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Japan · Nagasaki Prefecture

M3.3 Earthquake near Unzen, Nagasaki Prefecture (Japan)

UTC time: 2026-11-09 21:16:30 UTC Local time: —

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About this earthquake

A magnitude M3.3 earthquake was recorded near Unzen, Nagasaki Prefecture (Japan) on November 9, 2026 at 21:16 UTC. With a focal depth of about 10 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Shaking of this size is frequently noticed but usually harmless.

The event was recorded by EMSC. Japan: 7 earthquakes were recorded in the past 24 hours, the strongest reaching M4.5.

Details

ID
1e1c036fbc2f7d7f52b404f79e0ab137d897461f
Magnitude
M3.3
Depth
10.0 km
UTC time
2026-11-09 21:16:30 UTC
Local time
—
Country
Japan
State
Nagasaki Prefecture
City
Unzen
Source
emsc
Coordinates
32.70000, 130.10000
Temperature
16.6°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 (33.6 km)
Regional average: 33.6 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

Felt reports

1felt reports at EMSC / LastQuake

Voluntary reports of feeling this earthquake. The count is not an intensity measurement and is not added to USGS DYFI reports.

Data updated: Nov 9, 2026, 9:19 PM UTC · Last checked: Nov 13, 2026, 12:22 PM UTC

Source: EMSC / LastQuake

Volcanoes nearby

  • Unzendake
    Distance: 20 km ·Complex ·Elevation: 1'483 m ·Last eruption: 1996 ·Japan
  • Asosan Activity reported
    Distance: 94 km ·Caldera ·Elevation: 1'592 m ·Last eruption: 2021 ·Japan
  • Kirishimayama
    Distance: 111 km ·Shield ·Elevation: 1'700 m ·Last eruption: 2025 ·Japan
  • Yonemaru-Sumiyoshiike
    Distance: 113 km ·Maar(s) ·Elevation: 40 m ·Last eruption: -6200 ·Japan
  • Kujusan
    Distance: 116 km ·Stratovolcano(es) ·Elevation: 1'791 m ·Last eruption: 1996 ·Japan
  • Fukue
    Distance: 117 km ·Volcanic field ·Elevation: 315 m ·Last eruption: -400 ·Japan

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Amakusa AirportJapan · AXJ · RJDA
    24.8 kmStraight-line distance
  • Nagasaki AirportJapan · NGS · RJFU
    29.7 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-11-13

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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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.

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