De : RSOE EDIS <havaria@rsoe.hu&gt;
Envoyé : dimanche 14 avril 2019 17:06
À : Corentin Decaen <cdecaen@geoasia.org&gt;
Objet : RSOE EDIS – Event Report – Volcano Activity : [Taal Volcano] Province of Calabarzon, Philippines, Pacific Ocean – West
Importance : Haute

 

RSOE Emergency and Disaster Information Service, Budapest, Hungary
Event report

April 14th 2019 03:04 PM – Volcano Activity – VA-20190414-67466-PHL

Base information

EDIS Code: VA-20190414-67466-PHL
Event date: April 14th 2019 03:04 PM
Category: Volcano Activity
Continent: Pacific Ocean - West
Country: Philippines
State: Province of Calabarzon
Settlement:
Location: [Taal Volcano]
Coordinate:
14.0112531,120.9976909 (WGS84 decimal)

CAP Information

Category: Geo - Geophysical (inc. landslide)
Urgency: Past - Responsive action is no longer required
Severity: Severe - Significant threat to life or property
Scope: Public - For general dissemination to unrestricted audiences
Certainty: Observed - Determined to have occurred or to be ongoing

Event details

The Philippine Institute of Volcanology and Seismology has recorded 10 volcanic earthquakes during the 24-hour observation of Taal Volcano in Batangas. Likewise, based on Phivolcs’ field measurements since April 11, the eastern sector of Taal Volcano’s main crater lake yielded an increase in water temperature from 31.7°C to 31.9°C, a decrease in water level from 0.41 meters to 0.31 meters, and increase in acidity from pH 2.67 to pH 2.95. It also measured ground deformation through precise leveling surveys from March 18 to 27, which indicated slight inflation of the edifice consistent with recent results from continuous Global Positioning System data. Taal Volcano’s alert status remains at level one due to the abnormal condition of the volcano. It has been raised from zero to one last March 28. However, Phivolcs clarified that alert level one means "hazardous eruption is not imminent." The public meanwhile is reminded that the main crater should be strictly off-limits because sudden steam explosions can occur and high concentrations of toxic volcanic gases can be released. The northern portion of the main crater rim, in the vicinity of Daang Kastila Trail, can also become hazardous when fumarolic or degassing activity along existing fissures suddenly increases. Furthermore, the public is also reminded that the entire volcano island is a permanent danger zone and permanent settlement is strictly prohibited.

Event map

Google Maps for the region of the event


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Corentin DECAEN

Corentin

Foundor of GeoAsia Spécialiste Chine/Japon

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