United States – Cowlitz County

This page summarizes earthquakes in Cowlitz County (United States). The most recently recorded event was a magnitude M0.3 earthquake near Cowlitz County on 2026-07-31 05:12:57 UTC. All event lists and map markers are limited to the last 30 days.

Earthquakes (last 30 days)
8
Max magnitude (last 30 days)
M1.8
Avg magnitude (last 30 days)
M1.00
Avg depth (last 30 days)
13 km
Seismic activity in 2026

In 2026, Cowlitz County recorded 20 earthquakes within United States. The average magnitude was M0.91. The strongest event reached M1.8.

Located on the North America Plate.

Map (last 30 days)
< 2 2–4 4–5 ≥ 5
Earthquakes in Cowlitz County (last 30 days)
M0.3
Cowlitz County
2026-07-31 · 05:12 UTC · 12 km
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M-0.1
Cowlitz County
2026-07-31 · 04:37 UTC · 15 km
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M-0.1
Cowlitz County
2026-07-30 · 15:57 UTC · 13 km
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M1.3
Cowlitz County
2026-07-30 · 01:44 UTC · 14 km
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M1.4
Cowlitz County
2026-07-28 · 07:23 UTC · 17 km
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M1.8
Cowlitz County
2026-07-27 · 11:04 UTC · 17 km
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M1.8
Cowlitz County
2026-07-14 · 05:36 UTC · 19 km
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M1.6
Cowlitz County
2026-07-02 · 19:35 UTC · 0 km
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