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MAYON VOLCANO UPDATE

RELEASED: 7 October 2006; 0800H

 

MONITORED PARAMETERS

OBSERVATIONS DURING THE PAST 24-HOUR PERIOD

 

PREVIOUS WEEK
 
 
Seismicity

 

Two (2) low frequency volcanic earthquakes and one (1) low frequency short duration harmonic tremor were recorded

 

 

Eleven (11) high and one (1) low frequency volcanic earthquakes and three (3) high frequency short duration harmonic tremors were recorded.
 
 
Sulfur Dioxide

(SO2) flux

 

 

                    

1,600 tonnes/day

(6 October 2006)

 

Last Reading:

 

1,300 tonnes/day

 

 

Ground Deformation

(Precise Leveling Results)

 

 

 

No reading

 

 

No reading

 

Crater glow

 

   

obscured

 

Intensity II

(04 October 2006)

 

 

 

Steaming Activity

 

 

 

         

 

                               

 

    Moderate

 

 

                               

                         

      Moderate

 

ALERT LEVEL STATUS:

                                                                       x

                                                0          1          2          3          4          5

 

REMARKS/RECOMMENDATION:

 

Alert Level 2 is still hoisted over Mayon Volcano.  The public is advised not to venture inside the six (6) km radius Permanent Danger Zone (PDZ) especially within the southeast sector where volcanic flows, falling and rolling debris may be produced from a possible explosion.

note:  This serves as the official PHIVOLCS bulletin for today.

PHIVOLCS-DOST