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Japan · Fukushima Prefecture

M4.1 Earthquake near Iwaki, Fukushima Prefecture (Japan)

UTC time: 2026-10-07 00:22:30 UTC Local time: —

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About this earthquake

On October 7, 2026 at 00:22 UTC, a magnitude M4.1 earthquake occurred near Iwaki, Fukushima Prefecture (Japan). The hypocenter lay relatively close to the surface at around 60 km, increasing how strongly it was felt. Tremors of this size are distinctly felt and can occasionally cause light damage.

The data is provided by EMSC and cross-checked across seismological networks. Japan: 2 earthquakes were recorded in the past 24 hours, the strongest reaching M4.4.

Details

ID
787f3a94ce9e38a567fa3e50604dd0bd8a8cce29
Magnitude
M4.1
Depth
60.0 km
UTC time
2026-10-07 00:22:30 UTC
Local time
—
Country
Japan
State
Fukushima Prefecture
City
Iwaki
Source
emsc
Coordinates
37.00000, 141.10000
Temperature
21.2°C

Depth profile

Depth profile Depth: 60 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 60 km
Shallow
60 km
60 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

  • Nasudake
    Distance: 102 km ·Stratovolcano(es) ·Elevation: 1'915 m ·Last eruption: 1963 ·Japan
  • Adatarayama
    Distance: 102 km ·Stratovolcano(es) ·Elevation: 1'728 m ·Last eruption: 1996 ·Japan
  • Azumayama
    Distance: 111 km ·Stratovolcano(es) ·Elevation: 1'949 m ·Last eruption: 1977 ·Japan
  • Bandaisan
    Distance: 113 km ·Stratovolcano ·Elevation: 1'816 m ·Last eruption: 1888 ·Japan
  • Takaharayama
    Distance: 118 km ·Stratovolcano ·Elevation: 1'795 m ·Last eruption: -4570 ·Japan
  • Zaozan [Zaosan]
    Distance: 140 km ·Complex ·Elevation: 1'841 m ·Last eruption: 1940 ·Japan

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Nuclear power plants

  • Fukushima Daini nuclear power plantJapanPermanently shut downReactor units at site: 4
    35.8 kmStraight-line distance
  • Fukushima Daiichi nuclear power plantJapanPermanently shut downReactor units at site: 6
    47.4 kmStraight-line distance

Source: Global Energy Monitor · Global Nuclear Power Tracker · Dataset date: 2026-08

This selection shows geographic proximity, not a hazard zone or confirmed impacts. Distances use recorded site coordinates. Sources & data dates

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.

Open seismic profile

Historic earthquake map · Japan

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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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