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Japan

M3.8 Earthquake near NEAR EAST COAST OF HONSHU, JAPAN (Japan)

UTC time: 2025-12-15 21:06:30 UTC Local time: —

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About this earthquake

On December 15, 2025 at 21:06 UTC, a magnitude M3.8 earthquake occurred near NEAR EAST COAST OF HONSHU, JAPAN (Japan). With a focal depth of about 60 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this magnitude are often felt but rarely cause damage.

The data is provided by EMSC and cross-checked across seismological networks. Japan: over the past 24 hours, QuakeMap24 logged 2 earthquakes, the strongest at M3.9.

Details

ID
65c17e2c20ea63ab1e5d0e6c3ac915c6aa7e6fe4
Magnitude
M3.8
Depth
60.0 km
UTC time
2025-12-15 21:06:30 UTC
Local time
—
Country
Japan
City
hitachinaka shi
Source
emsc
Coordinates
36.40000, 140.60000
Temperature
4.0°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 (33.2 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

Felt reports

1felt reports at EMSC / LastQuake

Voluntary reports of feeling this earthquake. The count is not an intensity measurement and is not added to USGS DYFI reports.

Data updated: Dec 16, 2025, 12:13 AM UTC · Last checked: Sep 6, 2026, 12:18 PM UTC

Source: EMSC / LastQuake

Volcanoes nearby

  • Takaharayama
    Distance: 92 km ·Stratovolcano ·Elevation: 1'795 m ·Last eruption: -4570 ·Japan
  • Nasudake
    Distance: 99 km ·Stratovolcano(es) ·Elevation: 1'915 m ·Last eruption: 1963 ·Japan
  • Nantaisan
    Distance: 107 km ·Stratovolcano ·Elevation: 2'486 m ·Last eruption: -9540 ·Japan
  • Omanago Group
    Distance: 110 km ·Lava dome(s) ·Elevation: 2'341 m ·Last eruption: -3050 ·Japan
  • Nikko-Shiranesan
    Distance: 118 km ·Shield ·Elevation: 2'578 m ·Last eruption: 1952 ·Japan
  • Akagisan
    Distance: 127 km ·Stratovolcano ·Elevation: 1'828 m ·Japan

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Ibaraki AirportJapan · IBR · RJAH
    29.4 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-10-04

Nuclear power plants

  • Tokai nuclear power plantJapanUnder construction · Permanently shut downReactor units at site: 2
    2.4 kmStraight-line distance
  • Japan Power Demonstration Reactor nuclear power plantJapanPermanently shut downReactor units at site: 1Approximate location
    6.3 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, 334 have a higher stored magnitude. Different magnitude types and reports not yet merged limit the comparison.

Open seismic profile

Historic earthquake map · Japan

Open history map
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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