1.7MAGNITUDE

Magnitude 1.7 Earthquake in İstanbul, Turkey

4 November 2026, 00:29 · 1 h ago
Estimated intensity: I · Micro / weak
LocationAVCILAR ACIKLARI-ISTANBUL (MARMARA DENIZI)
Magnitude1.7
Depth13.3 km
Coordinates40.8802, 28.7735
Provinceİstanbul

A magnitude 1.7 earthquake was recorded near AVCILAR ACIKLARI-ISTANBUL (MARMARA DENIZI) on 4 November 2026, 00:29 Turkey time (21:29 UTC). The focal depth was about 13.3 km (shallow).

This is a micro earthquake that is usually not felt. The estimated intensity at the epicentre is I (Micro / weak).

Nearest provincial capitals: İstanbul (~23 km), Yalova (~48 km), Bursa (~80 km).

2 further earthquakes were recorded within 100 km afterwards.

Turkish version

Aftershocks and later earthquakes (100 km, 3 days)

MagnitudeLocationTime (Turkey)DepthDistance
2.0AVCILAR ACIKLARI-ISTANBUL (MARMARA DENIZI)04.11.2026 00:35 1 h ago13.5 km1 km
1.4AVCILAR ACIKLARI-ISTANBUL (MARMARA DENIZI)04.11.2026 00:54 49 min ago16.6 km2 km