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M4.7 Depth: 50.2 km

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

UTC time: 2026-08-15 01:10:52 UTC Local time: —

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 5 earthquakes, the strongest at M4.7.

Details

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

Map

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 (32.6 km)
Regional average: 32.6 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

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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