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  • MAYON VOLCANO BULLETIN, 25 April 2011, 8:00 A.M.

    The seismic network around Mayon Volcano’s (13.2500°N, 123.6833°E) recorded four (4) volcanic earthquakes and one (1) rockfall related event during the past 24 hours. Weak steaming was observed drifting west-southwest. Intensity II crater glow was obs...
  • TAAL VOLCANO BULLETIN, 24 April 2011, 8:00 A.M.

    Taal Volcano's (14.0000°N, 120.9833°E) seismic network recorded twelve (12) volcanic earthquakes during the past 24 hours. Field observation and measurements conducted at the eastern sector inside the Main Crater Lake showed that the water temperature i...
  • MAYON VOLCANO BULLETIN, 24 April 2011, 8:00 A.M.

    The seismic network around Mayon Volcano's (13.2500°N, 123.6833°E) did not record any volcanic earthquake during the past 24 hours. Weak steaming was observed drifting north-northwest and west-southwest. Intensity II crater glow was observed last night....
  • BULUSAN VOLCANO BULLETIN, 24 April 2011, 8:00 A.M.

    The seismic network around Bulusan Volcano (12.7667°N, 124.0500°E) did not record any volcanic earthquake during the past 24 hours. Steaming activity was not observed due to thick clouds covering the upper slope of the volcano. Results of ground deforma...
  • TAAL VOLCANO BULLETIN, 23 April 2011, 8:00 A.M.

    Taal Volcano’s (14.0000°N, 120.9833°E) seismic network recorded nineteen (19) volcanic earthquakes during the past 24 hours. One of these events, which occurred at 12:23 midnight, was felt at Intensity II at Brgy. Calauit on the southeastern part of t...
  • BULUSAN VOLCANO BULLETIN, 23 April 2011, 8:00 A.M.

    The seismic network around Bulusan Volcano (12.7667°N, 124.0500°E) recorded four (4) volcanic earthquakes during the past 24 hours. Steaming activity at the southeast vents was wispy. Results of ground deformation survey (precise leveling) conducted l...
  • MAYON VOLCANO BULLETIN, 23 April 2011, 8:00 A.M.

    Mayon Volcano’s (13.2500°N, 123.6833°E) seismic network recorded one (1) volcanic earthquake during the past 24 hours. Weak steaming was observed drifting west-northwest and north-northwest. Intensity II crater glow was noted last night. Results of ...
  • TAAL VOLCANO BULLETIN 22 April 2011 8:00 A.M.

    Taal Volcano’s (14.0000°N, 120.9833°E) seismic network recorded eleven (11) volcanic earthquakes during the past 24 hours. One of these quakes, which occurred at 5:33 AM yesterday, was felt at Intensity I at Brgy. Calauit at the southeastern side of t...
  • MAYON VOLCANO BULLETIN 22 April 2011 8:00 A.M.

    Mayon Volcano’s (13.2500°N, 123.6833°E) seismic network recorded two (2) volcanic earthquakes during the past 24 hours. Steaming activity was not observed due to clouds covering the summit during daytime. Intensity II crater glow was noted last night....
  • BULUSAN VOLCANO BULLETIN 22 April 2011 8:00 A.M.

    The seismic network around Bulusan Volcano (12.7667°N, 124.0500°E) recorded two (2) volcanic earthquakes during the past 24 hours. Steaming activity at the southeast vents was wispy. Results of ground deformation survey (precise leveling) conducted last...

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