Indonesia Disaster: Flood/Landslide/Whirlwind (Feb.-Mar. 2013 vs 2012 - Worsening!)


Indonesia Humanitarian Bulletin Issue 02 | February and March 2013 [ReliefWeb; 9 April 2013]

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Indonesia Humanitarian Snapshot (February - March 2013) [ReliefWeb; 9 April 2013]

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* Floods and landslides killed 22 people in North Sulawesi in February. About 4,220 houses were damaged, 3,832 people were temporarily displaced.

* Floods killed three people and temporarily displaced around 9,923 persons in Riau in February.

* Floods killed three people and displaced around 1,145 families from six sub-districts Jayapura District, Papua in March.

*Communities affected by disasters continue to receive support from three HRF-funding projects.


Disaster incidence and impact fell as severe wet season draws to close

Flooding affected more than 60,000 people across Indonesia

High rainfalls and extreme weather forecast by the Meteorology, Climatology and Geophysics Agency (BMKG) continued to wreak havoc over the past two months, but the number of events and their humanitarian impact is much less than December 2012 and January 2013. Flooding was the main cause of humanitarian emergencies with thirty- three flood events in February and 28 in March affecting or displacing 67,242 people, including 22 people killed or missing. Flooding damaged or inundated close to 10,347 houses, and nine bridges were damaged temporarily isolating several communities.1 DKI Jakarta, Papua, East Java and South Kalimantan were the worst-affected areas.

BMKG has also reported an early end to the 2013 wet season raising concerns that a longer dry season will mean Indonesia experiences more forest fires and hot spots.


Heavy rainfall also contributed to a high number of landslide events in populated areas. Thirty-nine people were killed or missing in 35 landslides in February-March 2013. Separately, in five incidences where landslides were triggered by flooding in populated areas, twenty-nine people were killed or missing and 502 people injured. North Sulawesi and Papua were the worst-affected areas.


Whirlwinds accounted for nearly a third of disaster events in February-March 2013. Most of the whirlwinds, and the most severe, occurred in February and numbers tapered off in March. Six people were killed or missing, 18 reported injured and some 3240 houses were damaged during the two-month period. Southeast Sulawesi, East Nusa Tenggara and Gorontalo were the worst-affected areas.

Drastic disaster impact ratios in February-March 2013

February-March 2013 recorded a significantly lower disaster-impact ratio of 1:643; a fraction of the 1:6,069 recorded for January 2013. In February-March 2013 180 disaster events affected 115,700 people compared with 119 disaster events affecting 57,895 people in February-March 2012, a disaster impact ratio of 1:486.


Mt Rokatenda, in East Nusa Tenggara, erupted on 3 February displacing 80 people and again on 23 and 24 March displacing 528 people when homes and businesses in several villages were covered in thick ash. The volcano erupted again on 31 March, but there were no humanitarian consequences. Mt Dieng also erupted on 31 March, spewing poisonous carbon dioxide and sulphur dioxide into the air. There were no humanitarian consequences, but Mt Dieng was upgraded to an Alert Level III status on 27 March. As of March there are now six Alert Level III (eruption possible in the near future) volcanoes: Mt Dieng, Mt Lokon, Mt. Ijen, Mt. Rokatenda, Mt.Raung and Mt. Karangetang. Mt Guntur has been downgraded to Alert Level II (increasing unrest but no eruption imminent) status. As of March there are now 17 Alert Level II volcanoes and 125 Alert Level I (no eruption in foreseeable future) volcanoes. As of March there are no Alert Level IV (major eruption within 24 hours) volcanoes.

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