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Japan

M3.4 Earthquake near SHIKOKU, JAPAN (Japan)

UTC time: 2025-08-03 23:37:30 UTC Local time: —

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About this earthquake

A magnitude M3.4 earthquake was recorded near SHIKOKU, JAPAN (Japan) on August 3, 2025 at 23:37 UTC. The hypocenter lay relatively close to the surface at around 40 km, increasing how strongly it was felt. Earthquakes of this magnitude are often felt but rarely cause damage.

The event was recorded by EMSC.

Details

ID
31fcda9cdcb54a13b575d4560acc8069462f9f53
Magnitude
M3.4
Depth
40.0 km
UTC time
2025-08-03 23:37:30 UTC
Local time
—
Country
Japan
City
ino ting
Source
emsc
Coordinates
33.70000, 133.30000
Temperature
30.3°C

Depth profile

Depth profile Depth: 40 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 40 km
Shallow
40 km
40 km — close to the regional average (33.7 km)
Regional average: 33.7 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

  • Sanbesan
    Distance: 172 km ·Stratovolcano ·Elevation: 1'126 m ·Last eruption: 650 ·Japan
  • Yufu-Tsurumi
    Distance: 183 km ·Lava dome(s) ·Last eruption: 867 ·Japan
  • Abu
    Distance: 186 km ·Volcanic field ·Elevation: 641 m ·Last eruption: -6850 ·Japan
  • Kujusan
    Distance: 202 km ·Stratovolcano(es) ·Elevation: 1'791 m ·Last eruption: 1996 ·Japan
  • Asosan Activity reported
    Distance: 225 km ·Caldera ·Elevation: 1'592 m ·Last eruption: 2021 ·Japan
  • Unzendake
    Distance: 298 km ·Complex ·Elevation: 1'483 m ·Last eruption: 1996 ·Japan

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Kochi Ryoma AirportJapan · KCZ · RJOK
    38.4 kmStraight-line distance

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

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

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.

Stats (last 24h)

Global (24h)
577
Country (24h)
Japan
0
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