EARTHQUAKES

7.7 magnitude earthquake causes small tsunami on South Pacific islands

A 7.7 magnitude earthquake caused a small tsunami to wash ashore on South Pacific islands Friday. No damage has been reported, and the threat...

Japan earthquake of magnitude 6.5 injures some, damages buildings

An earthquake with a magnitude of 6.5 struck on Friday off Japan's western prefecture of Ishikawa, authorities said, as media reported some buildings had...

Rougher faults may generate more earthquake aftershocks

When an earthquake hits, it is rarely an isolated event. Foreshocks precede quakes, and aftershocks follow them. To quantify seismic hazards, scientists must disentangle...

Santorini is located in a volcanic zone, geologists warn of another eruption

The beauty of the Greek island of Santorini is actually the result of the area's violent volcanic history and was created by one of...

Magnitude 7.1 quake hits remote Pacific, no tsunami threat

A magnitude 7.1 quake struck in a remote part of the Pacific Ocean on Monday but did not appear to generate a tsunami. The quake...

Separating mining explosions from earthquakes in South Korea

South Korea is a relatively quiet country, seismically speaking, but a recent study identified more than 182,000 small seismic events—135,000 of which were related...

Turkey’s next quake: Research shows where, how bad—but not ‘when’

Researchers know a lot about Turkey's next major earthquake. They can pinpoint the probable epicenter, estimate its strength and see the spatial footprint of...

Pre-Columbian tsunami deposit revealed in a core taken in mangrove pond at East Bajura, Puerto Rico. Credit: Bruce Jaffe

Tsunami deposits identified in a coastal mangrove pond in Northwest Puerto Rico could have come from a megathrust earthquake at the Puerto Rico Trench...

Ridgecrest faults increasingly sensitive to solid Earth tides before earthquakes

Faults in the Ridgecrest, California area were very sensitive to solid earth tidal stresses in the year and a half before the July 2019...

New report highlights economic earthquake risk in the United States

Earthquakes cost the nation an estimated $14.7 billion annually in building damage and associated losses according to a new report released jointly today by...

Geotechnical expert says one in four international tailings dam failures are due to earthquakes

Did you know the U.S. National Earthquake Information Center logs the measurements of 20,000 earthquakes around the globe each year—approximately 55 a day? A concern...

Earthquake in Turkey was a doublet: First quake triggered second in neighboring fault

ETH Zurich researcher Luca Dal Zilio offers an insightful summary of the recent earthquakes in Turkey and Syria, shedding light on the complex nature...

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