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M4.0 Earthquake near off the coast of Oregon

UTC time: 2025-09-29 08:31:52 UTC Local time: —
Magnitude
M4.0
Depth
10.0 km
Source
USGS

off the coast of Oregon

Map

About this earthquake

A magnitude M4.0 earthquake was recorded near off the coast of Oregon on September 29, 2025 at 08:31 UTC. The hypocenter lay relatively close to the surface at around 10 km, increasing how strongly it was felt. Earthquakes of this magnitude are clearly felt; minor damage to vulnerable buildings is possible.

The data is provided by USGS and cross-checked across seismological networks.

Details

ID
c44cb7c706a3dd7f6509c3584cfd18cb339f016f
Magnitude
M4.0
Depth
10.0 km
UTC time
2025-09-29 08:31:52 UTC
Local time
—
Country
—
Source
usgs
Coordinates
43.33100, -128.14350
Temperature
16.6°C

Depth profile

Depth profile Depth: 10 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 10 km
Shallow
10 km
Why depth matters

Shallow quakes release energy near the surface — shaking is felt more strongly and damage potential is higher.

Depth classes per USGS

Official USGS aftershock forecast

Probability of at least one aftershock at or above the specified magnitude during the entire stated time window. This does not predict an individual earthquake.

Issued: Sep 7, 2026, 8:31 AM UTC · Last checked: Sep 7, 2026, 9:07 AM UTC

Sep 7, 2026, 9:00 AM UTC – Sep 8, 2026, 9:00 AM UTC
MagnitudeProbability ≥ 1Count (95% interval)
M ≥ 3.0< 0.01 %0–0
M ≥ 4.0< 0.01 %0–0
M ≥ 5.0< 0.01 %0–0
M ≥ 6.0< 0.01 %0–0
M ≥ 7.0< 0.01 %0–0
Sep 7, 2026, 9:00 AM UTC – Sep 14, 2026, 9:00 AM UTC
MagnitudeProbability ≥ 1Count (95% interval)
M ≥ 3.00.02 %0–0
M ≥ 4.0< 0.01 %0–0
M ≥ 5.0< 0.01 %0–0
M ≥ 6.0< 0.01 %0–0
M ≥ 7.0< 0.01 %0–0
Sep 7, 2026, 9:00 AM UTC – Oct 7, 2026, 9:00 AM UTC
MagnitudeProbability ≥ 1Count (95% interval)
M ≥ 3.00.09 %0–0
M ≥ 4.0< 0.01 %0–0
M ≥ 5.0< 0.01 %0–0
M ≥ 6.0< 0.01 %0–0
M ≥ 7.0< 0.01 %0–0
Sep 7, 2026, 9:00 AM UTC – Sep 7, 2027, 9:00 AM UTC
MagnitudeProbability ≥ 1Count (95% interval)
M ≥ 3.00.75 %0–0
M ≥ 4.00.08 %0–0
M ≥ 5.0< 0.01 %0–0
M ≥ 6.0< 0.01 %0–0
M ≥ 7.0< 0.01 %0–0

The range is the 95% forecast interval for the number of earthquakes. Magnitude thresholds and time windows overlap: do not add the values. Windows already in progress still refer to the entire stated period.

Source: USGS — Operational Aftershock Forecast

Volcanoes nearby

  • North Gorda Ridge Segment
    Distance: 133 km ·Fissure vent(s) ·Elevation: -3'000 m ·Last eruption: 1996 ·United States
  • Jackson Segment
    Distance: 159 km ·Fissure vent(s) ·Elevation: -3'100 m ·United States
  • East Blanco Depression
    Distance: 174 km ·Fissure vent ·Elevation: -3'000 m ·Undersea Features
  • Cleft Segment
    Distance: 240 km ·Fissure vent(s) ·Elevation: -2'140 m ·Last eruption: 1986 ·Undersea Features
  • Escanaba Segment
    Distance: 267 km ·Fissure vent(s) ·Elevation: -1'700 m ·Last eruption: -2260 ·United States
  • Axial Seamount
    Distance: 326 km ·Fissure vent(s) ·Elevation: -1'410 m ·Last eruption: 2015 ·Undersea Features

No unambiguous area assignment

Context for this earthquake

This event has no unambiguous country assignment in the analysed catalogue. It is therefore not assigned to a regional profile.

Earthquake overview

Stats (last 24h)

Global (24h)
507
Country (24h)
—
—
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