Current time zone offset : UTC/GMT +3 hours:

24 December 2017

ALERT: mb 5.2 ST. MARTIN REGION, LEEWARD ISL. 21 km N Gustavia 24/12/2017 15:12 (UTC)

Centre Sismologique Euro-Mediterraneen
European-Mediterranean Seismological Centre

Rapid Determination of Source Parameters
operated at LDG (Paris) and IGN (Madrid)

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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 24/12/2017 at 15:12 (UTC)
ST. MARTIN REGION, LEEWARD ISL. 21 km N Gustavia

MAGNITUDE: mb 5.2

Data provided by: GFZ IMP KAN LDG NEIC NEWS PT SC3 TRN

Latitude = 18.08 N
Longitude = 62.83 W
Origin Time = 15:12:53.1 (UTC)
Depth = 80 Km
RMS = 1.11 sec
Gap = 47 degrees
95% confidence ellipse: - Semi major = 3.4 Km
- Semi minor = 3.1 Km
- Azimuth of major axis = 39 degrees

Number of data used = 166

Preliminary location computed on Sun Dec 24 15:31:01 2017 (UTC)
Done by Y Cano

Comments :

Message number: 2554

All magnitudes estimations :
M 5.3 (GFZ) MW4.8 (IMP) M 5.1 (KAN) MB4.9 (LDG)
mb5.2 (NEIC) Mi5.5 (PT) M 5.5 (SC3) M 5.8 (TRN)

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