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M0.6 Depth: 16.2 km

M0.6 Earthquake near 1 km W of City of Sammamish, Washington (United States)

UTC time: 2025-12-31 03:52:53 UTC Local time: —

About this earthquake

A magnitude M0.6 earthquake was recorded near 1 km W of City of Sammamish, Washington (United States) on December 31, 2025 at 03:52 UTC. The hypocenter lay relatively close to the surface at around 16 km, increasing how strongly it was felt. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The event was recorded by USGS. United States: over the past 24 hours, QuakeMap24 logged 193 earthquakes, the strongest at M4.3.

Details

Magnitude
M0.6
Depth
16.2 km
UTC time
2025-12-31 03:52:53 UTC
Local time
—
Country
United States
City
Washington
Source
usgs
Coordinates
47.60200, -122.05700
Temperature
5.7°C

Map

Depth profile

Depth profile Depth: 16.2 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 16.2 km
Shallow
16.2 km
16.2 km — close to the regional average (15.7 km)
Regional average: 15.7 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: 86 km ·Stratovolcano ·Elevation: 4'392 m ·Last eruption: 1450 ·United States
  • Glacier Peak
    Distance: 90 km ·Stratovolcano ·Elevation: 3'213 m ·Last eruption: 1700 ·United States
  • Baker
    Distance: 132 km ·Stratovolcano(es) ·Elevation: 3'285 m ·Last eruption: 1880 ·United States
  • St. Helens
    Distance: 156 km ·Stratovolcano ·Elevation: 2'549 m ·Last eruption: 2008 ·United States
  • Adams
    Distance: 161 km ·Stratovolcano ·Elevation: 3'742 m ·Last eruption: 950 ·United States
  • Indian Heaven
    Distance: 187 km ·Volcanic field ·Elevation: 1'806 m ·Last eruption: -6250 ·United States

Historic earthquake map · United States

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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.

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