Vanuatu earthquakes

M5.4 earthquake 55 km NE of Isangel, Vanuatu

A magnitude 5.4 earthquake struck 55 km NE of Isangel, Vanuatu on Fri, Oct 16, 1992, 1:40 AM GMT+11 (14:40 UTC), 20 km (13 mi) below the surface.

A larger quake followed: M6.5 45 km NE of Isangel, Vanuatu. This one was a foreshock.

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Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
5.4 (Mw, moment), moderate
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
1992-10-15 14:40:23 UTC
Depth
20.3 km (12.6 mi), shallow
Epicenter
19.157° S, 169.614° E
Region
Vanuatu
Tsunami flag
No
Status
Reviewed by a seismologist

Magnitude estimates

Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.

Mag.ScaleComputed byNotes
5.4Mw, momentUSGS National Earthquake Information CenterPreferred · Reviewed
5.34Mw, momentISC-GEM global catalogFinal · ±0.1
5.3Mwc, centroid momentGlobal CMT projectPreliminary

What happened

The USGS’s account of the effects of this earthquake.

CENTROID, MOMENT TENSOR (HRV) Data Used: GDSN L.P.B.: 18S, 32C Centroid Location: Origin Time 14:40:34.3 2.5 Lat 18.39S 0.21 Lon 169.91E 0.08 Dep 15.0 FIX Half-duration 1.3 Moment Tensor; Scale 10**17 Nm Mrr=-1.38 0.08 Mtt=0.67 0.12 Mff=0.71 0.16 Mrt=0.00 0.00 Mrf=0.00 0.00 Mtf=-0.56 0.08 Principal Axes: (T) Val=1.25 Plg=0 Azm=226 (N) Val=0.13 Plg=0 Azm=136 (P) Val=-1.38 Plg=90 Azm=180 Best Double Couple:Mo=1.3*10**17 NP1:Strike=316 Dip=45 Slip=-90 NP2:Strike=136 Dip=45 Slip=-90

From the USGS event page for usp0005fcf. U.S. Geological Survey text and figures are in the public domain.

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Depth from
CONSTRAINED_BY_DEPTH_PHASES

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 2.4 and up: 11 in the 60 days after this one and 5 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0005fcf (also filed as gcmtb101592b, gcmt19921015144025, iscgem267723). Read Thu, Oct 1, 2026, 11:47 AM UTC.