QuakeIndex

Earthquake · reviewed by a seismologist

M 1.8ml

7 km SE of Queets, Washington

· 25 km deep · released about 16 lb of TNT

10 km30 km60 km120 km N Grays Harbor County 54 kmJefferson County 65 kmClallam County 74 kmMason County 83 kmPacific County 110 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 1.8 (ml)
Depth
25 km below the surface
Felt
no reports yet
Nearest
Grays Harbor County, 54 km SE
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 432 days ago

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

How big was it?

This earthquake released about 16 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 2.8 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 970,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 680,000× the energy of this one
  3. Around the size people start to feel M 3.0 61× the energy of this one
  4. This earthquake M 1.8 about 16 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 47.4935, -124.2627. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Grays Harbor County, WA 54 km (33 mi) NW of here earthquakes near Grays Harbor County
Jefferson County, WA 65 km (40 mi) WSW of here earthquakes near Jefferson County
Clallam County, WA 74 km (46 mi) SSW of here earthquakes near Clallam County
Mason County, WA 83 km (52 mi) WNW of here earthquakes near Mason County
Pacific County, WA 110 km (69 mi) NNW of here earthquakes near Pacific County
Thurston County, WA 125 km (77 mi) WNW of here earthquakes near Thurston County

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

Aftershocks so far

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

  1. 1.8 2 km WSW of Ocean City, Washington
  2. 1.6 16 km NNW of Queets, Washington
  3. 1.7 12 km S of Forks, Washington
  4. 1.5 6 km E of Queets, Washington
  5. 1.6 20 km N of Queets, Washington
  6. 1.7 12 km NNW of Humptulips, Washington
  7. 2.2 12 km ENE of Humptulips, Washington
  8. 1.6 5 km WNW of Humptulips, Washington
  9. 1.5 2 km ESE of Humptulips, Washington
  10. 1.6 9 km NE of Humptulips, Washington
  11. 1.7 12 km NE of Santiago, Washington
  12. 1.6 4 km WSW of Forks, Washington
  13. 2.0 9 km NE of Santiago, Washington
  14. 1.5 12 km NNW of Amanda Park, Washington
  15. 1.6 15 km NNE of Amanda Park, 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.