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Washington Monument Earthquake Damage

September 27th, 2011 | Comments Off | Posted in Geology.com

A video and article on the CNN website detail some of the damages suffered by the Washington Monument during the August 23rd Virginia earthquake .

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Surprising Data from the Magnitude 9.0 Tohoku-Oki Earthquake

May 23rd, 2011 | Comments Off | Posted in Geology.com

Caltech researchers publish surprising information about the Magnitude 9.0 Tohoku-Oki Earthquake that occurred offshore of Sendai, Japan on March 11, 2011. No other great earthquake has more data from satellites, seismograph networks and tsunami monitoring stations.

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7.4 M Earthquake Offshore of Sendai, Japan

April 7th, 2011 | Comments Off | Posted in Geology.com

A 7.4 magnitude earthquake occurred offshore of Sendai, Japan at about 11:32 PM local time. A USGS calculated intensity map is shown below.

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M 6.8 Earthquake: Myanmar-Laos-Thailand Border

March 24th, 2011 | Comments Off | Posted in Geology.com

A magnitude 6.8 earthquake occurred on Thursday near the borders of Myanmar, Laos and Thailand at 8:25 PM local time.

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New Hampshire Earthquake Noise?

September 28th, 2010 | Comments Off | Posted in Geology.com

A magnitude 3.1 earthquake in New Hampshire on Saturday was accompanied by many residents there reporting a sound like a loud explosion. Related: What does an earthquake sound like?

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Mexico Earthquake Deformation: M7.2 April 4, 2010

June 28th, 2010 | Comments Off | Posted in Geology.com

“NASA has released the first-ever airborne radar images of the deformation in Earth’s surface caused the magnitude 7.2 temblor that rocked Mexico’s state of Baja California and parts of the American Southwest on April 4. The quake moved the Calexico, California region in a downward and southerly direction up to 80 centimeters.” Quoted from

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M5.7 Earthquake – Near El Centro, California

June 15th, 2010 | Comments Off | Posted in Geology.com

A Magnitude 5.7 earthquake occurred about 22 miles WSW of El Centro, California at about 9:26 PM local time on Monday, June 14. Modified Mercalli Intensity reports of V were repored from Campo, Jacumba, Calipatria, El Centro, Holtville and other communities

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M4.9 Earthquake – Southern California

June 13th, 2010 | Comments Off | Posted in Geology.com

A magnitude 4.9 earthquake occurred in the Borrego Springs area of Southern California at about 10:08 PM local time on Saturday evening, June 12. ================================= Although not applicable to this earthquake, USGS appears to have added a “Tsunami” tab to their earthquake details page. (see sample below)

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Earthquakes on the California – Mexico Border

May 23rd, 2010 | Comments Off | Posted in Geology.com

Over the past several weeks there have been hundreds of earthquakes along the California – Mexico border, many of them over 4.0 magnitude. Most of these earthquakes are aftershocks from the 7.2 magnitude earthquake that occurred on April 4th, 2010.

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California Earthquake Intensity Map

January 10th, 2010 | Comments Off | Posted in Geology.com

Thousands of people have logged into the USGS website to report how they experienced the M6.5 earthquake that occurred yesterday. The map below was cropped from a USGS intensity map based upon input from about 8000 people as of Sunday morning.

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