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Earthquake Hazards Program

Preliminary Earthquake Report

Magnitude 3.0 LOUISIANA
Tuesday, December 20, 2005 at 00:52:20 UTC

World Location

Regional Location

Magnitude 3.0
Date-Time Tuesday, December 20, 2005 at 00:52:20 (UTC) - Coordinated Universal Time
Monday, December 19, 2005 at 06:52:20 PM local time at epicenter
Time of Earthquake in other Time Zones
Location 30.26N 90.71W
Depth 5.0 kilometers
Region LOUISIANA
Reference 35 km (20 miles) SW of Hammond, Louisiana
50 km (30 miles) ESE of BATON ROUGE, Louisiana
70 km (45 miles) WNW of New Orleans, Louisiana
75 km (45 miles) N of Houma, Louisiana
Location Quality Error estimate: horizontal +/- 28.8 km; depth fixed by location program
Location Quality
Parameters
Nst=11, Nph=11, Dmin=412.3 km, Rmss=0.93 sec, Erho=28.8 km, Erzz=0 km, Gp=233.7 degrees
Source USGS NEIC (WDCS-D)
Remarks mbLg 3.0 (GS). Felt (IV) at La Place. Also felt at Baker, Baton Rouge, Bogalusa, Denham Springs, Des Allemands, Destrehan, French Settlement, Gonzales, Greenwell Springs, Hammond, Houma, Lacombe, Livingston, Luling, Mandeville, Metairie, New Orleans, Plaquemine, Prairieville, Saint Amant, Saint Martinville and Walker.

Earthquake Location, USGS Topographic Map
USGS Topographic Map, Resolution: 16.0 meters/pixel


1 km

Earthquake Location, USGS Aerial Photo
USGS Aerial Photo, Resolution: 16.0 meters/pixel


1 km

 


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