This map is one of a series of seismicity maps produced by the U. S. Geological Survey that show earthquake data of individual states or groups of states at the scale of 1:1,000,000.

2025-11-26 19:10:48 (UTC-08:00) 54.7 km

An earthquake is caused by a sudden slip on a fault. The tectonic plates are always slowly moving, but they get stuck at their edges due to friction.

An earthquake is the vibration, sometimes violent, of the Earth's surface that follows a release of energy in the Earth's crust. This energy can be generated by a sudden dislocation of …

Accounts of sounds from small- to moderate-size earthquakes in England from 1880 to 1916 were collected in a publication in 1938. The observations include descriptions of booming, blowing …

Most earthquakes occur near tectonic plate boundaries, where the Earth's crust is composed of large fragments that interact with one another. These interactions can involve plates sliding …

Sep 27, 2022 · The Quaternary Fault and Fold Database of the United States database contains information on faults and associated folds in the United States that demonstrate geological …

Jul 31, 2025 · The USGS earthquake sequence product is a tool that identifies and describes earthquakes that are clustered in space and time as “sequences.” Its overarching goal is to …

Find recent or historic earthquakes, lists, information on selected significant earthquakes, earthquake resources by state, or find webservices.

2 days ago · Explore our collection of citizen science data, report your experience of an earthquake, or learn more about this citizen science project - how it's done, how you can …