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United States · Washington

M2.1 Earthquake near Pierce County, Washington (United States)

UTC time: 2026-10-31 14:09:29 UTC Local time: —

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About this earthquake

A magnitude M2.1 earthquake was recorded near Pierce County, Washington (United States) on October 31, 2026 at 14:09 UTC. The hypocenter lay relatively close to the surface at around 9 km, increasing how strongly it was felt. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The data is provided by USGS and cross-checked across seismological networks. United States: 195 earthquakes were recorded in the past 24 hours, the strongest reaching M4.3.

Details

ID
ba490b1899b5d5acc1d2b419b84c0e42a85b9fa6
Magnitude
M2.1
Depth
8.9 km
UTC time
2026-10-31 14:09:29 UTC
Local time
—
Country
United States
State
Washington
City
Pierce County
County
Pierce County
Source
usgs
Coordinates
46.81533, -121.91116
Temperature
3.7°C

Depth profile

Depth profile Depth: 8.9 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 8.9 km
Shallow
8.9 km
8.9 km — shallower than the regional average (15.2 km)
Regional average: 15.2 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: 12 km ·Stratovolcano ·Elevation: 4'392 m ·Last eruption: 1450 ·United States
  • St. Helens
    Distance: 71 km ·Stratovolcano ·Elevation: 2'549 m ·Last eruption: 2008 ·United States
  • Adams
    Distance: 75 km ·Stratovolcano ·Elevation: 3'742 m ·Last eruption: 950 ·United States
  • Indian Heaven
    Distance: 99 km ·Volcanic field ·Elevation: 1'806 m ·Last eruption: -6250 ·United States
  • West Crater
    Distance: 105 km ·Volcanic field ·Elevation: 1'329 m ·Last eruption: -5750 ·United States
  • Glacier Peak
    Distance: 156 km ·Stratovolcano ·Elevation: 3'213 m ·Last eruption: 1700 ·United States

Washington

Context for this earthquake

05 Oct 2025 – 05 Oct 2026 · M ≥ 2.0 · 89 Catalogue entries

Sufficiently reliable matching data are not currently available for a direct comparison. The area profile shows the available records and their limitations.

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Historic earthquake map · United States

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