Earthquake · Reviewed by USGS

M1.0 earthquake 11 km NNW of Mossyrock, Washington

A magnitude 1.0 earthquake struck 11 km NNW of Mossyrock, Washington at Oct 3, 2026, 08:40 UTC, at a depth of 15 km. The epicentre was 34 km (21 mi) ESE of Centralia.

Details

Magnitude	1.0 md
Time	Oct 3, 2026, 08:40 UTC
Depth	14.5 km
Coordinates	46.632, -122.524
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
1.3	22 km ENE of Ashford, Washington	63 km / 39 mi	depth 0 km	Oct 25, 19:30 UTC
1.0	22 km ENE of Ashford, Washington	63 km / 39 mi	depth 0 km	Oct 25, 19:30 UTC
1.4	38 km NNE of Amboy, Washington	53 km / 33 mi	depth 7 km	Oct 24, 20:34 UTC
1.6	3 km W of Columbia City, Oregon	86 km / 53 mi	depth 23 km	Oct 23, 14:09 UTC
1.6	16 km NNE of Ashford, Washington	54 km / 34 mi	depth 10 km	Oct 22, 22:27 UTC
3.0	3 km W of Columbia City, Oregon	87 km / 54 mi	depth 24 km	Oct 22, 14:25 UTC
1.7	24 km S of Morton, Washington	39 km / 24 mi	depth 11 km	Oct 22, 10:34 UTC
1.4	1 km SE of Kapowsin, Washington	45 km / 28 mi	depth 0 km	Oct 20, 23:30 UTC
1.3	2 km ENE of Southworth, Washington	99 km / 62 mi	depth 28 km	Oct 20, 13:15 UTC
1.6	4 km E of Lewisville, Washington	91 km / 57 mi	depth -1 km	Oct 19, 23:25 UTC
1.6	8 km NE of Ashford, Washington	48 km / 30 mi	depth 7 km	Oct 18, 20:49 UTC
1.6	12 km WSW of Alder, Washington	14 km / 9 mi	depth 25 km	Oct 18, 16:34 UTC
1.1	12 km NE of Ashford, Washington	52 km / 32 mi	depth 4 km	Oct 18, 02:18 UTC
1.1	16 km NNE of Ashford, Washington	54 km / 33 mi	depth 10 km	Oct 17, 12:53 UTC
1.4	9 km ESE of McCleary, Washington	64 km / 40 mi	depth 0 km	Oct 16, 18:35 UTC
1.1	10 km SSE of Toledo, Washington	38 km / 24 mi	depth 0 km	Oct 15, 23:50 UTC
1.9	1 km SE of Belfair, Washington	92 km / 57 mi	depth 30 km	Oct 14, 21:06 UTC
1.4	11 km NE of Vernonia, Oregon	89 km / 55 mi	depth 0 km	Oct 13, 19:26 UTC
1.2	3 km W of Venersborg, Washington	96 km / 60 mi	depth 13 km	Oct 12, 09:01 UTC
1.1	3 km NNE of Hockinson, Washington	96 km / 60 mi	depth 13 km	Oct 12, 03:01 UTC
1.6	9 km ESE of Carbonado, Washington	63 km / 39 mi	depth 7 km	Oct 11, 13:42 UTC
1.3	13 km SE of Ashford, Washington	45 km / 28 mi	depth 6 km	Oct 11, 00:28 UTC
1.6	10 km S of Toledo, Washington	39 km / 24 mi	depth 0 km	Oct 8, 23:32 UTC
1.0	1 km NNW of Maple Valley, Washington	93 km / 58 mi	depth 15 km	Oct 8, 23:12 UTC
1.7	12 km ESE of Enumclaw, Washington	79 km / 49 mi	depth -1 km	Oct 8, 20:24 UTC

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