QuakeIndex

Earthquake · reviewed by a seismologist

M 1.9ml

1 km NNW of Battle Ground, Washington

· 0.8 km deep · released about 25 lb of TNT

Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Clark County 5 kmMultnomah County 29 kmColumbia County 45 kmCowlitz County 46 kmWashington County 51 kmSkamania County 52 kmClackamas County 75 kmHood River County 75 kmYamhill County 86 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 1.9 (ml)
Depth
0.8 km below the surface
Felt
1 report · strongest reported intensity III
Nearest
Clark County, 5 km ESE
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 290 days ago

This was a minor earthquake. Quakes this small are rarely felt and do not cause damage. 1 person has reported feeling it to USGS.

How big was it?

This earthquake released about 25 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 2.9 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 620,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 440,000× the energy of this one
  3. Around the size people start to feel M 3.0 39× the energy of this one
  4. This earthquake M 1.9 about 25 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 45.7925, -122.5372. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Clark County, WA 5 km (3 mi) WNW of here earthquakes near Clark County
Multnomah County, OR 29 km (18 mi) NNW of here earthquakes near Multnomah County
Columbia County, OR 45 km (28 mi) ESE of here earthquakes near Columbia County
Cowlitz County, WA 46 km (29 mi) SSE of here earthquakes near Cowlitz County
Washington County, OR 51 km (32 mi) ENE of here earthquakes near Washington County
Skamania County, WA 52 km (32 mi) WSW of here earthquakes near Skamania County

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

Aftershocks so far

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

  1. 1.7 18 km N of Amboy, Washington
  2. 0.3 32 km NE of Amboy, Washington
  3. 0.7 21 km ESE of Castle Rock, Washington
  4. 1.0 32 km NNE of Amboy, Washington
  5. 1.5 31 km E of Kelso, Washington
  6. 2.2 27 km ENE of Yacolt, Washington
  7. 2.0 10 km SSE of Scappoose, Oregon
  8. 1.6 5 km WSW of Yacolt, Washington
  9. 1.6 32 km N of Amboy, Washington
  10. 1.8 4 km WSW of Yacolt, Washington
  11. 1.8 27 km N of Amboy, Washington
  12. 2.1 4 km W of Yacolt, Washington
  13. 1.8 3 km E of Kalama, Washington
  14. 1.5 3 km WSW of Kalama, Washington
  15. 1.6 2 km NE of Lewisville, 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.