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M0.9 Depth: 0.8 km

M0.9 Earthquake near Pierce County, Washington (United States)

UTC time: 2026-08-21 14:17:56 UTC Local time: —

About this earthquake

On August 21, 2026 at 14:17 UTC, a magnitude M0.9 earthquake occurred near Pierce County, Washington (United States). With a focal depth of about 1 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size typically go unnoticed.

The event was recorded by USGS. United States: 209 earthquakes were recorded in the past 24 hours, the strongest reaching M3.3.

Map

Depth profile

Depth profile Depth: 0.8 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 0.8 km
Shallow
0.8 km
0.8 km — shallower than the regional average (15.4 km)
Regional average: 15.4 km
Why depth matters

Shallow quakes release energy near the surface — shaking is felt more strongly and damage potential is higher.

Depth classes per USGS

Volcanoes nearby

  • Rainier
    Distance: 1 km ·Stratovolcano ·Elevation: 4'392 m ·Last eruption: 1450 ·United States
  • Adams
    Distance: 75 km ·Stratovolcano ·Elevation: 3'742 m ·Last eruption: 950 ·United States
  • St. Helens
    Distance: 79 km ·Stratovolcano ·Elevation: 2'549 m ·Last eruption: 2008 ·United States
  • Indian Heaven
    Distance: 103 km ·Volcanic field ·Elevation: 1'806 m ·Last eruption: -6250 ·United States
  • West Crater
    Distance: 111 km ·Volcanic field ·Elevation: 1'329 m ·Last eruption: -5750 ·United States
  • Glacier Peak
    Distance: 149 km ·Stratovolcano ·Elevation: 3'213 m ·Last eruption: 1700 ·United States

Historic earthquake map · United States

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Country statistics · United States

Country overview
View earthquake KPIs, strongest and latest events, and averages for this country.

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