United States – Mason County

This page summarizes earthquakes in Mason County (United States). The most recently recorded event was a magnitude — earthquake near United States on —. All event lists and map markers are limited to the last 30 days.

Earthquakes (last 30 days)
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Max magnitude (last 30 days)
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Avg magnitude (last 30 days)
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Avg depth (last 30 days)
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Seismic activity in 2026

In 2026, Mason County recorded 14 earthquakes within United States. The average magnitude was M1.46. The strongest event reached M2.6.

Map (last 30 days)
< 2 2–4 4–5 ≥ 5
No map markers available for this period.
Earthquakes in Mason County (last 30 days)
No events found in this region for the last 30 days.