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Fotos al azar
Ulawun volcano
estratovolcán 2334 m / 7,657 ft
New Britain, Papua New Guinea, -5.05°S / 151.33°E
Current status: menor actividad o una advertencia erupción (3 out of 5)
Ulawun webcams / datos en tiempo real | Reports
Ulawun volcano books
Erupciones del volcán Ulawun:
2010-2011 (ongoing), 2000-08, 1994, 1993, 1989, 1985, 1984-85, 1984, 1983-84, 1980, 1978, 1973, 1970, 1967, 1963, 1960-62, 1958, 1951?, 1941, 1937?, 1927, 1919, 1918, 1915, 1898, 1878, 1700
Typical eruption style:
crecimiento del domo de lava explosivo, efusivo
Últimos terremotos cercanos
Latest satellite images

Sentinel hub | Landsat 8
Satellite image of Ulawun volcano (c)Google
Satellite image of Ulawun volcano (c)Google
 

Ulawun volcano news

Ulawun volcano (Papua New Guinea): summary of activity 1-6 Aug with sub-plinian eruption on 3 Aug

miércoles ago 07, 2019 12:05 | POR: T

RVO reported that during 1-2 August white-to-grayish vapor plumes rose from Ulawun’s summit crater and drifted NW. Incandescence from the summit crater was visible at night and jetting noises were audible for a short interval. RSAM values fluctuated but peaked at high levels.
During the night of 2-3 August crater incandescence strengthened and roaring noises became louder around 04:00. An eruption began between 04:30 and 05:00 on 3 August; booming noises commenced around 04:45.
By 06:00 dense light-gray ash emissions were drifting NW, causing ashfall in areas downwind including Ulamona Mission. Ash emissions continued through the day and grew from light to dark gray with time. The eruption intensified at 19:00 and a lava fountain rose more than 100 m above the crater rim.
A Plinian ash plume rose 19 km and drifted W and SW, causing ashfall in areas downwind such as Navo and Kabaya, and as far as Kimbe Town. The Darwin VAAC reported that the ash plume expanded radially and reached the stratosphere, rising to 19.2 km (63,000 ft) a.s.l. The plume then detached and drifted S and then SE.

The Alert Level was raised to Stage 3 (the second highest level on a four-stage scale). The areas most affected by ash and scoria fall were between Navo (W) and Saltamana Estate (NW).
Two classrooms at the Navo Primary School and a church in Navo collapsed from the weight of the ash and scoria; one of the classroom roofs had already partially collapsed during the 26 June eruption. Evacuees in tents as a result of the 26 June eruption reported damage. Rabaul town (E) also reported ashfall. Seismicity declined rapidly within two hours of the event, though continued to fluctuate at moderate levels.

According to a news source flights in and out of Hoskins airport in Port Moresby were cancelled on 4 August due to tephra fall. The Alert Level was lowered to Stage 1. Small amounts of white and gray vapor were emitted from the summit crater during 4-6 August.

Source: Smithsonian / USGS Weekly Volcanic Activity Report 31 July-6 August 2019
Noticias Anteriores
SO2 plume from Ulawun over Papua New Guinea (image: NOAA)
domingo, ago 04, 2019
No new significant ash emissions have been observed from the volcano today, but satellite images show strong heat and intense steaming from the summit crater. ... [Leer más]
domingo, ago 04, 2019
Volcanic Ash Advisory Center (VAAC) Darwin sent the following report: ... [Leer más]
Satellite image of Ulawun volcano on  4 Aug 2019
domingo, ago 04, 2019
Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Wellington warned about a volcanic ash plume that rose up to estimated 45000 ft (13700 m) altitude or flight level 450 . ... [Leer más]
sábado, ago 03, 2019
Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 45000 ft (13700 m) altitude or flight level 450 . ... [Leer más]
Himawari-8 satellite image of the eruption column at 10:30 UTC.
sábado, ago 03, 2019
Unrest has once again escalated and a new phase of major eruptive activity occurred between around 10:00 and 11:00 UTC today, sending a mushroom cloud to 19km, as in the VEI 4 eruption in June. This event appears to have been smaller and has now ended- satellite imagery shows the ash cloud drifting away from the volcano. The Rabaul Volcano Observatory sent out an alert of increasing seismicity yesterday, with more advanced warning than in June, which reflects the smaller size of this event. [Leer más]
 

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