Centre Sismologique Euro-Mediterraneen
European-Mediterranean Seismological Centre
Rapid Determination of Source Parameters
operated at LDG (Paris) and IGN (Madrid)
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*********************** ALERT MESSAGE ****************************
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WARNING : These parameters are preliminary and subject to revision.
Location and magnitude estimations may be revised if necessary in
an INFORMATION message.
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EARTHQUAKE on 19/10/2020 at 20:54 (UTC)
SOUTH OF ALASKA 72 km SE Unga
MAGNITUDE: Mw 7.5
Data provided by: AT AUST BUC BUD CNRM GFZ GSRC IMP KAN MAD N
EIC NEWS PT PTWC SC3 SEO
Latitude = 54.71 N
Longitude = 159.75 W
Origin Time = 20:54:40.7 (UTC)
Depth = 40 Km (f)
RMS = 1.39 sec
Gap = 50 degrees
95% confidence ellipse: - Semi major = 4.0 Km
- Semi minor = 3.0 Km
- Azimuth of major axis = 169 degrees
Number of data used = 380
Preliminary location computed on Mon Oct 19 21:16:36 2020 (UTC)
Done by Y Cano
Comments :
Message number: 3009
All magnitudes estimations :
Mi7.4 (AT) Mw7.5 (AUST) Mb7.2 (BUC) M 7.7 (BUD) M
b6.6 (CNRM) M 7.6 (GFZ) Mb6.7 (GSRC) MW7.6 (IMP) M
w7.0 (KAN) Mw7.5 (NEIC) Mb5.8 (NEWS) Mi7.4 (PT) Mw
7.4 (PTWC) M 7.6 (SC3) M 7.4 (SEO)
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