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Turkey

M1.5 Earthquake near Yalova Merkez (Turkey)

UTC time: 2025-08-21 21:37:20 UTC Local time: —

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About this earthquake

On August 21, 2025 at 21:37 UTC, a magnitude M1.5 earthquake occurred near Yalova Merkez (Turkey). With a focal depth of about 11 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The event was recorded by AFAD. Turkey: over the past 24 hours, QuakeMap24 logged 46 earthquakes, the strongest at M4.1.

Details

ID
2960e3de321a2fec5aadebdf1dc1e9cc54d38a75
Magnitude
M1.5
Depth
10.6 km
UTC time
2025-08-21 21:37:20 UTC
Local time
—
Country
Turkey
City
Yalova Merkez
Source
afad
Coordinates
40.55833, 29.24083
Temperature
19.8°C

Depth profile

Depth profile Depth: 10.6 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 10.6 km
Shallow
10.6 km
10.6 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

Volcanoes nearby

  • Kula
    Distance: 228 km ·Volcanic field ·Elevation: 750 m ·Turkiye
  • Nisyros
    Distance: 477 km ·Stratovolcano ·Elevation: 698 m ·Last eruption: 1888 ·Greece

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Istanbul Sabiha Gökçen International AirportTurkey · SAW · LTFJ
    38.3 kmStraight-line distance
  • Bursa Yenişehir AirportTurkey · YEI · LTBR
    43.3 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-11-15

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

Turkey

Context for this earthquake

05 Oct 2025 – 05 Oct 2026 · M ≥ 2.0 · 6,815 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

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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