United States – Washington

This page summarizes earthquakes in Washington (United States). The most recently recorded event was a magnitude M1.6 earthquake near Cowlitz County on 2026-06-14 20:45:12 UTC. All event lists and map markers are limited to the last 30 days.

Earthquakes (last 30 days)
23
Max magnitude (last 30 days)
M2.8
Avg magnitude (last 30 days)
M1.49
Avg depth (last 30 days)
10 km
Seismic activity in 2026

In 2026, Washington recorded 178 earthquakes within United States. The average magnitude was M1.39. The strongest event reached M3.0.

By event count in 2026, this region ranks #8 within United States.

Map (last 30 days)
< 2 2–4 4–5 ≥ 5
Earthquakes in Washington (last 30 days)
M1.6
Cowlitz County
2026-06-14 · 20:45 UTC · 7 km
›
M1.6
Lewis County
2026-06-12 · 18:59 UTC · 15 km
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M2.5
Whatcom County
2026-06-11 · 14:37 UTC · 0 km
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M1.4
King County
2026-06-08 · 19:52 UTC · 17 km
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M1.6
Maple Valley
2026-06-05 · 04:14 UTC · 5 km
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M2.0
Lewis County
2026-06-04 · 13:46 UTC · 12 km
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M1.7
Klickitat County
2026-06-04 · 00:50 UTC · -1 km
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M0.5
Pierce County
2026-06-03 · 23:23 UTC · 3 km
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M1.8
Cowlitz County
2026-06-02 · 22:09 UTC · 7 km
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M1.7
Pend Oreille County
2026-06-02 · 19:10 UTC · -1 km
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M2.2
Guemes
2026-06-02 · 08:44 UTC · 13 km
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M1.6
Kitsap County
2026-05-30 · 12:54 UTC · 20 km
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M2.8
Sunshine Beach
2026-05-27 · 22:48 UTC · 28 km
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M1.1
Pierce County
2026-05-27 · 01:08 UTC · -1 km
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M1.4
Barco
2026-05-26 · 17:01 UTC · 7 km
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M1.1
Lewis County
2026-05-26 · 16:24 UTC · 17 km
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M1.8
Lewis County
2026-05-23 · 17:19 UTC · 19 km
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M0.1
Skamania County
2026-05-20 · 17:59 UTC · -2 km
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M0.2
Pierce County
2026-05-18 · 18:32 UTC · 1 km
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M1.0
Reiter
2026-05-18 · 17:10 UTC · 9 km
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M1.1
New Kamilche
2026-05-18 · 16:45 UTC · 0 km
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M1.7
Bellevue
2026-05-16 · 19:13 UTC · 29 km
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M2.0
Clyde Hill
2026-05-16 · 19:13 UTC · 28 km
›