Earthquakes
Earthquakes information from USGS
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Upcoming HVO webcam changes
Several Hawaiian Volcano Observatory webcams will be decommissioned during the latter half of January 2024 due to deconstruction of Okamura Building as…
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Volcano Watch — Where is magma stored in Kīlauea?
Over the past several months, periods of increased earthquake activity and ground deformation in the summit region of Kīlauea volcano…
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Updated map of unrest at Kīlauea summit over the past month
Intermittent unrest continues at Kīlauea volcano, and a new map summarizes activity over the past month. Intermittent unrest continues at…
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Caldera or crater…what’s the difference?
Is a caldera a landform or a type of volcano? Turns out, it’s both. Which can be a little confusing.…
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Volcano Watch — Separating signals: What matters to seismologists?
Whether they originate above or below the Earth’s surface, a wide array of signals appear on the USGS Hawaiian Volcano…
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Restful or restless? How we recognize volcanic ‘unrest’
All’s quiet on the volcano front in California for the New Year. But what does it mean when we say…
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Coastal Communities on U.S. East Coast Face Growing Subsidence-Related Hazards
New research sheds light on the heightened vulnerability of coastal communities along the U.S. East Coast to a range of…
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New Year’s Day M7.5 Earthquake Shakes Japan’s West Coast
At 4:10 p.m. local time on January 1, 2024, the U.S. Geological Survey’s National Earthquake Information Center detected a magnitude…
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Where Ice Gave Way to Fire: New Study Sheds Light on British Columbia’s Deglacial Volcanoes
In a study conducted by the Geological Survey of Canada, USGS, and the University of Alberta, Edmonton, researchers analyzed seismic…
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Photo Roundup: November-December 2023
A selection of coastal and ocean videos and photographs from across the USGS. A selection of coastal and ocean videos…
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