Kanlaon volcano (Philippines) - Smithsonian / USGS Weekly Volcanic Activity Report for 20 December-26 December 2017 (New Activity / Unrest)
PHIVOLCS reported that during 19-20 December there were 412 volcanic earthquakes detected at Kanlaon. A low-energy, explosion-type earthquake was detected at 0233 on 21 December associated with gas emissions from the summit area. Later in the day steam plumes rose 400 m and drifted NE.
Wed, 20 Dec 2017, 06:0006:00 AM | BY: VN
The number of daily volcanic earthquakes increased to 957 the next day and then decreased to less than 20 per day during 22-23 December; the daily count increased to 382 and 776 events on 24 and 25 December, respectively, and then decreased to 82 on 26 December. White plumes rose 300 m and drifted NE, NW, and SW on 21 December, and 700 m on 26 December; weather clouds prevented views on the other days. The Alert Level remained at 2 (on a scale of 0-5).
Source: Philippine Institute of Volcanology and Seismology (PHIVOLCS)
From: Global Volcanism Program, 2017. Report on Kanlaon. In: Mayberry, G (ed.), Weekly Volcanic Activity Report 20 December-26 December 2017. Smithsonian Institution and US Geological Survey.
Wed, 13 Dec 2017, 06:00
Kanlaon volcano (Philippines) - Smithsonian / USGS Weekly Volcanic Activity Report for 13 December-19 December 2017 (New Activity / Unrest)
PHIVOLCS reported between 1 and 7 volcanic earthquakes at Kanlaon were recorded each day during 2-8 December, prior to the phreatic eruption on 9 December. Only three events were detected on 10 December, and then the number increased to 155 the next day. The number of daily volcanic earthquakes increased to 578 on 13 December, rising to 1,007 the next day, and peaking at 1,217 on the 15th. ... Read all
Wed, 6 Dec 2017, 06:00
Kanlaon volcano (Philippines) - Smithsonian / USGS Weekly Volcanic Activity Report for 6 December-12 December 2017 (New Activity / Unrest)
PHIVOLCS reported that an approximately 10-minute-long, low-energy phreatic eruption at Kanlaon began at 0947 on 9 December. A plume of voluminous steam and dark ash rose 3-4 km above the summit vent. The event was heard as far away as La Castellana, Negros Occidental. ... Read all