Sample Web Traffic Surges
Web servers that serve earthquake information often show
traffic surges after earthquakes that have been felt by large numbers
of people.
Here are some
samples of traffic surges after various events.
And here are some reports on some particular instances:
- M5.4 near Chino Hills - July 29, 2008
- M5.4 near San Jose - October 30, 2007
- M4.9 Yucaipa - June 16, 2005
- M9.0 Sumatra - December 26, 2004
- M6.0 Parkfield - September 28, 2004
- M5.2 offshore near San Diego - June 15, 2004
- M4.9 in Alabama - April 29, 2003
- M5.0 in Indiana - June 18, 2002
- M5.2 Gilroy - May 13, 2002
- M5.7 Laguna Salada - February 22, 2002
- M5.1 near Anza - October 30, 2001
- Report on web traffic following the M6.8 Seattle earthquake
- Report on NEIC web server problems following the Seattle event
- M4.3 and M4.1, January 13, 2001: Pasadena Office Web Service Report
- Traffic comparison after M4.1 Big Bear and M4.8 Truckee events - 12/02/2000
- Report on web service problems after the M5.2 Yountville event - 9/3/2000
- Traffic detail after Hector Mine - 10/16/1999
- "Web Servers, Earthquakes, and the Slashdot Effect" - our response to the Hector Mine traffic surge
Also, on a related note, here is a quick look at how the growth of our
mailing lists is driven by earthquakes. Here are annotated graphs showing
growth of the mailing lists in 2001,
2002, and
2003.