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 20/05/2023 at 01:50 (UTC)
SOUTHEAST OF LOYALTY ISLANDS 294 km SE Kurine
MAGNITUDE: Mw 7.4
Data provided by: AT AUST BUD DJA GFZ GNS IGC KAN MAD MMD P
T PTWC SC3
Latitude = 22.93 S
Longitude = 170.55 E
Origin Time = 01:50:59.9 (UTC)
Depth = 20 Km
RMS = 1.50 sec
Gap = 27 degrees
95% confidence ellipse: - Semi major = 5.4 Km
- Semi minor = 4.5 Km
- Azimuth of major axis = 56 degrees
Number of data used = 256
Preliminary location computed on Sat May 20 02:08:03 2023 (UTC)
Done by S. M.
Comments :
Message number: 3459
All magnitudes estimations :
Mi7.4 (AT) Mw7.3 (AUST) M 7.3 (BUD) M 7.5 (DJA) M
7.3 (GFZ) MB7.4 (GNS) M 7.4 (IGC) Mw6.8 (KAN) M
w6.9 (MAD) M 7.3 (MMD) Mi7.4 (PT) Mw7.4 (PTWC) M
7.3 (SC3)
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