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Japan · Fukushima Prefecture

M4.7 Earthquake near Hirono, Fukushima Prefecture (Japan)

UTC time: 2026-08-15 01:10:52 UTC Local time: —
Earthquake newsQuakeMap24
Archive record · original publication time was not recorded

Automatically generated from measurement data by QuakeMap24. Values may change after further analysis.

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About this earthquake

On August 15, 2026 at 01:10 UTC, a magnitude M4.7 earthquake occurred near Hirono, Fukushima Prefecture (Japan). With a focal depth of about 50 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Tremors of this size are distinctly felt and can occasionally cause light damage.

The event was recorded by USGS. Japan: over the past 24 hours, QuakeMap24 logged 2 earthquakes, the strongest at M3.9.

Details

ID
a0e1f67b1bf377358047e925274f9e247f73b805
Magnitude
M4.7
Depth
50.2 km
UTC time
2026-08-15 01:10:52 UTC
Local time
—
Country
Japan
State
Fukushima Prefecture
City
Hirono
County
Futaba County
Source
usgs
Coordinates
37.20840, 141.11380
Temperature
23.4°C

Depth profile

Depth profile Depth: 50.2 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 50.2 km
Shallow
50.2 km
50.2 km — deeper than the regional average (33.2 km)
Regional average: 33.2 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

Estimated impact

2 Felt reports · max reported intensity 2.2

Tectonic context

Located on the Okhotsk Plate.
Near the boundary Pacific ↔ Okhotsk · about 186 km away

Volcanoes nearby

  • Adatarayama
    Distance: 88 km ·Stratovolcano(es) ·Elevation: 1'728 m ·Last eruption: 1996 ·Japan
  • Azumayama
    Distance: 97 km ·Stratovolcano(es) ·Elevation: 1'949 m ·Last eruption: 1977 ·Japan
  • Bandaisan
    Distance: 102 km ·Stratovolcano ·Elevation: 1'816 m ·Last eruption: 1888 ·Japan
  • Nasudake
    Distance: 102 km ·Stratovolcano(es) ·Elevation: 1'915 m ·Last eruption: 1963 ·Japan
  • Zaozan [Zaosan]
    Distance: 120 km ·Complex ·Elevation: 1'841 m ·Last eruption: 1940 ·Japan
  • Takaharayama
    Distance: 123 km ·Stratovolcano ·Elevation: 1'795 m ·Last eruption: -4570 ·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
    14.3 kmStraight-line distance
  • Fukushima Daiichi nuclear power plantJapanPermanently shut downReactor units at site: 6
    24.9 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

04 Oct 2025 – 04 Oct 2026 · M ≥ 3.0 · 969 Catalogue entries

Of 968 other entries for this area and period, 112 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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