Back to map
Japan · Ibaraki Prefecture

M4.5 Earthquake near Goka, Ibaraki Prefecture (Japan)

UTC time: 2026-10-01 21:01:42 UTC Local time: —
Earthquake newsQuakeMap24
Archive record · original publication time was not recorded Content updated:

Automatically generated from measurement data by QuakeMap24. Values may change after further analysis.

Map

About this earthquake

A magnitude M4.5 earthquake was recorded near Goka, Ibaraki Prefecture (Japan) on October 1, 2026 at 21:01 UTC. The hypocenter lay relatively close to the surface at around 65 km, increasing how strongly it was felt. Earthquakes of this magnitude are clearly felt; minor damage to vulnerable buildings is possible.

The data is provided by USGS and cross-checked across seismological networks.

Details

ID
ba9e2f8432d504ffd3ede1a4d088c806ef32a299
Magnitude
M4.5
Depth
65.0 km
UTC time
2026-10-01 21:01:42 UTC
Local time
—
Country
Japan
State
Ibaraki Prefecture
City
Goka
County
Sashima County
Source
usgs
Coordinates
36.09040, 139.74870
Temperature
22.1°C

Depth profile

Depth profile Depth: 65 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 65 km
Shallow
65 km
65 km — deeper than the regional average (33.2 km)
Regional average: 33.2 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

Felt reports

1felt reports at EMSC / LastQuake

Voluntary reports of feeling this earthquake. The count is not an intensity measurement and is not added to USGS DYFI reports.

Data updated: Oct 2, 2026, 1:07 AM UTC · Last checked: Oct 4, 2026, 11:52 AM UTC

Source: EMSC / LastQuake

Tectonic context

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

Volcanoes nearby

  • Akagisan
    Distance: 72 km ·Stratovolcano ·Elevation: 1'828 m ·Japan
  • Nantaisan
    Distance: 78 km ·Stratovolcano ·Elevation: 2'486 m ·Last eruption: -9540 ·Japan
  • Omanago Group
    Distance: 83 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: 90 km ·Stratovolcano ·Elevation: 1'795 m ·Last eruption: -4570 ·Japan
  • Harunasan
    Distance: 91 km ·Stratovolcano ·Elevation: 1'449 m ·Last eruption: 550 ·Japan

Japan

Context for this earthquake

04 Oct 2025 – 04 Oct 2026 · M ≥ 3.0 · 969 Catalogue entries

Of 968 other entries for this area and period, 161 have a higher stored magnitude. Different magnitude types and reports not yet merged limit the comparison.

Open seismic profile

Historic earthquake map · Japan

Open history map
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.

Share