Q:

What state has the most earthquakes?

A:

Quick Answer

The U.S. Geological Survey reports that, as of 2014, Alaska accounts for about half of all earthquakes registered in the United States. The USGS also indicates that many smaller magnitude earthquakes go unreported in the state. California has the second-most reported earthquakes among U.S. states.

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Full Answer

Hawaii is the third-most prominent earthquake state and Nevada is fourth. However, the USGS site reports that these states are in a virtual dead heat on the number of quakes with a 5.0 or greater magnitude. Other states listed in the top 10 include Washington, Idaho, Wyoming, Montana, Utah and Oregon. The rankings include any quakes reported in any region within a state.

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Related Questions

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    What causes earthquakes?

    A:

    The surface of the earth is called the crust, and it is made up of plates, called tectonic plates, that move. Earthquakes happen when these plates bump, scrape or drag against each other.

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  • Q:

    When do earthquakes occur?

    A:

    Earthquakes are usually triggered when rock located beneath the ground, on top of fault lines, breaks and suddenly releases a significant amount of energy. The immediate and rapid release of energy caused by earthquakes generates seismic waves, which cause shaking motions that start below the Earth’s surface and spread across large distances.

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    How do earthquakes form?

    A:

    Earthquakes are formed by a sudden, violent underground movement of the Earth's crust. These natural phenomena typically occur along a fault line or fault plane, which is a geological region of compressed rocks dividing crustal plates.

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  • Q:

    Where do most earthquakes happen?

    A:

    Most earthquakes happen along the boundaries of the tectonic plates that make up the Earth's crust, though earthquakes can happen anywhere on the planet. Earthquakes are also common along faults, which are deep fissures under great pressure within a plate or along multiple plates.

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