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 11/11/2022 at 10:48 (UTC)
TONGA REGION 183 km E Neiafu
MAGNITUDE: Mw 7.3
Data provided by: AUST GFZ GNS KAN MAD PT PTWC SC3
Latitude = 19.17 S
Longitude = 172.33 W
Origin Time = 10:48:50.5 (UTC)
Depth = 60 Km
RMS = 1.57 sec
Gap = 74 degrees
95% confidence ellipse: - Semi major = 9.7 Km
- Semi minor = 6.4 Km
- Azimuth of major axis = 95 degrees
Number of data used = 189
Preliminary location computed on Fri Nov 11 11:02:40 2022 (UTC)
Done by J. B.
Comments :
Message number: 3304
All magnitudes estimations :
Mw7.2 (AUST) M 7.5 (GFZ) M 6.9 (GNS) Mw6.8 (KAN)
Mw7.1 (MAD) Mi7.5 (PT) Mw7.5 (PTWC) M 7.5 (SC3)
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