From: ishiro@geophys.hokudai.ac.jp (Ichiro Nakanishi)
Newsgroups: fj.sci.geo
Subject: nicaragua earthquake of sep02
Date: 10 Sep 92 07:24:35 GMT
Distribution: fj
Organization: Department of Geophysics, Hokkaido Univ., Sapporo, JAPAN

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In article <NOUDA.92Sep7151543@cdvc04.cam.cpg.sony.co.jp> nouda@cam.cpg.sony.co.jp (S Nohda) writes:

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U.S. DEPARTMENT OF THE INTERIOR                                       NO. 2-253
GEOLOGICAL SURVEY                                                  SEP 09, 1992
NEIC QUICK EPICENTER DETERMINATIONS                                            

UTC TIME    LAT     LONG    DEP GS MAGS  SD STA  REGION AND COMMENTS
HRMNSEC                         MB  Msz     USED

SEP 02
001600.1  11.715N  87.406W  33N 5.2 7.2 1.4 101 NEAR COAST OF NICARAGUA.
        Mo=3.2*10**20 Nm (PPT). At least 105 people were killed, 63 missing and
        16,000 homeless in Nicaragua. At least 1,143 houses and 185 fishing
        boats were destroyed along the west coast of Nicaragua. Some damage was
        also reported in Costa Rica. Most of the casualties and damage were
        caused by a tsunami affecting the west coasts of Nicaragua and Costa 
        Rica, reaching heights of up to 8 meters. Tsunami run-up of 1,000 meters
        was reported at Masachapa, where at least 15 people were killed. Maximum
        wave heights (in cm. peak-to-trough) at selected tide stations were as
        follows: 111 at Baltra Island, 83 at Easter Island, 28 at Guamblin
        Island, 18 at La Libertad, Ecuador, 10 at Valparaiso, Chile and 10 at
        Hilo, Hawaii. Felt in Chinandega and Leon Departments, Nicaragua. Also
        felt at El Crucero, Managua and San Marcos, Nicaragua and at San Jose,
        Costa Rica. Centroid, Moment Tensor (HRV): Half-duration 18.5 sec;
        Principal axes: (T) Val=1.69, Plg=67, Azm=20; (N) Val=-0.09, Plg=4,
        Azm=119; (P) Val=-1.60, Plg=23, Azm=210; Best double couple:
        Mo=1.6*10**20 Nm; NP1: Strike=308, Dip=23, Slip=99; NP2: Strike=117,
        Dip=68, Slip=86.
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--
$@Cf@>(J $@0lO:!JKL3$F;Bg3XM}3XItCO5eJ*M}3X65(J$@<<!K(J
Ichiro Nakanishi (E-mail:ishiro@geophys.hokudai.ac.jp)
Newsgroups: fj.sci.geo,fj.soc.culture