Earthquake · Reviewed by USGS

M4.1 earthquake 48 km NNW of Naisano Dua, Indonesia

A magnitude 4.1 earthquake struck 48 km NNW of Naisano Dua, Indonesia at Dec 9, 2025, 21:51 UTC, at a depth of 35 km. The epicentre was 93 km (58 mi) SSE of Lewoleba.

Details

Magnitude	4.1 mb
Time	Dec 9, 2025, 21:51 UTC
Depth	35.0 km
Coordinates	-9.171, 123.670
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	51 km N of Pante Makasar, Timor Leste	88 km / 55 mi	depth 91 km	Oct 17, 09:07 UTC
4.2	74 km ESE of Maumere, Indonesia	98 km / 61 mi	depth 101 km	Oct 12, 16:12 UTC
4.4	53 km NW of Pante Makasar, Timor Leste	57 km / 35 mi	depth 68 km	Oct 10, 04:45 UTC
4.9	31 km NNE of Kupang, Indonesia	80 km / 50 mi	depth 10 km	Sep 30, 10:58 UTC
4.9	62 km NNW of Pante Makasar, Timor Leste	68 km / 42 mi	depth 157 km	Sep 29, 14:14 UTC
4.6	59 km WNW of Pante Makasar, Timor Leste	34 km / 21 mi	depth 10 km	Sep 27, 21:14 UTC
4.3	79 km NNW of Pante Makasar, Timor Leste	91 km / 56 mi	depth 10 km	Sep 21, 06:44 UTC
4.6	60 km NW of Pante Makasar, Timor Leste	50 km / 31 mi	depth 67 km	Sep 9, 17:45 UTC
4.5	63 km N of Naisano Dua, Indonesia	18 km / 11 mi	depth 65 km	Sep 9, 11:12 UTC
4.5	103 km NNW of Pante Makasar, Timor Leste	96 km / 60 mi	depth 166 km	Sep 6, 11:15 UTC
4.4	63 km WNW of Naisano Dua, Indonesia	52 km / 32 mi	depth 59 km	Aug 19, 03:47 UTC
4.5	54 km NW of Naisano Dua, Indonesia	29 km / 18 mi	depth 85 km	Aug 9, 06:19 UTC
5.3	34 km NW of Kupang, Indonesia	95 km / 59 mi	depth 10 km	Jul 26, 10:57 UTC
4.6	70 km WNW of Pante Makasar, Timor Leste	30 km / 18 mi	depth 93 km	May 24, 09:27 UTC
4.5	98 km NNW of Pante Makasar, Timor Leste	91 km / 56 mi	depth 167 km	Apr 24, 16:10 UTC
4.3	110 km E of Maumere, Indonesia	93 km / 58 mi	depth 10 km	Apr 23, 03:48 UTC
5.4	47 km NW of Pante Makasar, Timor Leste	55 km / 34 mi	depth 64 km	Apr 21, 03:17 UTC
4.5	41 km NW of Pante Makasar, Timor Leste	59 km / 37 mi	depth 84 km	Apr 14, 12:44 UTC
4.8	103 km E of Maumere, Indonesia	92 km / 57 mi	depth 10 km	Apr 8, 16:17 UTC
4.7	60 km WNW of Pante Makasar, Timor Leste	41 km / 26 mi	depth 79 km	Mar 16, 16:01 UTC
4.4	30 km N of Kupang, Indonesia	81 km / 50 mi	depth 50 km	Mar 15, 09:14 UTC
4.2	56 km WNW of Pante Makasar, Timor Leste	27 km / 17 mi	depth 96 km	Jan 26, 15:00 UTC
4.2	45 km WNW of Pante Makasar, Timor Leste	36 km / 23 mi	depth 89 km	Jan 1, 05:00 UTC
4.0	34 km WNW of Pante Makasar, Timor Leste	48 km / 30 mi	depth 95 km	Dec 27, 18:56 UTC
4.4	9 km SW of Pante Makasar, Timor Leste	74 km / 46 mi	depth 32 km	Dec 26, 20:48 UTC

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