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M6.2 Earthquake near 21 km SE of Marmara Ereğlisi, Turkey (Turkey)

UTC time: 2025-04-23 09:49:10 UTC Local time: —
Earthquake newsQuakeMap24
Archive record · original publication time was not recorded

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

Magnitude
M6.2
Depth
10.0 km
Source
USGS

21 km SE of Marmara Ereğlisi, Turkey

Country overview

Map

M6.2 Earthquake near 21 km SE of Marmara Ereğlisi, Turkey (Turkey) · 2025-04-23 — Map showing the location of the epicenter
M6.2 Earthquake near 21 km SE of Marmara Ereğlisi, Turkey (Turkey) · 2025-04-23 — Map showing the location of the epicenter

About this earthquake

On April 23, 2025 at 09:49 UTC, a magnitude M6.2 earthquake occurred near 21 km SE of Marmara Ereğlisi, Turkey (Turkey). The hypocenter lay relatively close to the surface at around 10 km, increasing how strongly it was felt. Earthquakes of this magnitude can cause significant damage in populated areas.

The data is provided by USGS and cross-checked across seismological networks. Turkey: 51 earthquakes were recorded in the past 24 hours, the strongest reaching M5.2.

Details

ID
7176323388bcedcd78368b33ecd63ffa952a8987
Magnitude
M6.2
Depth
10.0 km
UTC time
2025-04-23 09:49:10 UTC
Local time
—
Country
Turkey
Source
usgs
Coordinates
40.83950, 28.14200
Temperature
11.0°C

Depth profile

Depth profile Depth: 10 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 10 km
Shallow
10 km
10 km — close to the regional average (8.6 km)
Regional average: 8.6 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

Nearby population centers

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

PlaceDistanceDirectionPopulation
Siliviri27.5 kmN53'167
Büyükçekmece42.3 kmNE163'140
Esenyurt49.6 kmNE983'571

GeoNames · CC BY 4.0

Volcanoes nearby

  • Kula
    Distance: 253 km ·Volcanic field ·Elevation: 750 m ·Turkiye
  • Nisyros
    Distance: 480 km ·Stratovolcano ·Elevation: 698 m ·Last eruption: 1888 ·Greece

Radius · 100 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Tekirdağ Çorlu AirportTurkey · TEQ · LTBU
    38.1 kmStraight-line distance
  • İstanbul AirportTurkey · IST · LTFM
    69.2 kmStraight-line distance
  • Istanbul Sabiha Gökçen International AirportTurkey · SAW · LTFJ
    98.4 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 250 km. They are not automatically classified as aftershocks.

First 6 hours41
First 24 hours69
First 72 hours72
Strongest subsequent eventM6.6
M6.22025-04-23 09:49:11 UTC3.7 kmWESTERN TURKEY M6.62025-04-23 09:49:11 UTC0.1 km M5.52025-04-23 09:49:11 UTC13.3 kmIstanbul M4.42025-04-23 09:59:29 UTC16.7 kmWESTERN TURKEY M5.52025-04-23 10:02:36 UTC38.7 kmWESTERN TURKEY M2.92025-04-23 13:25:16 UTC7.9 kmWESTERN TURKEY M3.02025-04-23 13:29:10 UTC18.6 kmWESTERN TURKEY M2.22025-04-23 13:32:08 UTC19.6 kmWESTERN TURKEY M1.32025-04-23 13:34:17 UTC23.6 kmWESTERN TURKEY M2.72025-04-23 13:45:37 UTC25.3 kmWESTERN TURKEY M1.82025-04-23 13:53:10 UTC20.1 kmWESTERN TURKEY M2.42025-04-23 13:55:25 UTC12.0 kmWESTERN TURKEY

Turkey

Context for this earthquake

04 Oct 2025 – 04 Oct 2026 · M ≥ 3.0 · 1,119 Catalogue entries

Sufficiently reliable matching data are not currently available for a direct comparison. The area profile shows the available records and their limitations.

Open seismic profile

Historical context nearby

Comparison with recorded earthquakes before this event within 250 km.

Magnitude rank#1
Earlier events M≥44
Earlier events M≥53
Compared since2025-01-21

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

Strongest earlier events

M5.72025-04-23 09:49:09 UTC21.7 kmIstanbul M5.12025-01-21 20:38:44 UTC207.1 kmDalyan M5.02025-01-21 20:38:43 UTC219.3 km4 km SW of Behram, Turkey M4.02025-04-21 17:24:39 UTC189.1 km18 km N of Simav, Turkey

Historic earthquake map · Turkey

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 · Turkey

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

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