Earthquake Hazards

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The USGS monitors and reports on earthquakes, assesses earthquake impacts and hazards, and conducts targeted research on the causes and effects of earthquakes. We undertake these activities as part of the larger?National Earthquake Hazards Reduction Program?(NEHRP), a four-agency partnership established by Congress.

Latest Earthquakes

Latest Earthquakes

Latest earthquakes map and list (past 24 hours, M2.5+) from the ANSS (Advanced National Seismic System). Check out the new interface! (7/27/20)

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Earthquake Notification Service (ENS)
ShakeAlert® Earthquake Early Warning

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Subscribe to Earthquake News

Subscribe to Earthquake News

Want to know when there is a new earthquake-related announcement or new content on the website? You can now subscribe to the Earthquake Hazards Program News RSS feed.

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Improving Earthquake Monitoring with Deep Learning

Improving Earthquake Monitoring with Deep Learning

Can a deep-learning approach perform better than NEIC’s traditional methods to get more accurate earthquake locations and magnitudes? The NEIC monitoring system is a perfect candidate for deep learning because it processes large amounts of data.

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News

Date published: April 13, 2021

Women of Hazards Featured During Women’s History Month on @USGS_Quakes Instagram

For Women’s History Month in March 2021 the @USGS_Quakes Instagram featured dozens of photos of female earthquake scientists?and shout-outs with the hashtag #EarthquakeWomen from the Earthquake Science Center, Geologic Hazards Science Center and the Office of Communications and Publishing (OCAP).

Date published: April 8, 2021

USGS Seeks Earthquake Hazards Research Proposals

The U.S. Geological Survey (USGS) is currently soliciting project proposals for Fiscal Year (FY) 2022 grants on earthquake hazards science and is authorized to award up to $7 million. The deadline for applications is June 1, 2021, and interested researchers can apply online at?GRANTS.GOV?under funding Opportunity Number G22AS00006.?

March 26, 2021

Natural Hazards Newsletter - Vol. 2 | Issue Spring 2021

In this issue: When will Mauna Loa next Erupt?, ShakeOut rollout to the Pacific Northwest, Big Sur Landslides, new storymaps for earthquakes and wildfire science, expanding coverage of the "Total Water Level and Coastal Change Forecast" tools, New Reducing Risk 2021 projects, and more.

Publications

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Year Published: 2021

A review of timing accuracy across the Global Seismographic Network

The accuracy of timing across a seismic network is important for locating earthquakes as well as studies that use phase‐arrival information (e.g., tomography). The Global Seismographic Network (GSN) was designed with the goal of having reported timing be better than 10 ms. In this work, we provide a brief overview of how timing is kept across...

Ringler, Adam T.; Anthony, Robert E.; Wilson, David C.; Auerbach, D.; Bargabus, S.; Davis, P.W.; Gunnels, M.; Hafner, K.; Holland, James; Kearns, A.; Klimczak, E.

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Year Published: 2021

Rayleigh wave amplitude uncertainty across the Global Seismographic Network and potential implications for global tomography

The Global Seismographic Network (GSN) is a multiuse, globally distributed seismic network used by seismologists, to both characterize earthquakes and study the Earth’s interior. Most stations in the network have two collocated broadband seismometers, which enable network operators to identify potential metadata and sensor issues. In this study,...

Ringler, Adam T.; Anthony, Robert E.; Dalton, C. A.; Wilson, David C.

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Year Published: 2021

Physics‐based evaluation of the maximum magnitude of potential earthquakes induced by the Hutubi (China) underground gas storage

The world’s largest underground gas storage facility in Hutubi (HUGS), China, is a unique case where cyclic gas injection‐extraction induced both seismicity and ground deformation. To assess the potential for future induced seismicity, we develop a framework physically based on a well‐constrained hydro‐geomechanical model and on fully coupled...

Jiang, Guoyan; Liu, Lin; Barbour, Andrew J.; Lu, Renqi; Yang, Hongfeng

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