Earthquake · Reviewed by USGS

M4.5 earthquake 42 km NE of Ambunti, Papua New Guinea

A magnitude 4.5 earthquake struck 42 km NE of Ambunti, Papua New Guinea at Oct 26, 2025, 09:43 UTC, at a depth of 10 km. The epicentre was 74 km (46 mi) SW of Wewak.

Details

Magnitude	4.5 mb
Time	Oct 26, 2025, 09:43 UTC
Depth	10.0 km
Coordinates	-4.001, 143.139
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
5.4	33 km ESE of Ambunti, Papua New Guinea	41 km / 25 mi	depth 72 km	Oct 25, 10:30 UTC
4.6	48 km SSW of Angoram, Papua New Guinea	94 km / 58 mi	depth 101 km	Oct 7, 17:36 UTC
4.2	69 km SW of Angoram, Papua New Guinea	87 km / 54 mi	depth 105 km	Sep 15, 11:06 UTC
4.6	48 km SSW of Angoram, Papua New Guinea	95 km / 59 mi	depth 136 km	Aug 13, 12:44 UTC
4.3	45 km WSW of Angoram, Papua New Guinea	65 km / 40 mi	depth 126 km	Aug 5, 01:31 UTC
4.2	16 km NNE of Ambunti, Papua New Guinea	32 km / 20 mi	depth 132 km	Jun 26, 10:37 UTC
4.2	48 km WSW of Angoram, Papua New Guinea	64 km / 40 mi	depth 134 km	May 23, 07:26 UTC
4.3	39 km E of Ambunti, Papua New Guinea	29 km / 18 mi	depth 97 km	Apr 24, 03:42 UTC
4.0	16 km ENE of Ambunti, Papua New Guinea	26 km / 16 mi	depth 85 km	Mar 16, 06:43 UTC
4.5	70 km SE of Ambunti, Papua New Guinea	82 km / 51 mi	depth 90 km	Feb 15, 23:10 UTC
4.1	39 km ESE of Aitape, Papua New Guinea	94 km / 59 mi	depth 10 km	Feb 12, 21:59 UTC
4.4	37 km NNW of Wewak, Papua New Guinea	98 km / 61 mi	depth 10 km	Dec 26, 07:59 UTC
4.6	17 km N of Wewak, Papua New Guinea	88 km / 55 mi	depth 10 km	Dec 26, 05:25 UTC
4.1	14 km NNE of Wewak, Papua New Guinea	88 km / 55 mi	depth 10 km	Dec 26, 03:03 UTC

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