USGS - science for a changing world

Earthquake Hazards Program

 

Magnitude 4.1 - ARKANSAS - nm722

2005 February 10 14:04:54 UTC

A light earthquake occurred at 14:04:54 (UTC) on Thursday, February 10, 2005. The magnitude 4.1 event has been located in ARKANSAS. The hypocentral depth was estimated to be 16 km (10 miles). (This event has been reviewed by a seismologist.)

Earthquake Details

Magnitude 4.1
Date-Time
  • Thursday, February 10, 2005 at 14:04:54 (UTC)
    = Coordinated Universal Time
  • Thursday, February 10, 2005 at 8:04:54 AM
    = local time at epicenter
    • Location 35.760°N, 90.250°W
    Depth 15.5 km (9.6 miles)
    Region ARKANSAS
    Distances
  • 5 km (3 miles) NNW (332°) from Etowah, AR
  • 7 km (4 miles) E (89°) from Caraway, AR
  • 14 km (8 miles) SE (129°) from Black Oak, AR
  • 76 km (47 miles) NNW (341°) from Memphis, TN
  • 319 km (198 miles) S (180°) from St. Louis, MO
    		•
    Location Uncertainty horizontal +/- 0.4 km (0.2 miles); depth +/- 0.5 km (0.3 miles)
    Parameters Nst= 31, Nph= 32, Dmin=7.9 km, Rmss=0.07 sec, Gp= 61°,
    M-type=moment magnitude (Mw), Version=D
    Source
  • Cooperative New Madrid Seismic Network
    		•
    Event ID nm722
    • Preliminary Earthquake Report
    • Cooperative New Madrid Seismic Network

    Accessibility FOIA Privacy Policies and Notices

    Take Pride in America logo USA.gov logo U.S. Department of the Interior | U.S. Geological Survey
    URL: http://earthquake.usgs.gov/eqcenter/eqinthenews/2005/nm722/index.php
    Page Contact Information: EHP Web Team
    Page Last Modified: July 16, 2008 20:03:27 UTC