QuakeIndex

Earthquake · reviewed by a seismologist

M 1.9ml

2 km ENE of Silverton, Oregon

· 19 km deep · released about 19 lb of TNT

Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Marion County 18 kmClackamas County 47 kmYamhill County 52 kmPolk County 53 kmLinn County 60 kmMultnomah County 65 kmWashington County 66 kmBenton County 78 kmClark 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 1.9 (ml)
Depth
19 km below the surface
Felt
no reports yet
Nearest
Marion County, 18 km SE
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 1006 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 19 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 5.8 790,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 560,000× the energy of this one
  3. Around the size people start to feel M 3.0 50× the energy of this one
  4. This earthquake M 1.9 about 19 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 45.0113, -122.7500. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Marion County, OR 18 km (11 mi) NW of here earthquakes near Marion County
Clackamas County, OR 47 km (29 mi) WSW of here earthquakes near Clackamas County
Yamhill County, OR 52 km (32 mi) ESE of here earthquakes near Yamhill County
Polk County, OR 53 km (33 mi) ENE of here earthquakes near Polk County
Linn County, OR 60 km (38 mi) NNW of here earthquakes near Linn County
Multnomah County, OR 65 km (40 mi) SSW of here earthquakes near Multnomah County

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

Aftershocks so far

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

  1. 1.8 8 km ESE of Scotts Mills, Oregon
  2. 1.7 4 km NNE of Lafayette, Oregon
  3. 1.6 6 km SSE of Molalla, Oregon
  4. 1.6 4 km ENE of Lafayette, Oregon
  5. 1.7 5 km W of Mehama, Oregon
  6. 1.5 27 km NNE of Gates, Oregon
  7. 2.0 4 km N of Newberg, Oregon
  8. 1.7 4 km NE of Lafayette, Oregon
  9. 1.5 2 km WSW of Stafford, Oregon
  10. 2.1 2 km WSW of Jefferson, Oregon
  11. 1.7 14 km N of Mehama, Oregon
  12. 1.7 9 km SSW of Saint Paul, Oregon
  13. 1.8 10 km ESE of Molalla, Oregon
  14. 1.7 4 km ENE of Lafayette, Oregon
  15. 1.7 5 km W of Mehama, 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.