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M4.3 Depth: 47.8 km

M4.3 Earthquake near Hitachi, Ibaraki Prefecture (Japan)

UTC time: 2026-08-20 05:28:41 UTC Local time: —

About this earthquake

A magnitude M4.3 earthquake was recorded near Hitachi, Ibaraki Prefecture (Japan) on August 20, 2026 at 05:28 UTC. The hypocenter lay relatively close to the surface at around 48 km, increasing how strongly it was felt. Tremors of this size are distinctly felt and can occasionally cause light damage.

The event was recorded by USGS. Japan: 4 earthquakes were recorded in the past 24 hours, the strongest reaching M5.8.

Details

Magnitude
M4.3
Depth
47.8 km
UTC time
2026-08-20 05:28:41 UTC
Local time
—
Country
Japan
State
Ibaraki Prefecture
City
Hitachi
Source
usgs
Coordinates
36.65100, 140.63990
Temperature
28.5°C

Map

Depth profile

Depth profile Depth: 47.8 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 47.8 km
Shallow
47.8 km
47.8 km — deeper than the regional average (32.9 km)
Regional average: 32.9 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

  • Nasudake
    Distance: 80 km ·Stratovolcano(es) ·Elevation: 1'915 m ·Last eruption: 1963 ·Japan
  • Takaharayama
    Distance: 82 km ·Stratovolcano ·Elevation: 1'795 m ·Last eruption: -4570 ·Japan
  • Nantaisan
    Distance: 103 km ·Stratovolcano ·Elevation: 2'486 m ·Last eruption: -9540 ·Japan
  • Omanago Group
    Distance: 105 km ·Lava dome(s) ·Elevation: 2'341 m ·Last eruption: -3050 ·Japan
  • Nikko-Shiranesan
    Distance: 114 km ·Shield ·Elevation: 2'578 m ·Last eruption: 1952 ·Japan
  • Adatarayama
    Distance: 115 km ·Stratovolcano(es) ·Elevation: 1'728 m ·Last eruption: 1996 ·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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