QuakeIndex

Earthquake · reviewed by a seismologist

M 4.3ml

Earthquake near Joseph, OR

Yes. A magnitude 4.3 earthquake was recorded 18 km (11 mi) southeast of Joseph, OR, at 11:42 pm PST on 9 November 2026 (07:42 UTC), 12 km deep. 102 people have reported feeling it to USGS.

USGS: 18 km SE of Joseph, Oregon

11:42 pm PST, Nov 9, 2026 · · 12 km deep · released about 43 tons of TNT

10 km30 km60 km120 km N Wallowa County 39 kmAdams County 62 kmUnion County 75 kmBaker County 80 kmWashington County 92 kmAsotin County 104 kmLewis County 119 km
Distance rings around the epicentre, with the nearest towns at their true direction. Not a shaking map — see the USGS ShakeMap for that.
When
11:42 pm PST on 9 November 2026 ()
Where
18 km (11 mi) southeast of Joseph, OR · earthquakes near Joseph
Magnitude
M 4.3 (ml)
Depth
12 km below the surface
Felt
102 reports · strongest reported intensity IV
Measured shaking
intensity IV (ShakeMap)
USGS impact alert
green
Nearest
Wallowa County, 39 km NNW
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 11 hours ago

This was a light earthquake. It is usually felt clearly nearby and can rattle windows and dishes, but damage is uncommon.

At this magnitude and depth, people at rest would likely notice it out to about 121 km (75 mi) from the epicentre. In Joseph, 18 km away, the estimate is intensity III (weak). 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.

Likely felt in: Enterprise 26 km, intensity III. Estimated for each town centre; each link is that town's own record.

How big was it?

This earthquake released about 43 tons of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 5.3 would have released about 32 times as much.

  1. Northridge, California 1994 M 6.7 4,000× the energy of this one
  2. Mineral, Virginia 2011 M 5.8 180× the energy of this one
  3. Magna, Utah 2020 M 5.7 130× the energy of this one
  4. This earthquake M 4.3 about 43 tons of TNT
  5. Around the size people start to feel M 3.0 this one released 89× more

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

The largest earthquake within 50 km (31 mi) since our catalogue begins in 2016. No other earthquake of M4 or more has been recorded this close in that time.

Before 2016, the USGS record since 1900 lists no earthquake of M5 or more within 50 km.

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 45.2592, -117.0380. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection from the epicentre
Wallowa County, OR 39 km (24 mi) NNW earthquakes near Wallowa County
Adams County, ID 62 km (39 mi) SE earthquakes near Adams County
Union County, OR 75 km (47 mi) W earthquakes near Union County
Baker County, OR 80 km (50 mi) SW earthquakes near Baker County
Washington County, ID 92 km (57 mi) SSE earthquakes near Washington County
Asotin County, WA 104 km (64 mi) N earthquakes near Asotin County

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

Aftershocks so far

No further earthquakes have been recorded within 50 km since this one.

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.

Revisions

USGS refines a solution as more stations report. Every change we have seen is listed here.

What changedFromToWhen
felt reports101102
felt reports100101
felt reports98100
measured intensity4.164.2
location19 km ESE of Joseph, Oregon18 km SE of Joseph, Oregon
longitude-117.02-117.04
latitude45.2745.26
depth2.5211.67
magnitude4.294.3
felt reports9798
felt reports9697
felt reports9496

On USGS

QuakeIndex does not issue warnings. For earthquake early warning see ShakeAlert.