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Giant Meteor Impacts Might Have Triggered Early Earth’s Plate Tectonics

2 days ago

Plate tectonics have played a vital role in the geological evolution of our planet. In addition, many scientists…
The Monterey Accelerated Research System (MARS) cabled observatory, a node for science instruments on the ocean floor 891 meters (2,923 feet) below the surface of Monterey Bay, is connected to shore by a 52-kilometer (32-mile) undersea cable that carries data and power. About 20 kilometers of the cable was used to test photonic seismology on the seafloor. (Copyright MBARI, 2009 via UC Berkeley)
Underwater telecom cables make superb seismic network

6 days ago

Fiber-optic cables that constitute a global undersea telecommunications network could one day help scientists study offshore earthquakes and…
Image credit: Jorgen Christensen-Dalsgaard/UCSB
A Flash and a Shudder

October 30, 2019

New findings detail a method for investigating the inner workings of stars in a rare phase. In five…
GPS stations reveal activity beneath Cascadia where the oceanic floor slides beneath North America. The plate interface is locked at shallow depths (the shaded area), but we see recurring slow-slip events (in blue) that unzip the plate interface, generating tremors (the black dots). Image credit: Jean-Philippe Avouac/Caltech
Earthquakes in Slow Motion

October 25, 2019

A new study from Caltech finds that so-called “slow slip” or “silent” earthquakes behave more like regular earthquakes…
A seismic sensor. Image credit: iwona_kellie via Flickr, CC BY 2.0
Researcher Unveils a Plan for a Dense Seismological Survey of Los Angeles

October 24, 2019

Caltech’s Rob Clayton is preparing to launch a project to blanket the Los Angeles Basin with 25 seismic sensors per…
Caltech, NASA Find Web of Ruptures in Ridgecrest Quake

October 21, 2019

A new study of Southern California’s largest earthquake sequence in two decades provides new evidence that large earthquakes…
Lessons From Ridgecrest

October 21, 2019

The largest earthquake sequence in Southern California in two decades has taught scientists that large earthquakes can occur…
Researchers explain earthquakes we can’t feel

August 23, 2019

Researchers have explained mysterious slow-moving earthquakes known as slow slip events with the help of computer simulations. The…
Researchers solve ‘hot spot’ debate

August 5, 2019

Volcanic hot spots such as the ones that created the Hawaiian Islands have long been considered stationary points,…
Predicting seismic activity at fracking sites to prevent earthquakes

August 2, 2019

Scientists from the University of Bristol have found a more effective way to predict seismic activity at hydraulic…
Seismologists Monitor Ridgecrest Aftershocks Using Novel Fiber Optic Network

July 26, 2019

Seismologists from Caltech are using fiber optic cables to monitor and record the aftershocks from the 2019 Ridgecrest…
What Does a Marsquake Look Like?

July 23, 2019

Southern California got all shook up after a set of recent quakes. But Earth isn’t the only place…
A magnitude 7.8 earthquake struck the northeastern South Island of New Zealand on November 14, 2016. The Kaikōura earthquake was the most powerful experienced in the region in more than 150 years. Multi-fault earthquakes in this case ruptured to shake the ground and cause coastal uplift of several meters, shown here. Credit: Mike Locke via Flickr, CC BY-ND 2.0
Satellite observations improve earthquake monitoring, response

June 14, 2019

Researchers at the University of Iowa and the U.S. Geological Survey have found that data gathered from orbiting…
Supercomputing Dynamic Earthquake Rupture Models

June 5, 2019

Some of the world’s most powerful earthquakes involve multiple faults, and scientists are using supercomputers to better predict…
The Harvard University group is looking for yards located roughly inside the blue box. The photo shows the small seismic instruments that can be planted in grass. Image credit: Marine Denolle/Harvard University
Seismologists seek space on volunteers’ floors and lawns to study Seattle seismic risks

May 31, 2019

The Puget Sound area is vulnerable to several types of seismic risks. We might fixate on “The Really…
2017 Pohang earthquake car damage; the earthquake had been induced by the geothermal drilling. Image credit: Sphinx222 via Wikimedia, CC BY-SA 4.0
Lessons from Pohang: A Stanford geophysicist discusses geothermal energy’s earthquake problem – and possible solutions

May 27, 2019

On a November afternoon in 2017, a magnitude 5.5 earthquake shook Pohang, South Korea, injuring dozens and forcing…
Team creates new technology to monitor Earth’s state below seafloor

May 15, 2019

Researchers at the University of Tokyo’s Earthquake Research Institute and collaborators have developed their own technology for seismic…
Scientists found an interesting way to predict volcano eruptions

May 12, 2019

Predicting volcano eruptions is extremely difficult job even with today’s technology predictions are never very accurate. People and…
Scientists Identify Almost 2 Million Previously “Hidden” Earthquakes

April 23, 2019

Pouring through 10 years’ worth of Southern California seismic data with the scientific equivalent of a fine-tooth comb,…
Massive earthquakes provide new insight into deep Earth

March 29, 2019

In the waning months of 2018, two of the mightiest deep earthquakes ever recorded in human history rattled…
Hundreds of bubble streams link biology, seismology off Washington’s coast

March 22, 2019

Off the coast of Washington, columns of bubbles rise from the seafloor, as if evidence of a sleeping…
MERMAIDs reveal secrets from below the ocean floor

February 12, 2019

“Imagine a radiologist forced to work with a CAT scanner that is missing two-thirds of its necessary sensors,”…
‘Silent slip’ along fault line serves as prelude to big earthquakes, research suggests

January 23, 2019

Big earthquakes appear to follow a brief episode of “shallow mantle creep” and “seismic swarms,” suggests new research…
Scientists inch closer to revealing mysteries of Red Planet

December 3, 2018

The £635m lander, which came to rest on Mars, will study the makeup and dimensions of the Red…
Revealing hidden information in sound waves

November 30, 2018

By essentially turning down the pitch of sound waves, University of Michigan engineering researchers have devised a way…
Rice University postdoctoral researcher Jonathan Delph led a study that found evidence of water escaping during subduction and infiltrating sedimentary material related to small tremors that occur beneath the Pacific Northwest of the United States. (Credit: Rice University)
Tiny northwest quakes tied to deep-crust structure

October 29, 2018

The earthquakes are so small and deep that someone standing in Seattle would never feel them. In fact,…
UO research may soon make Oregon safer in quakes and fires

October 18, 2018

Research by UO seismologist and earth sciences professor Douglas Toomey is shaping a new set of policy agendas…
UI researchers study megathrust earthquakes

September 20, 2018

The day after Christmas in 2004, an undersea earthquake occurred near the Indonesian island of Sumatra, triggering 30-foot…
Seismologist works to determine the limit of ground accelerations during earthquakes

August 14, 2018

Igor Beresnev didn’t want to wait for a research grant or fresh data from the next big earthquake.…
Kilauea eruption an opportunity for undersea scrutiny

July 24, 2018

Rice University researchers joined a team of scientists placing seismometers under the ocean off the coast of Hawaii,…
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