QuakeIndex

Earthquake · reviewed by a seismologist

M 1.2ml

Earthquake near Carson, WA

No earthquake was likely felt in Carson in the 24 hours to 6:20 am PST (14:20 UTC). The last one was M 1.6, 3 km (2 mi) NW, at 3:08 pm PDT on 25 May 2022, estimated intensity II (weak) in town. Every earthquake near Carson

This page: a magnitude 1.2 earthquake was recorded 4 km (2 mi) south of Carson, WA, at 12:41 am PDT on 29 October 2026 (07:41 UTC), 11 km deep.

USGS: 3 km S of Carson, Washington

67 km (42 mi) ENE of Portland, OR · 53 km (33 mi) ENE of Gresham, OR

12:41 am PDT, Oct 29, 2026 · · 11 km deep · released about 1.7 lb of TNT

10 km30 km60 km120 km N Hood River County 23 kmSkamania County 39 kmMultnomah County 49 kmClark County 53 kmClackamas County 66 kmWasco County 77 kmKlickitat County 83 kmCowlitz County 87 kmSherman County 94 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
12:41 am PDT on 29 October 2026 ()
Where
4 km (2 mi) south of Carson, WA · earthquakes near Carson
Magnitude
M 1.2 (ml)
Depth
11 km below the surface
Felt
no reports yet
Nearest
Hood River County, 23 km SSE
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 14 days ago

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

At this magnitude and depth it was probably too small to be felt, even directly above it. 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: Stevenson, Cascade Locks, Odell, Hood River, White Salmon.

How big was it?

This earthquake released about 1.7 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 2.2 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 8,800,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 6,200,000× the energy of this one
  3. Around the size people start to feel M 3.0 560× the energy of this one
  4. This earthquake M 1.2 about 1.7 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 one earthquake of M5 or more within 50 km:

  1. 5.1 28 km ENE of Amboy, Washington · 44 km NNW 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 45.6910, -121.8150. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection from the epicentre
Hood River County, OR 23 km (15 mi) SSE earthquakes near Hood River County
Skamania County, WA 39 km (24 mi) NNW earthquakes near Skamania County
Multnomah County, OR 49 km (31 mi) WSW earthquakes near Multnomah County
Clark County, WA 53 km (33 mi) W earthquakes near Clark County
Clackamas County, OR 66 km (41 mi) SSW earthquakes near Clackamas County
Wasco County, OR 77 km (48 mi) SE earthquakes near Wasco County

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

Aftershocks so far

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

  1. 0.5 10 km ENE of Amboy, Washington
  2. 0.4 34 km NE of Amboy, 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.