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M3.1 Depth: 50.0 km

M3.1 Earthquake near Sakai, Ibaraki Prefecture (Japan)

UTC time: 2026-06-20 19:57:30 UTC Local time: —

About this earthquake

A magnitude M3.1 earthquake was recorded near Sakai, Ibaraki Prefecture (Japan) on June 20, 2026 at 19:57 UTC. With a focal depth of about 50 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this magnitude are often felt but rarely cause damage.

The data is provided by EMSC and cross-checked across seismological networks. Japan: over the past 24 hours, QuakeMap24 logged 4 earthquakes, the strongest at M4.6.

Details

Magnitude
M3.1
Depth
50.0 km
UTC time
2026-06-20 19:57:30 UTC
Local time
—
Country
Japan
State
Ibaraki Prefecture
City
Sakai
County
Sashima County
Source
emsc
Coordinates
36.10000, 139.80000
Temperature
21.2°C

Map

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 (35.3 km)
Regional average: 35.3 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

  • Akagisan
    Distance: 75 km ·Stratovolcano ·Elevation: 1'828 m ·Japan
  • Nantaisan
    Distance: 79 km ·Stratovolcano ·Elevation: 2'486 m ·Last eruption: -9540 ·Japan
  • Omanago Group
    Distance: 84 km ·Lava dome(s) ·Elevation: 2'341 m ·Last eruption: -3050 ·Japan
  • Nikko-Shiranesan
    Distance: 86 km ·Shield ·Elevation: 2'578 m ·Last eruption: 1952 ·Japan
  • Takaharayama
    Distance: 89 km ·Stratovolcano ·Elevation: 1'795 m ·Last eruption: -4570 ·Japan
  • Harunasan
    Distance: 95 km ·Stratovolcano ·Elevation: 1'449 m ·Last eruption: 550 ·Japan

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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