Earthquakes

USGS Earthquake Site
This site leads to many sources on earthquakes. For instance pull up creep data at Parkfield or other San Andreas locales for the last seven days, last month, or last year. Pull up map showing location of all earthquakes in U.S. during the past week (combines Berkeley & Caltech data w/ USGS network.

IRIS Earthquake site
Shows recent location, magnitude, aJuly 27, 2006 Incorporated Research Institutions for Seismology(IRIS), the national clearinghouse for earthquake info and programs. Numerous downloadable programs and data sets (PC only). Downloadable programs include one that enables the viewing and manipulation of seismic detests in three dimensions and a neat illustration of seismic waves traveling from an epicenter and intersecting various seismic stations.

Induced (Man-made) Earthquakes
Man has, and can, cause earthquakes through injection, or withdrawal, of fluids from the earth and by loading the earth through the building of large dams. Most induced earthquakes are small but some are large enough to cause damage and even loss of life. This link leads to a complete listing of references on the phenomenon of induced earthquakes.

San Andreas Fault
A nice primer with photos of the San Andreas fault by one of the leading researchers in the USGS.

1989 Loma Prieta Earthquake (The 'World Series' earthquake)
This earthquake is remembered by more people than normal because it disrupted the 1989 baseball World Series in Candlestick Park. The Museum of San Francisco site contains a plethora of information and images of that earthquake.

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This page was last updated on April 16, 2008