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U.S. Geological Survey Articles

Tsunami Warning After Indonesia Quake Cancelled

A magnitude 7.3 earthquake hit at 10:31 am Saturday morning, local time, off the coast of the Maluku Islands in eastern Indonesia, prompting the issue of a tsunami warning, which was later called off. The U.S. Geological Survey said the …

Chile Aftershock Registers Magnitude 7.6

The U.S. Geological Survey reports that a magnitude 7.6 aftershock rattled Chile’s northern coast late Wednesday night, triggering a tsunami warning for regions of that country and Peru. The significant tremor came after an April 1st magnitude 8.2 quake generated …

Chile Earthquake Evacuees Return Home

Citizens of the Chilean city of Iquique were permitted to return home Wednesday morning, after an April 1st magnitude 8.2 earthquake generated a tsunami which produced 6.9 foot waves. Similar sized waves were also reported in the coastal towns Pisagua …

6.8 Earthquake Hits Papua New Guinea

A 6.6 magnitude earthquake has hit Papua new Guinea. This is the second large earthquake to hit around the world in as many days. The U.S. Geological Survey, (USGS) is reporting that the 6.6 magnitude earthquake was centered 18 km …

Oahu Dissolving Into the Pacific, Shows Study
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Oahu, the third largest of the Hawaiian Islands and the home of Honolulu, is dissolving from the inside, shows a new study. Geologists state that the island’s Koolau and Waianae mountains will gradually be reduced to nothing, leaving Oahu a …

Gov’t Agency Turns To Twitter For Earthquake-Tracking

The fact that reports of earthquakes (or at least messages reading "EARTHQUAKE!!!") are quick to surface on Twitter is a key reason many people first recognized the site as useful.  Now, the U.S. Geological Survey has decided to have a closer look, unveiling the Twitter Earthquake Detector.

Google Delves Into Volcanoes, Earthquakes

The last post on the Official Google CPG Blog provides a “Back to School Recap.”  The Official Google Data APIs Blog informs readers about “Calendar Gadgets via Gdata.”  And that’s all fine and well.  But over at the Google LatLong Blog, they’re keeping us clear of lava flows.