Timor Leste earthquakes

M5.2 earthquake 218 km NE of Lospalos, Timor Leste

A magnitude 5.2 earthquake struck 218 km NE of Lospalos, Timor Leste on Thu, Apr 7, 1988, 3:52 AM GMT+8 (19:52 UTC), 146 km (90 mi) below the surface.

A larger quake followed: M6.9 184 km NE of Lospalos, Timor Leste. This one was a foreshock.

Lospalos forecastMore in Timor Leste

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The earthquake

Magnitude
5.2 (Mw, moment), moderate
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
1988-04-06 19:52:32 UTC
Depth
145.5 km (90.4 mi), intermediate-depth
Epicenter
7.301° S, 128.562° E
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
5.2Mw, momentUSGS National Earthquake Information CenterPreferred · Reviewed
5.17Mw, momentISC-GEM global catalogFinal · ±0.1
5.2Mwc, 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.: 9S, 18C Centroid Location: Origin Time 19:52:26.6 1.8 Lat 8.28S 0.16 Lon 128.39E 0.14 Dep 164.5 2.6 Half-duration 1.5 Moment Tensor; Scale 10**16 Nm Mrr=6.72 0.54 Mtt=-0.87 0.69 Mff=-5.85 0.85 Mrt=3.00 0.51 Mrf=1.14 0.71 Mtf=-1.46 0.76 Principal Axes: (T) Val=7.79 Plg=71 Azm=352 (N) Val=-1.25 Plg=17 Azm=202 (P) Val=-6.54 Plg=9 Azm=109 Best Double Couple:Mo=7.2*10**16 NP1:Strike=180 Dip=39 Slip=63 NP2:Strike=33 Dip=56 Slip=110

From the USGS event page for usp0003erf. 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.

Nearest places

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

Nearby

Within 100 km, magnitude 2.2 and up: 10 in the 60 days after this one and 4 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0003erf (also filed as gcmtb040688b, gcmt19880406195232, iscgem440010). Read Sun, Oct 4, 2026, 7:55 PM UTC.