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M5.1 Depth: 10.0 km

M5.1 Earthquake near Ajigasawa, Aomori Prefecture (Japan)

UTC time: 2026-08-27 19:54:48 UTC Local time: —
M5.1 earthquake near Ajigasawa on Aug 27, 2026 — map of epicenter and shaking intensity | QuakeMap24
M5.1 Earthquake near Ajigasawa, Aomori Prefecture (Japan) · 2026-08-27 19:54:48 UTC

About this earthquake

On August 27, 2026 at 19:54 UTC, a magnitude M5.1 earthquake occurred near Ajigasawa, Aomori Prefecture (Japan). 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 RESIF and cross-checked across seismological networks. Japan: over the past 24 hours, QuakeMap24 logged 2 earthquakes, the strongest at M4.0.

Map

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
10 km — shallower than the regional average (32.9 km)
Regional average: 32.9 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

Tectonic context

Located on the Okhotsk Plate.
Near the boundary Okhotsk ↔ Amur · about 116 km away

Nearby population centers

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

PlaceDistanceDirectionPopulation
Shimokizukuri21.1 kmE18'907
Hirosaki41.7 kmSE168'739
Sapporo264.4 kmN1'973'832

GeoNames · CC BY 4.0

Volcanoes nearby

  • Iwakisan
    Distance: 27 km ·Stratovolcano ·Elevation: 1'624 m ·Last eruption: 1863 ·Japan
  • Hakkodasan
    Distance: 67 km ·Stratovolcano(es) ·Elevation: 1'584 m ·Last eruption: 1550 ·Japan
  • Towada
    Distance: 74 km ·Caldera ·Elevation: 1'011 m ·Last eruption: 915 ·Japan
  • Osorezan
    Distance: 94 km ·Stratovolcano ·Elevation: 878 m ·Last eruption: 1787 ·Japan
  • Oshima-Oshima
    Distance: 96 km ·Stratovolcano ·Elevation: 732 m ·Last eruption: 1790 ·Japan
  • Megata
    Distance: 108 km ·Maar(s) ·Elevation: 160 m ·Last eruption: -2050 ·Japan

Historical context nearby

Comparison with recorded earthquakes before this event within 150 km.

Magnitude rank#12
Earlier events M≥443
Earlier events M≥514
Compared since2025-01-07

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

Strongest earlier events

M5.92025-11-09 08:11:47 UTC41.3 kmEvent of magnitude 5.9, near of Akita (Monde) M5.82026-03-09 15:45:43 UTC139.4 km21 km NE of Otobe, Japan M5.72025-08-18 22:19:09 UTC87.5 km M5.42026-08-08 17:58:02 UTC114.6 kmHachinohe M5.32026-03-13 19:55:30 UTC142.5 km

Historic earthquake map · Japan

Open history map
Explore recent and long-term earthquake activity in this country. Use filters to narrow down by magnitude, depth, and date range.

Country statistics · Japan

Country overview
View earthquake KPIs, strongest and latest events, and averages for this country.

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