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News and activities from across the Natural Hazards Mission Area.

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Latest Newsletter

Latest Newsletter

In this issue: 2019 Ridgecrest earthquake geo-narrative, potential landslide in Alaska, subduction zone science, post-wildfire debris flow assessments, new @USGS_Quakes Twitter account, mapping faults in Puerto Rico, and more.

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Date published: February 26, 2021

Total Water Level and Coastal Change Forecast expands to include more than a thousand miles of new coverage

The Total Water Level and Coastal Change Forecasts have been extended across an additional 1,700 km of US coastline to provide coastal change hazards predictions to coastal communities.

Date published: February 26, 2021

Responding to 2020 Hurricanes

During the 2020 Atlantic hurricane season, which took place from June 1 to November 30, the USGS worked with partners and emergency managers to protect lives and property by providing science and building capabilities that reduce risk and improve situational awareness.

Date published: February 26, 2021

Explore Coastal Change in Alaska

A new geonarrative shows how USGS Coastal Change Hazards research is directly addressing the ability to understand, measure and project coastal change in permafrost regions.

Date published: February 25, 2021

Post-wildfire Landslides Becoming More Frequent in Southern California

Southern California can now expect to see post-wildfire landslides occurring almost every year, with major events expected roughly every ten years, a new study led by U.S. Geological Survey researchers finds.

Date published: February 22, 2021

PCMSC scientists invited to present at the National Seismic Hazard Map Workshop

USGS Pacific Coastal and Marine Science Center research geologist Jenna Hill to present recent offshore work on the Cascadia Subduction Zone.

Date published: February 17, 2021

Mars 2020 Mission: The Perseverance Rover Landing

The excitement of the Perseverance rover landing on Mars can be witnessed on NASA TV starting at 11:15 PST on February 18, 2021.

Date published: February 17, 2021

How Often Do Rainstorms Cause Debris Flows in Burned Areas of the Southwestern U.S.?

In the SW U.S., wildfires and intense rainfall are both common occurrences. In burned areas, short bursts of heavy rain over steep terrain can produce debris flows more so than in unburned areas due to changes in ground surface. How often do these events tend to occur?

Read the new Science for Everyone article: ...

Date published: February 16, 2021

Bond Fire Debris Flows, California: January 25 and 28, 2021

A new geonarrative (Esri Story Map) summarizes the debris flows that were caused by a rainstorm following the Bond Fire in California.

Date published: February 16, 2021

ShakeAlert Earthquake Early Warning Delivery for the Pacific Northwest

Starting May 4, 2021, ShakeAlert®-powered earthquake early warning alerts will be available to more than 50 million people in California, Oregon and Washington, the most earthquake-prone region in the conterminous U.S.

Date published: February 12, 2021

USGS Research Spotlight: Subduction May Recycle Less Water Than Thought

Dr. Nathan Miller, Research Geophysicist from the USGS Woods Hole Coastal and Marine Science Center,  led a study on new analysis of seismic data from the Middle America Trench suggesting that previous calculations have vastly overestimated the total amount of water transported to the mantle worldwide.