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  • TAAL VOLCANO BULLETIN, 26 December 2011, 8:00 A.M.

    Taal Volcano’s (14.0000°N, 120.9833°E) seismic network detected four (4) volcanic earthquakes during the past 24 hours. Field measurements on 20 December, 2011 at the western sector of the Main Crater Lake yielded slightly decreased water temperatur...
  • MAYON VOLCANO BULLETIN 25 December 2011 8:00 A.M.

    Mayon Volcano’s (13.2500°N, 123.6833°E) seismic network did not detect any volcanic earthquake during the past 24 hours. Steaming activity and crater glow could not be observed due to thick clouds covering the summit the whole day and night. Measureme...
  • BULUSAN VOLCANO BULLETIN 25 December 2011 8:00 A.M.

    Bulusan Volcano’s (12.7667°N, 124.0500°E) seismic network detected two (2) volcanic earthquakes during the past 24 hours. Steaming activity could not be observed due to thick clouds covering the summit. Ground deformation survey (precise leveling) las...
  • TAAL VOLCANO BULLETIN 25 December 2011 8:00 A.M.

    Taal Volcano’s (14.0000°N, 120.9833°E) seismic network did not detect any volcanic earthquake during the past 24 hours. Field measurements on 20 December, 2011 at the western sector of the Main Crater Lake yielded slightly decreased water temperature ...
  • MAYON VOLCANO BULLETIN 24 December 2011 8:00 A.M

    Mayon Volcano’s (13.2500°N, 123.6833°E) seismic network was not able to detect any volcanic earthquake during the past 24 hours. Weak to moderate emission of white steam clouds that drifted west-northwest and northwest was observed. No crater glow w...
  • TAAL VOLCANO BULLETIN 24 December 2011 8:00 A.M.

      Taal Volcano’s (14.0000°N, 120.9833°E) seismic network did not detect any volcanic earthquake during the past 24 hours. Field measurements on 20 December, 2011 at the western sector of the Main Crater Lake yielded slightly decreased water temperat...
  • BULUSAN VOLCANO BULLETIN 24 December 2011 8:00 A.M.

      Bulusan Volcano’s (12.7667°N, 124.0500°E) seismic network detected two (2) volcanic earthquakes during the past 24 hours. Steaming activity could not be observed due to thick clouds covering the summit. Ground deformation survey (precise leveling)...
  • BULUSAN VOLCANO ADVISORY, 23 December 2011, 8:00 A.M.

    This is a notice of increasing activity of Bulusan Volcano (12.7667°N, 124.0500°E).  For the past two weeks, above background level of seismic activity was noted. During the 24-hour observation period, the seismic network detected ten (10) volcanic ear...
  • BULUSAN VOLCANO BULLETIN, 23 December 2011, 8:00 A.M.

    Bulusan Volcano’s (12.7667°N, 124.0500°E) seismic network detected ten (10) volcanic earthquakes during the past 24 hours. Steaming activity could not be observed due to thick clouds covering the summit. Ground deformation survey (precise leveling) la...
  • MAYON VOLCANO BULLETIN, 23 December 2011, 8:00 A.M.

    Mayon Volcano’s (13.2500°N, 123.6833°E) seismic network did not detect any volcanic earthquake during the past 24 hours. Moderate emission of white steam clouds that drifted towards west-northwest was observed but crater glow could not be observed las...

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