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online search by time window, area, magnitude, and more
online search by time window, area, magnitude, and more
How climate change triggered a landslide tsunami in a Greenland fjord, vibrating Earth for 9 days
A video explaining this unusual event that USGS researched with other organizations
A video explaining this unusual event that USGS researched with other organizations
Significant Earthquakes, Past 30 days
Significant Earthquakes, Past 30 days
6.8
40 km SSW of Bartolomé Masó, Cuba
2024-11-10 16:49:50 (UTC)
Pager Alert Level: Yellow
MMI: VIII (Severe Shaking)
14.0 km
5.0
54.8 km
5.0
10.0 km
5.7
14 km NNW of Santa Ana, Peru
2024-11-05 19:39:41 (UTC)
Pager Alert Level: Green
MMI: IV (Light Shaking)
79.4 km
4.8
5 km SW of Pāhala, Hawaii
2024-11-05 11:42:32 (UTC)
Pager Alert Level: Green
MMI: IV (Light Shaking)
38.4 km
4.4
82.3 km
4.3
35.0 km
3.4
3 km ENE of Fortuna, CA
2024-11-03 17:12:33 (UTC)
Pager Alert Level: Gray (Null)
MMI: III (Weak Shaking)
21.4 km
5.2
9.0 km
4.3
46.1 km
3.7
3 km E of Steele, Missouri
2024-11-03 03:44:03 (UTC)
Pager Alert Level: Gray (Null)
MMI: V (Moderate Shaking)
10.5 km
3.1
4.0 km
4.3
10.0 km
6.0
10.0 km
6.8
40 km SSW of Bartolomé Masó, Cuba
2024-11-10 16:49:50 (UTC)
Pager Alert Level: Yellow
MMI: VIII (Severe Shaking)
14.0 km
5.0
54.8 km
5.0
10.0 km
5.7
14 km NNW of Santa Ana, Peru
2024-11-05 19:39:41 (UTC)
Pager Alert Level: Green
MMI: IV (Light Shaking)
79.4 km
4.8
5 km SW of Pāhala, Hawaii
2024-11-05 11:42:32 (UTC)
Pager Alert Level: Green
MMI: IV (Light Shaking)
38.4 km
4.4
82.3 km
4.3
35.0 km
3.4
3 km ENE of Fortuna, CA
2024-11-03 17:12:33 (UTC)
Pager Alert Level: Gray (Null)
MMI: III (Weak Shaking)
21.4 km
5.2
9.0 km
4.3
46.1 km
3.7
3 km E of Steele, Missouri
2024-11-03 03:44:03 (UTC)
Pager Alert Level: Gray (Null)
MMI: V (Moderate Shaking)
10.5 km
3.1
4.0 km
4.3
10.0 km
6.0
10.0 km
Earthquake Hazards Program
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).
Search Earthquake Catalog
Search Earthquake Catalog
Find an earthquake or a list of earthquakes by time window, magnitude, area, and more, and choose the output format - map and list, CVS, and others.
News
(Some) Assembly Required: How to sign your organization up for the Great ShakeOut
(Some) Assembly Required: How to sign your organization up for the Great ShakeOut
USGS seeking Loma Prieta felt reports from 35-year-old earthquake
USGS seeking Loma Prieta felt reports from 35-year-old earthquake
Loma Prieta Earthquake 35th Anniversary Compilation
Loma Prieta Earthquake 35th Anniversary Compilation
Publications
Afterslip and creep in the rate-dependent framework: Joint inversion of borehole strain and GNSS displacements for the Mw 7.1 Ridgecrest earthquake
The elusive transition toward afterslip following an earthquake is challenging to capture with typical data resolution limits. A dense geodetic network recorded the Mw 7.1 Ridgecrest earthquake, including 16 Global Navigation Satellite System (GNSS) stations and 3 borehole strainmeters (BSM). The sub-nanostrain precision and sub-second sampling rate of BSMs bridges a gap between conventional seism
Evaluation of an open earthquake early warning system in Mexico, and laboratory tests of their sensors
Microelectromechanical system (MEMS) accelerometers are useful for seismological and engineering applications because of their ability to record unsaturated large seismic signals. Recent advances in MEMS technologies enable the design of instruments with improved capabilities that also allow the recording of small signals. As a result, MEMS can be useful across a broad dynamic range and for both m
Preliminary observations of the April 5th, 2024, Mw4.8 New Jersey earthquake
On 5 April 2024, 10:23 a.m. local time, a moment magnitude 4.8 earthquake struck Tewksbury Township, New Jersey, about 65 km west of New York City. Millions of people from Virginia to Maine and beyond felt the ground shaking, resulting in the largest number (>180,000) of U.S. Geological Survey (USGS) “Did You Feel It?” reports of any earthquake. A team deployed by the Geotechnical Extreme Events R
Science
M 6.9 October 17, 1989 Loma Prieta Earthquake
The 1989 Loma Prieta earthquake ended decades of tranquility in the San Francisco Bay region. It was a wakeup call to prepare for the potentially even more devastating shocks that are inevitable in the future. Since 1989, the work of the U.S. Geological Survey and other organizations has improved understanding of the seismic threat in the Bay region, promoted awareness of earthquake hazards, and...
Earthquake Response and Investigations
Post-earthquake scientific and engineering investigations are undertaken by the USGS and its partners to capture critical information to understand the causes and impacts of the event, lessons from which can substantially improve the Nation’s resilience after future earthquakes.
Alaska Earthquake and Tsunami Hazards
Alaska has more large earthquakes than the rest of the United States combined. More than three-quarters of the state’s population live in an area that can experience a magnitude 7 earthquake. Our research provides objective science that helps stakeholders prepare for and mitigate the effects of future earthquakes and tsunamis, which bolsters the economic health and well-being of Alaska and the...
