QuakeIndex

Earthquake · reviewed by a seismologist

M 2.1ml

Earthquake near Banks, OR

No earthquake was likely felt in Banks in the 24 hours to 8:02 pm PST (04:02 UTC). The last one was M 2.2, 3 km (2 mi) SSW, at 1:37 pm PDT on 1 October 2025, estimated intensity III (weak) in town. Every earthquake near Banks

This page: a magnitude 2.1 earthquake was recorded in Banks, OR, at 3:48 pm PDT on 8 May 2025 (22:48 UTC), less than 1 km deep.

USGS: 1 km ESE of Banks, Oregon

36 km (22 mi) WNW of Portland, OR · 16 km (10 mi) NW of Hillsboro, OR

3:48 pm PDT, May 8, 2025 · · -0.4 km deep · released about 46 lb of TNT

10 km30 km60 km120 km N Washington County 7 kmColumbia County 37 kmYamhill County 44 kmClark County 51 kmMultnomah County 53 kmTillamook County 54 kmClatsop County 66 kmCowlitz County 73 kmWahkiakum County 80 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
3:48 pm PDT on 8 May 2025 ()
Where
in Banks, OR · earthquakes near Banks
Magnitude
M 2.1 (ml)
Depth
-0.4 km below the surface
Felt
no reports yet
Nearest
Washington County, 7 km S
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 552 days ago

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

At this magnitude and depth, people at rest would likely notice it out to about 17 km (11 mi) from the epicentre. Estimated from magnitude, depth and distance with the intensity equation USGS Did You Feel It? uses; felt reports, where there are any, are the measurement.

Earthquakes near other towns within 30 km: North Plains, Forest Grove, Cornelius, Hillsboro, Rockcreek, Bethany.

How big was it?

This earthquake released about 46 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 3.1 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 330,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 230,000× the energy of this one
  3. Around the size people start to feel M 3.0 21× the energy of this one
  4. This earthquake M 2.1 about 46 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.

For this area

No earthquake of M4 or more has been recorded within 50 km since our catalogue begins in 2016.

Before 2016, the USGS record lists 2 earthquakes of M5 or more within 50 km:

  1. 5.2 5 km E of Bridgeton, Oregon · 39 km E of this epicentre
  2. 5.0 3 km SW of Portland, Oregon · 33 km ESE of this epicentre

Since 2016: the QuakeIndex catalogue (US, M1.5+), built from the USGS FDSN event service. Before 2016: USGS ComCat, M5+ from 1900. Distances are between epicentres. This is the record, not a forecast.

Where

Epicentre 45.6125, -123.0970. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection from the epicentre
Washington County, OR 7 km (4 mi) S earthquakes near Washington County
Columbia County, OR 37 km (23 mi) N earthquakes near Columbia County
Yamhill County, OR 44 km (27 mi) SSW earthquakes near Yamhill County
Clark County, WA 51 km (31 mi) ENE earthquakes near Clark County
Multnomah County, OR 53 km (33 mi) E earthquakes near Multnomah County
Tillamook County, OR 54 km (34 mi) WSW earthquakes near Tillamook County

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

Aftershocks so far

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

  1. 1.7 13 km WSW of Vernonia, Oregon
  2. 1.3 1 km NE of Cherry Grove, Washington
  3. 1.6 26 km W of Banks, Oregon
  4. 1.3 3 km SSW of Tualatin, Oregon
  5. 1.7 27 km E of Wheeler, Oregon
  6. 1.2 4 km ENE of Lafayette, Oregon
  7. 0.9 3 km NE of Woodland, Washington
  8. 1.6 3 km W of Columbia City, Oregon
  9. 1.0 7 km NW of Yamhill, Oregon
  10. 3.0 3 km W of Columbia City, Oregon
  11. 0.9 6 km WNW of King City, Oregon
  12. 1.4 11 km NE of Vernonia, Oregon
  13. 0.9 11 km NNW of Vernonia, Oregon
  14. 1.1 4 km ENE of Lafayette, Oregon
  15. 1.4 9 km SSE of Scappoose, 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.