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Coordinates: 7°56′30″S 112°57′00″E / 7.94167°S 112.95000°E / -7.94167; 112.95000
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:[[File:Mount Bromo HD Timelapse Movie by Justin Ng.webm|thumb|Mount Bromo HD Timelapse]]
:[[File:Mount Bromo HD Timelapse Movie by Justin Ng.webm|thumb|Mount Bromo HD Timelapse]]Untuk artikel utama yang mencakup kawasan Laut Pasir dan Gunung Semeru, lihat Taman Nasional Bromo Tengger Semeru. Gunung Bromo (Bahasa Indonesia: Gunung Bromo), adalah gunung berapi aktif dan bagian dari pegunungan Tengger, di Jawa Timur, Indonesia. Pada 2.329 meter (7.641 kaki) itu bukan puncak tertinggi dari massif, tetapi yang paling terkenal. Kawasan massif merupakan salah satu tempat wisata di Jawa Timur yang paling banyak dikunjungi, Indonesia. Gunung berapi tersebut termasuk dalam Taman Nasional Bromo Tengger Semeru. Nama Bromo berasal dari pengucapan bahasa Jawa tentang Brahma, dewa pencipta Hindu. Gunung Bromo terletak di tengah dataran yang disebut "Laut Pasir" (Bahasa Jawa: Segara Wedi atau Bahasa Indonesia: Lautan Pasir), sebuah cagar alam yang dilindungi sejak tahun 1919. Cara khas untuk mengunjungi Gunung Bromo adalah dari desa pegunungan terdekat Cemoro Lawang. Dari sana dimungkinkan untuk berjalan kaki ke gunung berapi dalam waktu sekitar 45 menit, tetapi juga memungkinkan untuk mengikuti tur jip yang terorganisir, termasuk berhenti di titik pandang di Gunung Penanjakan (2.770 m atau 9.088 kaki) (Bahasa Indonesia: Gunung Penanjakan) . Titik pandang di Gunung Penanjakan juga bisa dicapai dengan berjalan kaki sekitar dua jam. Bergantung pada tingkat aktivitas vulkanik, Pusat Vulkanologi dan Mitigasi Bencana Indonesia terkadang mengeluarkan peringatan agar tidak mengunjungi Gunung Bromo.


For the main article covering the Sand Sea and Mount Semeru areas, see [[Bromo Tengger Semeru National Park]].
== Aktivitas ==

Mount Bromo (Indonesian: Gunung Bromo), is an active volcano and part of the [[Tengger]] mountains, in [[East Java]], [[Indonesia]]. At 2,329 meters (7,641 feet) it is not the highest peak of the massif, but the most famous. The area is one of the most visited tourist destinations in East Java, and the volcano is included in the Bromo Tengger Semeru National Park. The name Bromo comes from the Javanese pronunciation of Brahma, the Hindu god of creation. Mount Bromo is located in the middle of a plain called "Sea of ​​Sand" (Javanese: Segara Wedi or Indonesian: Lautan Pasir), a nature reserve that has been protected since 1919. A typical way to visit Mount Bromo is from the nearby mountain village of Cemoro Lawang. From there it is possible to walk to the volcano in about 45 minutes, but it is also possible to take an organized jeep tour, including stops at the viewpoint of Mount Penanjakan (2,770 m or 9,088 ft) (Indonesian: Gunung Penanjakan). The sights on Mount Penanjakan can also be reached on foot in about two hours. Depending on the level of volcanic activity, the Indonesian Center for Volcanology and Disaster Mitigation sometimes issues a warning not to visit Mount Bromo

==Volcanic Activity==


=== 2004 eruptions ===
=== 2004 eruptions ===

Revision as of 12:33, 20 February 2021

Mount Bromo
View of Mts. Bromo, Semeru, Batok, and Widodaren, Tengger Caldera
Highest point
Elevation2,329 m (7,641 ft)[1]
ListingSpesial Ribu
Coordinates7°56′30″S 112°57′00″E / 7.94167°S 112.95000°E / -7.94167; 112.95000[1]
Geography
Mount Bromo is located in Java
Mount Bromo
Mount Bromo
Mount Bromo is located in Indonesia
Mount Bromo
Mount Bromo
Mount Bromo (Indonesia)
Geology
Mountain typeSomma volcano
Last eruption21 March 2019 (ongoing)[2]
Mount Bromo HD Timelapse

For the main article covering the Sand Sea and Mount Semeru areas, see Bromo Tengger Semeru National Park.

Mount Bromo (Indonesian: Gunung Bromo), is an active volcano and part of the Tengger mountains, in East Java, Indonesia. At 2,329 meters (7,641 feet) it is not the highest peak of the massif, but the most famous. The area is one of the most visited tourist destinations in East Java, and the volcano is included in the Bromo Tengger Semeru National Park. The name Bromo comes from the Javanese pronunciation of Brahma, the Hindu god of creation. Mount Bromo is located in the middle of a plain called "Sea of ​​Sand" (Javanese: Segara Wedi or Indonesian: Lautan Pasir), a nature reserve that has been protected since 1919. A typical way to visit Mount Bromo is from the nearby mountain village of Cemoro Lawang. From there it is possible to walk to the volcano in about 45 minutes, but it is also possible to take an organized jeep tour, including stops at the viewpoint of Mount Penanjakan (2,770 m or 9,088 ft) (Indonesian: Gunung Penanjakan). The sights on Mount Penanjakan can also be reached on foot in about two hours. Depending on the level of volcanic activity, the Indonesian Center for Volcanology and Disaster Mitigation sometimes issues a warning not to visit Mount Bromo

Volcanic Activity

2004 eruptions

Mount Bromo erupted in 2004. That eruptive episode led to the death of two people who had been hit by rocks from the explosion.[3]

2010 eruptions

On Tuesday, 23 November 2010, 16.30 WIB (Western Indonesian Time), the Indonesian Centre of Vulcanology and Geology Hazard Mitigation (CVGHM) confirmed the activity status of Mount Bromo at "alert" due to increasing tremor activity and shallow volcanic earthquakes at the mountain.[4] Concerns were raised that a volcanic eruption might be likely to occur. As a precaution, local residents and tourists were instructed to remain clear of an area within a radius of three kilometers from the caldera and refugee encampments were erected. The area surrounding the Teggera caldera of Bromo remained off-limits for visitors throughout the remainder of 2010.

Bromo started to violently erupt ash on Friday 26 November 2010.[5]

On 29 November 2010, Transport Ministry spokesman Bambang Ervan announced that Malang's domestic airport would be closed until 4 December 2010. Malang is a city of about 800,000 people is about 25 kilometres (16 mi) west of Mount Bromo. Abdul Rachman Saleh Airport normally handles 10 daily domestic flights from the capital Jakarta. Government volcanologist Surono reported that the volcano was spitting columns of ash some 700 metres (2,297 ft) into the sky.[6]

2011 eruptions

Bromo eruption January 22, 2011 at 5:30 am (Bromo volcano crater itself is not visible)

The Tengger Caldera was still active in late January 2011, the activity being characterised by fluctuating ongoing eruptions. On 23 January 2011, the Indonesian Centre for Volcanology and Geological Hazard Mitigation (CVGHM; Pusat Vulkanologi dan Mitigasi Bencana Geologi) reported that since 19 December 2010 volcanic ash and incandescent material had been thrown up by eruptive activity resulting in a heavy rain of material that fell around the crater. Continuous eruptions on 21 January caused a thin ash fall mainly in the village areas of Ngadirejo and Sukapura Wonokerto in Probolinggo district.

The impact of a heavy rain of volcanic ash from eruptions since 19 December 2010 resulted in disruption of normal activities. By early 2011, concerns were being raised about the effect upon the local economy and the potential for long-term environmental and health problems amongst the residents in the locality surrounding Mount Bromo. Due to high seasonal rainfall in January 2011 the potential for lahar and lava flow was raised due to the deposits of volcanic ash, sand and other ejected material that had built up. Seismic activity was dominated by tremor vibration and reports of visual intensity and sounds of eruption continued to be reported from the mountain monitoring facility, Bromo Observation Post. People living on the banks of the Perahu Ravine, Nganten Ravine and Sukapura River were alerted to the possibility of lava flows, especially when it was raining heavily in the area around Cemorolawang, Ngadisari and Ngadirejo. Eruptions and volcanic tremors were reported during the period 21 January - 22 January with activity subsiding on 23 January 2011. On 23 January 2011 at 6:00 am, the alert status at Mount Bromo remained at Level III.[7]

On 23 January 2011, an exclusion zone was recommended for communities living around Mount Bromo. Tourists and hikers were advised to not come within a radius of 2 kilometres (1.2 mi) from the active crater. CVGHM stated that they expected warning signs to be installed stating the limit radius of 2 kilometres (1.2 mi) from the crater. Operational caution was recommended for flights into and leaving Juanda International Airport IATA:SUB in Surabaya. CVGHM recommended the establishment of public areas for the provision of face masks and eye protection. CVGHM also issued a warning to residents to be cautious of ash buildup on roofs and other places that may give cause for collapse under the burden of ash.[7]

Further eruptions and the issuing of aviation ash advisories during the period 27 January - 28 January 2011 led to concerns being raised regarding a volcanic ash plume, reported to be drifting eastward toward the air corridors used to access the Ngurah Rai International Airport IATA:DPS in Bali. Airport official Sherly Yunita was reported at the time as stating that concerns about visibility had prompted Singapore Airlines, Jetstar-ValueAir, Air France-KLM, Virgin Blue and Cathay Pacific to cancel several flights to Bali, 340 km (211 mi) to the east.[8][9] SilkAir also cancelled flights on the 27 January between Singapore and Lombok, an island to the east of Bali.[10] The Volcanic Ash Advisory Centre in Darwin, Australia released several Code Red Aviation Ash Advisories pertaining to Mount Bromo (Tengger Caldera), on 27 January. They indicated that ash was observed at altitudes up to 18,000 feet (5,486 m) (FL180) extending 200 nautical miles (370 km; 230 mi) to the south east of the caldera. In other ash advisories of that day the cloud was reported as at times having a 10 km/h (6.2 mph) drift, both to the east and to the south east.[11]

Deformation-late November 2010-late January 2011

The Indonesian Centre for Volcanology and Geological Hazard Mitigation (CVGHM) reported on 13 January 2011, that deformation using tiltmeter measurements indicated an inflation at rate of 5 micro radians between 25 November 2010 - 14 December 2010 and a relatively stable since 15 December 2010 both on Radial Components and Tangential Components.

Deformation measurement using electronic distance measurement equipment compared observations at designated measuring points; POS-BRO, POS-KUR and POS-BAT during the period 25 November 2010 – 20 December 2010 with observations from the period 21 December 2010 – 30 December 2010 indicated the shortening of the distance from the POS-BAT, or inflation. Observations between 30 December 2010 - 23 January 2011 were reported as relatively stable.[7]

2015 eruption

Mount Bromo showed signs of increasing activity beginning in 4th Dec 2015, when the amount of smoke coming out of the crater intensified.[12] By late November Mount Bromo began to eject ashes into the air.[13] Indonesian Volcano Monitoring Bureau (PVBMG) issued a warning that forbade people from climbing Mount Bromo. Later, the warning was extended into a 1 km (0.62 mi) exclusion zone, before eventually extended into wider range which virtually barred visitors from coming down into the caldera floor, which is popularly known as Sandsea.[14]

Culture

Pura Luhur Poten.
See also: Tenggerese people and Yadnya Kasada

On the fourteenth day of the Hindu festival of Yadnya Kasada, the Tenggerese people of Probolinggo, East Java, travel up the mountain in order to make offerings of fruit, rice, vegetables, flowers and sacrifices of livestock to the mountain gods by throwing them into the caldera of the volcano. The origin of the ritual lies in the 15th century legend. On the sand plain, locally called Segara Wedi (lit. sand ocean), sits a Hindu temple called Pura Luhur Poten. The temple holds a significant importance to the Tenggerese scattered across the mountain villages, such as Ngadisari, Wonokitri, Ngadas, Argosari, Ranu Prani, Ledok Ombo and Wonokerso. The temple organises the annual Yadnya Kasada ceremony which lasts for about one month. The major difference between this temple and Balinese ones are the type of stones and building materials. Pura Luhur Poten uses natural black stones from volcanoes nearby, while Balinese temples are mostly made from red bricks. Inside this pura, there are several buildings and enclosures aligned in a mandala zone composition.[15]

Panoramic view of Mount Bromo crater, Mount Batok, and Semeru from the edge of Segara Wedi ("Sea of Sands").
  • View into the Mount Bromo crater
    View into the Mount Bromo crater
  • Pathway leading to Mount Bromo caldera
    Pathway leading to Mount Bromo caldera
  • Mount Bromo eruption 22 January 2011
    Mount Bromo eruption 22 January 2011
  • Ash plume from Bromo over Bali, 27 January 2011
    Ash plume from Bromo over Bali, 27 January 2011
  • Mount Bromo crater filled with water
    Mount Bromo crater filled with water
  • Mt. Bromo (large crater, foreground) at sunrise
    Mt. Bromo (large crater, foreground) at sunrise

See also

References

  1. ^ a b "Tengger Caldera". Global Volcanism Program. Smithsonian Institution. Retrieved 2010-03-10.
  2. ^ "Bromo Volcano Volcanic Ash Advisory: CONTINUOUS VA ERUPTION TO FL100 EXT TO SE". www.volcanodiscovery.com. Retrieved 2019-03-27.
  3. ^ "Javan volcano eruption kills two". BBC News. 8 June 2004. Retrieved 2014-05-06.
  4. ^ "Status Gunung Bromo menjadi Awas" (in Javanese). BBC Indonesia. 10 November 2010. Retrieved 2014-05-05.
  5. ^ AFP (27 November 2010). "Indonesia's Mount Bromo shoots ash in low-level eruption". Yahoo News. Archived from the original on 2010-11-30.
  6. ^ "Volcano closes Indonesia airport". Bangkok Post. 2010-11-29. Retrieved 27 January 2011.
  7. ^ a b c "Evaluation of the status and alert level of Mount Bromo on 23 January 2011 at 0600 hrs – (Hasil evaluasi kegiatan G. Bromo dalam status SIAGA, sampai dengan 23 Januari 2011 Pkl. 06.00 WIB)". 24 January 2011. {{cite web}}: Missing or empty |url= (help)
  8. ^ "Volcano in central Indonesia disrupts flights". The Associated Press. 27 January 2011. Archived from the original on 2019-05-13. Retrieved 2019-05-13.
  9. ^ Reuters (27 January 2011). "Airlines cancel flights to Bali as Indonesia volcano erupts". Retrieved 2019-05-14. {{cite news}}: |author= has generic name (help)
  10. ^ Leong Wee Keat (28 January 2011). "Mount Bromo eruption disrupts flights to Bali, Lombok". Today On-line, Singapore. Archived from the original on 30 January 2011. Retrieved 2011-01-28.
  11. ^ "Volcanic Ash Advisories Received in Last 7 Days". Australian government Bureau of Meteorology (VAAC)-ADVISORY#FVAU0190. 27 January 2011. Retrieved 2011-01-27.
  12. ^ "Alert Raised as East Java's Mount Bromo Smolders". Jakarta Globe. Archived from the original on 2015-12-22. Retrieved 2015-12-11.
  13. ^ "Global Volcanism Program | Tengger Caldera".
  14. ^ "Mount Bromo Closed to Visitors as Eruption Looms". Jakarta Globe. Archived from the original on 2015-12-12. Retrieved 2015-12-11.
  15. ^ "Pura Luhur Poten". uluwatu.org. Archived from the original on 2014-07-29. Retrieved 2014-05-06.
Wikimedia Commons has media related to Mount Bromo.
Wikivoyage has a travel guide for Bromo-Tengger-Semeru National Park.
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