Earthquake · Reviewed by USGS

M5.4 earthquake 38 km WNW of Bacnotan, Philippines

A magnitude 5.4 earthquake struck 38 km WNW of Bacnotan, Philippines at Sep 18, 2025, 19:52 UTC, at a depth of 35 km. The epicentre was 41 km (26 mi) NW of San Fernando. 15 people reported feeling it to USGS.

Details

Magnitude	5.4 mb
Time	Sep 18, 2025, 19:52 UTC
Depth	35.0 km
Coordinates	16.863, 120.027
Felt reports	15
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
4.0	5 km NE of Ambuclao, Philippines	89 km / 55 mi	depth 156 km	Oct 7, 16:58 UTC
4.5	3 km S of Dalupirip, Philippines	97 km / 60 mi	depth 10 km	Jul 9, 06:33 UTC
4.6	65 km WNW of Catuday, Philippines	97 km / 60 mi	depth 10 km	Jul 2, 11:24 UTC
4.6	66 km WNW of Catuday, Philippines	97 km / 60 mi	depth 10 km	Jul 2, 09:59 UTC
4.6	56 km W of Catuday, Philippines	96 km / 60 mi	depth 10 km	Jul 2, 09:30 UTC
4.8	65 km WNW of Catuday, Philippines	90 km / 56 mi	depth 10 km	Jul 2, 09:11 UTC
4.3	59 km WNW of Catuday, Philippines	96 km / 60 mi	depth 10 km	Jul 2, 08:32 UTC
4.3	1 km S of Anda, Philippines	66 km / 41 mi	depth 39 km	Jul 1, 17:57 UTC
4.3	49 km WNW of Macabuboni, Philippines	99 km / 61 mi	depth 10 km	Jun 29, 03:58 UTC
4.7	54 km WNW of Catuday, Philippines	88 km / 54 mi	depth 10 km	Jun 28, 20:01 UTC
4.6	58 km WNW of Catuday, Philippines	91 km / 57 mi	depth 10 km	Jun 28, 19:25 UTC
5.1	66 km WNW of Catuday, Philippines	93 km / 58 mi	depth 10 km	Jun 28, 19:09 UTC
4.4	42 km W of Catuday, Philippines	88 km / 55 mi	depth 10 km	Jun 28, 18:22 UTC
4.4	57 km W of Catuday, Philippines	96 km / 59 mi	depth 10 km	Jun 25, 04:48 UTC
4.4	60 km WNW of Catuday, Philippines	97 km / 60 mi	depth 10 km	Jun 24, 13:53 UTC
4.5	59 km WNW of Catuday, Philippines	80 km / 50 mi	depth 10 km	Jun 24, 10:51 UTC
5.0	63 km WNW of Catuday, Philippines	97 km / 60 mi	depth 10 km	Jun 24, 02:04 UTC
4.5	47 km WNW of Catuday, Philippines	84 km / 52 mi	depth 10 km	Jun 24, 01:48 UTC
4.8	59 km WNW of Catuday, Philippines	96 km / 59 mi	depth 10 km	Jun 24, 01:37 UTC
4.9	60 km WNW of Catuday, Philippines	89 km / 55 mi	depth 10 km	Jun 24, 01:34 UTC
4.6	122 km NW of Binabalian, Philippines	99 km / 62 mi	depth 10 km	Jun 16, 03:39 UTC
4.5	56 km W of Catuday, Philippines	96 km / 59 mi	depth 10 km	Jun 5, 21:03 UTC
4.4	49 km W of Catuday, Philippines	91 km / 57 mi	depth 10 km	Jun 5, 04:27 UTC
4.1	48 km WNW of Catuday, Philippines	88 km / 55 mi	depth 10 km	Jun 4, 07:55 UTC
4.1	44 km WNW of Catuday, Philippines	85 km / 53 mi	depth 10 km	Jun 4, 06:45 UTC

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