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Tsunami in Palu TSUNAMI AWARENESS IN INDONESIA Khaerunnisa Ph.D [email protected] Brigitta Michelle S.T. Contents 01 02 03 Tsunami in Tsunami Tsunami Indonesia at a awareness Awareness in glance 1990- projects the Society 2020 • Structural • Questionnaire • Non Structural Survey TSUNAMI IN INDONESIA AT A GLANCE Picture source: theatlantic.com Indonesia is located at the confluence of three active earth plates, namely the Indo Australia plate, the Eurasian plate and the Pacific plate. This plate activity is the most frequent cause of tsunamis in Indonesia Tsunami Events in Indonesia 1990-2020 (based on death toll) Year 1990199119921993199419951996199719981999200020012002201120122013201920202003200420052006200720162008200920102014201520172018 5 166,08 0 413 1 800 11 18 9 110 5 8 25 2,03 0 4 7 238 431 2,50 20 0 0 16 (Triyono et al, 2019) Tsunami Events in Indonesia 1990-2020 (based on Richter Scale) Year 1990199119921993199419951996199719981999200020012002201120122013201920202003200420052006200720162008200920102014201520172018 8.2 9 7. 6. 8.7 8 2 6. 7.7 7.9 9 8.2 8.4 7.4 7.6 6. 7.6 7 3 7.8 . 7.8 7.7 4 7.5 (Triyono et al, 2019) Number of Tsunami Events 1990-2020 2000-2009 (8) 2010-2019 (4) • 2000: May 4 (Banggai) • 2010: October 25 (Mentawai) • 2002: October 10 (Papua) • 2012: April 11 ((Aceh) • 2004: October 11 (Alor), December 24 (Aceh) • 2018: September 28 (Donggala), • 2005: March 28 (Padang) December 22 (Banten) • 2006: March 14 (Seram), July 17 (Pangandaran) • 2007: September 12 (Bengkulu) 2004 2012 1995 2005 2000 2002 2010 2018 2006 1996 1995 2007 1996 1998 1990-1999 (7) 2006 • 1992: December 12 (Alor) 2004 1994 • 1994: March 6 (Banyuwangi) 2018 • 1995: May 14 (Papua), August 10 1992 (Halmahera) • 1996: January 1 (Donggala), February 18 (Biak) • 1998: November 29 (Taliabu) Tsunami Repetitiveness in Indonesia since 1945 (based on area) Sulawesi: 6 (1967, 1968, 1969, 1996, 2000, 2018) • Donggala: 2 (1996, 2018) Papua: 5 (1979, 1995, 1996, 2002, 2011) Maluku Islands: 4 (1965, 1995, 1998, 2006) Sumatra: 5 (2004, 2005, 2007, 2010, 2012) • Aceh: 2 (2004, 2012) Java: 3 (1994, Nusa Tenggara: 5 (1977, 1979, 1982, 1992, 2006, 2018) 2004) • Alor: 2 (1992, 2004) (Triyono et al, 2019) Tsunami Risk in Indonesia ◦ Based on the results of the risk assessment, the total number of people exposed to the risk of the tsunami disaster in Indonesia is 4,102,406 people in all provinces in Indonesia with a potential loss of up to Rp. 879 Trillion (62.2 Billion USD) https://bnpb.go.id/documents/buku-renas-pb.pdf 2004 Indian Ocean Tsunami: Impact Map Aceh 166,080 died, 6,245 lost, 2,507 injured. At least 500,000 lost their home. Aceh: Krueng Aceh: Panteraja Raya 4.5 m puddle 5 m puddle Aceh: Banda Aceh 9 m Aceh: Lhoknga 30 m puddle Aceh: Lhokruet 10 m puddle puddle North Sumatra: Serdang Bedagai North Sumatra: Nias 3 died, 1 lost 51 died and 33 lost (Triyono et al., 2019) 2004 Indian Ocean Tsunami: Comparison Before the Tsunami (Google Earth Pro) After the Tsunami (Google Earth Pro) In 2020 (Google Earth Pro) 68,000 ha land was destroyed because of the tsunami (Tempo.co, 2005) 2004 Indian Ocean Tsunami: Gampong Kajhu Saltwater ponds for shrimps Gampong Kajhu Before the Tsunami (Google Earth Pro) Gampong Kajhu Map Disaster-resilient Coastal Village in Gampong (Google Maps) Kajhu Villagers still stay in (aceh.tribunnews.com) their villages although facing high risks from tsunami. Rebuilt was helped by Indonesian Red Cross and IOM (Bonasir, 2014). Gampong Kajhu in 2009 (Google Earth Pro) Current status: Listed as one of the best 100 Gampong Kajhu Tsunami Gampong Kajhu best villages in (mongabay.co.id) (aceh.antaranews.com) Indonesia (Kementerian Desa Tsunami Impact: Only Projects: Disaster-resilient Coastal Village Pembangunan Daerah 15% villagers were safe (Destana) encourages active participations from Tertinggal dan from the tsunami the villagers. Trainings are provided by local Transmigrasi, 2018) Gampong Kajhu in 2020 (Ferdiansyah, 2018) government and NGO. (Saroji et al., 2016) (Google Earth Pro) 2004 Indian Ocean Tsunami: Deli Serdang Projects: Madani foster home was built in Deli Serdang to house children who lost their parents in the tsunami (detikNews, 2005) Deli Serdang in 2009 2004 Tsunami Impact Map Madani Foster Home in Deli Serdang (Google Earth Pro) (en.wikipedia.org) (facebook.com) Deli Serdang Map Installing WRS NewGen and Mapping Soil Vulnerability in Deli Serdang Deli Serdang in 2020 (id.wikipedia.org) (sumut.antaranews.com) (Google Earth Pro) Tsunami Impact: At least Projects: In 2020, WRS NewGen was installed in Deli Serdang Current status: Became more 51 people died in Deli (Juraidi, 2020a). The government also mapped soil vulnerability populated. Opened Kualanamu Serdang and Nias (Media in Deli Serdang to mitigate risks (Juraidi, 2020b). Shelter zones International Airport in 2013. Indonesia, 2019) for tsunami are also chosen from existing buildings such as mosques and halls. 2004 Indian Ocean Tsunami: Nias Projects: Sirombu Market in Nias was destroyed and relocated (Bangkit, 2011). Nias in 2012 (Google Earth Pro) Nias Map Sirombu Market Relocated (id.wikipedia.org) (travel.detik.com) Nias in 2020 (Google Earth Pro) Current status: Nias is a tourist Sirombu Market Destroyed Nias Evacuation Drill ITSS destination. Some beaches are (gemaniasbarat.wordpress.com) (bnpb.go.id) (ugm.ac.id) now filled by coral rocks caused by 1 to 2 m land elevation from Tsunami Impact: At least Projects: Evacuation drills have been done throughout the years the tsunami. (Yordan et al., 2017) 51 people died and 33 in Nias (Yanuarto, 2020) . An early warning systems based on people lost in Nias radon gas concentrations and groundwater levels is developed (detikNews, 2004) by UGM (Ika, 2020). Post 2004 Tsunami: Present Condition 241 people died in North Sumatra (Deli Serdang, Serdang Bedagai, Nias) (detikNews, 2005a) 2004 Tsunami Impact Map Sirombu Market Destroyed Sirombu Market Relocated (en.wikipedia.org) (gemaniasbarat.wordpress.com) (travel.detik.com) Sirombu Market in Nias was destroyed and relocated (Bangkit, 2011) After the Madani foster home tsunami, was built in Deli 10,000 Serdang to house mangrove children who lost trees were their parents in the planted in tsunami (detikNews, Cermin 2005b) Beach In 2020, WRS (Anggraeni, NewGen was 2018) installed in Deli Mangrove Planting in Sedang Bedagai Madani Foster Home in Deli Serdang Serdang (Juraidi, (goodnewsfromindonesia.id) (facebook.com) 2020) 2004 Indian Ocean Tsunami: Serdang Bedagai Before the tsunami, the beach was kept mostly natural. Cermin Beach in 2002 (Google Earth Pro) Serdang Bedagai Map Mangrove Planting in Serdang (en.wikipedia.org) Bedagai 1 (goodnewsfromindonesia.id) Recclamation after the tsunami Cermin Beach in 2005 (Google Earth Pro) Serdang Bedagai Tsunami Mangrove Planting in Serdang Current status: (sumut24.co) Bedagai 2 Beaches have been (goodnewsfromindonesia.id) built towards the Tsunami Impact: In Cermin Projects: After the tsunami, years and become Beach, the tsunami was 4 meter 10,000 mangrove trees were more populated. height and killed 3 fishermen, 1 planted in Cermin Beach lost. (Media Indonesia, 2019). Cermin Beach in 2020 (Google Earth (Anggraeni, 2018) Pro) Post 2004 Tsunami: Before the Indian Ocean Tsunami 2004 Before the Tsunami (Google Earth Pro) Aceh Map (en.wikipedia.org) Aceh is the westernmost province of Indonesia and was the closest point of land to the epicenter of the 2004 Indian Ocean earthquake and tsunami. It covers the area of 58,376.81 km2 and inhabited by around 5 million people (BPS, 2019) Aceh Before the Tsunami (arup.com) Post 2004 Tsunami: After the Indian Ocean Tsunami 2004 December 26, 2004 • 9 SR, 5-30 m far field type tsunami (tsunami that have propagation of up to 1,000 km) (Pratama, 2018) • 166,080 people died and 2,507 were After the Tsunami (Google Earth Pro) seriously injured (Triyono et al., 2019) • A tsunami early warning system has now been built along the waters between Indonesia and Thailand After Tsunami (Source: dw.com) Post 2004 Tsunami: Present Condition Aceh 2020 (Google Earth Pro) Malahayati Port Rehab Tsunami Escape Building Aceh Besar Breakwater (antarafoto.com) (dishub.acehprov.go.id) (national.tempo.co) TSUNAMI AWARENESS PROJECTS Background Structural and non structural projects Mainstreaming DRR in National Medium Term Development Plan There is already a mandate from Law Local Community National Level No. 27/2007 to include disaster risk Level/Municipal Level assessment in regional development planning. Hence it is not clear how much should be invested in disaster Resilient risk reduction at the regional level. Village This condition, supported by a Resilient democratic system in the election of BNPB BPBD City regional leaders and regional autonomy, has made the application of DRR in regional development Family based planning dependent on the good will resilience of the policy makers. Level of progress in HFA in Indonesia Community Level Tsuami awareness in Indonesia • Lack of maintenance for tsunami EWS. Budget for maintenance is only available for 70 out of total 170 censors in Indonesia (Lin & Henschke, 2018) • Some EWS are insignificant. For example, in Palu the censor is 200 km away from the beach and can only detect 6 cm wave rise (Lin & Henschke, 2018) Nationally Mandated Program : Destana (Village Resilience Programs) Java Destana Expedition in 2019 (idntimes.com) Destana Training in Aceh Destana Training in West Java (aceh.tribunnews.com) (jabarekspres.com) Disaster-resilient Villages/ sub- Destana output: districts
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