Important
This ShakeMap 3.5 Manual is deprecated. Please see the ShakeMap 4 Manual.
9. Glossary¶
Abbreviations, acronyms, and initialisms used in this report
- ANSS
Advanced National Seismic System: A USGS initiative to provide seismic monitoring for at-risk regions of the United States
- California EMA
The California Emergency Management Agency (formerly the California Office of Emergency Services)
- DYFI
Did You Feel It?
- EHP
USGS Earthquake Hazard Program
- ENS
Earthquake Notification System: earthquake notifications via text/email from USGS’s Earthquake Hazard Program
- FEMA
Federal Emergency Management Agency: part of the U.S. Department of Homeland Security
- GIS
Geographic Information System
- GMICE
Ground-Motion–Intensity Conversion Equation
- GMPE
Ground-Motion Prediction Equation
- GSM
Global ShakeMap
- HAZUS
HAZards US: a loss-estimation program developed by FEMA
- IM
Intensity Measure: often used as a generic reference to Peak Ground Motions
- IPE
Intensity Prediction Equation
- ISO
International Standards Organization
- MMI
Modified Mercalli Intensity
- NEIC
the National Earthquake Information Center; part of the USGS, located in Golden, Colorado
- PAGER
Prompt Assessment of Global Earthquakes for Response
- PGA
Peak Ground Acceleration
- PGM
Peak Ground Motion: a generic term for PGA and PGV
- PGV
Peak Ground Velocity
- USGS
the United States Geological Survey, a bureau of the U.S. Department of the Interior.