QuakeIndex

Earthquake · reviewed by a seismologist

M 1.5ml

7 km ESE of Estacada, Oregon

· 2.5 km deep · released about 5.4 lb of TNT

Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Clackamas County 12 kmMultnomah County 34 kmMarion County 48 kmHood River County 54 kmClark County 59 kmWashington County 74 kmYamhill County 84 kmWasco County 86 kmSkamania County 87 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 1.5 (ml)
Depth
2.5 km below the surface
Felt
no reports yet
Nearest
Clackamas County, 12 km SSE
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 1424 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 5.4 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 2.5 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 2,800,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 2,000,000× the energy of this one
  3. Around the size people start to feel M 3.0 180× the energy of this one
  4. This earthquake M 1.5 about 5.4 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 45.2662, -122.2472. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Clackamas County, OR 12 km (8 mi) NNW of here earthquakes near Clackamas County
Multnomah County, OR 34 km (21 mi) SSE of here earthquakes near Multnomah County
Marion County, OR 48 km (30 mi) NNE of here earthquakes near Marion County
Hood River County, OR 54 km (33 mi) WSW of here earthquakes near Hood River County
Clark County, WA 59 km (37 mi) SSE of here earthquakes near Clark County
Washington County, OR 74 km (46 mi) ESE of here earthquakes near Washington County

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

Aftershocks so far

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

  1. 1.7 14 km N of Mehama, Oregon
  2. 1.9 8 km NNE of Government Camp, Oregon
  3. 1.8 10 km ESE of Molalla, Oregon
  4. 1.6 3 km NNE of Washougal, Washington
  5. 1.9 7 km ESE of Molalla, Oregon
  6. 1.6 2 km E of Government Camp, Oregon
  7. 1.8 2 km E of Government Camp, Oregon
  8. 1.6 1 km E of Government Camp, Oregon
  9. 1.7 4 km ENE of Molalla, Oregon
  10. 1.8 5 km ENE of Molalla, Oregon
  11. 2.1 5 km ENE of Molalla, Oregon
  12. 2.0 2 km NE of Estacada, Oregon
  13. 1.6 8 km ESE of Molalla, Oregon
  14. 1.8 3 km WNW of Mulino, Oregon
  15. 1.9 4 km ESE of Beavercreek, Oregon

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.