M5.6 Earthquake near 212 km E of Onagawa Chō, Japan

UTC time: 2026-08-26 19:21:42 UTC Local time:
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Automatically generated from measurement data by QuakeMap24. Values may change after further analysis. How our reports are produced ↗

Magnitude
M5.6
Depth
10.0 km
Source
USGS

212 km E of Onagawa Chō, Japan

Map

M5.6 Earthquake near 212 km E of Onagawa Chō, Japan · 2026-08-26 — Map showing the location of the epicenter
M5.6 Earthquake near 212 km E of Onagawa Chō, Japan · 2026-08-26 — Map showing the location of the epicenter

About this earthquake

A magnitude M5.6 earthquake was recorded near 212 km E of Onagawa Chō, Japan on August 26, 2026 at 19:21 UTC. The hypocenter lay relatively close to the surface at around 10 km, increasing how strongly it was felt. Earthquakes of this magnitude can damage poorly built structures.

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

Details

ID
c2990186d217b90ac962f30a05be4a0909871b4f
Magnitude
M5.6
Depth
10.0 km
UTC time
2026-08-26 19:21:42 UTC
Local time
Country
Source
usgs
Coordinates
38.12920, 143.84770
Temperature
26.4°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

Felt reports

1felt reports at EMSC / LastQuake

Voluntary reports of feeling this earthquake. The count is not an intensity measurement and is not added to USGS DYFI reports.

Data updated: Aug 26, 2026, 7:27 PM UTC · Last checked: Sep 6, 2026, 3:07 PM UTC

Source: EMSC / LastQuake

Estimated impact

Green No or minimal impact expected.
1 Felt reports · max reported intensity 2

Ground shaking

III
Weak · Intensity (MMI) III
Felt by a few, no damage.

Tectonic context

Located on the Okhotsk Plate.
Near the boundary Pacific ↔ Okhotsk · about 6 km away

Nearby population centers

Distances are straight-line distances from the epicenter. Population data: GeoNames.

PlaceDistanceDirectionPopulation
Ōfunato212.8 kmNW35'452
Ishinomaki224.7 kmW140'151
Sendai260.9 kmW1'096'704

GeoNames · CC BY 4.0

Volcanoes nearby

  • Distance: 279 km ·Caldera ·Elevation: 470 m ·Last eruption: 837 ·Japan
  • Distance: 282 km ·Stratovolcano ·Last eruption: 1950 ·Japan
  • Distance: 298 km ·Complex ·Elevation: 1'841 m ·Last eruption: 1940 ·Japan
  • Distance: 312 km ·Complex ·Elevation: 2'038 m ·Last eruption: 1919 ·Japan
  • Distance: 318 km ·Stratovolcano(es) ·Elevation: 1'728 m ·Last eruption: 1996 ·Japan
  • Distance: 319 km ·Stratovolcano(es) ·Elevation: 1'949 m ·Last eruption: 1977 ·Japan

Comparison of seismic sources

7 sources currently report magnitudes from M5.2 to M5.7.

Measurements can differ because agencies use different networks and calculation methods. Values may be revised.

SourceMagnitudeDepthPosition difference
INGVM5.78.6 km29.6 km
SERBIA_RSZM5.310.0 km15.4 km
USGSM5.610.0 km0.0 km
USPM5.210.0 km15.1 km
EMSCM5.710.0 km3.4 km
GFZM5.710.0 km3.5 km
RESIFM5.710.0 km10.3 km

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

Historical context nearby

Comparison with recorded earthquakes before this event within 150 km.

Magnitude rank#17
Earlier events M≥4137
Earlier events M≥575
Compared since2025-02-12

The QuakeMap24 comparison dataset begins on 2024-03-23. Earlier earthquakes may not be included.

Strongest earlier events

Stats (last 24h)

Global (24h)
507
Country (24h)
Current earthquakes in
Magnitude Place Local time
No recent events available.

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