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M4.0 Depth: 327.3 km

M4.0 Earthquake near NEAR S. COAST OF HONSHU, JAPAN

UTC time: 2026-04-21 00:59:08 UTC Local time: —

About this earthquake

On April 21, 2026 at 00:59 UTC, a magnitude M4.0 earthquake occurred near NEAR S. COAST OF HONSHU, JAPAN. The deep hypocenter at about 327 km dampens the shaking felt 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

Magnitude
M4.0
Depth
327.3 km
UTC time
2026-04-21 00:59:08 UTC
Local time
—
Country
—
Source
emsc
Coordinates
33.64350, 137.75480
Temperature
17.6°C

Map

Depth profile

Depth profile Depth: 327.3 km (Deep) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 327.3 km
Deep
327.3 km
Why depth matters

Deep quakes are felt over very large areas but rarely cause surface damage.

Depth classes per USGS

Volcanoes nearby

  • Kozushima
    Distance: 144 km ·Lava dome(s) ·Elevation: 572 m ·Last eruption: 838 ·Japan
  • Niijima
    Distance: 163 km ·Lava dome(s) ·Elevation: 432 m ·Last eruption: 886 ·Japan
  • Toshima
    Distance: 171 km ·Stratovolcano ·Elevation: 508 m ·Last eruption: -4550 ·Japan
  • Miyakejima
    Distance: 171 km ·Stratovolcano ·Elevation: 775 m ·Last eruption: 2010 ·Japan
  • Mikurajima
    Distance: 173 km ·Stratovolcano ·Elevation: 851 m ·Last eruption: -4100 ·Japan
  • Kurose Hole
    Distance: 181 km ·Caldera ·Elevation: -114 m ·Japan

Stats (last 24h)

Global (24h)
610
Country (24h)
—
—
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