Natural Hazards

Filter Total Items: 495
Date published: December 11, 2019
Status: Completed

Tsunami Record from the Great 1906 San Francisco Earthquake

Shortly after the Great San Francisco earthquake of April 18, 1906, a sea level disturbance (tsunami) was recorded at the Presidio tide gauge station in San Francisco (the station is now located nearby at Ft. Point). What type of mechanism (earthquake rupture, landslide, other) generated the tsunami...

Contacts: Eric Geist
Date published: December 9, 2019
Status: Active

Featured Photos and Videos

Keep watching this page for more photos from our scientists!

Contacts: Laura Torresan
Date published: November 26, 2019
Status: Active

Tsunami Field Studies

Our tsunami scientists work on international teams to study the aftermath of tsunamis around the world, to gain a better understanding the impact of potential tsunamis on coastal communities of the United States. Their work helps inform local, state, and federal coastal planning, protection, and resiliency.

Date published: November 26, 2019
Status: Active

Tsunami and Earthquake Research

Here you will find general information on the science behind tsunami generation, computer animations of tsunamis, and summaries of past field studies. 

The scope of tsunami research within the USGS, however, is broader than the topics covered here. USGS researchers have also provided critical research toward understanding how sediments are transported during tsunami runup and...

Contacts: Eric Geist
Date published: November 8, 2019
Status: Active

Using Video Imagery to Study Coastal Change: Whidbey Island

Video cameras overlook the coast along a beach on Whidbey Island, Island County at the northern boundary of Puget Sound in western Washington.

    Contacts: Eric Grossman
    Date published: November 7, 2019
    Status: Active

    Earthquake Data

    Selected geophysical data for research.

    Date published: October 28, 2019
    Status: Completed

    Update of the Hawaii Seismic Hazard Model Workshop

    Wednesday, September 18, 2019
    Honolulu, HI
    University of Hawaii at Manoa

    Agenda – PDF (47KB)

    The following links are to PDF versions of the workshop presentations. All workshop participants have granted permission to post their...

    Date published: October 27, 2019
    Status: Active

    Sitka, AK

    Recent Conditions

    Instruments are used to monitor and detect changes in local conditions, including:

    Date published: October 24, 2019
    Status: Active

    Short-term Induced Seismicity Models

      

    Date published: October 24, 2019
    Status: Active

    United States - Lower 48

    Seismic Hazard maps and site-specific data for the U.S. lower 48 states.

    Date published: October 23, 2019
    Status: Active

    San Francisco Bay Area – SF Peninsula (BALT4) Site near Pacifica, CA

    Recent Conditions

    The instruments for this site were installed in the winter of 2012 and are used to monitor and detect changes in local conditions.  Soil water content and ground water pressure are monitored at two nests on the same hillslope.  Data for the site include:

    • ...
    Contacts: Brian Collins
    Date published: October 23, 2019
    Status: Active

    San Francisco Bay Area – SF Peninsula (BALT3) Site near Brisbane, CA

    Recent Conditions

    The instruments for this site were installed in the summer of 2011 and are used to monitor and detect changes in local conditions.  Soil water content and ground water pressure are monitored at two nests on the same hillslope.  Data for the site include:

    • ...
    Contacts: Brian Collins