Overall Green Volcanic eruption alert for Ruang in Indonesia from 16 Apr 2024 23:13 UTC to 29 Apr 2024 23:40 UTC

GDACS is a cooperation framework between the United Nations, the European Commission and disaster managers worldwide to improve awareness, information exchange and coordination in the first phase after major sudden-onset disasters.

Overall Green alert Volcanic eruption for Ruang

in Indonesia

Event summary

Volcanic eruption Ruang is expected to have a low humanitarian impact based on the magnitude and the affected population and their vulnerability.

Name:	Ruang
Lat/Lon:	2.3 , 125.37
Event Date:	29 Apr 2024 23:40 UTC
Exposed Population 30km:	About 25000 people within 30km
Exposed Population 100km:	About 360000 people within 100km
Max Volc. Explosivity Index VEI:	4
Population exposure index:	4
Inserted at:	30 Apr 2024 06:15 UTC

GDACS Score

For more info on GDACS score click here.

Historical Timeline

Volcano Timeline

ID	Date	Eruption Details	Source
1	16 Apr 2024 23:13	High level eruption to flight level 450 (13500m) observation move w/nw of summit at 16 2250 UTC.	DARWIN
2	21 Apr 2024 00:45	Volcanic ash to flight level 70 (2100m) observation at 21 0030 UTC move southwest.	DARWIN
3	29 Apr 2024 23:40	High level eruption to flight level 630 (18900m) move w.	DARWIN

Exposed population

The eruption happened in Indonesia , Province of Sulawesi Utara (population 2,665,773) . The nearest places are Tahulandang, Haäs, Buang, Mahuneni, Ulu, Ondong, Makalehi, Kanang, and Kahuku.

Radius	Population
100 km	360000 people
75 km	78000 people
50 km	61000 people
30 km	25000 people
20 km	23000 people
10 km	19000 people
5 km	2500 people
2 km	no people

Detailed event map. European Union, 2025. Map produced by EC-JRC.
The boundaries and the names shown on this map do not imply official endorsement or acceptance by the European Union.

Affected Provinces

Region Province	Country	Population
Sulawesi Utara	Indonesia	2.7 million people
Maluku	Indonesia	2 million people
Southern Mindanao	Philippines	4.5 million people
Sulawesi Tengah	Indonesia	1.8 million people
Central Mindanao	Philippines	3.2 million people

Affected populated places

Name	Region Province	Country	City class	Population	Distance
Tahulandang	Sulawesi Utara	Indonesia	Village	-	5 km
Haäs	Sulawesi Utara	Indonesia	Village	-	6 km
Buang	Sulawesi Utara	Indonesia	Village	-	25 km
Mahuneni	Sulawesi Utara	Indonesia	Village	-	40 km
Ulu	Sulawesi Utara	Indonesia	Village	-	49 km
Ondong	Sulawesi Utara	Indonesia	Village	-	51 km
Makalehi	Sulawesi Utara	Indonesia	Village	-	53 km
Kanang	Sulawesi Utara	Indonesia	Village	-	53 km
Kahuku	Sulawesi Utara	Indonesia	Village	-	62 km

see full list

Critical infrastructure

Airports, ports, nuclear plants and hydrodams at risk, if affected, are listed below.

Airports

Name	IATA Code	Elevation (m)	Usage	Runway type	IFR	Runway Length (ft)	Distance
Sangir	SAE	unknown				0	6 km
Sam Ratulangi	MDC	80	Civ.	Paved	Yes	8200	97 km

Ports

Name	LOCODE	Country	Distance
Ulu		Indonesia	49 km
Bitung	IDBIT	Indonesia	96 km

Dams

Nuclear plants

Tsunami impact

Click on image to zoom it.

Tsunami affected locations

Initial conditions

More information

For a full list of available products related to this event, please refer to the GDACS Resources page.

Disclaimer
While we try everything to ensure accuracy, this information is purely indicative and should not be used for any decision making without alternate sources of information.
The JRC is not responsible for any damage or loss resulting from the use of the information presented on this website.
The designations employed and the presentation of material on the map do not imply the expression of any opinion whatsoever on the part of the European Union concerning the legal status of any country, territory or area or of its authorities, or concerning the delimitation of its frontiers or boundaries.