Earthquakes News
December 9, 2019

Top Headlines

A Rocky Relationship: A History of Earth's Continents Breaking Up and Getting Back Together

A new study of rocks that formed billions of years ago lends fresh insight into how Earth's plate tectonics, or the movement of large pieces of ... read more

Drop of Ancient Seawater Rewrites Earth's History

The remains of a microscopic drop of ancient seawater has assisted in rewriting the history of Earth's evolution when it was used to re-establish the time that plate tectonics started on the ... read more

Faint Foreshocks Foretell California Quakes

New research mining data from a catalog of more than 1.8 million southern California earthquakes found that nearly three-fourths of the time, foreshocks signalled a quake's readiness to strike from ... read more

Glacial Sediments Greased the Gears of Plate Tectonics

The transition to plate tectonics started with the help of lubricating sediments, scraped by glaciers from the slopes of Earth's first continents, according to new ... read more
Latest Headlines
updated 12:54am EST

Earlier Headlines

New Technology Developed to Improve Forecasting of Earthquakes, Tsunamis

Geoscientists have successfully developed and tested a new high-tech shallow water buoy that can detect the small movements and changes in the Earth's seafloor that are often a precursor to ... read more

Geoscientists Hope to Make Induced Earthquakes Predictable

Geoscientists have created a model to forecast induced earthquake activity from the disposal of wastewater after oil and gas ... read more

Earthquake Impact Can Be Affected by Seasonal Factors, Historical Study Shows

The season that an earthquake occurs could affect the extent of ground failure and destruction that the event brings, according to a new look at two historical earthquakes that occurred about 100 ... read more

Historical Data Confirms Recent Increase in West Texas Earthquakes

A new analysis of historical seismic data has found that earthquake activity in West Texas near the city of Pecos has increased dramatically since ... read more

What Makes Earth's Surface Move? Could the Surface Drive Mantle Movement?

Do tectonic plates move because of motion in the Earth's mantle, or is the mantle driven by the plates' movement? Or could it be that this question is ill-posed? This is the point of view ... read more

Southern California Earthquakes Increased Stress on Major Fault Line

A new study has found that last summer's Ridgecrest earthquakes in Southern California earthquakes increased stress on the Garlock Fault, which has been dormant for at least a ... read more

3-D Models of Cascadia Megathrust Events Match Coastal Changes from 1700 Earthquake

By combining models of magnitude 9 to 9.2 earthquakes on the Cascadia Subduction Zone with geological evidence of past coastal changes, researchers have a better idea of what kind of megathrust ... read more

GIS-Based Analysis of Fault Zone Geometry and Hazard in an Urban Environment

Typical geologic investigations of active earthquake fault zones require that the fault can be observed at or near the Earth's surface. However, in urban areas, where faults present a direct ... read more

Earthquakes in Slow Motion

A survey of slow-slip events in Cascadia reveals new insight into the recently discovered ... read more

Ground Failure Study Shows Deep Landslides Not Reactivated by 2018 Anchorage Quake

Major landslides triggered by the 1964 magnitude 9.2 Great Alaska earthquake responded to, but were not reactivated by, the magnitude 7.1 Anchorage earthquake that took place 30 November 2018, ... read more

Analysis of Recent Ridgecrest, California Earthquake Sequence Reveals Complex, Damaging Fault Systems

Geophysicists complete their analysis of a well-documented seismic event that held many ... read more

What Happens Under the Yellowstone Volcano?

A recent study helps to better explain the processes in the Earth's interior beneath the Yellowstone ... read more

Strong Storms Generating Earthquake-Like Seismic Activity

Researcher have uncovered a new geophysical phenomenon where a hurricane or other strong storm can spark seismic events in the nearby ocean as strong as a 3.5 magnitude ... read more

Rice Irrigation Worsened Landslides in Deadliest Earthquake of 2018

Irrigation significantly exacerbated the earthquake-triggered landslides in Palu, on the Indonesian island of Sulawesi, in 2018, according to an international ... read more

North American Seismic Networks Can Contribute to Nuclear Security

Seismologists explain how the work of regional seismic networks in North America are contributing to nuclear test monitoring, particularly in the case of low-yield ... read more

Early Warning Signals Heralded Fatal Collapse of Krakatau Volcano

On 22 December 2018, a flank of the Anak Krakatau plunged into the Sunda strait between the Indonesian islands of Sumatra and Java, triggering a tsunami that killed 430 people. An international ... read more

Did Long Ago Tsunamis Lead to Mysterious, Tropical Fungal Outbreak in Pacific Northwest?

The Great Alaskan Earthquake of 1964 and the tsunamis it spawned may have washed a tropical fungus ashore, leading to a subsequent outbreak of often-fatal infections among people in coastal regions ... read more

'Treasure Trove' of Earthquake Clues Could Be Unearthed by Wavy New Technique

Geologists have improved upon methods to map seabed rocks, helping us better understand underwater earthquakes and the tsunamis they can ... read more

Faults' Hot Streaks and Slumps Could Change Earthquake Hazard Assessments

For more than a century, a guiding principle in seismology has been that earthquakes recur at semi-regular intervals according to a 'seismic cycle.' In this model, strain that gradually ... read more

New Volcanic Eruption Forecasting Technique

Volcanic eruptions and their ash clouds pose a significant hazard to population centers and air travel, especially those that show few to no signs of unrest beforehand. Geologists are now using a ... read more

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