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 19/05/2023 at 02:57 (UTC)
SOUTHEAST OF LOYALTY ISLANDS 327 km SE Kurine
MAGNITUDE: Mw 7.7
Data provided by: AT AUST BUD DJA GFZ GNS GSRC IGC INGV KAN M
AD MMD NEIC PT PTWC
Latitude = 23.19 S
Longitude = 170.76 E
Origin Time = 02:57:05.7 (UTC)
Depth = 30 Km
RMS = 0.97 sec
Gap = 18 degrees
95% confidence ellipse: - Semi major = 3.2 Km
- Semi minor = 2.8 Km
- Azimuth of major axis = 57 degrees
Number of data used = 252
Preliminary location computed on Fri May 19 03:17:28 2023 (UTC)
Done by S. M.
Comments :
Message number: 3457
All magnitudes estimations :
Mi7.7 (AT) Mw7.6 (AUST) M 7.7 (BUD) M 7.8 (DJA) M
7.6 (GFZ) MB8.2 (GNS) Mb6.7 (GSRC) M 7.7 (IGC) M
w7.5 (INGV) Mw7.1 (KAN) Mw7.2 (MAD) Mw7.6 (MMD) M
w7.7 (NEIC) Mi7.7 (PT) Mw7.7 (PTWC)
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