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M1.5 Depth: 15.4 km

M1.5 Earthquake near Mason County, Washington (United States)

UTC time: 2026-04-07 14:38:22 UTC Local time: —

About this earthquake

On April 7, 2026 at 14:38 UTC, a magnitude M1.5 earthquake occurred near Mason County, Washington (United States). The hypocenter lay relatively close to the surface at around 15 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: 179 earthquakes were recorded in the past 24 hours, the strongest reaching M4.0.

Map

Depth profile

Depth profile Depth: 15.4 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 15.4 km
Shallow
15.4 km
15.4 km — close to the regional average (15.8 km)
Regional average: 15.8 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: 128 km ·Stratovolcano ·Elevation: 4'392 m ·Last eruption: 1450 ·United States
  • St. Helens
    Distance: 163 km ·Stratovolcano ·Elevation: 2'549 m ·Last eruption: 2008 ·United States
  • Glacier Peak
    Distance: 166 km ·Stratovolcano ·Elevation: 3'213 m ·Last eruption: 1700 ·United States
  • Baker
    Distance: 172 km ·Stratovolcano(es) ·Elevation: 3'285 m ·Last eruption: 1880 ·United States
  • Adams
    Distance: 192 km ·Stratovolcano ·Elevation: 3'742 m ·Last eruption: 950 ·United States
  • West Crater
    Distance: 198 km ·Volcanic field ·Elevation: 1'329 m ·Last eruption: -5750 ·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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