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  2. Philippine Institute of Volcanology and Seismology - Wikipedia

    en.wikipedia.org/wiki/Philippine_Institute_of...

    PHIVOLCS Observatory at Mount Hibok-Hibok.. The Philippine Institute of Volcanology and Seismology (PHIVOLCS, Filipino:; Filipino: Surian ng Pilipinas sa Bulkanolohiya at Sismolohiya [2]) is a Philippine national institution dedicated to provide information on the activities of volcanoes, earthquakes, and tsunamis, as well as other specialized information and services primarily for the ...

  3. PHIVOLCS earthquake intensity scale - Wikipedia

    en.wikipedia.org/wiki/PHIVOLCS_Earthquake...

    The PHIVOLCS earthquake intensity scale (PEIS; Filipino: Panukat ng Pagyanig ng Lindol) [1] is a seismic scale used and developed by the Philippine Institute of Volcanology and Seismology (PHIVOLCS) to measure the intensity of earthquakes. It was developed as upon a specific response to the 1990 Luzon earthquake. PHIVOLCS cites seismic scale ...

  4. 2024–2025 Kanlaon eruption - Wikipedia

    en.wikipedia.org/wiki/2024–2025_Kanlaon_eruption

    Increased activity was recorded by PHIVOLCS in September, starting with a series of volcano-tectonic earthquakes on September 9. [13] On September 10, Kanlaon produced its highest volume of sulfur dioxide emissions since 2009, at 9,985 tonnes, prompting PHIVOLCS to raise concern over its possible first magmatic eruption since 1902. [14]

  5. List of active volcanoes in the Philippines - Wikipedia

    en.wikipedia.org/wiki/List_of_active_volcanoes...

    Eruptions were recorded from 1886 to 2006. On November 23, 2015 the volcano had a small, steam-driven explosion. PHIVOLCS raised the alert level to 1 (mild restiveness). Last eruption was on December 9, 2024 which PHIVOLCS classified as phreatic eruption. Kanlaon ejected about 3 kilometers high column of pyroclastic ash and incandescent materials.

  6. List of potentially active volcanoes in the Philippines

    en.wikipedia.org/wiki/List_of_potentially_active...

    Name Elevation () Coordinates Province(s) Last eruption m ft; Amorong: 376 1,234 Pangasinan Pleistocene: Apo: 2,954 9,692 Cotabato, Davao del Sur unknown possibly 1640s

  7. List of inactive volcanoes in the Philippines - Wikipedia

    en.wikipedia.org/wiki/List_of_inactive_volcanoes...

    The PHIVOLCS listing is the basis of this list, but with additional information, some were reclassified in the active list or the potentially active list. Volcanoes with solfataric or fumarolic activity indicating active magma supply such as Pocdol Mountains , are placed in the List of potentially active volcanoes in the Philippines .

  8. 2021 Davao del Sur earthquake - Wikipedia

    en.wikipedia.org/wiki/2021_Davao_Del_Sur_earthquake

    There was a foreshock which preceded the main quake, recorded M w 4.8 at 7:28 AM PST by Philippine Institute of Volcanology and Seismology with a PHIVOLCS Earthquake Intensity Scale of IV (Moderately Strong). [2] The foreshock lasted 10–15 seconds which made people feel dizzy and nauseated.

  9. Kanlaon - Wikipedia

    en.wikipedia.org/wiki/Kanlaon

    Kanlaon, also known as Mount Kanlaon and Kanlaon Volcano (Hiligaynon: Bolkang Kanglaon; Cebuano: Bolkang Kanglaon; Filipino: Bulkang Kanlaon), is an active andesitic stratovolcano and the highest mountain on the island of Negros in the Philippines, as well as the highest peak in the Visayas, with an elevation of 2,465 m (8,087 ft) above sea level. [1]

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