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Japan · Ibaraki Prefecture

M3.7 Earthquake near Takahagi, Ibaraki Prefecture (Japan)

UTC time: 2026-07-31 09:10:30 UTC Local time: —

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About this earthquake

A magnitude M3.7 earthquake was recorded near Takahagi, Ibaraki Prefecture (Japan) on July 31, 2026 at 09:10 UTC. With a focal depth of about 10 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 event was recorded by EMSC. Japan: 3 earthquakes were recorded in the past 24 hours, the strongest reaching M5.1.

Details

ID
1dead5c5900a9589947d13d74c509d81ecaf1698
Magnitude
M3.7
Depth
10.0 km
UTC time
2026-07-31 09:10:30 UTC
Local time
—
Country
Japan
State
Ibaraki Prefecture
City
Takahagi
Source
emsc
Coordinates
36.80000, 140.60000
Temperature
22.3°C

Depth profile

Depth profile Depth: 10 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 10 km
Shallow
10 km
10 km — shallower than the regional average (33.1 km)
Regional average: 33.1 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

  • Nasudake
    Distance: 67 km ·Stratovolcano(es) ·Elevation: 1'915 m ·Last eruption: 1963 ·Japan
  • Takaharayama
    Distance: 74 km ·Stratovolcano ·Elevation: 1'795 m ·Last eruption: -4570 ·Japan
  • Adatarayama
    Distance: 98 km ·Stratovolcano(es) ·Elevation: 1'728 m ·Last eruption: 1996 ·Japan
  • Nantaisan
    Distance: 99 km ·Stratovolcano ·Elevation: 2'486 m ·Last eruption: -9540 ·Japan
  • Omanago Group
    Distance: 100 km ·Lava dome(s) ·Elevation: 2'341 m ·Last eruption: -3050 ·Japan
  • Bandaisan
    Distance: 101 km ·Stratovolcano ·Elevation: 1'816 m ·Last eruption: 1888 ·Japan

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Fukushima AirportJapan · FKS · RJSF
    49.8 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-09-21

Nuclear power plants

  • Japan Power Demonstration Reactor nuclear power plantJapanPermanently shut downReactor units at site: 1Approximate location
    38.2 kmStraight-line distance
  • Tokai nuclear power plantJapanUnder construction · Permanently shut downReactor units at site: 2
    42.1 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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