Volcano that Probably Caused LIA, Forces Closure of Bali Airport
Posted by feww on November 4, 2015
Latest: 692 flights cancelled, 100,000+ people stranded
Eruptions intensifying at Mt. Barujari, the volcano within a volcano
The Barujari volcano, a post-caldera cone situated within the Rinjani’s caldera lake (Segara Anak), has erupted multiple times since Tuesday morning, with the intensity of the eruptions and volcanic earthquakes increasing, the National Disaster Mitigation Agency (BNPB) reported.
A large eruption occurred on Wednesday at 2.45 a.m. ejecting volcanic ash to an altitude of about 4km a.s.l., moving in the southwesterly and northwesterly directions, according to a report.
The Ngurah Rai airport in Bali was closed from 7.30 p.m. on Tuesday, with a total of 692 flights cancelled, as of posting.
Flights to Australia, Singapore and Hong Kong, by carriers including Virgin Australia, Jetstar, Cathay Pacific and KLM were among those affected, with at least 100,000 passengers stranded, according to various reports.
BPBD has imposed a 3-km exclusion zone from Mt. Rinjani’s caldera.
“Little Ice Age”
According to a recent study, four massive tropical volcanic eruptions, lasting for 50 years, may have triggered the Little Ice Age between 1275 and 1300 A.D.
Mt Rinjani Volcanic Complex is believed to have produced the largest eruption in the past 7,000 years, which lead to global cooling and failed harvest, starting in 1257.
The following bulletin is the latest issued by BPBD (Internet translation) – 4 November 2015 9:27pm (sic.)
Continued eruption of Mount Rinjani, Ngurah Rai Airport Closed Again
LOMBOK – Eruption of Mount Barujari inside the caldera of Mount Rinjani, Lombok Island, NTB continues. Based on observations PVMBG Observation Post Mount Rinjani, seismicity and eruptions with higher intensity. On Wednesday (4/11) at 2:45 pm, the eruption. The distribution of ashes toward Southwestern up to the Northwest from the eruption center at a speed of 10 knots, the surface layer up to an altitude of 14,000 feet. On the morning of the eruption of reaching 3,800 meters above sea level dpal, or 1,500 m from the summit of Mount Barujari. High atop Mount Barujari 2,300 m dpal. Smoke inclines leading to the West following the direction of the wind. Eruption and amplitude at position 40 mm.
Himawari satellite observations show the volcanic ash towards the West until the Southwestern up to Banyuwangi, East Java. These conditions cause the Ngurah Rai International Airport in Denpasar, Bali is closed again. Based on the Notice to Airman A2470 / 15, the closing force 4 November 2015 at 07:05 pm until 5 November 2015 at 07.45 pm.
Mount Rinjani is still Alert status (level II). Until now there should be no displacement. BNPB and BPBDs is coordinating contingency plan related to the eruption of Mount Rinjani. Number of people living in the area of Disaster Prone (KRB. 33 700 inhabitants, the KRB I 13,800 inhabitants, KRB II 14,700 inhabitants, and KRB III 5,300 people. People are urged to remain calm. Prohibited no community activities within a radius of 3 km from the caldera of Mount Rinjani.
Mount Rinjani has two cone in the eastern part of the lake is Mount Barujari or Tenga mountain with an altitude of 2,376 m dpal, and Gunung Mas or mountain group with an altitude of 2,110 m dpal. PVMBG specify the name of the mountain at this time because of the eruption of Mount Rinjani is appropriate nomenclature of the 127 volcanoes in Indonesia. Mount Barujadi is one cone or a child of Mount Rinjani.
Sutopo Purwo Nugroho – Head of Data Information and Public Relations BNPB