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Level I – Normal No sign of increased activity. Normal community activities. Status changed: 19 Oct 2026, 16:17 WITA
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Masyarakat di sekitar G. Tangkoko dan pengunjung/wisatawan agar membatasi aktivitas (tidak berlama-lama) dan tidak bermalam di area kawah aktif,

serta tidak mendekati lubang tembusan gas yang berada di sekitar kawah untuk menghindari potensi bahaya gas beracun.

Latest report

24-hour report, 2026-10-23, 00:00-24:00 WITA · Yappie Fredrik Albert Rombot

Visual observation

The volcano is clearly visible to covered by fog 0-II. No crater smoke.

Climatology

Weather clear to cloudy, weak wind to moderate towards north and northeast. Air temperature about 24-31°C.

Seismicity

  • 8 Distant tectonic events, amplitude 48 mm, S-P 11-27 s, duration 47-132 s.

Observation photo

Visual photo of Mount Tangkoko

Latest observation photo.

Location
Bitung, Sulawesi Utara
Nearest city
Bitung
Elevation
1.334 m a.s.l.
Coordinates
1.5180000, 125.1850000

Observation-post CCTV

Gunung Tangkoko belum memiliki CCTV publik.

Volcanic hazard map (KRB)

Official Geological Agency map (2010): areas that may be hit by pyroclastic flows, lava flows, ballistic rocks, ashfall, and lahars. KRB III is closest to the source.

Peta Kawasan Rawan Bencana Gunung Tangkoko
Click the map for full size (21,4 MB). Source: Geological Agency – MAGMA Indonesia.

14-day seismicity chart

Volcanic earthquakes per day by type.

View data table
DateShallow volcanicDeep volcanicLocal tectonicDistant tectonic
25 Oct0000
24 Oct0000
23 Oct0008
22 Oct0027
21 Oct01012
20 Oct0117
19 Oct02217
18 Oct1006
17 Oct0000
16 Oct0000
15 Oct0000
14 Oct0000
13 Oct0000
12 Oct0000

Satellite imagery

Choose a layer in the top-right corner of the map. Daily images may be cloudy.

Previous reports

24-hour report, 2026-10-22, 00:00-24:00 WITA

Visual: The volcano is covered by fog 0-I to covered by fog 0-III. Crater smoke not observed.

  • 2 Local tectonic events, amplitude 17-31 mm, S-P 5-9.5 s, duration 36-41 s.
  • 7 Distant tectonic events, amplitude 16-48 mm, S-P 13-27 s, duration 61-105 s.
24-hour report, 2026-10-21, 00:00-24:00 WITA

Visual: The volcano is covered by fog 0-I to covered by fog 0-II. Crater smoke not observed.

  • 1 Deep volcanic event, amplitude 25 mm, S-P 2.7 s, duration 19 s.
  • 12 Distant tectonic events, amplitude 8 mm, S-P 12 s, duration 50 s.
24-hour report, 2026-10-20, 00:00-24:00 WITA

Visual: The volcano is covered by fog 0-I to covered by fog 0-III. Crater smoke not observed.

  • 1 Deep volcanic event, amplitude 20 mm, S-P 1.4 s, duration 19 s.
  • 1 Local tectonic event, amplitude 22 mm, S-P 8 s, duration 67 s.
  • 7 Distant tectonic events, amplitude 11-48 mm, S-P 14-45 s, duration 82-154 s.
24-hour report, 2026-10-19, 00:00-24:00 WITA

Visual: The volcano is covered by fog 0-I to covered by fog 0-III. Crater smoke not observed.

  • 2 Deep volcanic events, amplitude 10-18 mm, S-P 0.7-1.5 s, duration 14-15 s.
  • 2 Local tectonic events, amplitude 8-19 mm, S-P 4.6-5.5 s, duration 28-29 s.
  • 17 Distant tectonic events, amplitude 6-48 mm, S-P 11-52 s, duration 44-197 s.
24-hour report, 2026-10-18, 00:00-24:00 WITA

Visual: The volcano is clearly visible to covered by fog 0-II. No crater smoke.

  • 1 Shallow volcanic event, amplitude 26 mm, duration 19 s.
  • 6 Distant tectonic events, amplitude 14-48 mm, S-P 11-35 s, duration 41-83 s.

Level history

No level changes recorded since monitoring began.