ANSS - Advanced National Seismic System
- National Strong Motion Project completes installation of advanced structural health monitoring systems in 24 Veterans Affairs hospitals, as part of an effort to instrument such hospitals in seismically active areas. Instrumentation of an additional 4 hospitals remains underway
- Earthquake alerts offered via twitter accounts (@USGSted and @USGSBigQuakes)
- Subscriptions to the USGS Earthquake Notification Service (ENS) exceed 350,000
- Almost 400 NetQuakes instruments installed throughout the ANSS
- ANSS partners--the University of Washington Pacific Northwest Seismic Network, USGS Hawaiian Volcano Observatory, USGS Alaska Volcano Observatory, University of Utah Seismograph Stations, Lamont Doherty Earth Observatory and the University of Memphis Center for Earthquake Research and Information--begin operating a new processing system called ANSS Quake Monitoring System (AQMS)
- Completed installation of structural monitoring system (72 channels) in the Rincon One South condo tower in San Francisco, at joint project with the California Geological Survey
- Completed upgrades of 500+ ANSS stations under ARRA
- ANSS expands its portable seismograph system to 32 6-channel instruments, including include broadband seismometers and accelerometers
- USGS implements new software system and layout for the recent earthquake pages (earthquake.usgs.gov/earthquakes/map)
- Gordon and Betty Moore Foundation awards $6 million to create a prototype earthquake early warning system on the west coast, in a collaboration between the USGS and seismologists at UC Berkeley, Caltech, and U. Washington
- USGS and ANSS partners respond to aftershock monitoring of M5.3 Trinidad, CO, M5.6 Prague, OK and M5.8 Mineral, Virginia earthquakes
- USGS Earthquake Hazards Program and NEIC respond to M9.0 Tohoku, Japan earthquake, tsunami, and aftershock sequence
- NEIC implements regional moment tensor inversion, providing more rapid estimates of reliable magnitudes (Mw) for M4 and larger events within the continental United States and Canada
- USGS Earthquake Hazards Program and NEIC respond to M8.8 Maule, Chile and M7.0 Port-au-Prince, Haiti earthquakes, including aftershock monitoring in Haiti
- USGS and ANSS partner Caltech respond to M7.2 Baja, Mexico earthquake
- W-phase source inversions implemented at the NEIC, allowing more rapid estimation of precise magnitudes and mechanisms of large, global earthquakes
- Initiation of NetQuakes program to install cost-effective strong motion instruments in urban areas
- USGS allocates $30 million of funding towards improving seismic and geodetic monitoring, as part of the American Recovery and Reinvestment Act (ARRA), of which $19 million is for the modernization of the ANSS
- USGS and ANSS partners the University of Nevada-Reno and University of Utah Seismograph Stations respond to M6.0 Wells, NV earthquake
- Finite fault modeling implemented at the NEIC, providing the capability to map the slip distribution of large earthquakes around the globe
- USGS and ANSS partner the University of Utah Seismograph Stations respond to Crandall Canyon mine collapse
- The National Earthquake Information Center began 24x7 operations on January 8, 2006
- USGS supported an ANSS Regional Network Operations Workshop in February, 2006, in Salt Lake City, Utah. A summary of the workshop, along with pictures and a list of participants is available at: http://www.ceri.memphis.edu/people/withers/NetOps/
- ANSS received an IT Security Certification and Accreditation in March, 2006, from the Department of the Interior.
- USGS expands funding to ANSS regional seismic networks, from $3.0 million to 2003 to $5.75 million in 2006.
- USGS begins funding investigations on the feasibility of earthquake early warning
- ANSS stations increased by 67 in 2005, to 590.
- ANSS Cost-Benefit Study Completed by the National Research Council
- The ANSS System Response Monitoring Committee completed the "Guideline for ANSS Monitoring of Engineered Civil Systems," thus establishing a solid foundation for the instrumentation of buildings and other structures under ANSS.
- USGS and the California Geological Survey completed a memorandum of understanding on the development of a "National Center for Engineering
Strong Motion Data," which will support ANSS and CGS analysis, distribution and archiving of the seismic records of earthquakes of importance to engineering and design.
- September: USGS agrees to assume in 2007 the operations and maintenance costs of 39 ANSS Backbone stations that will be installed in 2004-2006 under the USArray element of the Earthscope Initiative of the National Science Foundation
UCLA Factor Building integrated into ANSS System Response Monitoring;
ANSS-CENS cooperative project provides dense, real-time monitoring of a
17-story, steel-frame structure.
September 27, 2004 - implementation of regional seismic monitoring
network in Jackson Hole region of Wyoming.
- NEIC upgrade code was completed in the Fall and testing was begun.
- Six stations added to seismic backbone network.
PAGER (Prompt Assessment of Global Earthquakes Response) development initiated, combines expected ground motion
with population and intrastructure information to "predict" impact of a significant earthquake.
- ANSS system underwent an IT security audit with positive results.
March 27, 2004 - First fully-instrumented structure under ANSS, the Atwood Building in Anchorage, AK,
and ShakeMap implemented in Achorage region for 40th Anniversary of the 1964 earthquake.
- ShakeCast development initiated to deliver specific ShakeMap products to critical users.
- CISN Display, web-enabled earthquake notification system development initiated by CISN.
- Earthquake Summary Posters become standard product for significant earthquakes.
- 44 additional ground-based strong-motion stations are installed across the country.
- EarthScope and USGS partner to expand national seismic backbone network. providing dual
satellites, redundancy, and fail-over capabilities.
- April - Technical Implementation Committee completes first report (version 1.0).
- November - Workshop held to define priorities and siting criteria for structural instrumentation.
- September - First meeting of fully constituted ANSS National Steering Committee.
- Summer - Next 100 ANSS strong motion instruments installed in San Francisco (30),
Seattle (20), Salt Lake City (20), Reno/Las Vegas (10), Anchorage (10) and Memphis (10).
- August - Regions complete FY2002 and 5-year implementation plans and submit to
ANSS National Steering Committee.
- April - ANSS implementation plan completed and submitted to Department of Interior.
- November - Congress authorizes full implementation of ANSS over a five year
period and requires USGS to submit an implementation plan.
- Summer - First 80 ANSS strong motion instruments installed in
San Francisco (40), Salt Lake City (20) and Seattle (20).
- Spring - US Geological Survey Circular 1188, "Requirements for an
Advanced National Seismic System" published.
June - Workshop in Denver to review status of seismic monitoring attended by network operators,
engineers and emergency managers.
- January - Congress passes NEHRP reauthorization (Public Law 105-47) with specific request for the USGS to
"assess the status, needs and associated costs of seismic monitoring in the United States"
and authorizes the development of a "real-time seismic hazard warning system", a precursor to the ANSS.