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Mentawai Berpotensi Gempa 9 SR dan Tsunami, BNPB Terus Lakukan Persiapan


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margosa
Mentawai Berpotensi Gempa 9 SR dan Tsunami, BNPB Terus Lakukan Persiapan
Quote:

Jakarta - Beberapa hari terakhir, sejumlah daerah digoncang gempa karena pergeseran lempengan. Terkait hal ini, Badan Nasional Penanggulangan Bencana (BNPB) terus melakukan upaya kedaruratan bencana terutama dari penelitian terbaru, wilayah Mentawai berpotensi akan digoncang gempa 9 SR disusul dengan tsunami.
"Penelitian terbaru LIPI bersama Prancis, Singapura, di Mentawaii masih ada energi dengan potensi gempa 9 SR dan langsung disusul tsunami," ujar Kepala Pusat Data Informasi dan Humas BNPB Sutopo Purwo di Graha BNPB, Jl Pramuka Raya, Jaktim, Selasa (27/7/2015).
"5 menit gempa langsung tsunami. BMKG belum keluarkan peringatan, tsunami keburu datang. 9 SR itu bangunan bisa luluh lantah, ketinggian tsunami sampai 10 meter, untuk pantai daratan di Sumbar bisa sampai 2 km, untuk sungai 5 km," sambungnya.
Untuk itu, BNPB bersama pihak-pihak terkait terus melakukan persiapan terkait potensi gempa tersebut. Pada tahun 2013, BNPB bersama 17 negara membuat simulasi gempa berskala nasional untuk menghadapi gempa dahsyat itu.
"Kita harus siapkan pemda dan warga setempat untuk menghadapi. Di situ disimulasikan kalau benar-benar terjadi gempa sebesar itu dan tsunami. Kita pakai skenario terburuk. Dilatihkan, kita kaji cepat. termasuk bantuan-bantuan, kita kerahkan dari kabupaten terdekat, lalu dari Halim pakai hercules kita dropping," jelas Sutopo.
Sejak 2012, kata Sutopo, BNPB telah memiliki master plan terkait hal ini. Bahkan BNPB juga telah banyak membangun infrastruktur, termasuk shelter-shelter pengungsi. BNPB pun juga telah memiliki pusat pengendali operasi khusus yang buka 24 jam.
"BPBD provinsi juga bangun. Harusnya pemda mengalokasikan dana agar tiap tahun digelar latihan. Malahnya warga nggak mau kalau sering-sering, karena kalau latihan toko-toko pada tutup. Bahkan sosialisasi terus ada melalui ceramah-ceramah saat salat Jumat, termasuk pendidikan bencana lewat budaya sana. Bangunan-bangunan hotel bisa untuk tempat evakuasi," tutur Sutopo.
Meski begitu, BNPB belum bisa memastikan kapan gempa besar tersebut akan terjadi. Namun jika melihat dari sejarahnya, saat ini sudah memasuki siklus 200 tahunan. "Kalau berdasarkan sejarah tsunami, ada pada 1838, dan ini memiliki siklus 200 tahun. Kita ta belum tahu pastinya kapan (gempa akan terjadi) tapi sekarang siklusnya sudah memasuki. Dampaknya besar," terangnya.
Selain daerah Mentawai atau di wilayah utara, wilayah selatan Jawa juga masih berpotensi akan terjadi gempa maupun tsunami. Juga termasuk wilayah Timur, khususnya Ambon. "Selatan Pangandaran sampai Banyuwangi sudah lepas karena ada sesmic gap. Di Selat Sunda kalau dulu ancamannya Krakatau, sekaran ada potensi 8 sampai 8,2 SR. di Ambon sudah masuk catatan 200 tahunan, ada banyak (potensi) tapi risetnya masih kurang," ucap Sutopo.
"BNPB berencana untuk riset kebencanaan tahun ini anggaran Rp 10 m. Kita bekerjsama dengan perguruan-perguruan tinggi. Kemarin sudah ada dengan UGM," tutupnya.
Seperti diketahui, pada akhir 2010 Mentawai juga telah digoncang gempa dan berdampak timbulnya tsunami. Ada seratusan lebih orang yang tewas akibat peristiwa tersebut.
(ear/rvk)
LINK
Lempengan merah patut diwaspasai setelah kemarin ada gempa 5.7 SR 111 km tenggara ciamis, disusul malang, berikutnya?



Quote:
Original Posted By update 02-03-2016

Quote:
7.9-magnitude earthquake strikes Mentawai Islands, Indonesia
KUALA LUMPUR: An earthquake with a 7.9-magnitude struck the Mentawai Islands, off the western coast of Sumatra in Indonesia at 8.49pm Malaysian time.
According to the Malaysian Meteorological Department (MetMalaysia), tremors were felt in Shah Alam, Subang and Klang in Selangor.
Tremors were also felt in Singapore, several foreign media reported.
The epicentre was located 808km southwest of Padang, according to the US Geological Survey (USGS).
The Indonesian National Meteorological Agency has issued a for West Sumatra, North Sumatra and Aceh following the 10km-deep earthquake.


http://english.astroawani.com/world-...ndonesia-97121
Quote:
7.8-magnitude quake strikes Indonesia; tsunami warning lifted: Reports
The epicentre was 808 km (502 miles) southwest of Padang, USGS said. It was 10 km (six miles) deep.
Posted 02 Mar 2016 21:08 Updated 02 Mar 2016 22:26
JAKARTA: A powerful and shallow earthquake of magnitude 7.8 that struck off the west coast of the Indonesian island of Sumatra on Wednesday (Mar 2) has resulted in casualties, but it was not yet clear how many, an official of the country's search and rescue agency told Reuters.
"There are some who have died," said Heronimus Guru, the agency's deputy head of operations, without giving details. He did not know how many, but any rescue operation will be hampered by the dark, which falls early in the tropical archipelago.
The epicentre was 808 km (502 miles) southwest of Padang, USGS said. It was 10 km (six miles) deep.
There were no immediate reports of damage or casualties but the shallower a quake, the more likely it is to cause damage. USGS originally put the magnitude at 8.2, and then 8.1, before lowering it to 7.9 .
However the USGS said there was a "low likelihood of casualties and damage," and added that there was "likely to be no affected structures in this region".
"The earthquake was felt in a big part of West Sumatra cities and Mentawai," said West Sumatra governor Irwan Prayitno to Kompas TV.
"We continue to remind residents to be careful and be on standby, but at this point, the possibility of a tsunami is smaller as compared to much earlier, about an hour ago when the quake first occurred."
Almost 1,000 Mentawai residents were at a tsunami evacuation shelter as of 9.30pm Singapore time.
"So far there have been no reports (of damage) yet," Andi Eka Sakya, an official of the National Meteorological Agency, told TVOne. "In Bengkulu (on southwest coast of Sumatra) they didn't feel it at all."
TREMORS FELT IN SINGAPORE, MALAYSIA
Residents in Singapore reported feeling tremors in areas including Bishan, East Coast, Seng Kang and Ang Mo Kio. However, Singapore is unlikely to be affected by the earthquake, said the National Environment Agency.
A Katong resident, who only wanted to be identified as Ms Amanda, said she felt tremors from her 12th-floor apartment shortly after the quake struck, at 9.05pm.
“I was lying down reading a book when suddenly I felt like the ground was moving side to side. I thought I was feeling tired, but my mum saw our lamps outside shaking, so we decided to evacuate,” she told Channel NewsAsia.
Amanda said there were about 15 residents gathered downstairs of her condominium. Her family of six stayed at the ground floor for about half an hour.
“We live quite high up, and we have two dining lamps which won’t shake if it’s just (strong) wind. It’s happened before during an earthquake as well,” said Ms Amanda of her family’s decision to self-evacuate from their apartment.
They eventually returned to their home at 9.30pm. “We just wanted to be safe first. We headed downstairs and saw other people, so that confirmed it,” she said.
Thailand's National Disaster Warning Centre had urged the public to be prepared for potential tsunamis, with the quake hitting 1,436km off the Thai resort island of Phuket, but cancelled the
Malaysian authorities have issued a statement saying that there was "no tsunami threat", despite tremors being felt in some areas in Selangor and Johor.
The quake was felt strongly in Padang in West Sumatra for a few seconds, a AFP journalist in the city said. People ran out of their homes to higher ground. Traffic ground to a halt and there was a sense of panic on the streets, the journalist added.
President Joko Widodo was staying overnight at a hotel in Medan in North Sumatra and was safe, palace officials said. A Medan resident said he didn't feel the quake.
Indonesia, especially Aceh, was badly hit by the Indian Ocean tsunami in 2004. The country straddles the so-called "Pacific Ring of Fire", a highly seismically active zone, where different plates on the earth's crust meet and create a large number of earthquakes and volcanoes.
- Reuters/AFP/CNA/yt
http://www.channelnewsasia.com/news/...e/2566302.html
Diubah oleh margosa 02-03-2016 21:36
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