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M4.2 Depth: 40.0 km

M4.2 Earthquake near NEAR EAST COAST OF HONSHU, JAPAN

UTC time: 2026-08-20 05:28:30 UTC Local time: —

About this earthquake

On August 20, 2026 at 05:28 UTC, a magnitude M4.2 earthquake occurred near NEAR EAST COAST OF HONSHU, JAPAN. The hypocenter lay relatively close to the surface at around 40 km, increasing how strongly it was felt. 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
M4.2
Depth
40.0 km
UTC time
2026-08-20 05:28:30 UTC
Local time
—
Country
—
Source
emsc
Coordinates
36.40000, 140.90000
Temperature
25.0°C

Map

Depth profile

Depth profile Depth: 40 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 40 km
Shallow
40 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

  • Takaharayama
    Distance: 115 km ·Stratovolcano ·Elevation: 1'795 m ·Last eruption: -4570 ·Japan
  • Nasudake
    Distance: 116 km ·Stratovolcano(es) ·Elevation: 1'915 m ·Last eruption: 1963 ·Japan
  • Nantaisan
    Distance: 132 km ·Stratovolcano ·Elevation: 2'486 m ·Last eruption: -9540 ·Japan
  • Omanago Group
    Distance: 135 km ·Lava dome(s) ·Elevation: 2'341 m ·Last eruption: -3050 ·Japan
  • Nikko-Shiranesan
    Distance: 143 km ·Shield ·Elevation: 2'578 m ·Last eruption: 1952 ·Japan
  • Adatarayama
    Distance: 149 km ·Stratovolcano(es) ·Elevation: 1'728 m ·Last eruption: 1996 ·Japan

Stats (last 24h)

Global (24h)
642
Country (24h)
—
—
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