I don’t want to spend a lot, well actually I wouldn’t really want to spend anything since its only a minor assignment but I really want to know how I can make a richter scale or even a seismograph. Thank you (:
How are Richter numbers determined for earthquakes that occurred prior to that time?
Dec 06, 2009 in
Earthquake Questions
The Richter scale was developed in the 1930′s.
What are some recent earthquakes with a magnetude greater than 5.0?
Nov 20, 2009 in
Earthquake Questions
I am doing a project fo science. I have to find 10 recent earthquakes with a magnitude greater than5.0 on the Richter scale. Then I have to compile my fidings in a table that includes the epicenter and the magnitude of the quake, the damage it caused, and any other interesting information about the quake. Please help me find earthquakes and a place to make a table.
How is the Richter scale used?
Nov 16, 2009 in
Earthquake Questions
I need help:
Explain how the Richter scale is used and then tell what the disadvantage is to using this scale.
I don’t have any books to find this information and nothing else.
I had been a little skeptical about that until the late 1980′s. I live in the midwest where we have some quakes, the New Madrid Fault. I lived next to a house where there was a dog and I had an 8 week old puppy.
3 minutes or so before the 4.5 or so quake, the other dog, a hound, started to howl, and I thought it was sick (it was old) and my puppy literally jumped up in my arms. I thought she was reacting to the other dog’s howling. Just then I felt something and heard a roar, like a loud engine or something, but did not really realize it was a quake at first. I went inside a minute later and my Mom said, "Did you feel the earthquake"? A minute later radio and tv were talking about the quake. This was in St. Louis in 1987 or 1988. It was probably less than a 5 on the Richter scale. But the dogs reacted a full minute-3 minutes ahead of time.
I have a math project where we have to present an application of logarithms in real life. I chose the richter scale and I still don’t quite understand, even after reading the explanations, I need an example. Please help me understand or refer me to an example. Thanks.
Why is it possible to have a negative magnitude on the Richter Scale?
Nov 04, 2009 in
Earthquake Questions
Why is it possible taht you can get a NEGATIVE magnitude on the Richter Scale?
And can this be justified mathematically? If so, how?
I just need help with mistakes and the like.
My phobia, the thing that terrifies me the most, is earthquakes. The millions of people that live in California, let alone on the West Coast, fearing earthquakes may not seem so irrational. Earthquakes have happened. Earthquakes have killed. Earthquakes will happen. So why the use of the word “phobia” if my fears have valid reasons behind them? It is not whether or not my fears are sound or not, but rather my reaction to the earthquakes. All my problems started with one event, problems the likes of which still plague me to this day.
In 1994, an earthquake rocked most of Southern California. The earthquake and the damage it caused could be felt for miles from the epicenter in the San Fernando Valley, and clocked in at a whopping 6.7 on the Richter scale. I was only three at the time, but I can still remember that day vividly. I woke up to my uncle, who had been staying with us at the time, yelling at me. My bed was halfway across the room from where it had been when I had fallen asleep. My parents got to me just seconds after my uncle with my mom screaming for me and running after my dad. It was chaos as we tried to get out of the house. Glasses, plates, pictures, all seeming to fall on to of us, falling from their respective shelves and shattering on the floor. It was no wonder that no one had noticed my dad’s foot had started bleeding profusely until we were safely outside. For weeks after that day, I had nightmares and would often und up in my parents’ bed.
Nightmares weren’t the only thing that has resolved from that night. Since then, anytime there have been earthquakes or aftershocks or anything that even feels like an earthquake, I freak out. Immediately, I start to feel weak and shaky. I become fidgety for the rest of the day, and there is nothing I can do to calm down. There is nothing else that can terrify me so, and, in fact, as the years go by, it seems as though my fears have increased rather than be assuaged by time. The interesting thing about my reaction is the fact that I only seem to get these “symptoms,” for lack of a better word, when the earthquakes occur and after the entire ordeal. In between, in every other crisis or danger I have faced, I remain calm, cool, and collected. Only in the face of an earthquake do I freak out.
Most people get over their fears when they exist because of natural disasters. The people may still have an aversion to the things that remind them of the event that they have lived through, however, they tend to become used to the dangers that go with living in the region. And then there’s me. I still have my fear of any and all earthquakes, no matter how small. My sister accidentally bumping my bed while in my room for some reasons or my dogs jumping on my bed have me waking up, already on high alert. Every time I get worked up, I assure myself that everything is fine, that I am overreacting, and that I won’t act in such a manner the next time. Every time I get worked up, I forget the promise I made last time. In fact, over time, my fear seems to increase despite my effort to rein it in just slightly. Albeit, this has occurred over many years, and only slightly at that. While many other phobias interfere with people’s lives, mine has yet to do so. As such, I have little reason to for fully getting over my fear. Yes, I flip out when I believe there to be earthquakes, but it only occurs every so often, and I have yet to be incapacitated by it. I have only really freaked out at home, anyways. Nothing too embarrassing … yet.
Regardless of whether or not I have been embarrassed by my fear, the fact of the matter remains. An earthquake in 1994 scared me so thoroughly that I can still feel its repercussions, but not so much so that I have felt the need to get professional help. Perhaps, one day, in the near future, preferably before the next earthquake takes place, I will move to someplace else (Europe, maybe) where another phobia will replace my current fear of earthquakes.
I know one of the reasons is because they are higher up on the Richter scale. Thanx!
“The frequency of major earthquakes has increased about 20 times?
Oct 26, 2009 in
Earthquake Questions
what it was on an average during the two thousand years before 1914." Survival into a New Earth…
Luke 21:11 uses the phrase "and there will be great earthquakes,…"
Jesus did not detail what constitutes a great earthquake. He simply stated that there will be great earthquakes and these will be in one place after another.
Seismology is a new science with the first seismograph invented in 1880. For this reason accurate records of earthquakes measuring 7.5 on the Richter scale have only become possible since then. Accurate and complete seismological records are now readily obtainable. http://neic.usgs.gov/neis/eqlists/eqstats.html (July 2005) provided a list of earthquakes for this period resulting in over 1000 deaths. From 1902 to 2001
Where is your proof to dispute this?
The U.S. Geological Survey estimates that large earthquakes occur about once a year. Smaller earthquakes, only magnitude 2 earthquakes, occur several hundred times a day www.encyclopedia.com stated 1 January 2005
If an earthquake measured 5.9 on the Richter scale, what was the intensity of the earthquake?
Oct 23, 2009 in
Earthquake Questions
If an earthquake measured 5.9 on the Richter scale, what was the intensity of the earthquake?
Use the formula M= log (A / A(base o).
Richter scale?
Oct 11, 2009 in
Earthquake Questions
If Earthquake 1 measures 6.2 on the Richter scale, and Earthquake 2 measures 8.2 on the Richter scale, how many times bigger was Earthquake 2 than Earthquake 1? (Rephrased: By what factor was Earthquake 2 bigger than Earthquake 1?)
how low does the Richter scale go?
Oct 06, 2009 in
Earthquake Questions
im doing a project and cant seem to find how low the richter scale gos.i know the max is 10+ but whats the smallest earthquake.
In 1970, an earthquake in Peru had a magnitude of 7.0 on the Richter scale. Thirty years later, an earthquake in Papa Guinea was reported to have a magnitude of 8.0. What is the magnitude of an earthquake that is one -half as intense as Papa Guinea’s earthquake?
Show your work, please
Earthquakes any information?
Sep 24, 2009 in
Earthquake Questions
Ok so can anybody give me some information on earthquakes? I’m studying abroad this year in Italy around 40 miles from where the big earthquake was the other day. Anyway what I’m wondering is if anybody knows if it’s normal that keep having big shakes. Some are being classes as aftershocks obviously but we’ve had 3 more above 5.0 on the Richter scale, with the last being only around 20mins ago. Is this normal? And if so and it is just the settling of the ground how long can we expect major shakes for? I’m really scared! these apartment blocks swaying like they are all the time is really frightening, I can’t sleep and I live on the 5th floor so it feels really dangerous up here. I’ve just found out that the last quake measured 5.7 on the Richter scale and like i say this was only a short while ago, what can I do to make myself feel better?!
If you want to look at these links you may be able to tell me more about if it’s really abnormal or not, I know the news here has been calling the situation an anomaly?
If it helps this link shows all the recent quakes apart from the last
http://www.earthquake.it/ultimi-terremoti.php
and this shows the biggest ones, including the last one
http://earthquake.usgs.gov/eqcenter/recenteqsww/Maps/region/Europe.php
Thanks the geologist that’s helpful. Well as I live on the 5th floor I’m not thinking about exit strategies because I heard you shouldn’t go into the internal stairwell. This may sound stupid but I thought I may put a mattress on top of my bathtub with a couple of bottles of water etc inside then if I feel another one get in under the mattress. Is this a really stupid idea or not?
What Each step on the Richter Scale is________ times greater than the one beforewould you like to ask?
Sep 24, 2009 in
Earthquake Questions
Each step on the Richter Scale is________ times greater than the one before
2x
5x
10x
100x
Will there be bigger earthquakes days before the sun aligns with the center of the galaxy?
Sep 20, 2009 in
Earthquake Questions
Along with the gravitational influence from both Saturn and Jupiter; could there be pretty bad (like 7.0 and up on the Richter scale) earthquakes days or even months before 12/21/12? Doing some research for a fictional book of mine and I want to keep it as realistic as possible.
Thanks!
Also, please don’t tell me that nothing is going to happen on 12/21/2012. I want more of the scientific views please.
Are tokyo’s buildings earthquake resistant?
Sep 18, 2009 in
Earthquake Questions
Are tokyo’s buildings earthquake resistant?
And if so, how much? Like, would they be able to withstand a earthquake with a 6.0+ Magnitude on the richter scale?
In 1970, an earthquake in Peru had a magnitude of 7.0 on the Richter scale. Thirty years later, an earthquake in Papa Guinea was reported to have a magnitude of 8.0. What is the magnitude of an earthquake that is one -half as intense as Papa Guinea’s earthquake?
Show your work, please
have you had your caffeine hit
Sep 10, 2009 in
Earthquake Questions
You know you are addicted to coffee if …
You grind your coffee beans in your mouth.
You sleep with your eyes open.
You have to watch videos in fast-forward.
The only time you’re standing still is during an earthquake.
You can take a picture of yourself from ten feet away without using the timer.
You’ve worn out your third pair of tennis shoes this week.
Your eyes stay open when you sneeze.
You chew on other people’s fingernails.
The nurse needs a scientific calculator to take your pulse.
You’re so jittery that people use your hands to blend their margaritas.
You can type sixty words per minute with your feet.
You can jump-start your car without cables.
You don’t sweat, you percolate.
You walk twenty miles on your treadmill before you realize it’s not plugged in.
You forget to unwrap candy bars before eating them.
You’ve built a miniature city out of little plastic stirrers.
People get dizzy just watching you.
Instant coffee takes too long.
You channel surf faster without a remote.
You have a picture of your coffee mug on your coffee mug.
You can outlast the Energizer bunny.
You short out motion detectors.
You don’t even wait for the water to boil anymore.
Your nervous twitch registers on the Richter scale.
You help your dog chase its tail.
You soak your dentures in coffee overnight.
Your first-aid kit contains two pints of coffee with an I.V. hookup.
You ski uphill.
You get a speeding ticket even when you’re parked.
You answer the door before people knock.
You haven’t blinked since the last lunar eclipse.
One day Billy Bob was living a normal life in his home in New York City, New York. It was a white house in urban New York City. He had just come home from work and was looking forward to a quiet evening. His work was being a construction worker building houses for people. He was watching Sports Center when suddenly he felt the ground shake. He didn’t think it was anything because earthquakes did not happen in New York City. He knew that there were no fault lines to cause earthquakes in New York City. Then the shaking became more violent. Then things were falling over in his house. He went outside and looked at everything outside falling down. He quickly went into his crawlspace and waited until the earthquake was over. The earthquake went on for three hours. When he went outside to check on what happened he found everything to be toppled over, except for his house. His house was just recently all by himself built so that was probably why his house was the only building standing because he was a good construction builder..
He watched the channel 5 news and found out that approximately 292 buildings had been destroyed. The earthquake was a 4.5 magnitude on the Richter scale. It was not a big earthquake. He then began helping rebuild the city because he was a construction worker who built houses. He knew that it would take about a half a year to rebuild all of the damage that was caused by the earthquake. Something that nobody could figure out was why the earthquake happened. There were no fault lines near New York to cause the earthquake. The place earthquakes would make sense would be California because the San Andreas Fault is there. How could an earthquake occur without any fault lines for the earthquake to occur? That’s what all of the meteorologist were wondering after the earthquake happened. The city was rebuilt in about 66 months.
About 2 weeks after the city was rebuilt Billy Bob was outside building a house in Junee. He was building a very large house in a very large neighborhood. He saw on the weather that it was about 83 degrees Fahrenheit. The temperature with the humidity was unbearable. After he was done he went home. When he was about to go inside he noticed that it felt a lot colder. Then the temperature was rapidly dropping. He looked at the barometer in his house and it said it was 21 degrees Fahrenheit. He quickly shut all of the doors and windows so no cold air would come into the house. On the news it said that everywhere in the US the weather was rapidly dropping. None of the meteorologists could figure out why the weather was dropping so rapidly or why it was dropping at all. He went to bed a few hours later. The next day when he looked what the temperature was, he found out that it was negative 150 degrees Fahrenheit. He made sure to stay inside and keep the heat up as high as possible so he would not freeze to death inside his home. Nobody could figure out why the weather was so cold. But then about a week later the weather was back in the 80’s. All of the meteorologists were wondering why the weather was so messed up.
The weather stayed the same for the next 5 months. Everyone in New York and the US was getting back to their normal lives. But then the meteorologists were predicting bad storms. They were predicting an extremely bad thunderstorm. Everyone started to rush into stores and get supplies for when they were going to leave New York City before worse storms happen. A lot of things get broken and stolen in stores. People also fight to get supplies and a lot of people get injured in the stores. It was like the store had been destroyed because of all of the damage to everything inside the stores. Fortunately Billy Bob gotets out of New York and into Chicago. But other people weren’t so lucky. About half of the people in New York City escaped New York. The streets were empty because of the people that left. About 5 days after some people left he got into Chicago he heard on the news it said that a much larger earthquake had just happened in New York. It was estimated that 3,500 buildings were destroyed in the massive earthquake. The magnitude of this earthquake was 10.0. It was the biggest earthquake ever recorded. They showed pictures of how New York City looked like. It was just destroyedin ruins because of how big the earthquake that happened was. There is also a fire still going on in New York City that doesn’t look like it will stop soon. Then as the meteorologists predicted an extremely bad thunderstorm started and there was even more damage to everything. New York City was in ruins. And if that wasn’t enough there are tidal waves crashing into New York City from the side of New York City adding to all of the damage that had already happened..it.
Billy Bob decided that he would stay in Chicago until he is absolutely sure the storms have ended. But he wasn’t sure that the storms would end. The fire and the tidal waves and the thunderstorm lasted for about 3 days
The fault was a normal fault formed by the crust being pulled apart, due to the pull of a divergent plate boundary. The cold weather happened when global warming causes large areas of the Greenland and Iceland ice shelves to break off and melt, diluting the Atlantic Ocean with large amounts of fresh water. This slows the Gulf Stream causing a rapid cooling of the Northern Hemisphere. Since plates are always moving they rub against each other in some places sink beneath each other in others, or spread apart from each other (like the Mid-Atlantic Ridge).
After all of that New York City looked like a warzone from all of the damage. Billy Bob hopeds that the storms have ended for good because he is tired of all of the stress of the storms. Billy Bob knows that he will probably not move into New York again because New York City is dilapidated. After about a year of staying in Chicago he was convinced that the storms had caused too much damagestopped for good and went back to New York Citydecided he would never go back to New York City. None of the buildings were still standing
The city was in ruins. It would probably take years and years to rebuild back to what it used to be before the storms. Billy Bob found a job as a construction worker who built houses in Chicago.. He decided to just go back to Chicago and live there for the rest of his life because it would be impossible to live with everything in ruins. In the end meteorologists figured out that the earthquakes happened because of a fault line they found running through New York. The reason nobody knew about the fault was because that it just formed about 5 years ago and just now started to have an earthquake there.
At such places the motion isn’t smooth–the plates are stuck together at the edges but the rest of each plate is continuing to move, so the rocks along the edges are distorted. As the motion continues, the strain builds up to the point where the rock cannot withstand any more bending. With a lurch, the rock breaks and the two sides move. An earthquake is the shaking that radiates out from the breaking rock. Billy Bob went on to live the rest of his life in peaceiece in Chicago where he lived for the rest of this life.
Dear sirs. I know that the energy released for each Richter scale is 32 times heigher. But what persentage increase will be there for each point of Richter scale. That is say for 6.1, 6.2,6.3 —-6.9. I have the energy release in TNT equivalent for only whole numbers.
Help???!!??!!???!???!???!?!???!?!?!?
Sep 05, 2009 in
Earthquake Questions
i need a little help with this…how can you demonstrate measuring earthquakes with a picture??? internet picture or description please!!
first answer if good is best answer
the mercalli scale,richter scale
If an earthquake measured 5.9 on the Richter scale, what was the intensity of the earthquake?
Aug 31, 2009 in
Earthquake Questions
If an earthquake measured 5.9 on the Richter scale, what was the intensity of the earthquake?
Use the formula M= log (A / A(base o).
How many times stronger is a 7.2 earthquake compared to a 4.3 earthquake on the richter scale?
Aug 25, 2009 in
Earthquake Questions
I need to know how to work this question out. I think the richter scale works a base of 10 but that is all I know of this type of problem. If anyone can help, I’d really appreciate it.
Question about mistpouffers, Guns of the Seneca, earthquake booms?
Aug 20, 2009 in
Earthquake Questions
I live in South Central Pennsylvania, a place where earthquakes are definitely uncommon. In the past 2 or 3 weeks, my town has experienced a number of small tremors (no more than 2 or 3 on the Richter scale). Some people have actually felt these tremors, but many more have heard these "occult bangs," as our local paper put it. The most recent one sounded to me like a very low, very large jet about to hit our house; the sound didn’t build up and then fade away as usual when a jet flies over (even military jets). It was just a very sudden loud noise that lasted a few seconds and then suddenly stopped. This was about 4:30 AM, so low-flying jets aren’t common then anyway. Apparently some people have heard these noises without any tremors having been measured by the USGS.
My question is, what exactly are these earthquake booms? What causes them? Do they mean that we *may*have a larger quake in the future?
The gas companies have already checked the natural gas lines in the area, and the emergency crews have checked into whether there was any kind of blasting in the area during these times. All checks out okay. 
There are two scales that measure an earthquake. They are called the Richter Scale and the Mercalli Scale. The Mercalli scale measures the amount of damage whereas the Richter Scale measures the amount of energy released from an earthqueake. A Mercalli Scale goes somewhat like this
1 – Detected only by instruments
2 – Slight vibrations, hardly noticed
3 – Slight vibrations, noticed by people not moving
4 – Moderate, felt by people moving about
5 – Quite strong, loose objects fall over
6 – Strong, slight damage to buildings
7 – Very strong, walls crack,
8 – Destructive, chimneys fall
9 – Ruinous, buildings collapse
10 – Disastrous, many buildings destroyed
11 – Very disastrous, few buildings left standing
12 – Catastrophic, total destruction
If anyone can give me the Richter Scale measurements I would be infinitely indebted. I don’t know how to ive extra points for an answer, but if you tell me, I can give you, provided the answer is what I need. Thank you.
How is richter scale, Ph, chemistry asid, decibel’s and a slide rule are similar and different?
Aug 14, 2009 in
Earthquake Questions
How is richter scale, Ph, chemistry asid, decibel’s and a slide rule are similar and different?
I have to write it one one of my projects and i dont know how to explain that question. DO YOU?
I need to know what the 5 biggest earthquakes ever recorded are and what they got on the Richter Scale.
10 Points to best answer!!!
Does anyone know how to find the magnitude if you are given the richter scale?
Aug 09, 2009 in
Earthquake Questions
There was an earthquake in North Bay that measured 5.0 on the Richter scale. What is the magnitude of an earthquake 3 times as intense as the earthquake that occurred in North Bay? Use logarithms to solve this please!