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en.wikipedia.org/wiki/Earthquake

An earthquake is the shaking of the surface of the Earth, resulting from the sudden release of energy in the Earth's lithosphere that creates seismic waves. Earthquakes can range in size from those that are so weak that they cannot be felt to those violent enough to toss people around and destroy whole cities. The seismicity ...

earthquake.usgs.gov/earthquakes/map

Didn't find what you were looking for? Check your Settings. Which earthquakes are included on the map and list? Felt something not shown – report it here. +-. Zoom to... Alaska, California, Central U.S., Hawaii, Puerto Rico, U.S., World. 500 km. 500 mi ...

earthquake.usgs.gov/earthquakes

Latest Earthquakes. map of latest earthquakes. Latest earthquakes map and list. Tap/click on "gear icon" for options and settings. Earthquake Lists, Maps and Statistics. screenshot of EQ search form. Largest earthquakes, significant events, lists and maps by magnitude, by year, or by location. Search Earthquake Catalog.

earthquaketrack.com/us-va-ashburn/recent

Epicenters and Locations of the Latest Quakes Near Ashburn, Virginia, United States.

earthquaketrack.com/us-va-leesburg/recent

Epicenters and Locations of the Latest Quakes Near Leesburg, Virginia, United States.

earthquaketrack.com/p/united-states/virginia/recent

Virginia, United States has had: (M1.5 or greater). 1 earthquake in the past 24 hours; 1 earthquake in the past 7 days; 1 earthquake in the past 30 days; 21 earthquakes in the past 365 days ...

twitter.com/hashtag/earthquake

On Feb 20 @SFGate tweeted: "#Earthquake Swarm: Did you feel the 4 re.." - read what others are saying and join the conversation.

patch.com/virginia/ashburn/30-earthquake-recorded-loudoun-county-0

Jan 18, 2016 ... Ashburn, VA - A minor earthquake occurred northwest of Leesburg near the West Virginia state line on Jan. 17.

www.ready.gov/earthquakes

An earthquake is the sudden, rapid shaking of the earth, caused by the breaking and shifting of subterranean rock as it releases strain that has accumulated over a long time. Initial mild shaking may strengthen and become extremely violent within seconds. Additional earthquakes, called aftershocks, may follow the initial  ...