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United States · Washington

M1.9 Earthquake near Jefferson County, Washington (United States)

UTC time: 2026-08-27 07:15:29 UTC Local time: —

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About this earthquake

On August 27, 2026 at 07:15 UTC, a magnitude M1.9 earthquake occurred near Jefferson County, Washington (United States). The hypocenter lay relatively close to the surface at around 22 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 179 earthquakes, the strongest at M4.6.

Details

ID
adf624bec1d2d8f6fd209ac77d1e92ca828a89f0
Magnitude
M1.9
Depth
22.1 km
UTC time
2026-08-27 07:15:29 UTC
Local time
—
Country
United States
State
Washington
City
Jefferson County
County
Jefferson County
Source
usgs
Coordinates
47.71183, -123.64066
Temperature
9.9°C

Depth profile

Depth profile Depth: 22.1 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 22.1 km
Shallow
22.1 km
22.1 km — deeper 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: 171 km ·Stratovolcano ·Elevation: 4'392 m ·Last eruption: 1450 ·United States
  • Baker
    Distance: 180 km ·Stratovolcano(es) ·Elevation: 3'285 m ·Last eruption: 1880 ·United States
  • Glacier Peak
    Distance: 194 km ·Stratovolcano ·Elevation: 3'213 m ·Last eruption: 1700 ·United States
  • St. Helens
    Distance: 201 km ·Stratovolcano ·Elevation: 2'549 m ·Last eruption: 2008 ·United States
  • Adams
    Distance: 234 km ·Stratovolcano ·Elevation: 3'742 m ·Last eruption: 950 ·United States
  • West Crater
    Distance: 236 km ·Volcanic field ·Elevation: 1'329 m ·Last eruption: -5750 ·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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Country statistics · United States

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