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Pacific Northwest Seismic Network

USGS Earthquake News

  • First Draft of the SZ4D Implementation Plan
    SZ4D Implementation Plan Infographic (With permission from Harold, Tobin, Univ. of Washington)Members of the Subduction Zones in 4-Dimensions (SZ4D) initiative are pleased to present to you the first draft of the SZ4D implementation plan. The S…
    - 29 days ago 5 Nov 21, 5:45pm -
  • ShakeOut 2021: Earthquake Awareness Enables Community Preparedness
    Nearly half of Americans are exposed to potentially damaging earthquakes where they work and live. Still others will be at risk when traveling. It’s a good idea for everyone, everywhere to know how to protect themselves during an earthquake.Be pre…
    - 51 days ago 14 Oct 21, 12:45pm -
  • Opportunity to Provide Feedback for SZ4D Program
    a, Topographic shaded relief map of the Costa Rica margin (from Global Multi-Resolution Topography (GMRT) synthesis within GeoMapApp45). The Middle American Trench (MAT) is shown with a black line and black triangles on the upper plate. The 2011 co…
    - 66 days ago 29 Sep 21, 3:00pm -
  • USGS Hazards Science – Be Informed and Be Prepared
    Every year, the United States experiences dozens, if not hundreds, of natural hazard events that can vary in size and impact – some are incredibly large and affect people across several states and communities, and some are more localized impacting…
    - 85 days ago 10 Sep 21, 2:45pm -
  • Magnitude 7.0 Earthquake near Acapulco, Mexico
    Seismic instruments indicate the earthquake was shallow, originating at a depth of about 12.5 miles beneath the city of Acapulco.Perceived shaking for the quake was very strong near the epicenter. Moderate shaking was felt in Mexico City.Map show…
    - 87 days ago 8 Sep 21, 5:45am -
  • Magnitude 7.2 Earthquake in Haiti
    Update:  8/18/21Haiti Earthquake Translated Talking Points - Update August 18th 2021To review the update in Creole, please click the file above.(Public Domain)Additional Aftershock InformationMore aftershocks than usual will continue to occ…
    - 16 Aug 21, 4:00pm -
  • 10-Year Anniversary of US’s Most Widely Felt Earthquake
    Damage to the Washington National Cathedral in D.C. from the earthquake in central Virginia on August 23, 2011. (Credit: William Leith, USGS. Public domain.)Although not the strongest earthquake to have occurred in the eastern U.S., let alone t…
    - 4 Aug 21, 5:00pm -
  • Magnitude 8.2 Earthquake in Alaska
    Perceived shaking for the quake was weak to light in Anchorage.As of 2:51 am local time, 268 "Did You Feel It?" reports were submitted. USGS scientists expect that this event will trigger aftershocks, but these will decrease in frequency over ti…
    - 29 Jul 21, 7:45am -
  • USGS Participation in the Annual Natural Hazards Research and Applications Workshop
    (used with permission, limited use by USGS only)SessionsMentoring New Professionals: Bill Anderson Fund and Knauss Sea Grant FellowshipMonday, July 12, 1:30 to 3:00 p.m. MDTShakeAlert and SAFRR: The Role of Evaluation in Reshaping Federal Haza…
    - 8 Jul 21, 8:30pm -
  • Magnitude 6.0 Earthquake in California
    The earthquake occurred about 20 miles southwest of Smith Valley, NV. Perceived shaking for the quake was very strong. The event was widely felt, with over 25,000 "Did You Feel It?" reports thus far submitted. The quake is a result of normal faul…
    - 8 Jul 21, 8:30pm -