| AD |
anno domini (in the year of the Lord) |
| AFE |
annual frequency of exceedance |
| AlC |
Akaike information criterion |
| ALM |
Alabama-Louisiana-Mississippi (zone of possible paleoseismic features) |
| AM |
Atlantic Margin |
| AHEX |
Atlantic Highly Extended Crust (seismotectonic zone) |
| ANSS |
U.S. Advanced National Seismic System |
| ANT |
Advanced Nuclear Technology |
| APC |
Action Plan Committee |
| BA |
Blytheville arch |
| BC |
before Christ |
| BCFZ |
Big Creek fault zone |
| BFZ |
Blytheville fault zone BL Bootheel lineament |
| BL |
Bootheel lineament |
| BMA |
Brunswick magnetic anomaly |
| BP |
before present |
| BPT |
Brownian passage time |
| BTP |
Branch Technical Position |
| CAD |
computer-aided design |
| CBR |
center, body, and range |
| CCFZ |
Crittenden County fault zone |
| CDZ |
Commerce deformation zone |
| CENA |
Central and Eastern North America |
| CERl |
Center for Earthquake Research and information |
| CEUS |
Central and Eastern United States |
| CFZ |
Commerce fault zone |
| CFR |
Code of Federal Regulations |
| CGL |
Commerce geophysical lineament |
| CGRGC |
Cottonwood Grove-Rough Creek graben |
| Cl |
confidence interval |
| CNWRA |
Center for Nuclear Waste Regulatory Analysis |
| COCORP |
Consortium for Continental Reflection Profiling |
| COCRUST |
Consortium for Crustal Reconnaissance Using Seismic Techniques |
| COL |
combined construction and operating license |
| COLA |
combined operating license application |
| COMP |
composite prior, composite superdomain |
| CON |
contemporary(with earthquake occurrence) |
| COV |
coefficient of variation |
| CPT |
cone penetration test |
| CVSZ |
Central Virginia seismic zone |
| D&G |
Deweyand Gordon (1984 catalog) |
| DEM |
digital elevation model |
| DNFSB |
Defense Nuclear Facilities Safety Board |
| DOE |
U.S. Department of Energy |
| DWM |
Division of Waste Management |
| ECC |
Extended Continental Crust |
| ECC-AM |
Extended Continental Crust-Atlantic Margin (seismotectonic zone) |
| ECC-GC |
Extended Continental Crust-Gulf Coast (seismotectonic zone) |
| ECFS |
East Coast fault system |
| ECFS-C |
East Coast fault system-central segment |
| ECFS-N |
East Coast fault system-northern segment |
| ECFS-S |
East Coast fault system-southern segment |
| EC-SFS |
East Coast-Stafford fault system |
| ECMA |
East Coast magnetic anomaly |
| ECRB |
East Continent rift basin |
| ECTM |
Eastern Canada Telemetered Network |
| E[M] |
expected moment magnitude listed in the catalog for an earthquake |
| ENA |
eastern North America |
| EP |
Eau Plain shear zone |
| EPRl |
Electric Power Research institute |
| EPRl-SOG |
Electric Power Research lnstitute-Seismicity Owners Group |
| ERM |
Eastern rift margin |
| ERM-N |
Eastern rift margin-north |
| ERM-RP |
Eastern rift margin-river (fault) picks |
| ERM-S |
Eastern rift margin-south |
| ERM-SCC |
Eastern rift margin-south/Crittenden County |
| ERM-SRP |
Eastern rift margin-south/river (fault) picks |
| ERRM |
Eastern Reelfoot Rift Margin |
| ESP |
early site permit |
| ESRl |
Environmental Systems Research institute |
| ETSZ |
Eastern Tennessee seismic zone |
| EUS |
Eastern United States |
| FAFC |
Fluorspar Area fault complex |
| FGDC |
Federal Geographic Data Committee |
| ft |
foot or feet |
| FTP |
file transfer protocol ft/s feet per second ft/yr feet per year |
| ft/s |
feet per second |
| ft/yr |
feet per year |
| FWLA |
Fugro William Lettis & Associates |
| FWR |
Fort Wayne rift |
| Ga |
billion years ago |
| GC |
Gulf Coast |
| GCVSZ |
Giles County, Virginia, seismic zone |
| GHEX |
Gulf Coast Highly Extended Crust (seismotectonic zone) |
| GlS |
geographic information system |
| GLTZ |
Great Lakes tectonic zone |
| GMC |
ground-motion characterization (model) |
| GMH |
Great Meteor Hotspot (seismotectonic zone) |
| GMPE |
ground-motion prediction equation |
| GMRS |
ground-motion response spectra |
| GPR |
ground-penetrating radar |
| GPS |
global positioning system |
| GSC |
Geological Survey of Canada |
| Gyr |
giga years (109 years) |
| HF |
Humboldt fault HlD hazard input document l0 maximum intensity |
| HID |
hazard input document |
| Io |
maximum intensity |
| lAEA |
international Atomic Energy Agency |
| lBEB |
Illinois Basin Extended Basement (seismotectonic zone) |
| lPEEE |
individual Plant Examination for External Events |
| lRM |
lapetan rifted margin |
| lSC |
international Seismological Centre |
| lTC |
informed technical community |
| ka |
thousand years ago |
| K-Ar |
potassium-argon |
| km |
kilometer(s) |
| km2 |
square kilometer(s) |
| km/sec |
kilometers per second |
| K-S |
Kijko-Sellevoll |
| K-S-B |
Kijko-Sellevoll-Bayes kyr thousand years |
| kyr |
thousand years |
| LDO |
Lamont-Doherty Earth Observatory(catalog) |
| LHS |
Latin hypercube sampling |
| LLNL |
Lawrence Livermore National Laboratory |
| ln(FA) |
logarithm of felt area (with felt area measured in km2) |
| LS |
least squares |
| LSA |
La Salle anticlinal belt |
| LWLS |
locally weighted least squares m meter(s) |
| m |
meter(s) |
| M |
magnitude |
| M,MW |
moment magnitudes |
| Ma |
million years ago |
| MAR |
Marianna (RLME source) |
| mb |
body-wave magnitude (short period) |
| mbLg |
body-wave magnitude determined from higher-mode (Lg) surface waves |
| MC |
coda magnitude |
| MCMC |
Markov Chain Monte Carlo MD duration magnitude |
| MD |
duration magnitude |
| MESE |
Mesozoic and younger extended crust |
| MESE-N |
Mesozoic-and-younger extended crust or Mmax zone that is -narrow” |
| MESE-W |
Mesozoic-and-younger extended crust or Mmax zone that is -wide” |
| mi. |
mile(s) |
| mi.2 |
square mile(s) |
| MlDC |
midcontinent |
| MidC |
Midcontinent-Craton (seismotectonic zone) |
| Mfa |
felt-area magnitude |
| ML |
local magnitude |
| Mmax, |
Mmax maximum magnitude |
| MMl |
modified Mercalli intensity |
| mm/yr |
millimeters per year |
| MN |
Nuttli magnitude |
| Mo |
Scalar seismic moment |
| MRS |
Midcontinent rift system m/s meters per second |
| m/s |
meters per second |
| MS |
surface-wave magnitude |
| MSF |
Meeman-Shelby fault |
| Mw |
|
| Myr |
million years |
| NAD83 |
North American Datum of 1983 |
| NAP |
Northern Appalachian (seismotectonic zone) |
| Nd |
neodymium |
| NEDB |
National Earthquake Database |
| NEl |
Nuclear Energy institute |
| NElC |
National Earthquake information Center |
| NF |
Niagara fault zone |
| NMESE |
Non-Mesozoic and younger extended crust |
| NMESE-N |
Mesozoic-and-younger extended crust or Mmax zone that is -narrow” |
| NMESE-W |
Mesozoic-and-younger extended crust or Mmax zone that is -wide” |
| NMFS |
New Madrid fault system |
| NMN |
New Madrid North fault |
| NMS |
New Madrid South fault |
| NMSZ |
New Madrid seismic zone |
| NN |
New Madrid north (fault segment as designated by Johnston and Schweig, 1996) |
| NOAA |
National Oceanic and Atmospheric Administration |
| NPP |
nuclear power plant(s) |
| NR |
Nemaha Ridge |
| NRC |
U.S. Nuclear Regulatory Commission |
| NRHF |
Nemaha Ridge-Humboldt fault |
| NSHMP |
National Seismic Hazard Mapping Project |
| NW |
New Madrid west (fault segment as designated by Johnston and Schweig, 1996) |
| OKA |
Oklahoma aulacogen (seismotectonic zone) |
| OKO |
Oklahoma Geological Survey Leonard Geophysical Observatory(catalog) |
| OSL |
optically stimulated luminescence Pa probability of activity(of being seismogenic) |
| Pa |
probability of activity (of being seismogenic) |
| PEZ |
Paleozoic Extended Crust (seismotectonic zone) |
| PGA |
peak ground acceleration |
| PM |
Project Manager |
| PPRP |
Participatory Peer Review Panel |
| PSHA |
probabilistic seismic hazard analysis |
| PVHA |
probabilistic volcanic hazard analysis |
| RCG |
Rough Creek graben |
| RF |
Reelfoot fault |
| RFT |
Reelfoot thrust (fault) |
| RLME |
repeated large-magnitude earthquake (source) |
| RR |
Reelfoot rift zone |
| RS |
Reelfoot South (fault segment) |
| SA |
spectral acceleration |
| SCL |
St. Charles lineament |
| SCML |
south-central magnetic lineament |
| SCR |
stable continental region |
| SCSN |
South Carolina Seismic Network |
| SEUS |
Southeastern United States (catalog) |
| SEUSSN |
Southeastern United States Seismic Network |
| SGFZ |
Ste. Genevieve fault zone |
| SHmax |
maximum horizontal stress, compression, or principal stress |
| SLR |
St. Lawrence rift (seismotectonic zone) |
| SLTZ |
Spirit Lake tectonic zone |
| SLU |
Saint Louis University(catalog) |
| SNM |
Sanford et al. (2002 catalog) |
| SOG |
Seismicity Owners Group |
| SPT |
standard penetration test |
| SRA |
Stover, Reagor, and Algermissen (1984 catalog) |
| SRTM |
Shuttle Radar Topography Mission |
| SSC |
seismic source characterization |
| SSE |
safe shutdown earthquake |
| SSHAC |
Senior Seismic Hazard Analysis Committee |
| Str&Tur |
Street and Turcotte (1977 catalog) |
| SUSN |
Southeastern United States Network |
| TC |
technical community |
| TFl |
technical facilitator/integrator |
| Tl |
technical integration |
| USGS |
U.S. Geological Survey |
| USNSN |
U.S. National Seismograph Network |
| UTC |
Coordinated Universal Time |
| VP/VS |
ratio of P-wave velocity to S-wave velocity |
| WES |
Weston Observatory (catalog) |
| WlPP |
Waste isolation Pilot Project |
| WQSZ |
Western Quebec seismic zone |
| WRFZ |
White River fault zone |
| WUS |
Western United States |
| WVFS |
Wabash Valley fault system |
| WVSZ |
Wabash Valley seismic zone |
| WWSSN |
World-Wide Standardized Seismograph Network |