Overall Green Volcanic eruption alert for Semeru in Indonesia from 04 Dec 2021 00:00 UTC to 03 Jan 2022 00:00 UTC

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

Overall Green alert Volcanic eruption for Semeru

in Indonesia

Event summary

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

Name:	Semeru
Lat/Lon:	-8.108 , 112.922
Event Date:	03 Jan 2022 00:00 UTC
Exposed Population 30km:	About 870000 people within 30km
Exposed Population 100km:	About 19740000 people within 100km
Max Volc. Explosivity Index VEI:	3
Population exposure index:	5
Inserted at:	03 Jan 2022 09:33 UTC

GDACS Score

For more info on GDACS alert score click here.

Historical Timeline

Volcano Timeline

ID	Date	Eruption Details	Source
1	04 Dec 2021 00:00	Volcanic ash to flight level 500 (15000m) and flight level 300 (9000m) move sw, localised weak volcanic ash to flight level 150 (4500m) estimate volcanic ash dtg: 04 2100 UTC.	DARWIN
2	05 Dec 2021 00:00	Volcanic ash to flight level 500 (15000m) and flight level 300 (9000m) move sw, localised weak volcanic ash to flight level 150 (4500m).	DARWIN
3	09 Dec 2021 00:00		JRC
4	23 Dec 2021 00:00	Suspended volcanic ash to flight level 130 (3900m) move ssw observation at 22 1511 UTC.	DARWIN
5	03 Jan 2022 00:00	Volcanic ash reported to flight level 140 (4200m) at 03 2238 UTC.	DARWIN

Exposed population

The eruption happened in Indonesia , Province of Jawa Timur (population 32,960,710) . The nearest places are Gunungsriti, Gunungsawar, Poncokusumo, Gubukklakah, Bambang, Pasirian, Sendoera, Danuredjo, Toempang, Wadjak, and Surabaja.

Radius	Population
100 km	19.7 million people
75 km	10.4 million people
50 km	5.7 million people
30 km	870000 people
20 km	150000 people
10 km	9000 people
5 km	1800 people
2 km	<1000 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
Jawa Timur	Indonesia	33 million people

Affected populated places

Name	Region Province	Country	City class	Population	Distance
Gunungsriti	Jawa Timur	Indonesia	Village	-	12 km
Gunungsawar	Jawa Timur	Indonesia	Village	-	12 km
Poncokusumo	Jawa Timur	Indonesia	Village	-	13 km
Gubukklakah	Jawa Timur	Indonesia	Village	-	13 km
Bambang	Jawa Timur	Indonesia	Village	-	14 km
Pasirian	Jawa Timur	Indonesia	Village	-	19 km
Sendoera	Jawa Timur	Indonesia	Village	-	19 km
Danuredjo	Jawa Timur	Indonesia	Village	-	20 km
Toempang	Jawa Timur	Indonesia	Village	-	20 km
Wadjak	Jawa Timur	Indonesia	Village	-	20 km
Sidomukti	Jawa Timur	Indonesia	Village	-	21 km
Gorotan	Jawa Timur	Indonesia	Village	-	21 km
Dampit	Jawa Timur	Indonesia	Village	23000 people	21 km
Putus	Jawa Timur	Indonesia	Village	-	22 km
Guying	Jawa Timur	Indonesia	Village	-	23 km
Wonokitri	Jawa Timur	Indonesia	Village	-	24 km
Sumbersuko	Jawa Timur	Indonesia	Village	-	24 km
Sugro	Jawa Timur	Indonesia	Village	-	25 km
Selokambang	Jawa Timur	Indonesia	Village	-	25 km
Djarit	Jawa Timur	Indonesia	Village	-	25 km
Kertowono	Jawa Timur	Indonesia	Village	-	25 km
Kedungredjo	Jawa Timur	Indonesia	Village	-	25 km
Tempeh	Jawa Timur	Indonesia	Village	26000 people	26 km
Gedokwetan	Jawa Timur	Indonesia	Village	-	27 km
Turen	Jawa Timur	Indonesia	Village	-	28 km
Lungurdowo	Jawa Timur	Indonesia	Village	-	28 km
Pudjihardjo	Jawa Timur	Indonesia	Village	-	29 km
Condro	Jawa Timur	Indonesia	Village	-	29 km
Sumber	Jawa Timur	Indonesia	Village	-	30 km
Puspong	Jawa Timur	Indonesia	Village	-	31 km
Gondanglegi	Jawa Timur	Indonesia	Village	22000 people	32 km
Tambaksari	Jawa Timur	Indonesia	Village	-	33 km
Lumadjang	Jawa Timur	Indonesia	Village	-	34 km
Panjunan	Jawa Timur	Indonesia	Village	-	34 km
Panggungredjo	Jawa Timur	Indonesia	Village	-	34 km
Loembang	Jawa Timur	Indonesia	Village	-	34 km
Malang	Jawa Timur	Indonesia	City	730000 people	35 km
Lumajang	Jawa Timur	Indonesia	Village	-	36 km
Kunir	Jawa Timur	Indonesia	Village	-	36 km
Pandaan	Jawa Timur	Indonesia	Village	-	36 km
Djogotrunan	Jawa Timur	Indonesia	Village	-	37 km
Singasari	Jawa Timur	Indonesia	Village	-	37 km
Wagir	Jawa Timur	Indonesia	Village	-	37 km
Tekung	Jawa Timur	Indonesia	Village	-	38 km
Kepandjen	Jawa Timur	Indonesia	Village	-	38 km
Klakah	Jawa Timur	Indonesia	Village	-	38 km
Wanakerta 1	Jawa Timur	Indonesia	Village	-	38 km
Lawang	Jawa Timur	Indonesia	City	160000 people	39 km
Bajeman	Jawa Timur	Indonesia	Village	-	40 km
Sitiardjo	Jawa Timur	Indonesia	Village	-	40 km
Patokan	Jawa Timur	Indonesia	Village	-	41 km
Senggoeroeh	Jawa Timur	Indonesia	Village	-	41 km
Purworedjo	Jawa Timur	Indonesia	Village	-	42 km
Ngadjum	Jawa Timur	Indonesia	Village	-	42 km
Randoeagoeng	Jawa Timur	Indonesia	Village	-	43 km
Bandilan	Jawa Timur	Indonesia	Village	-	43 km
Bantoer	Jawa Timur	Indonesia	Village	-	43 km
Gudang	Jawa Timur	Indonesia	Village	-	45 km
Magoean	Jawa Timur	Indonesia	Village	-	45 km
Slorok	Jawa Timur	Indonesia	Village	-	45 km
Jasawilangoen	Jawa Timur	Indonesia	Village	-	46 km
Bayeman	Jawa Timur	Indonesia	Village	-	47 km
Soemberbaroe	Jawa Timur	Indonesia	Village	-	49 km
Kaliduren	Jawa Timur	Indonesia	Village	-	50 km
Probolinggo	Jawa Timur	Indonesia	City	180000 people	50 km
Kencong	Jawa Timur	Indonesia	Village	-	51 km
Sumberputjung	Jawa Timur	Indonesia	Village	-	51 km
Batu	Jawa Timur	Indonesia	Village	75000 people	51 km
Pasuruan	Jawa Timur	Indonesia	City	160000 people	51 km
Pondokdjeroek	Jawa Timur	Indonesia	Village	-	52 km
Kentjong	Jawa Timur	Indonesia	Village	-	53 km
Umbulsari	Jawa Timur	Indonesia	Village	-	55 km
Gending	Jawa Timur	Indonesia	Village	-	55 km
Djungga	Jawa Timur	Indonesia	Village	-	55 km
Bumiaju	Jawa Timur	Indonesia	Village	-	56 km
Prigen	Jawa Timur	Indonesia	Village	24000 people	56 km
Tjondong	Jawa Timur	Indonesia	Village	-	56 km
Seleket	Jawa Timur	Indonesia	Village	-	57 km
Bangil	Jawa Timur	Indonesia	Village	62000 people	58 km
Tanggul	Jawa Timur	Indonesia	Village	36000 people	59 km
Donomuljo	Jawa Timur	Indonesia	Village	-	59 km
Pudjon	Jawa Timur	Indonesia	Village	-	59 km
Semboro	Jawa Timur	Indonesia	Village	-	59 km
Cangkringmalang	Jawa Timur	Indonesia	Village	-	60 km
Karangsono	Jawa Timur	Indonesia	Village	-	63 km
Gading	Jawa Timur	Indonesia	Village	-	63 km
Tulungredjo	Jawa Timur	Indonesia	Village	-	64 km
Tembelnag	Jawa Timur	Indonesia	Village	-	65 km
Gondang	Jawa Timur	Indonesia	Village	-	66 km
Puger	Jawa Timur	Indonesia	Village	-	66 km
Kasian	Jawa Timur	Indonesia	Village	-	66 km
Wlingi	Jawa Timur	Indonesia	Village	30000 people	66 km
Kraksaan	Jawa Timur	Indonesia	Village	28000 people	67 km
Lodjedjer	Jawa Timur	Indonesia	Village	-	68 km
Djombok	Jawa Timur	Indonesia	Village	-	69 km
Surabaja	Jawa Timur	Indonesia	Major city	2.8 million people	93 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
Abdulrachman Saleh	MLG	526	Civ.	Paved	No	6400	31 km
Juanda	SUB	3	Civ.	Paved	Yes	9800	82 km

Ports

Name	LOCODE	Country	Distance
Probolinggo	IDPRO	Indonesia	53 km
Pasuruan		Indonesia	53 km
Besuki		Indonesia	94 km

Dams

Dam Name	River	Year	Distance
Sengguruh	Lesti	1988	42 km
Lahor	Brantas	1975	52 km
Karang Kates	Brantas	1973	53 km
Selorejo	Konto	1970	68 km
Wlingi	Brantas	1977	74 km

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.