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  • MAYON VOLCANO BULLETIN, 18 September 2011, 8:00 A.M.

    Mayon Volcano’s (13.2500°N, 123.6833°E) seismic network detected two (2) volcanic earthquakes during the past 24 hours.  Weak emission of white steam drifting to the northeast could be observed. Fair crater glow (Intensity II) was observed last night...
  • MAYON VOLCANO BULLETIN 17 September 2011 8:00 A.M.

      Mayon Volcano’s (13.2500°N, 123.6833°E) seismic network detected three (3) volcanic earthquakes during the past 24 hours.  Weak to moderate emission of white steam drifting to the northwest could be observed. Fair crater glow (Intensity II) was...
  • TAAL VOLCANO BULLETIN 17 September 2011 8:00 A.M.

    Taal Volcano’s (14.0000°N, 120.9833°E) seismic network detected three (3) volcanic earthquakes during the past 24 hours.  Field measurements on 13 September 2011 at the western sector of the Main Crater Lake yielded increased water temperature of 3...
  • BULUSAN VOLCANO BULLETIN 17 September 2011 8:00 A.M.

    Bulusan Volcano’s (12.7667°N, 124.0500°E) seismic network did not detect any volcanic earthquake during the past 24 hours. Steaming activity could not be observed due to thick clouds that covered the summit crater and known thermal vents.  Ground d...
  • TAAL VOLCANO BULLETIN 16 September 2011 8:00 A.M.

    Taal Volcano’s (14.0000°N, 120.9833°E) seismic network detected one (1) volcanic earthquake during the past 24 hours.  Field measurements on 13 September 2011 at the western sector of the Main Crater Lake yielded increased water temperature of 33.6°...
  • MAYON VOLCANO BULLETIN 16 September 2011 8:00 A.M.

    Mayon Volcano’s (13.2500°N, 123.6833°E) seismic network detected three (3) volcanic earthquakes during the past 24 hours.  Visual observation was not possible due to thick clouds covering the summit during the day. However, fair crater glow (Intensit...
  • BULUSAN VOLCANO BULLETIN 16 September 2011 8:00 A.M.

    Bulusan Volcano’s (12.7667°N, 124.0500°E) seismic network detected one (1) volcanic earthquake during the past 24 hours. Steaming activity could not be observed due to thick clouds that covered the summit crater and known thermal vents.  Ground defor...
  • MAYON VOLCANO BULLETIN 15 September 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. Visual observation was not possible due to thick clouds covering the summit the whole day. Sulfur dioxide (SO2) emission rate on 08...
  • TAAL VOLCANO BULLETIN 15 September 2011 8:00 A.M.

    Taal Volcano's (14.0000N, 120.9833E) seismic network detected one (1) volcanic earthquake during the past 24 hours. Field measurements on 13 September 2011 at the western sector of the Main Crater Lake yielded increased water temperature of 33.6°C...
  • BULUSAN VOLCANO BULLETIN 15 September 2011 8:00 A.M.

    Bulusan Volcano's (12.7667°N, 124.0500°E) seismic network detected one (1) volcanic earthquake during the past 24 hours. Steaming activity could not be observed due to thick clouds that covered the summit crater and known thermal vents. Ground deformat...

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