M 7.2 Alaska Peninsula
- Magnitude
- M 7.2
- Location
- 2023 Sand Point, Alaska Earthquake
- Depth
- 25 km
- Coordinates
- 54.393, -160.762
Shakemap
ShakeMap, developed by the USGS, facilitates communication of earthquake information beyond just magnitude and location. By rapidly mapping out earthquake ground motions, ShakeMap portrays the distribution and severity of shaking.
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Finite Fault
Finite fault models generated by the USGS generally employ a kinematic finite fault inversion in the wavelet domain.
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Did You Feel It
The USGS collects information from people who felt an earthquake and creates maps that show what people experienced and the extent of the damage.
ViewAftershock
Aftershocks, smaller earthquakes that occur in the same general area during the days to years following a larger event or "mainshock."
ViewEarthquake Browser
Explore millions of earthquakes on a Google map. View epicenters in 2D, or rotate through hypocenters in 3D. Options allow changing Time, Magnitude, Depth, and more.
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Long-term GPS Station Velocities
These vectors (see 30 mm/yr scale at top left) show the long-term average tectonic motion captured by GPS stations in the region.
ViewGround Motion Visualization
Data-generated visualizations show how the ground moves across the U.S. as seismic waves from moderate local or large distant earthquakes move across the surface of the Earth.
ViewBack Projection
A type of earthquake analysis using a seismograph network that gives researchers tools to examine detailed rupture propagation.
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Event Plot
Suite of plots that are automatically generated following all earthquakes of magnitude 6 or greater that examine different facets of an earthquake.
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Surface-Wave Radiation Patterns
Initial quick-CMT solutions are available within minutes of an event and are later updated to full GCMT solutions when updates arrive.
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Moment Tensor
Initial quick-CMT solutions are available within minutes of an event and are later updated to full GCMT solutions when updates arrive.
ViewSeismic Data Access
Download time series data based on this event.
ViewProject Support Services
Request instruments or other types of support for PI projects.
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Nearest GPS/GNSS Stations
Stations within the radius of predicted 1 cm displacement. The Chignik-Shumagin network is an NSF-funded PI network. Contributed daily stations include Alaska Volcano Observatory stations, Alaska Earthquake Center stations, and others.
ViewGPS/GNSS Data Access
Access high-rate and standard rate data as they become available.
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