SZ4D Implementation Plan Infographic (With permission from Harold, Tobin, Univ. of Washington) Members of the Subduction Zones in 4-Dimensions (SZ4D)...
Earthquakes
Live Earthquakes
Nearly half of Americans are exposed to potentially damaging earthquakes where they work and live. Still others will be at...
a, Topographic shaded relief map of the Costa Rica margin (from Global Multi-Resolution Topography (GMRT) synthesis within GeoMapApp45). The Middle...
Every year, the United States experiences dozens, if not hundreds, of natural hazard events that can vary in size and...
Seismic instruments indicate the earthquake was shallow, originating at a depth of about 12.5 miles beneath the city of Acapulco....
The earthquake occurred 78 miles (125 km) west of the capital city of Port-au-Prince at a depth of 6.2 miles (10 kilometers)....
Damage to the Washington National Cathedral in D.C. from the earthquake in central Virginia on August 23, 2011. (Credit: William Leith,...
Perceived shaking for the quake was weak to light in Anchorage. As of 2:51 am local time, 268 "Did You Feel It?"...
The earthquake struck about 20 miles southwest of Smith Valley, NV. Perceived shaking for the quake was very strong. The event was...
The earthquake struck about 20 miles southwest of Smith Valley, NV. Perceived shaking for the quake was very strong. The event was...
In late 2019, a research team assembled 82 smartphones, strapped them to walls and floors in buildings across Costa Rica...
WASHINGTON – The Biden-Harris administration today submitted to Congress the President’s budget for fiscal year 2022, including $1.6 billion in proposed...
(Public domain.) The talk will focus on new research from the 2019 M6.4 and M7.1 Ridgecrest earthquakes in California and...
The M6.1 earthquake struck about 17 miles (28 km) northwest of the densely populated city of Dali. Perceived shaking for this quake was severe. The M7.3 earthquake struck about 620 miles (1000...
Earthquake early warning systems like ShakeAlert work because an alert can be transmitted almost instantaneously, whereas the shaking waves from the...
One of 37 photos posted on the @USGS_Quakes Instagram page during Women's History Month in 2021. This is Kate Scharer, Research Geologist in the...
A magnitude 8.1 earthquake near the Kermadec Trench was the third and largest earthquake of the three. This event is...
We will hold a two hour virtual Town Hall, open to anyone who is interested. SZ4D planning is progressing rapidly,...
As massive slabs of Earth squish into and grind past each other off the coast of the Pacific Northwest, many people may wonder...
