Earthquake · Reviewed by USGS

M1.0 earthquake 33 km S of Morton, Washington

A magnitude 1.0 earthquake struck 33 km S of Morton, Washington at Oct 4, 2026, 04:47 UTC, at a depth of 4 km. The epicentre was 59 km (36 mi) ENE of Longview.

Details

Magnitude	1.0 ml
Time	Oct 4, 2026, 04:47 UTC
Depth	3.8 km
Coordinates	46.262, -122.199
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	73 km / 45 mi	depth 0 km	Oct 25, 19:30 UTC
1.0	22 km ENE of Ashford, Washington	73 km / 45 mi	depth 0 km	Oct 25, 19:30 UTC
1.4	38 km NNE of Amboy, Washington	6 km / 4 mi	depth 7 km	Oct 24, 20:34 UTC
1.6	3 km W of Columbia City, Oregon	65 km / 41 mi	depth 23 km	Oct 23, 14:09 UTC
1.6	16 km NNE of Ashford, Washington	73 km / 45 mi	depth 10 km	Oct 22, 22:27 UTC
3.0	3 km W of Columbia City, Oregon	66 km / 41 mi	depth 24 km	Oct 22, 14:25 UTC
1.7	24 km S of Morton, Washington	9 km / 6 mi	depth 11 km	Oct 22, 10:34 UTC
1.4	1 km SE of Kapowsin, Washington	79 km / 49 mi	depth 0 km	Oct 20, 23:30 UTC
1.6	4 km E of Lewisville, Washington	54 km / 34 mi	depth -1 km	Oct 19, 23:25 UTC
1.6	8 km NE of Ashford, Washington	64 km / 40 mi	depth 7 km	Oct 18, 20:49 UTC
1.6	12 km WSW of Alder, Washington	57 km / 35 mi	depth 25 km	Oct 18, 16:34 UTC
1.1	12 km NE of Ashford, Washington	69 km / 43 mi	depth 4 km	Oct 18, 02:18 UTC
1.1	16 km NNE of Ashford, Washington	72 km / 45 mi	depth 10 km	Oct 17, 12:53 UTC
1.1	10 km SSE of Toledo, Washington	47 km / 29 mi	depth 0 km	Oct 15, 23:50 UTC
1.4	11 km NE of Vernonia, Oregon	78 km / 49 mi	depth 0 km	Oct 13, 19:26 UTC
1.2	3 km W of Venersborg, Washington	58 km / 36 mi	depth 13 km	Oct 12, 09:01 UTC
1.1	3 km NNE of Hockinson, Washington	59 km / 37 mi	depth 13 km	Oct 12, 03:01 UTC
1.6	9 km ESE of Carbonado, Washington	89 km / 55 mi	depth 7 km	Oct 11, 13:42 UTC
1.3	13 km SE of Ashford, Washington	49 km / 30 mi	depth 6 km	Oct 11, 00:28 UTC
1.6	10 km S of Toledo, Washington	49 km / 31 mi	depth 0 km	Oct 8, 23:32 UTC
1.3	6 km NNW of Clatskanie, Oregon	80 km / 50 mi	depth 21 km	Oct 8, 13:34 UTC
1.1	4 km W of Yacolt, Washington	49 km / 31 mi	depth -1 km	Oct 7, 22:47 UTC
1.6	20 km E of Castle Rock, Washington	34 km / 21 mi	depth 17 km	Oct 7, 20:15 UTC
1.8	20 km E of Castle Rock, Washington	34 km / 21 mi	depth 17 km	Oct 6, 19:59 UTC
1.2	2 km SW of Ashford, Washington	54 km / 34 mi	depth 4 km	Oct 6, 15:25 UTC

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