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Pinatubo volcano eruptions

stratovolcano 1486 m / 4,875 feet
Luzon Island (Philippines), 15.13°N / 120.35°E
Eruption list: 2021?, 1992, 1991 (Plinian eruption), 1450 ± 50 years, 1050 BC ± 500, 3550 BC (?), 7030 BC ± 300, 7460 BC ± 150, 15,000 BC, 33,000 BC


2009 earthquake & lahars

On 31 October 2009 a magnitude 5.0 tectonic earthquake with a depth of 79 km hit 37 km WSW of the summit of Pinatubo volcano.
Heavy monsoon rains caused by typhoon Kiko generated heavy floods in August 2009. 12 people were killed in the town of Botolan in August 2009.

2001-2004: caldera lake changes

During 2001 the caldera lake on Mt Pinatubo rose to dangerous levels and the water changed color in January 2004.

1991 Plinian eruption of Pinatubo - the 2nd largest in the 20th century

The June 15, 1991 eruption was probably the second largest explosive eruption of the 20th century, second in size only to the Katmai 1912 eruption in Alaska. It was about ten times larger than the eruption of Mount St. Helens in 1980.
->Chronology of the 1991 eruption
[more]
Aerial view west across Pinatubo caldera showing fumaroles and crater lake. U.S. Geological Survey Photograph taken on May 18, 1992, by Willie Scott.
Aerial view west across Pinatubo caldera showing fumaroles and crater lake. U.S. Geological Survey Photograph taken on May 18, 1992, by Willie Scott.
Wed, 28 Sep 2022, 14:00

Pinatubo volcano (Luzon, Philippines) - Smithsonian / USGS Weekly Volcanic Activity Report for 21 September-27 September 2022 (Continuing Activity)

On 25 September PHIVOLCS warned of potential lahars around Pinatubo due to intense rains from a typhoon expected during 25-26 September. Significant deposits from 1991 pyroclastic density currents on the W flank may be remobilized, generating lahars down major drainages in that watershed. PHIVOLCS noted that the communities of San Marcelino, San Narciso, San Felipe, and Botolan, Zambales Province, and communities in Tarlac and Pampanga Provinces may be affected by lahars and flooding. ... Read all
Thu, 22 Sep 2022, 10:00

Pinatubo volcano (Luzon, Philippines) - Smithsonian / USGS Weekly Volcanic Activity Report for 21 September-27 September 2022 (Continuing Activity)

On 25 September PHIVOLCS warned of potential lahars around Pinatubo due to intense rains from a typhoon expected during 25-26 September. Significant deposits from 1991 pyroclastic density currents on the W flank may be remobilized, generating lahars down major drainages in that watershed. PHIVOLCS noted that the communities of San Marcelino, San Narciso, San Felipe, and Botolan, Zambales Province, and communities in Tarlac and Pampanga Provinces may be affected by lahars and flooding. ... Read all
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