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Japan · Iwate Prefecture

M4.4 Earthquake near Kuji, Iwate Prefecture (Japan)

UTC time: 2026-08-28 14:31:46 UTC Local time: —

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About this earthquake

On August 28, 2026 at 14:31 UTC, a magnitude M4.4 earthquake occurred near Kuji, Iwate Prefecture (Japan). The hypocenter lay relatively close to the surface at around 67 km, increasing how strongly it was felt. Earthquakes of this magnitude are clearly felt; minor damage to vulnerable buildings is possible.

The event was recorded by USGS. Japan: over the past 24 hours, QuakeMap24 logged 2 earthquakes, the strongest at M3.6.

Details

ID
77c89160d1c86d6f6510aca42cd456a583e7179d
Magnitude
M4.4
Depth
67.1 km
UTC time
2026-08-28 14:31:46 UTC
Local time
—
Country
Japan
State
Iwate Prefecture
City
Kuji
Source
usgs
Coordinates
40.24760, 141.96570
Temperature
22.6°C

Depth profile

Depth profile Depth: 67.1 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 67.1 km
Shallow
67.1 km
67.1 km — deeper than the regional average (33.7 km)
Regional average: 33.7 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

Volcanoes nearby

  • Iwatesan Activity reported
    Distance: 93 km ·Complex ·Elevation: 2'038 m ·Last eruption: 1919 ·Japan
  • Towada
    Distance: 96 km ·Caldera ·Elevation: 1'011 m ·Last eruption: 915 ·Japan
  • Hachimantai
    Distance: 100 km ·Stratovolcano ·Elevation: 1'613 m ·Last eruption: -5350 ·Japan
  • Hakkodasan
    Distance: 103 km ·Stratovolcano(es) ·Elevation: 1'584 m ·Last eruption: 1550 ·Japan
  • Akita-Yakeyama
    Distance: 108 km ·Stratovolcano ·Elevation: 1'366 m ·Last eruption: 1997 ·Japan
  • Akita-Komagatake
    Distance: 113 km ·Stratovolcano(es) ·Elevation: 1'637 m ·Last eruption: 1971 ·Japan

Japan

Context for this earthquake

05 Oct 2025 – 05 Oct 2026 · M ≥ 3.0 · 968 Catalogue entries

Sufficiently reliable matching data are not currently available for a direct comparison. The area profile shows the available records and their limitations.

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Historic earthquake map · Japan

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Country statistics · Japan

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

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