Indonesia earthquakes

M6.5 earthquake 275 km S of Kencong, Indonesia

A magnitude 6.5 earthquake struck 275 km S of Kencong, Indonesia on Sat, Jun 4, 1994, 7:57 AM GMT+7 (00:57 UTC), 11 km (7 mi) below the surface.

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The earthquake

Magnitude: 6.5 (Mw, moment), strong
Magnitude from: USGS National Earthquake Information Center
Local time: Sat, Jun 4, 1994, 7:57 AM GMT+7
UTC: 1994-06-04 00:57:50 UTC
Depth: 11.2 km (7.0 mi), shallow
Epicenter: 10.777° S, 113.366° E
Region: Indonesia
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.	Scale	Computed by	Notes
6.5	Mw, moment	USGS National Earthquake Information Center	Preferred · Reviewed
6.45	Mw, moment	ISC-GEM global catalog	Final · ±0.1
6.4	Mwc, centroid moment	Global CMT project	Preliminary
6.75	Me, energy	Choy, USGS energy magnitude	Reviewed

Deaths and damage

From NOAA NCEI’s Significant Earthquake Database (record 10108), matched to this event by time and place.

NOAA’s record of this earthquake gives no deaths, injuries or damage.

NOAA’s full record of this earthquake The tsunami it caused

What happened

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

Depth from broadband displacement seismograms. FAULT PLANE SOLUTION: P-Waves NP1:Strike=305 Dip=60 Slip=-35 NP2:Strike=54 Dip=60 Slip=-145 Principal Axes: (T) Plg=0 Azm=180 (P) Plg=45 Azm=270 Comment: The focal mechanism is moderately well controlled and corresponds to strike-slip faulting with a large normal component. The preferred fault plane is not determined. RADIATED ENERGY No. of sta: 23 Focal mech. F Energy 3.3+0.6*10**14 Nm MOMENT TENSOR SOLUTION Dep 18 No. of sta: 25 Moment Tensor; Scale 10**18 Nm Mrr=-1.75 Mtt=2.01 Mff=-0.26 Mrt=0.11 Mrf=-0.84 Mtf=-0.51 Principal axes: (T) Val=2.14 Plg=4 Azm=14 (N) Val=-0.01 Plg=24 Azm=106 (P) Val=-2.14 Plg=65 Azm=274 Best Double Couple:Mo=2.1*10**18 NP1:Strike=80 Dip=46 Slip=-125 NP2:Strike=305 Dip=54 Slip=-60 CENTROID, MOMENT TENSOR (HRV) Data Used: GDSN L.P.B.: 63S,154C M.W.: 55S, 99C Centroid Location: Origin Time 00:57:59.5 0.1 Lat 10.94S 0.01 Lon 113.52E 0.01 Dep 15.0 FIX Half-duration 4.0 Moment Tensor; Scale 10**18 Nm Mrr=-6.06 0.03 Mtt=5.39 0.03 Mff=0.68 0.04 Mrt=0.77 0.16 Mrf=-0.68 0.14 Mtf=-0.29 0.03 Principal Axes: (T) Val=5.46 Plg=4 Azm=4 (N) Val=0.72 Plg=5 Azm=94 (P) Val=-6.18 Plg=83 Azm=236 Best Double Couple:Mo=5.8*10**18 NP1:Strike=88 Dip=41 Slip=-98 NP2:Strike=279 Dip=49 Slip=-83

From the USGS event page for usp0006dp4. 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: OPERATOR_ASSIGNED

Nearest places

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

Nearby

Within 100 km, magnitude 3.5 and up: 127 in the 60 days after this one and 27 in the 30 days before it.

After

The first 60 of 127.

Before

Earthquakes today Indonesia earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0006dp4 (also filed as choy19940604005750, gcmtc060494b, gcmt19940604005753, iscgem167374). Read Fri, Oct 2, 2026, 12:12 PM UTC.