QuakeIndex

Earthquake · reviewed by a seismologist

M 2.7ml

5 km NNW of Neah Bay, Washington

· 36 km deep · released about 320 lb of TNT

Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Clallam County 66 kmJefferson County 107 kmSan Juan County 114 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
Magnitude
M 2.7 (ml)
Depth
36 km below the surface
Felt
3 reports · strongest reported intensity II
Nearest
Clallam County, 66 km ESE
Nearest mapped fault
Calawah fault, 10 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 2952 days ago

This was a small earthquake. Shaking like this is often felt indoors nearby and very rarely causes damage. 3 people have reported feeling it to USGS.

How big was it?

This earthquake released about 320 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 3.7 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 48,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 34,000× the energy of this one
  3. Around the size people start to feel M 3.0 3× the energy of this one
  4. This earthquake M 2.7 about 320 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.

Where

Epicentre 48.4170, -124.6470. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Clallam County, WA 66 km (41 mi) WNW of here earthquakes near Clallam County
Jefferson County, WA 107 km (67 mi) NW of here earthquakes near Jefferson County
San Juan County, WA 114 km (71 mi) W of here earthquakes near San Juan County
Mason County, WA 162 km (100 mi) NW of here earthquakes near Mason County

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

Aftershocks so far

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

  1. 1.9 31 km NNW of Neah Bay, Washington
  2. 1.5 10 km SSE of Neah Bay, Washington
  3. 1.7 37 km WNW of Neah Bay, Washington
  4. 1.6 11 km ESE of Clallam Bay, Washington
  5. 2.4 40 km SE of Ucluelet, Canada
  6. 2.0 20 km W of Neah Bay, Washington
  7. 1.6 33 km WSW of Neah Bay, Washington
  8. 2.3 25 km WSW of Neah Bay, Washington
  9. 1.8 32 km W of Neah Bay, Washington
  10. 2.4 29 km WSW of Neah Bay, Washington
  11. 1.9 Vancouver Island, Canada region
  12. 3.0 25 km WNW of Forks, Washington
  13. 1.8 32 km NW of Neah Bay, Washington
  14. 2.0 Vancouver Island, Canada region
  15. 3.5 26 km WNW of Forks, 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.