7.2 Ml - BAJA CALIFORNIA, MEXICO - 地球科學討論

http://earthquake.usgs.gov/eqcenter/recenteqsus/Quakes/ci14607652.php

--------------------Update-------------------------

Magnitude 7.2

Date-Time * Sunday, April 04, 2010 at 22:40:40 UTC
* Sunday, April 04, 2010 at 03:40:40 PM at epicenter

Location 32.128°N, 115.303°W

Depth 10 km (6.2 miles) (poorly constrained)

Region BAJA CALIFORNIA, MEXICO

Distances * 26 km (16 miles) SW (225°) from Guadalupe Victoria,
Baja California, Mexico
* 60 km (38 miles) SSE (165°) from Mexicali, Baja California,
Mexico
* 62 km (38 miles) SW (233°) from San Luis R质o Colorado,
Sonora, Mexico
* 167 km (104 miles) ESE (105°) from Tijuana, Baja California,
Mexico

Location Uncertainty
horizontal +/- 2.4 km (1.5 miles);
depth +/- 31.6 km (19.6 miles)

Parameters Nph= 13, Dmin=70 km, Rmss=0.28 sec, Gp=259°,
M-type=regional moment magnitude (Mw), Version=2


--------------------下面是稍早的報告----------------

6.9 Ml - BAJA CALIFORNIA, MEXICO
Preliminary Earthquake Report

Magnitude 6.9 Ml

Date-Time * 4 Apr 2010 22:40:39 UTC
* 4 Apr 2010 15:40:39 near epicenter
* 4 Apr 2010 14:40:39 standard time in your timezone

Location 32.093N 115.249W

Depth 32 km

Distances * 26 km (16 miles) SSW (211 degrees) of Guadalupe Victoria,
Baja California, Mexico
* 61 km (38 miles) SW (227 degrees) of San Luis Rio Colorado,
Sonora, Mexico
* 64 km (40 miles) SW (225 degrees) of San Luis, AZ
* 173 km (108 miles) ESE (106 degrees) of Tijuana, Baja
California, Mexico

Location Uncertainty Horizontal: 5.8 km; Vertical 21.1 km

Parameters Nph = 14; Dmin = 76.0 km; Rmss = 0.20 seconds; Gp = 291°
M-type = Ml; Version = 1

Event ID CI 14607652

--