Geophysical Events
Geophysical Event

M 7.7 Loyalty Islands

May 19, 2023 · 02:57 UTC
M 7.7 Loyalty Islands
Magnitude
M 7.7
Location
southeast of the Loyalty Islands
Depth
18.1 km
Coordinates
-23.206, 170.742
Shakemap

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.

View
Finite Fault

Finite Fault

Finite fault models generated by the USGS generally employ a kinematic finite fault inversion in the wavelet domain.

View
Did You Feel It

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.

View

Aftershock

Aftershocks, smaller earthquakes that occur in the same general area during the days to years following a larger event or "mainshock."

View
Earthquake Browser

Earthquake 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.

View
M 7.7 Loyalty Islands

Teachable Moment

Teachable Moment presentations capture that unplanned opportunity to bring knowledge, insight, and critical thinking to the classroom following a newsworthy earthquake. 11 slide Powerpoint presentation (zipped ppt 9.66 MB / pdf 1.15 MB)

www.iris.edu View