Earthquakes

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The U.S. Geological Survey has the most extensive seismic monitoring and response system in the Nation. The USGS works with numerous universities to advance our understanding of the cause and effects of earthquakes and with emergency response agencies in the interest of public safety and hazards mitigation.

Today in Earthquake History

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April 27, 1933
M 6.9, Alaska – Local time: April 26. Houses were shaken from their foundations at Old Tyonek, west of Anchorage across Cook Inlet. Plate-glass windows were… Read More

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