Kanlaon erupts sending a plume of steam up to 5.3 km a.s.l., Philippines

Kanlaon erupts sending a plume of steam up to 5.3 km a.s.l., Philippines

A series of steam and ash eruptions occurred at the active crater of Kanlaon volcano in the central Philippines starting at 01:19 UTC on June 18, 2016. Based on visual observations, the eruption lasted for around 27 minutes.

The first event was a steam and ash explosion that produced a light gray to white steam plume that rose to about 1 500 m (4 921 feet) and later lofted to about 3 km (9 842 feet) above the summit. This is 5 435 meters (17 830 feet) above sea level.

This was followed immediately by an ash eruption event, which produced a thick, black, ash plume that rose to about 500 m (1 640 feet). The third event was characterized by emission of grayish ash plume that also rose to about 500 m.

Kanlaon erupting on June 18, 2016. Credit: PHIVOLCS

Light ashfall was reported at the western slopes of the volcano in Brgy. Ara-al, Brgy. San Miguel and Brgy. Yubo, La Carlota City, Brgy. Sag-ang, La Castellana, and Brgy. Ilijan, Bago City, Negros Occidental. A light sulfuric odor was detected in Brgy. Ara-al, La Carlota City, PHIVOLCS reported.

The civil defense office said they had not received any reports of damage or people affected from the ashfall but that authorities remain on alert. 

PHIVOLCS maintains Alert Level 1 status over the volcano, which means that it is at an abnormal condition and is in a period of current unrest.

The local government units and the public are reminded that entry into the 4-kilometer (2.5 miles) radius Permanent Danger Zone (PDZ) is strictly prohibited due to the further possibilities of sudden and hazardous steam-driven or phreatic eruptions.

The official aviation warned aircraft to stay away. 

In August 1996, the volcano abruptly erupted, sending a spray of heated rocks that killed three hikers who were near the summit at the time.

Geological summary

Kanlaon volcano (also spelled Canlaon), the most active of the central Philippines, forms the highest point on the island of Negros. The massive 2435-m-high andesitic stratovolcano is dotted with fissure-controlled pyroclastic cones and craters, many of which are filled by lakes. The largest debris avalanche known in the Philippines traveled 33 km to the SW from Kanlaon.

The summit of Kanlaon contains a 2-km-wide, elongated northern caldera with a crater lake and a smaller, but higher, historically active vent, Lugud crater, to the south. Historical eruptions from Kanlaon, recorded since 1866, have typically consisted of phreatic explosions of small-to-moderate size that produce minor ashfalls near the volcano. (GVP)

Featured image:  Kanlaon erupting on June 18, 2016. Credit: PHIVOLCS

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Tags: kanlaon

Comments

FC 2 years ago

South Iceland volcano about to pop ....
http://flyingcuttlefish.wordpress.com/2016/06/20/hekla/

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