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Japan · Miyagi Prefecture

M4.1 Earthquake near Ishinomaki, Miyagi Prefecture (Japan)

UTC time: 2026-09-24 12:30:30 UTC Local time: —
Earthquake newsQuakeMap24
Archive record · original publication time was not recorded

Automatically generated from measurement data by QuakeMap24. Values may change after further analysis.

Magnitude
M4.1
Depth
50.0 km
Source
EMSC

Miyagi Prefecture · Ishinomaki

Country overview

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About this earthquake

On September 24, 2026 at 12:30 UTC, a magnitude M4.1 earthquake occurred near Ishinomaki, Miyagi Prefecture (Japan). With a focal depth of about 50 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Tremors of this size are distinctly felt and can occasionally cause light damage.

The data is provided by EMSC and cross-checked across seismological networks.

Details

ID
283637befa8dd318f81fe7c71307a1cf8c680f77
Magnitude
M4.1
Depth
50.0 km
UTC time
2026-09-24 12:30:30 UTC
Local time
—
Country
Japan
State
Miyagi Prefecture
City
Ishinomaki
Source
emsc
Coordinates
38.20000, 141.70000
Temperature
22.0°C

Depth profile

Depth profile Depth: 50 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 50 km
Shallow
50 km
50 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

Volcanoes nearby

  • Naruko
    Distance: 103 km ·Caldera ·Elevation: 470 m ·Last eruption: 837 ·Japan
  • Zaozan [Zaosan]
    Distance: 110 km ·Complex ·Elevation: 1'841 m ·Last eruption: 1940 ·Japan
  • Kurikomayama
    Distance: 116 km ·Stratovolcano ·Last eruption: 1950 ·Japan
  • Azumayama
    Distance: 138 km ·Stratovolcano(es) ·Elevation: 1'949 m ·Last eruption: 1977 ·Japan
  • Adatarayama
    Distance: 139 km ·Stratovolcano(es) ·Elevation: 1'728 m ·Last eruption: 1996 ·Japan
  • Hijiori
    Distance: 141 km ·Caldera ·Elevation: 552 m ·Japan

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Nuclear power plants

  • Onagawa nuclear power plantJapanOut of operation · Operating at dataset date · Permanently shut downReactor units at site: 3
    28.1 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

04 Oct 2025 – 04 Oct 2026 · M ≥ 3.0 · 969 Catalogue entries

Of 968 other entries for this area and period, 240 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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