QuakeIndex

Earthquake · reviewed by a seismologist

M 1.6ml

Earthquake near Port Angeles, WA

No earthquake was likely felt in Port Angeles in the 24 hours to 7:22 pm PST (03:22 UTC). The last one was M 4.2, 96 km (60 mi) SE, at 2:05 pm PDT on 29 September 2026, estimated intensity II (weak) in town; 9,329 felt reports to USGS. Every earthquake near Port Angeles

This page: a magnitude 1.6 earthquake was recorded 32 km (20 mi) south-southeast of Port Angeles, WA, at 9:45 pm PDT on 19 August 2025 (04:45 UTC), 42 km deep.

USGS: 24 km SSW of River Road, Washington

72 km (45 mi) WNW of Seattle, WA

9:45 pm PDT, Aug 19, 2025 · · 42 km deep · released about 7.6 lb of TNT

10 km30 km60 km120 km N Jefferson County 22 kmKitsap County 51 kmIsland County 54 kmClallam County 55 kmMason County 57 kmSan Juan County 73 kmGrays Harbor County 94 kmThurston County 108 kmSnohomish County 113 km
Distance rings around the epicentre, with the nearest towns at their true direction and later quakes as coloured dots. Not a shaking map — see the USGS ShakeMap for that.
When
9:45 pm PDT on 19 August 2025 ()
Where
32 km (20 mi) south-southeast of Port Angeles, WA · earthquakes near Port Angeles
Magnitude
M 1.6 (ml)
Depth
42 km below the surface
Felt
no reports yet
Nearest
Jefferson County, 22 km WSW
Nearest mapped fault
Lake Creek-Boundary Creek fault, 19 km from its surface trace — near is not the same as on
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 434 days ago

This was a minor earthquake. Quakes this small are rarely felt and do not cause damage.

At this magnitude and depth it was probably too small to be felt, even directly above it. In Port Angeles, 32 km away, the estimate is intensity I (not felt). Estimated from magnitude, depth and distance with the intensity equation USGS Did You Feel It? uses; felt reports, where there are any, are the measurement.

Earthquakes near other towns within 30 km: Sequim, Port Angeles East.

How big was it?

This earthquake released about 7.6 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 2.6 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 2,000,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 1,400,000× the energy of this one
  3. Around the size people start to feel M 3.0 130× the energy of this one
  4. This earthquake M 1.6 about 7.6 lb of TNT

Energy from the Gutenberg–Richter relation (log10E = 1.5M + 4.8), rounded to two figures; bar length is magnitude, which is already a logarithm of energy. Magnitudes of past earthquakes from the USGS catalogue.

For this area

The largest earthquake within 50 km since 2016 was M 4.3 on 2023-10-09 — about 12,000 times the energy of this one.

Before 2016, the USGS record lists one earthquake of M5 or more within 50 km:

  1. 5.3 Eastern Olympic Peninsula, Washington · 20 km ESE of this epicentre

Since 2016: the QuakeIndex catalogue (US, M1.5+), built from the USGS FDSN event service. Before 2016: USGS ComCat, M5+ from 1900. Distances are between epicentres. This is the record, not a forecast.

Where

Epicentre 47.8607, -123.2507. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection from the epicentre
Jefferson County, WA 22 km (13 mi) WSW earthquakes near Jefferson County
Kitsap County, WA 51 km (32 mi) ESE earthquakes near Kitsap County
Island County, WA 54 km (34 mi) NE earthquakes near Island County
Clallam County, WA 55 km (34 mi) WNW earthquakes near Clallam County
Mason County, WA 57 km (35 mi) S earthquakes near Mason County
San Juan County, WA 73 km (45 mi) N earthquakes near San Juan County

Places and coordinates from the US Census Bureau Gazetteer (2024). Distances are from the epicentre.

Aftershocks so far

50 earthquakes have been recorded within 50 km since this one.

  1. 0.7 0 km SSW of Chico, Washington
  2. 0.9 5 km NNW of Bangor Trident Base, Washington
  3. 1.1 7 km NNW of Bangor Trident Base, Washington
  4. 0.5 3 km ESE of Quilcene, Washington
  5. 0.7 7 km NNE of Brinnon, Washington
  6. 0.9 25 km NE of Amanda Park, Washington
  7. 1.1 4 km WSW of Chico, Washington
  8. 0.8 2 km W of Erlands Point-Kitsap Lake, Washington
  9. 0.7 3 km W of Erlands Point-Kitsap Lake, Washington
  10. 0.2 6 km E of Quilcene, Washington
  11. 0.6 10 km SSW of Brinnon, Washington
  12. 0.1 7 km NNE of Brinnon, Washington
  13. 1.0 34 km SSW of Port Angeles, Washington
  14. 1.2 5 km SSW of Port Ludlow, Washington
  15. 0.4 11 km NE of Hoodsport, Washington

Counted from the QuakeIndex database, which ingests the USGS feed every 30 seconds · as of . QuakeIndex does not forecast aftershocks. When USGS issues an operational aftershock forecast it appears on the USGS event page.

On USGS

QuakeIndex does not issue warnings. For earthquake early warning see ShakeAlert.