Magnitude 6.9 RAT ISLANDS, ALEUTIAN ISLANDS, ALASKA
2003 June 23 12:12:36 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
USGS Fast Moment Tensor Solution
03/06/23 12:12:35.79 RAT ISLANDS, ALEUTIAN ISLANDS Epicenter: 51.581 176.665 MW 6.9 USGS MOMENT TENSOR SOLUTION Depth 13 No. of sta: 57 Moment Tensor; Scale 10**19 Nm Mrr= 1.02 Mtt=-1.06 Mff= 0.04 Mrt= 1.53 Mrf= 1.00 Mtf=-0.29 Principal axes: T Val= 2.12 Plg=59 Azm=317 N 0.01 9 62 P -2.13 30 157 Best Double Couple:Mo=2.1*10**19 NP1:Strike=273 Dip=17 Slip= 122 NP2: 59 75 80 ------- ----------------- -----##########------ ---##################---- ---#######################--- --############################# -######### ##############---# -########## T ############------# ########### ##########--------- ######################----------- ###################-------------- ################----------------- ###########-------------------- ######------------------------- ----------------- --------- --------------- P ------- ------------- ----- ----------------- -------
Explanation of Parameters
Current USGS Fast Moment Tensor Solutions
USGS E-mail Notification Services
Source Parameter Search
For more information, contact Stuart Sipkin sipkin@usgs.gov