Back to map
M4.8 Depth: 9.3 km

M4.8 Earthquake near Kamiamakusa, Kumamoto Prefecture (Japan)

UTC time: 2026-07-28 14:01:57 UTC Local time: —

About this earthquake

A magnitude M4.8 earthquake was recorded near Kamiamakusa, Kumamoto Prefecture (Japan) on July 28, 2026 at 14:01 UTC. With a focal depth of about 9 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this magnitude are clearly felt; minor damage to vulnerable buildings is possible.

The data is provided by USGS and cross-checked across seismological networks. Japan: over the past 24 hours, QuakeMap24 logged 54 earthquakes, the strongest at M7.1.

Details

Magnitude
M4.8
Depth
9.3 km
UTC time
2026-07-28 14:01:57 UTC
Local time
—
Country
Japan
State
Kumamoto Prefecture
City
Kamiamakusa
Source
usgs
Coordinates
32.53840, 130.49400
Temperature
29.3°C

Map

Depth profile

Depth profile Depth: 9.3 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 9.3 km
Shallow
9.3 km
9.3 km — shallower than the regional average (34.2 km)
Regional average: 34.2 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

Tectonic context

Located on the Amur Plate.
Near the boundary Amur ↔ Okinawa · about 60 km away

Volcanoes nearby

  • Unzendake
    Distance: 31 km ·Complex ·Elevation: 1'483 m ·Last eruption: 1996 ·Japan
  • Asosan
    Distance: 67 km ·Caldera ·Elevation: 1'592 m ·Last eruption: 2021 ·Japan
  • Kirishimayama
    Distance: 76 km ·Shield ·Elevation: 1'700 m ·Last eruption: 2025 ·Japan
  • Yonemaru-Sumiyoshiike
    Distance: 86 km ·Maar(s) ·Elevation: 40 m ·Last eruption: -6200 ·Japan
  • Kujusan
    Distance: 93 km ·Stratovolcano(es) ·Elevation: 1'791 m ·Last eruption: 1996 ·Japan
  • Aira
    Distance: 108 km ·Caldera ·Elevation: 1'117 m ·Last eruption: 2026 ·Japan

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.

Share