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Russia · Sakhalin Oblast

M5.0 Earthquake near Yuzhno-Kurilsky District, Sakhalin Oblast (Russia)

UTC time: 2026-09-20 23:25:39 UTC Local time: —
Earthquake newsQuakeMap24
First published: Content updated:

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

Magnitude
M5.0
Depth
64.9 km
Source
USGS

Sakhalin Oblast · Yuzhno-Kurilsky District

Country overview

Map

M5.0 Earthquake near Yuzhno-Kurilsky District, Sakhalin Oblast (Russia) · 2026-09-20 — Map showing the location of the epicenter
M5.0 Earthquake near Yuzhno-Kurilsky District, Sakhalin Oblast (Russia) · 2026-09-20 — Map showing the location of the epicenter

About this earthquake

A magnitude M5.0 earthquake was recorded near Yuzhno-Kurilsky District, Sakhalin Oblast (Russia) on September 20, 2026 at 23:25 UTC. With a focal depth of about 65 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this magnitude can damage poorly built structures.

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

Depth profile

Depth profile Depth: 64.9 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 64.9 km
Shallow
64.9 km
64.9 km — deeper than the regional average (48.8 km)
Regional average: 48.8 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

2felt 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: Sep 20, 2026, 11:28 PM UTC · Last checked: Oct 4, 2026, 11:52 AM UTC

Source: EMSC / LastQuake

Tectonic context

Located on the Okhotsk Plate.
Near the boundary Okhotsk ↔ Pacific · about 134 km away

Nearby population centers

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

PlaceDistanceDirectionPopulation
Nemuro90.4 kmSW31'223
Kushiro194.4 kmSW167'875
Sapporo425.4 kmW1'973'832

GeoNames · CC BY 4.0

Volcanoes nearby

  • Raususan [Mendeleev]
    Distance: 69 km ·Stratovolcano ·Elevation: 882 m ·Last eruption: 1880 ·Japan - administered by Russia
  • Chachadake [Tiatia]
    Distance: 71 km ·Stratovolcano ·Elevation: 1'772 m ·Last eruption: 1981 ·Japan - administered by Russia
  • Tomariyama [Golovnin]
    Distance: 83 km ·Caldera ·Elevation: 535 m ·Last eruption: 1848 ·Japan - administered by Russia
  • Ruruidake [Smirnov]
    Distance: 85 km ·Stratovolcano ·Elevation: 1'481 m ·Japan - administered by Russia
  • Berutarubesan [Berutarube]
    Distance: 86 km ·Stratovolcano ·Elevation: 1'221 m ·Japan - administered by Russia
  • Shiretoko-Iozan
    Distance: 118 km ·Stratovolcano ·Elevation: 1'562 m ·Last eruption: 1936 ·Japan

Radius · 100 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Yuzhno-Kurilsk Mendeleyevo AirportRussia · DEE · UHSM
    72.2 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-10-04

This selection shows geographic proximity, not a hazard zone or confirmed impacts. Distances use recorded site coordinates. Sources & data dates

Subsequent earthquakes nearby

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

First 6 hours1
First 24 hours1
First 72 hours1
Strongest subsequent eventM3.9
M3.92026-09-21 04:03:23 UTC120.4 kmKURIL ISLANDS

Comparison of seismic sources

4 sources currently report magnitudes from M5.0 to M5.2.

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

SourceMagnitudeDepthPosition difference
GFZM5.210.0 km13.1 km
EMSCM5.255.0 km3.2 km
USGSM5.064.9 km0.0 km
RESIFM5.078.2 km12.8 km

Russia

Context for this earthquake

04 Oct 2025 – 04 Oct 2026 · M ≥ 3.0 · 332 Catalogue entries

Of 331 other entries for this area and period, 76 have a higher stored magnitude. Different magnitude types and reports not yet merged limit the comparison.

Open seismic profile

Historical context nearby

Comparison with recorded earthquakes before this event within 150 km.

Magnitude rank#70
Earlier events M≥4204
Earlier events M≥580
Compared since2025-01-13

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

Strongest earlier events

M6.22025-06-21 21:23:17 UTC93.7 km88 km ESE of Nemuro, Japan M6.22025-06-18 23:08:05 UTC98.5 km90 km SE of Nemuro, Japan M6.12026-01-14 22:13:13 UTC139.2 km64 km ESE of Akkeshi, Japan M6.12025-06-21 21:23:17 UTC93.7 km88 km ESE of Nemuro, Japan M6.12025-06-21 21:23:17 UTC90.7 kmOFF COAST OF HOKKAIDO, JAPAN

Historic earthquake map · Russia

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 · Russia

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

Stats (last 24h)

Global (24h)
449
Country (24h)
Russia
0
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