Overall Green alert Volcanic eruption for Semeru
in Indonesia

Event summary

Volcanic eruption Semeru is expected to have a medium 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: 09 Dec 2021 14:56 UTC

GDACS Score

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Historical Timeline


Volcano Timeline

IDGDACS alert colorDateEruption DetailsSource
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, 2024. 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

Reservoir 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

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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.