M5.8 Depth: 61.0 km

M5.8 Earthquake near Toride, Ibaraki Prefecture (Japan)

UTC time: 2026-08-22 17:00:39 UTC Local time:
M5.8 earthquake near Toride on Aug 22, 2026 — map of epicenter and shaking intensity | QuakeMap24
M5.8 Earthquake near Toride, Ibaraki Prefecture (Japan) · 2026-08-22 17:00:39 UTC

About this earthquake

A magnitude M5.8 earthquake was recorded near Toride, Ibaraki Prefecture (Japan) on August 22, 2026 at 17:00 UTC. The hypocenter lay relatively close to the surface at around 61 km, increasing how strongly it was felt. Earthquakes of this magnitude can damage poorly built structures.

The data is provided by USGS and cross-checked across seismological networks. Japan: over the past 24 hours, QuakeMap24 logged 3 earthquakes, the strongest at M5.5.

Details

Magnitude
M5.8
Depth
61.0 km
UTC time
2026-08-22 17:00:39 UTC
Local time
Country
City
Source
usgs
Coordinates
35.93750, 140.07780
Temperature
23.3°C

Map

Depth profile

Depth profile Depth: 61 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 61 km
Shallow
61 km
61 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

Estimated impact

Green No or minimal impact expected.
Estimated population exposed
IV 41'387'472
V 758'772
140 Felt reports · max reported intensity 5.7

Ground shaking

V
Moderate · Intensity (MMI) V
Felt by all, slight damage possible.

Tectonic context

Located on the Okhotsk Plate.
Near the boundary Okhotsk ↔ Philippine Sea · about 128 km away

Nearby population centers

Distances are straight-line distances from the epicenter. Population data: GeoNames.

PlaceDistanceDirectionPopulation
Ryūgasaki5.8 kmW85'761
Inzai11.3 kmSW105'463
Suginami City32.5 kmN588'354

GeoNames · CC BY 4.0

Volcanoes nearby

  • Akagisan
    Distance: 105 km ·Stratovolcano ·Elevation: 1'828 m ·Japan
  • Nantaisan
    Distance: 106 km ·Stratovolcano ·Elevation: 2'486 m ·Last eruption: -9540 ·Japan
  • Takaharayama
    Distance: 110 km ·Stratovolcano ·Elevation: 1'795 m ·Last eruption: -4570 ·Japan
  • Omanago Group
    Distance: 111 km ·Lava dome(s) ·Elevation: 2'341 m ·Last eruption: -3050 ·Japan
  • Nikko-Shiranesan
    Distance: 115 km ·Shield ·Elevation: 2'578 m ·Last eruption: 1952 ·Japan
  • Hakoneyama
    Distance: 124 km ·Complex ·Elevation: 1'438 m ·Last eruption: 2015 ·Japan

Subsequent earthquakes nearby

Events recorded after this earthquake within 150 km. They are not automatically classified as aftershocks.

First 6 hours0
First 24 hours0
First 72 hours0
Strongest subsequent eventM3.4

Comparison of seismic sources

7 sources currently report magnitudes from M5.7 to M6.0.

Measurements can differ because agencies use different networks and calculation methods. Values may be revised.

SourceMagnitudeDepthPosition difference
SERBIA_RSZM5.810.0 km9.5 km
RESIFM5.810.0 km11.5 km
EMSCM5.737.0 km15.5 km
SCEDCM5.861.0 km0.0 km
USGSM5.861.0 km0.0 km
GFZM6.076.0 km6.7 km
INGVM5.777.7 km11.6 km

Historical context nearby

Comparison with recorded earthquakes before this event within 150 km.

Magnitude rank#4
Earlier events M≥4140
Earlier events M≥537
Compared since2025-01-04

The QuakeMap24 comparison dataset begins on 2024-03-23. Earlier earthquakes may not be included.

Strongest earlier events

Historic earthquake map · Japan

Explore recent and long-term earthquake activity in this country. Use filters to narrow down by magnitude, depth, and date range.

Country statistics · Japan

View earthquake KPIs, strongest and latest events, and averages for this country.

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