United States – Washington

This page summarizes earthquakes in Washington (United States). The most recently recorded event was a magnitude M0.9 earthquake near Pierce County on 2026-07-29 07:55:28 UTC. All event lists and map markers are limited to the last 30 days.

About Washington

Washington is a state in the Pacific Northwest region of the United States. It is often referred to as Washington state to distinguish it from the national capital; both are named after George Washington, a U.S. Founding Father and the first U.S. president.

Earthquakes (last 30 days)
64
Max magnitude (last 30 days)
M3.8
Avg magnitude (last 30 days)
M1.59
Avg depth (last 30 days)
12 km
Seismic activity in 2026

In 2026, Washington recorded 278 earthquakes within United States. The average magnitude was M1.46. The strongest event reached M3.8.

By event count in 2026, this region ranks #7 within United States.

Located on the North America Plate.

Map (last 30 days)
< 2 2–4 4–5 ≥ 5
Earthquakes in Washington (last 30 days)
M0.9
Pierce County
2026-07-29 · 07:55 UTC · -3 km
M-0.1
Skamania County
2026-07-28 · 22:09 UTC · 5 km
M0.8
Skamania County
2026-07-28 · 21:53 UTC · 5 km
M-0.5
Skamania County
2026-07-28 · 21:28 UTC · 5 km
M0.1
Deer Harbor
2026-07-28 · 21:07 UTC · 14 km
M0.4
Pierce County
2026-07-28 · 10:55 UTC · 0 km
M1.4
Cowlitz County
2026-07-28 · 07:23 UTC · 17 km
M1.2
North Beach
2026-07-28 · 03:29 UTC · 17 km
M2.1
Island County
2026-07-27 · 22:01 UTC · 24 km
M1.8
Cowlitz County
2026-07-27 · 11:04 UTC · 17 km
M2.4
Artondale
2026-07-25 · 10:04 UTC · 28 km
M1.6
Packwood
2026-07-24 · 18:15 UTC · 11 km
M1.5
Wahkiakum County
2026-07-24 · 16:18 UTC · 1 km
M1.6
Jefferson County
2026-07-23 · 22:05 UTC · 4 km
M1.9
Long
2026-07-22 · 22:17 UTC · 5 km
M0.0
Skamania County
2026-07-22 · 21:56 UTC · 7 km
M1.5
Stevens County
2026-07-22 · 20:16 UTC · -1 km
M1.0
Jefferson County
2026-07-22 · 17:14 UTC · 27 km
M2.1
Island County
2026-07-22 · 09:13 UTC · 25 km
M0.3
Pierce County
2026-07-22 · 03:11 UTC · 11 km
M1.7
Lewis County
2026-07-21 · 21:47 UTC · 18 km
M0.4
San Juan County
2026-07-21 · 19:49 UTC · 12 km
M1.2
San Juan County
2026-07-20 · 18:54 UTC · 12 km
M1.4
Island County
2026-07-20 · 15:38 UTC · 24 km
M1.1
San Juan County
2026-07-19 · 19:25 UTC · 12 km
M1.9
Clallam County
2026-07-19 · 10:45 UTC · 40 km
M2.2
Skamania County
2026-07-18 · 19:13 UTC · 5 km
M0.9
Skamania County
2026-07-18 · 18:42 UTC · 7 km
M1.1
Nesika (submerged)
2026-07-18 · 15:17 UTC · 13 km
M1.7
San Juan County
2026-07-18 · 09:59 UTC · 11 km
M2.1
Vancouver
2026-07-18 · 07:36 UTC · 14 km
M1.2
Prairie Ridge
2026-07-16 · 22:21 UTC · -1 km
M1.9
Grays Harbor County
2026-07-16 · 21:26 UTC · 0 km
M1.0
Shadow Lake
2026-07-16 · 18:58 UTC · 21 km
M0.4
Pierce County
2026-07-16 · 11:05 UTC · 2 km
M1.8
San Juan County
2026-07-15 · 23:25 UTC · 13 km
M0.4
Clallam County
2026-07-15 · 05:01 UTC · 2 km
M1.6
New Kamilche
2026-07-14 · 18:25 UTC · 0 km
M1.8
Cowlitz County
2026-07-14 · 05:36 UTC · 19 km
M1.3
Skamania County
2026-07-13 · 12:49 UTC · 9 km
M1.4
Kennewick
2026-07-10 · 18:54 UTC · 0 km
M1.8
Kittitas County
2026-07-10 · 18:34 UTC · -1 km
M1.8
Chelan County
2026-07-10 · 06:12 UTC · -1 km
M0.8
Pierce County
2026-07-09 · 17:09 UTC · 0 km
M2.7
Yakima County
2026-07-09 · 06:04 UTC · -1 km
M0.5
Pierce County
2026-07-08 · 23:18 UTC · 1 km
M1.1
Stevens County
2026-07-08 · 20:25 UTC · -1 km
M1.4
Clallam County
2026-07-07 · 17:33 UTC · 37 km
M1.4
Kitsap County
2026-07-06 · 15:32 UTC · 18 km
M1.6
Shoreline
2026-07-04 · 20:08 UTC · 19 km
M2.2
Island County
2026-07-04 · 15:39 UTC · 25 km
M2.4
Kingston
2026-07-03 · 15:55 UTC · 25 km
M1.6
Cowlitz County
2026-07-02 · 19:35 UTC · 0 km
M2.2
Mead
2026-07-02 · 18:57 UTC · -1 km
M2.0
Island County
2026-07-02 · 10:50 UTC · 25 km
M1.4
Island County
2026-07-02 · 07:07 UTC · 26 km
M0.6
Lewis County
2026-07-02 · 06:55 UTC · 2 km
M2.5
Island County
2026-07-02 · 06:48 UTC · 27 km
M3.8
Island County
2026-07-02 · 06:35 UTC · 27 km
M2.4
Island County
2026-07-02 · 06:34 UTC · 25 km
M1.7
Canyon Creek
2026-07-01 · 20:05 UTC · 0 km
M1.2
Grays Harbor County
2026-06-30 · 19:12 UTC · 15 km
M2.1
Kennewick
2026-06-30 · 18:04 UTC · 1 km
M0.8
Pierce County
2026-06-30 · 06:26 UTC · 1 km