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Japan · Ibaraki Prefecture

M4.3 Earthquake near Hitachinaka, Ibaraki Prefecture (Japan)

UTC time: 2026-10-07 22:14:08 UTC Local time: —
Magnitude
M4.3
Depth
79.5 km
Source
USGS

Ibaraki Prefecture · Hitachinaka

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About this earthquake

On October 7, 2026 at 22:14 UTC, a magnitude M4.3 earthquake occurred near Hitachinaka, Ibaraki Prefecture (Japan). The earthquake originated at an intermediate depth of about 80 km. Tremors of this size are distinctly felt and can occasionally cause light damage.

The event was recorded by USGS. Japan: 2 earthquakes were recorded in the past 24 hours, the strongest reaching M4.4.

Details

ID
aa23deac87fe56fbb1fafa6e1b6fb9a5c4e613f3
Magnitude
M4.3
Depth
79.5 km
UTC time
2026-10-07 22:14:08 UTC
Local time
—
Country
Japan
State
Ibaraki Prefecture
City
Hitachinaka
Source
usgs
Coordinates
36.36150, 140.74310
Temperature
21.1°C

Depth profile

Depth profile Depth: 79.5 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 79.5 km
Intermediate
79.5 km
79.5 km — deeper than the regional average (33.7 km)
Regional average: 33.7 km
Why depth matters

Intermediate-depth quakes are felt across a wider area but usually cause less surface damage.

Depth classes per USGS

Volcanoes nearby

  • Takaharayama
    Distance: 105 km ·Stratovolcano ·Elevation: 1'795 m ·Last eruption: -4570 ·Japan
  • Nasudake
    Distance: 110 km ·Stratovolcano(es) ·Elevation: 1'915 m ·Last eruption: 1963 ·Japan
  • Nantaisan
    Distance: 121 km ·Stratovolcano ·Elevation: 2'486 m ·Last eruption: -9540 ·Japan
  • Omanago Group
    Distance: 124 km ·Lava dome(s) ·Elevation: 2'341 m ·Last eruption: -3050 ·Japan
  • Nikko-Shiranesan
    Distance: 131 km ·Shield ·Elevation: 2'578 m ·Last eruption: 1952 ·Japan
  • Akagisan
    Distance: 140 km ·Stratovolcano ·Elevation: 1'828 m ·Japan

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

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

Source: OurAirports · Dataset date: 2026-10-05

Nuclear power plants

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

Country overview
View earthquake KPIs, strongest and latest events, and averages for this country.

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