Earthquake · Reviewed by USGS

M2.7 earthquake 76 km W of Petrolia, CA

A magnitude 2.7 earthquake struck 76 km W of Petrolia, CA at Aug 16, 2026, 01:20 UTC, at a depth of 10 km. The epicentre was 96 km (60 mi) WSW of Eureka.

Details

Magnitude	2.7 md
Time	Aug 16, 2026, 01:20 UTC
Depth	10.0 km
Coordinates	40.405, -125.174
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
2.1	34 km W of Petrolia, CA	43 km / 26 mi	depth 20 km	Oct 25, 05:49 UTC
1.9	5 km SSW of Humboldt Hill, CA	87 km / 54 mi	depth 5 km	Oct 25, 00:23 UTC
1.7	53 km WSW of Petrolia, CA	38 km / 23 mi	depth 4 km	Oct 24, 20:17 UTC
2.3	16 km SSW of Ferndale, CA	69 km / 43 mi	depth 13 km	Oct 24, 07:54 UTC
1.7	26 km W of Petrolia, CA	50 km / 31 mi	depth 16 km	Oct 24, 07:44 UTC
3.4	70 km W of Ferndale, CA	25 km / 15 mi	depth 10 km	Oct 23, 05:38 UTC
1.7	16 km SE of Petrolia, CA	90 km / 56 mi	depth 11 km	Oct 22, 14:38 UTC
1.5	15 km SE of Petrolia, CA	89 km / 56 mi	depth 14 km	Oct 22, 14:37 UTC
2.1	30 km WSW of Petrolia, CA	49 km / 31 mi	depth 17 km	Oct 22, 12:59 UTC
1.5	14 km SE of Petrolia, CA	88 km / 55 mi	depth 13 km	Oct 22, 03:12 UTC
1.1	14 km SE of Petrolia, CA	87 km / 54 mi	depth 13 km	Oct 22, 02:31 UTC
1.8	13 km SE of Petrolia, CA	87 km / 54 mi	depth 13 km	Oct 22, 02:12 UTC
1.7	14 km SE of Petrolia, CA	88 km / 55 mi	depth 14 km	Oct 22, 01:43 UTC
3.3	14 km SE of Petrolia, CA	87 km / 54 mi	depth 11 km	Oct 22, 01:43 UTC
3.1	80 km WNW of Ferndale, CA	53 km / 33 mi	depth 5 km	Oct 20, 07:39 UTC
1.9	23 km W of Petrolia, CA	53 km / 33 mi	depth 10 km	Oct 19, 16:13 UTC
2.6	18 km WSW of Petrolia, CA	60 km / 37 mi	depth 7 km	Oct 17, 21:43 UTC
1.8	29 km W of Petrolia, CA	48 km / 30 mi	depth 17 km	Oct 15, 19:52 UTC
2.9	12 km W of Petrolia, CA	64 km / 40 mi	depth 19 km	Oct 15, 17:25 UTC
1.8	12 km SW of Rio Dell, CA	81 km / 50 mi	depth 21 km	Oct 15, 10:45 UTC
2.9	75 km W of Petrolia, CA	4 km / 2 mi	depth 4 km	Oct 15, 10:37 UTC
2.7	22 km W of Petrolia, CA	55 km / 34 mi	depth 9 km	Oct 13, 10:15 UTC
2.8	44 km WNW of Petrolia, CA	35 km / 21 mi	depth 25 km	Oct 13, 10:07 UTC
1.8	20 km W of Petrolia, CA	57 km / 35 mi	depth 11 km	Oct 13, 07:18 UTC
3.1	20 km W of Petrolia, CA	56 km / 35 mi	depth 10 km	Oct 12, 15:21 UTC

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