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Environment Jul 5, 2023

Hundreds of quakes in Iceland spur volcano warning

Some 2,200 earthquakes have been recorded in the area around Iceland's capital Reykjavik the past 24 hours, signaling that a volcanic eruption could be imminent, the country's weather office said Wednesday.

Earth Sciences Jun 28, 2023

Researchers categorize foreshocks for large earthquakes

Seismologists agree that foreshocks are the most widely identified signal of an upcoming mainshock earthquake. But do these foreshock sequences have distinctive characteristics that separate them from aftershock sequences, ...

Earth Sciences Jun 26, 2023

Seismological analysis of the two earthquakes that devastated southern Turkey

On February 6, 2023, two major earthquakes with moment magnitudes of 7.9 and 7.6 occurred in southeastern Türkiye, near the Syria-Türkiye border. The two major earthquakes were close in time and space and can be considered ...

Earth Sciences Jun 22, 2023

Q&A: How can the Chignik, Alaska, earthquake help predict future risk?

Earthquakes are caused by the movement of the tectonic plates that make up Earth's crust. Off the coast of Alaska, the Pacific plate thrusts underneath the North American plate creating enormous pressure at the Alaska-Aleutian ...

Earth Sciences Jun 21, 2023

How earthquakes impact hospitals: Insights from the 2023 Turkey earthquake sequences

On the morning of February 6, 2023, a very strong earthquake with a magnitude of 7.8 hit an area in south central Turkey and northwestern Syria. About nine hours later, another powerful earthquake measuring 7.5 struck a nearby ...

Earth Sciences Jun 13, 2023

Why hasn't LA seen a big San Andreas quake recently? Researchers find a clue

It's a riddle that has both blessed California and still raises worries for the future: Why hasn't L.A. seen a big San Andreas earthquake in generations? And what does that mean when it does come?

Earth Sciences Jun 9, 2023

Campi Flegrei volcano edges closer to possible eruption

The Campi Flegrei volcano in southern Italy has become weaker and more prone to rupturing, making an eruption more likely, according to a new study by researchers at UCL (University College London) and Italy's National Research ...

Earth Sciences Jun 8, 2023

Why earthquakes happen more frequently in Britain than Ireland

Researchers from the University of Cambridge and the Dublin Institute for Advanced Studies have discovered that variations in the thickness of tectonic plates relate directly to the distribution of earthquakes in Britain, ...

Earth Sciences May 30, 2023

Could the rush for lithium near California's Salton Sea trigger earthquakes?

Just after midnight on April 30, residents near the Salton Sea in Southern California were jolted awake by a magnitude 4.3 earthquake. Dozens of people told the U.S. Geological Survey that they felt the shaking, with a couple ...

Earth Sciences May 23, 2023

How the February 2023 Türkiye earthquakes ruptured and produced damaging shaking

Three studies now published in The Seismic Record (TSR) offer an initial look at the February 6, 2023 earthquakes in south-central Türkiye and northwestern Syria, including how, where, and how fast the earthquakes ruptured ...

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