{"id":242726,"date":"2020-01-21T18:29:55","date_gmt":"2020-01-21T23:29:55","guid":{"rendered":"https:\/\/canadianinquirer.net\/v1\/?p=242726"},"modified":"2025-01-13T11:08:15","modified_gmt":"2025-01-13T16:08:15","slug":"phivolcs-notes-drop-in-sulfur-emission-less-quakes-in-taal","status":"publish","type":"post","link":"https:\/\/canadianinquirer.net\/v1\/2020\/01\/21\/phivolcs-notes-drop-in-sulfur-emission-less-quakes-in-taal\/","title":{"rendered":"Phivolcs notes drop in sulfur emission, less quakes in Taal"},"content":{"rendered":"
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FILE: Smoke billows out of a seemingly quiet Taal Volcano on Friday (Jan. 17, 2020). Authorities continue to monitor the volcano, which remains under Alert Level 4, as a hazardous eruption is imminent within hours or days. (PNA photo by Joey O. Razon)<\/figcaption><\/figure>\n

MANILA<\/strong>\u00a0—\u00a0Fewer sulfur dioxide (SO2) emissions and volcanic earthquakes were observed in Taal Volcano for the past 24 hours, but it remains on Alert Level 4 (hazardous explosive eruption is possible within hours to days), the Philippine Institute of Volcanology and Seismology (Phivolcs) reported on Tuesday.<\/p>\n

From 5 a.m. Monday until 5 a.m. Tuesday, Phivolcs recorded an average of 344 tonnes per day sulfur dioxide emission, notably lower compared to the 4,353 tonnes per day average emission it recorded from 5 a.m. of January 19 until 5 a.m. of January 20.<\/p>\n

Phivolcs Volcano Monitoring and Eruption Prediction Division chief Mariton Bornas, however, said they could not say that the volcano would no longer erupt because of this.<\/p>\n

“It (registered average SO2 emission) doesn’t capture the entire day,” she said, noting that the said figure was recorded only within a certain period or part of the day.<\/p>\n

There were SO2 measurements that went beyond 5,000 average tonnes per day, Bornas said, adding that the shallow magma causes the SO2 emission to fluctuate.<\/p>\n

Phivolcs director Renato Solidum earlier said that higher SO2 emission signifies that magma is going up, and that the more gas present means there is more magma.<\/p>\n

Meanwhile, there were only five volcanic earthquakes recorded from 5 a.m. of January 20 until 5 a.m. of January 21, with magnitudes 1.6 to 2.5, and with no felt intensities. This is also lower compared to the 23 volcanic earthquakes recorded in the previous day.<\/p>\n

Taal Volcano Network, which can record small earthquakes undetectable by the Philippine Seismic Network, however, recorded 17 low-frequency earthquakes.<\/p>\n

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<\/p>\n

“Such intense seismic activity likely signifies continuous magmatic intrusion beneath the Taal edifice, which may lead to further eruptible activity,” Phivolcs noted in its bulletin.<\/p>\n

Generated ash plumes for the past 24 hours were 500-600 meters tall.<\/p>\n

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Based on the Philippine Atmospheric, Geophysical and Astronomical Services Administration’s (PAGASA) wind forecast, if the eruption plume’s height reaches 3 kilometers or below, ash may be drifted to the municipalities south, southwest, west and northwest of Taal Volcano.<\/p>\n

If the plume is between 3 to 5 kilometers, ash may also be drifted to some towns of Cavite and western Laguna. Further, if a major eruption occurs within the forecast period and the eruption column exceeds 5 kilometers, ash may also be drifted to Metro Manila and parts of Laguna, Rizal, Marinduque and Quezon.<\/p>\n

The Phivolcs reiterates total evacuation of Taal Volcano Island, and high-risk areas as identified in the hazard maps within the 14-kilometer radius from Taal Main Crater, and along the Pansipit River Valley where fissures or cracks have been observed.<\/p>\n

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<\/p>\n","protected":false},"excerpt":{"rendered":"

MANILA\u00a0—\u00a0Fewer sulfur dioxide (SO2) emissions and volcanic earthquakes were observed in Taal Volcano for the past 24 hours, but it …<\/p>\n","protected":false},"author":44,"featured_media":242575,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1145,16,95],"tags":[],"class_list":["post-242726","post","type-post","status-publish","format-standard","has-post-thumbnail","category-headline","category-news","category-news-ph","mauthors-ma-cristina-arayata","mauthors-philippine-news-agency"],"_links":{"self":[{"href":"https:\/\/canadianinquirer.net\/v1\/wp-json\/wp\/v2\/posts\/242726","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/canadianinquirer.net\/v1\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/canadianinquirer.net\/v1\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/canadianinquirer.net\/v1\/wp-json\/wp\/v2\/users\/44"}],"replies":[{"embeddable":true,"href":"https:\/\/canadianinquirer.net\/v1\/wp-json\/wp\/v2\/comments?post=242726"}],"version-history":[{"count":2,"href":"https:\/\/canadianinquirer.net\/v1\/wp-json\/wp\/v2\/posts\/242726\/revisions"}],"predecessor-version":[{"id":283510,"href":"https:\/\/canadianinquirer.net\/v1\/wp-json\/wp\/v2\/posts\/242726\/revisions\/283510"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/canadianinquirer.net\/v1\/wp-json\/wp\/v2\/media\/242575"}],"wp:attachment":[{"href":"https:\/\/canadianinquirer.net\/v1\/wp-json\/wp\/v2\/media?parent=242726"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/canadianinquirer.net\/v1\/wp-json\/wp\/v2\/categories?post=242726"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/canadianinquirer.net\/v1\/wp-json\/wp\/v2\/tags?post=242726"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}