Learn About Earthquakes - Latest Earthquakes Around the World

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An earthquake is a trembling or a shaking movement of the Earth's surface. Earthquakes typically result from the movement of faults, quasi-planar zones of deformation within its uppermost layers.

The word earthquake is also widely used to indicate the source region itself. The solid earth is in slow but constant motion (see plate tectonics) and earthquakes occur where the resulting stress exceeds the capacity of Earth materials to support


Top strongest Earthquakes
March 11, 2011: A magnitude 8.9 quake strikes off the northeast coast of Japan, sending a tsunami across the Pacific and killing a still-undetermined number of people.

December 2004: An Indian Ocean tsunami, triggered by a magnitude 9.0 earthquake, kills 230,000 in a dozen countries.

March 1964: A 9.2 magnitude earthquake in Prince William Sound, Alaska, and the resulting tsunami kill 131 people.

May 1960: A magnitude 9.5 earthquake in southern Chile and ensuing tsunami kill at least 1,716 people.

November 1952: A magnitude 9.0 quake in Kamchatka causes damage but no reported deaths despite setting off 30-foot (9.1-meter) waves in Hawaii.

M4.5+ earthquakes, past day


Earthshaking Science: What We Know (and Don't Know) about Earthquakes [Paperback]

Earthshaking Science: What We Know (and Don't Know) about Earthquakes [Paperback]
The USGS earthquake RSS feed contains the magnitude, location, date/time, and a link to the full USGS report for each event.


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People Clearing Debris After an Earthquake, Sherman Oaks, California, USA

Current Earthquake Information

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Great Earthquake Information

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M5+ earthquakes, past 7 days


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Damaged water pipe shoots water following earthquake off Japan's coast

Earthquake Kit and Home Preparation

Earthquakes can hit at anytime, so it's best to always be prepared.
Here's what you should have in your survival kit and what precautions
you need to take in your home.

One gallon of water per person for at least three days. Water
purification tablets can also be useful.
Enough non-perishable food for three days. Canned foods last the
longest, but be sure you have a can opener. Nutrition bars, beef jerky
and dried fruits are also good energy-providers.
Flashlight and portable radio with batteries. Keep spare batteries
on hand for easy replacement.
Cooking equipment, such as a barbecue or camping stove.
A first-aid kit and fire extinguisher.
Food and water for pets.
Blankets and extra clothing.
Toilet tissue, diapers and other personal hygiene products. Use a
heavy-duty plastic bag for disposal.

Tent and sleeping bag.
Tools. Wrenches, axes, hammers, crowbars and rope might come in
handy for tasks such as shutting off gas and water.

Home Preparation

Secure heavy wall hangings by anchoring them into studs, not just
the wall. Never put anything heavy over your bed.
Bookshelves should also be secured to walls, using L-shaped braces.
Small guardrails can be attached to prevent items from sliding off in
an earthquake. Try not to put the heaviest objects on the highest
shelves.
Put latches on cupboards and cabinets to keep them shut. Small
pieces of adhesives or putty can help keep collectibles in place.
Lights and hanging plants should be anchored into the ceiling's
wood beams, not just through plastic or panels.
Brace your free-standing water heater using steel plumber's tape.
Know where your gas meter and shut-off valve are. Have an
adjustable wrench handy for turning it off. You can also have an
automatic shut-off valve installed.
Check your home's foundation to see if the wood is secured to the
concrete. Older homes may need to be retrofitted.

Quality and Current Earthquake Websites

Global Earthquake Report
Current Quake Report

Earthquake News

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Cascadia's Fault: The Earthquake and Tsunami That Could Devastate North America

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