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Great job with your page. Make sure you give descriptions of what you put on your page and it relates to why earthquakes are formed. 

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Great job with your page. Make sure you give descriptions of what you put on your page and it relates to why earthquakes are formed. 

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6th grade students at Mariners Christian School, Jesse and John, teach us about Earthquakes and how to be prepared for an earthquake.

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Where do most earthquakes occur in the US?

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Where do most earthquakes occur in the US?

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Earthquakes occur a lot in places like California and Alaska.

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Richter scale

a scale for 1 to 10, measuring the intensity of an earthquake

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aftershock

af-ter-shok

a small earthquake that happens after a big earthquake

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p wave

longitudinal earthquake wave that also travels inside the earth

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s wave

a transform earthquake wave that travels inside of earth (also called a secondary wave)

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transform boundary

fault that offsets a mid-ocean ridge in opposite directions

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focus

foh-kuh s

the origin of an earthquake

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this is a nice page. keep up the good work. 

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this is a nice page. keep up the good work. 

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epicenter

ep-uh-sen-ter

the point above the center of disturbance where the shock waves of an earthquake radiate

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fault

fawlt/ noun

a break in a body of rock

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Plate tectonics is the theory that the outer rigid layer of the earth (the lithosphere) is divided into a couple of dozen "plates" that move around across the earth's surface relative to each other, like

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1. Most earthquakes occur along the edge of the oceanic and continental plates. The earth'scrust (the outer layer of the planet) is made up of several pieces, called plates. The plates under the oceans are called oceanic plates and the rest are continental plates.

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Be Prepared for an Earthquake: Teach all family members when, where and how to shut off electricity, gas and water at main switches and valves.

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talks about earthquake & includes facts

the most recent earthquakes and a

whole lot more.

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Latest Earthquakes

Latest earthquakes map and list for U.S. and worldwide. Tap/click on "gear icon" for options and settings.
Interactive Map

Did You Feel It?

Did You Feel It? (DYFI) collects information from people who felt an earthquake and creates maps that show what people experienced and the extent of damage. If you felt an earthquake, let us know.
Tell Us!

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Latest earthquakes map and list for U.S. and worldwide. Tap/click on "gear icon" for options and settings. Interactive Map Did You Feel It? (DYFI) collects information from people who felt an earthquake and creates maps that show what people experienced and the extent of damage. If you felt an earthquake, let us know.

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More information about Earthquakes

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Latest Earthquakes

A magnitude 7.2 earthquake struck southern Mexico on the evening of February 16, sending tremors through the Mexican state of Oaxaca and surrounding regions. The U.S. Geological Survey estimates that the damage will not be as severe as the earthquake that rocked Mexico City in September 2017.

About Earthquakes

Earthquakes, also called temblors, can be so tremendously destructive, it's hard to imagine they occur by the thousands every day around the world, usually in the form of small tremors. See the latest earthquakes and learn how to stay safe during these disastrous events.

Where Do Most Earthquakes Occur?

Some 80 percent of all the planet's earthquakes occur along the rim of the Pacific Ocean, called the "Ring of Fire" because of the preponderance of volcanic activity there as well. Most earthquakes occur at fault zones, where tectonic plates-giant rock slabs that make up the Earth's upper layer-collide or slide against each other.

These impacts are usually gradual and unnoticeable on the surface; however, immense stress can build up between plates. When this stress is released quickly, it sends massive vibrations, called seismic waves, often hundreds of miles through the rock and up to the surface. Other quakes can occur far from faults zones when plates are stretched or squeezed.

Earthquake Magnitude Ratings and Their Impacts

Scientists assign a magnitude rating to earthquakes based on the strength and duration of their seismic waves. A quake measuring 3 to 5 is considered minor or light; 5 to 7 is moderate to strong; 7 to 8 is major; and 8 or more is great.

On average, a magnitude 8 quake strikes somewhere every year and some 10,000 people die in earthquakes annually. Collapsing buildings claim by far the majority of lives, but the destruction is often compounded by mud slides, fires, floods, or tsunamis. Smaller temblors that usually occur in the days following a large earthquake can complicate rescue efforts and cause further death and destruction.

Loss of life can be avoided through emergency planning, education, and the construction of buildings that sway rather than break under the stress of an earthquake.

Warning: Some of the photos below contain graphic imagery.

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Learn Where Earthquakes Happen and How They're Rated

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Latest Earthquakes A magnitude 7.2 earthquake struck southern Mexico on the evening of February 16, sending tremors through the Mexican state of Oaxaca and surrounding regions. The U.S. Geological Survey estimates that the damage will not be as severe as the earthquake that rocked Mexico City in September 2017.

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earthquake

ˈərTHˌkwāk/nouna

sudden and violent shaking of the ground, sometimes causing great destruction, as a result of movements within the earth's crust or volcanic action.

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The most recent earthquake (as of 3/19/15)

was in the Puerto Rico region

The magnitude of the earthquake was 3.6