USGS News
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In only 30 years, great glaciers have retreated and a lake that was once the world’s fourth largest has all but dried up. For the first time ever, the human impact on the face of earth as seen from space is on full view, and it is not a pretty picture.
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Geophysical activities occur as a magnitude-6.8 earthquake strikes northern Myanmar, a magnitude 7.4 earthquake killed about 39 in Guatemala, a magnitude 6.3 earthquake struck near Vancouver Island, and a magnitude 5.8 earthquake struck in Indonesia.
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Geophysical activities portend greater earthquakes. Recently an eastern Indonesian earthquake struck with the power of a 6.3-magnitude, a 6.0-magnitude earthquake struck off northwest Mexico coast, and 'silent earthquakes' ripple under Cascadia.
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A strong earthquake measuring 7.6 on the Richter scale shook Costa Rican territory this morning at about 08:42 local time. No reports are yet known about casualties or the level of damage.
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Manila -
A tsunami warning is in effect following a a 7.9-magnitude earthquake that struck the Philippines on Friday. The tsunami warning was issued for nations in the nearest vicinity, including Japan, Indonesia and Taiwan.
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At 0819 hours this morning an earthquake struck California near Salinas. The area has several fault lines nearby and is on the edge of a tectonic plate.
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Cartago -
The U.S. Geological Survey measured the quake at magnitude 5.8 in the Richter scale, placing the epicenter 81 kilometers south of San Jose in the Pacific Ocean.
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The practice of fracking to make gas and oil wells productive is being put on hold in Ohio after a 4.0 earthquake struck the area near Youngstown on Saturday.
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Lae -
Yesterday it was Bali at the center of an earthquake, and today an earthquake has struck Papua New Guinea. Details are still sketchy.
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Talca -
Intense seismic activity has been reported in the South American nation of Chile. A 6.6-magnitude earthquake was recorded near Talca. No significant injuries, deaths or damages have been reported.
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USGS Image
NASA/USGS/Google
A healthy Columbia Glacier in Alaska in 1984.
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USGS Blogs
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The U.S. Geological Survey plans to award a contract for Iridium-made GPS location collars the agency intends to outfit...
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