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Volcanic Arcs Form by Deep Melting of Rock Mixtures

A new study published in the journal Science Advances changes our understanding of how volcanic arc lavas are formed, and may have implications for the study of earthquakes and the risks of volcanic eruption. 

New Explanation for Slow Earthquakes on San Andreas

In a study published this week in Nature Geoscience, scientists provide a new model for understanding the geological source of silent earthquakes, or “creep events” along California’s San Andreas fault.

WHOI Receives $1Million from Keck Foundation for First Real-Time Seafloor Earthquake Observatory at Cascadia Fault

A $1 million grant to WHOI from the W. M. Keck Foundation will fund the first seafloor geodesy observatory above the expected rupture zone of the Pacific Northwest’s Cascadia fault – an offshore, subduction zone fault capable of producing a magnitude 9 earthquake and generating a large tsunami.

Japan Earthquake Appears to Increase Quake Risk Elsewhere in the Country

Japan’s recent magnitude 9.0 earthquake, which triggered a devastating tsunami, relieved stress along part of the quake fault but also has contributed to the build up of stress in other areas, putting some of the country at risk for up to years of sizeable aftershocks and perhaps new main shocks, scientists say.

WHOI Experts Stress Lessons From Japan Earthquake

While Japan’s 9.0-magnitude earthquake and accompanying tsunami represent a devastating natural disaster for the country’s residents, scientists should also seize upon the massive temblor as an important learning tool for future quakes around the world, including the Pacific Northwest coast of the United States, according to experts from the Woods Hole Oceanographic Institution (WHOI).

May 2008 Earthquake in China Could Be Followed by Another Significant Rupture

Researchers analyzing the May 2008 Wenchuan earthquake in China’s Sichuan province have found that geological stress has significantly increased on three major fault systems in the region. The magnitude 7.9 quake on May 12 has brought several nearby faults closer to failure and could trigger another major earthquake in the region.

Fragmented Structure of Seafloor Faults May Dampen Effects of Earthquakes

Many earthquakes in the deep ocean are much lower in magnitude than expected. Geophysicists from the Woods Hole Oceanographic Institution (WHOI) have found new evidence that the fragmented structure of seafloor faults and previously unrecognized volcanism may be dampening the effects of these quakes.

New Instrumentation May Help Scientists Understand Earthquake Mechanics

Advances in understanding basic earthquake processes have been limited by available instrumentation, but researchers have solved that problem by developing a device that records both small and large earthquakes at the same time.

Deep-Sea Tremors May Provide Early Warning System for Larger Earthquakes

Predicting when large earthquakes might occur may be a step closer to reality, thanks to a new study of undersea earthquakes in the eastern Pacific Ocean.

Assessing Algerian Earthquake Risk

Scientists from WHOI and USGS Menlo Park will be assessing future earthquake risk in Algeria and training Algerian researchers under a new two-year project funded by the Office of Foreign Disaster Assistance (OFDA) of the United States Agency for International Development (USAID).

Major Caribbean Earthquakes and Tsunamis a Real Risk

Major earthquakes have struck the Caribbean through history, and WHOI scientists warn this raises the possibility of a tsunami in the populous region

Monitoring Undersea Earthquakes, Deep Sea Tides and Magnetic Fields

One of the largest known mineral deposits in the deep sea, the Tag hydrothermal site on the Mid-Atlantic Ridge (MAR) in the North Atlantic Ocean, was the subject of a recent month-long cruise aboard the WHOI research vessel Knorr.

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