Philippine officials said Saturday they're bracing for a long crisis whether the Taal volcano erupts more disastrously or simmers precariously for weeks or months, as massive numbers of displaced villagers languish in emergency shelters. Health Secretary Francisco Duque III said more than 900 villagers who fell ill have been treated, mostly for exposure to volcanic ash, in evacuation sites since the volcano began erupting in Batangas province near Manila, the capital, last weekend. About 125,000 people fled from ash-blanketed villages and crammed into hundreds of emergency centres in Batangas alone and many others took shelter in relatives' homes, disaster-response officials said, appealing for masks, bottled water, portable toilets, food and sleeping mats."It's really massive because you're talking of more or less 100,000 evacuees in evacuation centres, so the infrastructure and services needed are really huge," Duque said.
"This is not going to be for the short term, but for the medium if not long term."After belching a massive plume of ash and steam more than 15 kilometres (9 miles) into the sky when it rumbled back to life last Sunday, Taal has been spewing smaller emissions and shuddering with fewer earthquakes in recent days. But despite a perceived waning of its restiveness, continuing volcanic quakes, the drying of Taal's crater lake and other signs indicate magma is moving beneath, said Renato Solidum, who heads the Philippine Institute of Volcanology and Seismology.
Could a larger eruption, which is increasingly expected, affect the global climate?
Sulfur dioxide is what causes the yellowish-brown pollution seen in the air after an eruption, and can be hazardous to people, plants and animals. When an eruption is big and strong enough to send massive amounts of it into the stratosphere, which starts about six miles above Earth, it turns into an aerosol that can be disbursed around the globe and reflect the sun's rays. "The more SO2 is emitted, the more likely it is that the eruption will impact climate," Simon Carn, a volcanologist at Michigan Technological University, told weather.com in an email Thursday. "The SO2 is critical because it converts over time into sulfate aerosol (small droplets of sulfuric acid and water), and it is these aerosol particles that reflect incoming solar radiation (sunlight) and reduce temperatures." The Weather Channel
It could be hours away or it could be weeks away, but the Philippines Taal Volcano next eruption is imminent and when it blows, depending on the size of the eruption, the Taal Volcano could cause global cooling, global crop failures and food shortages across the planet by spewing climate cooling Sulfur dioxide into the stratosphere.
It has happened before.
A Year Without Summer!
ERUPTION UPDATE FOR TAAL VOLCANO ALERT LEVEL 4 (HAZARDOUS ERUPTION IMMINENT): 19 JANUARY 2020 06:00 PM.
Taal Volcano’s activity has been generally characterized by weak emission of steam-laden plumes 300 to 500 meters high from the Main Crater that drifted to the general southwest. The Philippine Seismic Network (PSN) plotted a total of seven hundred one (701) volcanic earthquakes since 1:00 PM, January 12, 2020. One hundred seventy-six (176) of these were felt with intensities ranging from Intensity I to V. Since 5:00 AM to 4:00 PM today, there were ten (10) volcanic earthquakes plotted, including one (1) felt event with an intensity I. From 5:00 AM to 4:00 PM today, the Taal Volcano Network, which can record small earthquakes undetectable by the PSN, recorded two hundred forty-four (244) volcanic earthquakes including three (3) low-frequency earthquakes. Such intense seismic activity likely signifies continuous magmatic intrusion beneath the Taal edifice, which may lead to further eruptive activity.
Latest sulfur dioxide (SO2) emission was measured at an average of 4353 tonnes/day today at 5:00 PM. Alert Level 4 remains in effect over Taal Volcano. This means that hazardous explosive eruption is possible within hours to days. DOST-PHIVOLCS strongly reiterates total evacuation of Taal Volcano Island and high-risk areas as identified in the hazard maps within the 14-km radius from Taal Main Crater and along the Pansipit River Valley where fissuring has been observed. Based on PAGASA wind forecast, if the eruption plume remains below five (5) km, ash will be drifted to south and southwest of the Main Crater; however, if a major eruption occurs during the day and eruption column exceeds 5 km, ash will also be drifted to the eastern and northeastern sectors and may fall on portions of Batangas, Laguna and Quezon. Residents around the volcano are advised to guard against the effects of heavy and prolonged ashfall. Civil aviation authorities must advise pilots to avoid the airspace around Taal Volcano as airborne ash and ballistic fragments from the eruption column pose hazards to aircraft. DOST-PHIVOLCS is continually monitoring the eruption and will update all stakeholders of further developments. PHIVOLCS Latest Bulletin
Volcano Eruptions 2020