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Japan · Fukushima Prefecture

M3.4 Earthquake near Iwaki, Fukushima Prefecture (Japan)

UTC time: 2026-07-04 17:03:30 UTC Local time: —

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About this earthquake

On July 4, 2026 at 17:03 UTC, a magnitude M3.4 earthquake occurred near Iwaki, Fukushima Prefecture (Japan). The hypocenter lay relatively close to the surface at around 50 km, increasing how strongly it was felt. Shaking of this size is frequently noticed but usually harmless.

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

Details

ID
c2b183749fcc1b15726f33287c2b68a3660dd197
Magnitude
M3.4
Depth
50.0 km
UTC time
2026-07-04 17:03:30 UTC
Local time
—
Country
Japan
State
Fukushima Prefecture
City
Iwaki
Source
emsc
Coordinates
37.10000, 141.10000
Temperature
19.4°C

Depth profile

Depth profile Depth: 50 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 50 km
Shallow
50 km
50 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

  • 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

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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