Overall Green alert Volcanic eruption for Merapi
in Indonesia

Event summary

GREEN alert: The Merapi Volcanic eruption is unlikely to require external humanitarian assistance based on the exposed population and coping capacity.

GDACS ID VO 1000062
Name: Merapi
Lat/Lon: -7.54 , 110.446
Event Date: 12 Mar 2023 UTC
Exposed Population 30km: About 4440000 people within 30km
Exposed Population 100km: About 24400000 people within 100km
Max Volc. Explosivity Index VEI: 4
Population Exposure Index PEI: 7
Inserted at: 13 Mar 2023 07:27 UTC

GDACS Score

For more info on GDACS alert score click here.
Virtual OSOCC
Meteo assessment
Satellite products
Analytical products
Indonesia - Volcanic eruption (ECHO 13 Mar 2023)Mon, 13 Mar 2023 11:20

  • On 11 March, Mount Merapi, located between Central Java Province and the Special Region of Yogyakarta, increased its volcanic activity (still ongoing) with pyroclastic and lava flows that descended mostly into the southwestern flank from the summit.
  • Following the eruption, several villages located in the Regencies of Boyolali and Magelang have been affected by volcanic ash but there have been no reports of significant humanitarian impact.
  • National authorities issued a 7 km potential danger zone from the crater, the potential hazard is in the form of pyroclastic flows and lava flows through the south-southwest sector including the Boyong River for a maximum of 5 km, the Bedog River, Krasak, Bebeng for a maximum of 7 km and through the southeastern sector that includes the Woro River for a maximum of 3 km and the Gendol River for 5 km. 
Detailed event map. European Union, 2023. 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.

Updates on volcanic activity (Smithsonian)

The Smithsonian/USGS Weekly Volcanic Activity Report provides information about global volcanism on a weekly basis. Latest Merapi report has been published on 08 Mar 2023 08:06.
BPPTKG reported that the eruption at Merapi (on Java) continued during 24 February-2 March and seismicity remained at high levels. The SW lava dome produced two lava avalanches that traveled as far as 1 km down the SW flank (upstream in the Bebeng and Boyong drainages). No significant morphological changes to the central and SW lava domes were evident in webcam images. The Alert Level remained at 3 (on a scale of 1-4), and the public was warned to stay 3-7 km away from the summit based on location. Source: Balai Penyelidikan dan Pengembangan Teknologi Kebencanaan Geologi (BPPTKG)
See the detail here

Latest media headlines

Articles: 103 | About casualties: 1 | Last hour: 0

Temblor en Chile: sismo de 2.8 de magnitud en Ollagüe2023-03-16T16:36+0100.

Un sismo de magnitud 2.8 sacudió a la ciudad chilena de Ollagüe este jueves 16 de marzo, así lo dio a conocer el Centro Sismológico Nacional (CSN). Según la información hasta ahora publicada, el movimiento telúrico comenzó a las 12:04 horas
...(more)
Tiembla en Chile: sismo de magnitud 2.9 con epicentro en la ciudad de ... 2023-03-16T15:58+0100.

El Centro Sismológico Nacional (CSN) informó sobre un temblor de 2.9 de magnitud con epicentro a 104.0 kilómetros de la ciudad chilena de Tierra Amarilla. Información preliminar señala que el sismo inició a las 11:34 horas (hora local) de e
...(more)
Se siente sismo de magnitud 3.6 en la ciudad de Tirúa2023-03-16T14:40+0100.

Un sismo de magnitud 3.6 sorprendió a los habitantes de la ciudad chilena de Tirúa este jueves 16 de marzo, así lo señalan datos el Centro Sismológico Nacional (CSN). Según la información preliminar, la actividad sísmica comenzó a las 09:59
...(more)
Chile: se percibe sismo de magnitud 3.2 en la ciudad de Vichuquén2023-03-16T13:06+0100.

Un temblor de 3.2 de magnitud y con una profundidad de 38.0 kilómetros alertó a los pobladores de la ciudad de Vichuquén. El episodio tuvo como epicentro la coordenadas -72.174 grados de longitud y -34.961 grados de latitud, es decir a 18.0
...(more)

View more news

Estimated casualties (PAGER)

USGS estimates the number of casualties for each earthquake for the Prompt Assessment of Global Earthquakes for Response (PAGER) product.
The graph shows the current fatalities estimate.

Exposed population

Data, images, links, services and documents

For this events, GDACS has links to information from the following sources: EC-JRC (33), (2), INGV (2), DesInventar (1), WMO (1), INFORM (2),