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New research on the Cascadia Subduction Zone shows it has a segmented fault structure, impacting earthquake predictions and preparedness strategies, potentially affecting building codes in vulnerable areas like Washington’s Olympic Peninsula.
Nearly all of California has a more than 95% chance of a damaging earthquake in the next century, according to a new United States Geological Survey map. The new USGS National Seismic Hazard...
USGS scientists and our partners recently revealed the latest National Seismic Hazard Model, showing that nearly 75% of the United States could experience a damaging earthquake, emphasizing seismic hazards span a significant part of the country.
That means a magnitude six earthquake is ten times stronger than a magnitude five on the Richter Scale. A magnitude seven is 100 times stronger than a magnitude five. In 1811 and 1812, a series of ...
Ground shaking is the most powerful predictor of damage from an earthquake. The U.S. Geological Survey (USGS) National Seismic Hazard Map shows the strength of ground shaking that has a 1 in 50 chance of being exceeded in a particular place in the lower 48 states over a period of 50 years.
By calculating the intervals between each major quake, the Japanese government has warned there is a 70% to 80% chance that Japan will be rocked by another Nankai Trough earthquake within 30...
Some 230 million people in the United States face the potential of damaging earthquakes in 100 years, according to the latest U.S. National Seismic Hazard Model, or NSHM. That’s about 40...
N early 75% of the country is at risk for a potentially damaging earthquake in the next 100 years, according to a newly updated map from the U.S. Geological Survey.
Nearly 75% of the U.S. could experience damaging earthquake shaking, according to a recent U.S. Geological Survey-led team of more than 50 scientists and engineers. This was one of several key...
Events in this list and shown in red on our real-time earthquake map and list are considered “significant events’, and they are determined by a combination of magnitude, number of Did You Feel It responses, and PAGER alert level.