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Japan · Fukushima Prefecture

M3.7 Earthquake near Iwaki, Fukushima Prefecture (Japan)

UTC time: 2026-07-30 11:51:30 UTC Local time: —

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About this earthquake

On July 30, 2026 at 11:51 UTC, a magnitude M3.7 earthquake occurred near Iwaki, Fukushima Prefecture (Japan). The earthquake originated at an intermediate depth of about 70 km. Earthquakes of this magnitude are often felt but rarely cause damage.

The event was recorded by EMSC. Japan: 3 earthquakes were recorded in the past 24 hours, the strongest reaching M5.1.

Details

ID
6273474e1940d7b185d7a905dff2852c8403e1f7
Magnitude
M3.7
Depth
70.0 km
UTC time
2026-07-30 11:51:30 UTC
Local time
—
Country
Japan
State
Fukushima Prefecture
City
Iwaki
Source
emsc
Coordinates
37.10000, 141.10000
Temperature
24.5°C

Depth profile

Depth profile Depth: 70 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 70 km
Intermediate
70 km
70 km — deeper than the regional average (33.1 km)
Regional average: 33.1 km
Why depth matters

Intermediate-depth quakes are felt across a wider area but usually cause less surface damage.

Depth classes per USGS

Volcanoes nearby

  • Adatarayama
    Distance: 95 km ·Stratovolcano(es) ·Elevation: 1'728 m ·Last eruption: 1996 ·Japan
  • Nasudake
    Distance: 101 km ·Stratovolcano(es) ·Elevation: 1'915 m ·Last eruption: 1963 ·Japan
  • Azumayama
    Distance: 103 km ·Stratovolcano(es) ·Elevation: 1'949 m ·Last eruption: 1977 ·Japan
  • Bandaisan
    Distance: 107 km ·Stratovolcano ·Elevation: 1'816 m ·Last eruption: 1888 ·Japan
  • Takaharayama
    Distance: 120 km ·Stratovolcano ·Elevation: 1'795 m ·Last eruption: -4570 ·Japan
  • Zaozan [Zaosan]
    Distance: 130 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
    24.9 kmStraight-line distance
  • Fukushima Daiichi nuclear power plantJapanPermanently shut downReactor units at site: 6
    36.4 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

21 Sep 2025 – 21 Sep 2026 · M ≥ 3.0 · 951 Catalogue entries

Of 950 other entries for this area and period, 361 have a higher stored magnitude. Different magnitude types and reports not yet merged limit the comparison.

Open seismic profile

Historic earthquake map · Japan

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Country statistics · Japan

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

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