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Japan · Wakayama Prefecture

M3.2 Earthquake near Aridagawa, Wakayama Prefecture (Japan)

UTC time: 2026-07-28 08:16:30 UTC Local time: —
Magnitude
M3.2
Depth
10.0 km
Source
EMSC

Wakayama Prefecture · Aridagawa

Country overview

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About this earthquake

On July 28, 2026 at 08:16 UTC, a magnitude M3.2 earthquake occurred near Aridagawa, Wakayama Prefecture (Japan). The hypocenter lay relatively close to the surface at around 10 km, increasing how strongly it was felt. Shaking of this size is frequently noticed but usually harmless.

The event was recorded by EMSC.

Details

ID
636ac45ae2f461932f625adfaec0b8a967a407bf
Magnitude
M3.2
Depth
10.0 km
UTC time
2026-07-28 08:16:30 UTC
Local time
—
Country
Japan
State
Wakayama Prefecture
City
Aridagawa
County
Arida County
Source
emsc
Coordinates
34.10000, 135.30000
Temperature
24.2°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

  • Hakusan
    Distance: 265 km ·Stratovolcano ·Elevation: 2'702 m ·Last eruption: 1659 ·Japan
  • Sanbesan
    Distance: 271 km ·Stratovolcano ·Elevation: 1'126 m ·Last eruption: 650 ·Japan
  • Ontakesan
    Distance: 281 km ·Complex ·Elevation: 3'067 m ·Last eruption: 2014 ·Japan
  • Norikuradake
    Distance: 303 km ·Stratovolcano(es) ·Elevation: 3'026 m ·Last eruption: -50 ·Japan
  • Akandanayama
    Distance: 312 km ·Stratovolcano ·Elevation: 2'109 m ·Japan
  • Yakedake
    Distance: 315 km ·Stratovolcano(es) ·Elevation: 2'455 m ·Last eruption: 1995 ·Japan

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Kansai International AirportJapan · KIX · RJBB
    36.8 kmStraight-line distance
  • Nanki Shirahama AirportJapan · SHM · RJBD
    49.0 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-09-20

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

20 Sep 2025 – 20 Sep 2026 · M ≥ 3.0 · 951 Catalogue entries

Of 950 other entries for this area and period, 662 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

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

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