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A cartoon showing how anomalous earthquakes near the San Andreas and San Jacinto faults in southern California work in regions deep below the Earth's surface.

Geoscientists find unexpected ‘deep creep’ near San Andreas, San Jacinto faults

injection operation

Injection wells can induce earthquakes miles away from the well

The Mount Rinjani crater in Lombok, Indonesia.

Lombok quakes not necessarily leading to a big bang

Location of survey site at rupture across a road near Castelluccio, Italy. The rupture occurred during the third earthquake in the seismic sequence and gives researchers a record of the deformation.

Research into deadly 2016 Italian earthquakes could improve future seismic forecasts

Earth

New understanding of deep earthquakes

Earthquake mangled track

Earthquakes can systematically trigger other ones on opposite side of Earth

Distribution of 382 seismic stations used in this study.

Upper and lower plate controls on the 2011 Tohoku-oki earthquake

Jessica Irving sits with two meteorites Princeton seismologist Jessica Irving

Seismologists use massive earthquakes to unlock secrets of the outer core

San Andreas Fault

‘Slow earthquakes’ on San Andreas Fault increase risk of large quakes

International collaboration studies the predictability of earthquakes

Lakes in the roadless Minto Flats surround the Tanana River in this photo from July 2014.

Scientists find pre-earthquake activity in central Alaska

Historical records help uncover new mechanism in deadly 1906 Taiwan quake

Aerial photograph of Istanbul. The entire metropolitan area is considered to be particularly earthquake-prone

Small earthquakes caused by migrating gasses in the underground

The Nazca Plate is creeping under the South American Plate.

Water pressure a critical factor for mega-earthquakes

A recent study led by UMass Amherst looked at risk in southeast Japan after the devastating 2011 quake and tsunami.

Modeling future earthquake and tsunami risk in southeast Japan

Seismogram

Sediment core from sluice pond contains evidence for 1755 New England...

The Stanton Landslide (center middle distance) is over 800 meters across and has left an obvious scar in the hillside above the deposit.

Landslide modeling after Kaikoura Quake provides data to first responders

A map summarizing the new REEF measure of seismic energy for events around the Pacific Ring of Fire shows the regional patterns indicating earthquake rupture character is affected by persistent features that differ from region to region.

Seismologists introduce new measure of earthquake ruptures

Garnet.

The secrets of garnet reveal source of water to fuel powerful...

Map shows earthquake epicenters (surrounded in light red) offshore where the Cocos and North American tectonic plates meet. The newer fault zone is inland, the black lines mark the changing trajectories of abyssal hills atop the descending Cocos Plate. Blue-shaded areas in this zone are where subduction angles remain steep. The pink area, below Mexico City, is a transition zone where another earthquake could occur. The 2017, 1999 and 1980 quake epicenters are in a red-shaded zone to the southeast that is considered to be at most risk for quakes.

Mexico’s 2017 earthquake emerged from a growing risk zone

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