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Indonesia · Kalimantan Timur

M2.9 Earthquake near Baay, Kalimantan Timur (Indonesia)

UTC time: 2026-02-28 03:10:44 UTC Local time: —

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About this earthquake

A magnitude M2.9 earthquake was recorded near Baay, Kalimantan Timur (Indonesia) on February 28, 2026 at 03:10 UTC. The hypocenter lay relatively close to the surface at around 4 km, increasing how strongly it was felt. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The event was recorded by EMSC. Indonesia: 25 earthquakes were recorded in the past 24 hours, the strongest reaching M4.3.

Details

ID
23b0c6d8aa796149d26f78122656c66972d2b8bb
Magnitude
M2.9
Depth
4.0 km
UTC time
2026-02-28 03:10:44 UTC
Local time
—
Country
Indonesia
State
Kalimantan Timur
City
Baay
County
Kutai Timur
Village
Baay
Source
emsc
Coordinates
1.23000, 117.66000
Temperature
30.2°C

Depth profile

Depth profile Depth: 4 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 4 km
Shallow
4 km
4 km — shallower than the regional average (43.4 km)
Regional average: 43.4 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

  • Colo
    Distance: 465 km ·Stratovolcano ·Elevation: 404 m ·Last eruption: 1983 ·Indonesia

Kalimantan Timur

Context for this earthquake

29 Sep 2025 – 29 Sep 2026 · M ≥ 2.0 · 33 Catalogue entries

Of 32 other entries for this area and period, 10 have a higher stored magnitude. Different magnitude types and reports not yet merged limit the comparison.

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Historic earthquake map · Indonesia

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