Back to map
United States · Washington

M0.5 Earthquake near Pierce County, Washington (United States)

UTC time: 2026-10-23 18:36:29 UTC Local time: —

Map

About this earthquake

On October 23, 2026 at 18:36 UTC, a magnitude M0.5 earthquake occurred near Pierce County, Washington (United States). With a focal depth of about 12 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: over the past 24 hours, QuakeMap24 logged 164 earthquakes, the strongest at M4.2.

Details

ID
70d8ebe3b100242181e4bfe5040a19af72f5b69a
Magnitude
M0.5
Depth
11.8 km
UTC time
2026-10-23 18:36:29 UTC
Local time
—
Country
United States
State
Washington
City
Pierce County
County
Pierce County
Source
usgs
Coordinates
46.90617, -121.92800
Temperature
9.7°C

Depth profile

Depth profile Depth: 11.8 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 11.8 km
Shallow
11.8 km
11.8 km — shallower than the regional average (15.3 km)
Regional average: 15.3 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: 14 km ·Stratovolcano ·Elevation: 4'392 m ·Last eruption: 1450 ·United States
  • St. Helens
    Distance: 81 km ·Stratovolcano ·Elevation: 2'549 m ·Last eruption: 2008 ·United States
  • Adams
    Distance: 85 km ·Stratovolcano ·Elevation: 3'742 m ·Last eruption: 950 ·United States
  • Indian Heaven
    Distance: 109 km ·Volcanic field ·Elevation: 1'806 m ·Last eruption: -6250 ·United States
  • West Crater
    Distance: 115 km ·Volcanic field ·Elevation: 1'329 m ·Last eruption: -5750 ·United States
  • Glacier Peak
    Distance: 147 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.

Open seismic profile

Historic earthquake map · United States

Open history map
Explore recent and long-term earthquake activity in this country. Use filters to narrow down by magnitude, depth, and date range.

Country statistics · United States

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

Share