Earthquake · Reviewed by USGS

M4.3 earthquake 71 km SSW of Tambolaka, Indonesia

A magnitude 4.3 earthquake struck 71 km SSW of Tambolaka, Indonesia at Sep 28, 2026, 07:42 UTC, at a depth of 35 km. The epicentre was 72 km (45 mi) SSW of Tambolaka.

Details

Magnitude	4.3 mb
Time	Sep 28, 2026, 07:42 UTC
Depth	35.0 km
Coordinates	-9.989, 118.912
Felt reports	0
Tsunami flag	None
Source	USGS event page

Fig. 1The epicentre and other earthquakes within 100 km, since the day before

01 — Nearby

Nearest cities

02 — Around it

Other earthquakes within 100 km

Other earthquakes within 100 km since the day before this event
Magnitude	Location	Distance	Depth	Time
4.6	70 km W of Tambolaka, Indonesia	78 km / 48 mi	depth 69 km	Oct 17, 12:46 UTC
4.5	71 km SW of Tambolaka, Indonesia	12 km / 7 mi	depth 35 km	Oct 13, 09:48 UTC
4.1	32 km W of Tambolaka, Indonesia	60 km / 37 mi	depth 66 km	Oct 12, 16:56 UTC
4.7	39 km SW of Tambolaka, Indonesia	40 km / 25 mi	depth 60 km	Oct 8, 05:06 UTC
4.4	50 km SW of Tambolaka, Indonesia	26 km / 16 mi	depth 53 km	Oct 6, 12:40 UTC
4.5	35 km SW of Tambolaka, Indonesia	40 km / 25 mi	depth 35 km	Oct 5, 21:38 UTC
4.5	53 km SW of Tambolaka, Indonesia	33 km / 20 mi	depth 35 km	Oct 5, 12:17 UTC
4.1	43 km S of Tambolaka, Indonesia	38 km / 24 mi	depth 35 km	Oct 4, 23:19 UTC
4.2	46 km SW of Tambolaka, Indonesia	31 km / 20 mi	depth 35 km	Oct 4, 14:59 UTC
5.7	36 km WSW of Tambolaka, Indonesia	50 km / 31 mi	depth 17 km	Oct 3, 22:55 UTC

USGS can revise magnitude and location after the first report. See magnitude vs intensity and aftershocks.