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A high-level stratospheric eruption has just been recorded at Taal Volcano, the Philippines today, January 12, 2019 — the first eruption of any sort since 1977 (solar minimum of weak solar cycle 20).
A thick column of volcanic ash has been fired to an altitude of 55,000 ft (16.7 km) above sea level, according to data released by the Tokyo Volcanic Ash Advisory Center (VAAC).
Particulates ejected to altitudes above 32,800 feet (10 km) –and into the stratosphere– often linger, where they have a direct cooling effect on the planet.
PHIVOLCS has released a statement strongly recommending Taal Volcano Island as well as the high-risk barangays of Agoncillo and Laurel, Batangas be evacuated ASAP. The public is also reminded that the entire Volcano Island is in a Permanent Danger Zone (PDZ), meaning entry is currently prohibited.
In addition, communities around the Taal Lake shore are advised to take precautionary measures and be vigilant of possible lakewater disturbances related to the ongoing unrest.
more pics
Taal’s eruptive history is littered with VEI 4 eruptions, the most recent coming in 1965.
And a monster VEI 6 looks a possibility given the volcano’s distant past.
History repeats, based-largely on the cycles of the sun…
Compare 1911’s powerful eruption (see below tweet) to that of today’s; solar cycle 14, and subsequent minimum, looks very similar to the setup of the current solar cycle 24 (see below graph):
BACKGROUND
Caldera: 311 m / 1,020 ft
Luzon, Philippines: 14°N / 120.99°E
Current status: ERUPTING (4 out of 5)
Taal is one of the most active volcanoes in the Philippines and has produced some of its most powerful historical eruptions. Though not topographically prominent, its prehistorical eruptions have greatly changed the landscape of SW Luzon. The 15 x 20 km Talisay (Taal) caldera is largely filled by Lake Taal, whose 267 km2 surface lies only 3 m above sea level. The maximum depth of the lake is 160 m, and several eruptive centers lie submerged beneath the lake. The 5-km-wide Volcano Island in north-central Lake Taal is the location of all historical eruptions. The island is composed of coalescing small stratovolcanoes, tuff rings, and scoria cones that have grown about 25% in area during historical time. Powerful pyroclastic flows and surges from historical eruptions have caused many fatalities.
For more see volcano.si.edu
Full Eruption list: 1977, 1976, 1970, 1969, 1968, 1967, 1966, 1965, 1911, 1904, 1903, 1885(?), 1878, 1874, 1873, 1842, 1825, 1808, 1790, 1754, 1749, 1731, 1729, 1716, 1715, 1709, 1707, 1645, 1641, 1635, 1634, 1609, 1591, 1572
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