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TSUNAMI ALERT LEVEL 2 PDF Print
Friday, 11 March 2011 08:02

 

Tsunami Alert Level No. 2. The concerned public is advised to BE ON ALERT FOR UNUSUAL WAVES.

Download this file (2011_0311_0546z_Alert Level 2_M88_Japan.pdf)Tsunami Alert Level No. 2

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     TSUNAMI UPDATE

 

Tsunami Update as of 10:00 PM, 11 March 2011

Download this file (Tsunami Update as of 1000PM.pdf)Tsunami Update as of 10:00 PM, 11 March 2011
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Tsunami Update as of 09:30 PM, 11 March 2011

Download this file (Tsunami Update as of 0930PM.pdf)Tsunami Update as of 09:30 PM, 11 March 2011
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Tsunami Update as of 08:00 PM, 11 March 2011

Download this file (Tsunami Update as of 0800PM.pdf)Tsunami Update as of 08:00 PM, 11 March 2011
[·] 1768 Kb

 

 


 
DOST- PHIVOLCS CALLS FOR COMPLIANCE TO BUILDING CODE AFTER SHAKING TESTS OF MASONRY HOUSES PDF Print
Thursday, 10 March 2011 03:02

 

In tests conducted at a shaking table laboratory in Tsukuba, the DOST-Philippine Institute of Volcanology and Seismology (PHIVOLCS) and Japan’s National Research Institute for Earth Science and Disaster Prevention (NIED) were able to determine that Philippine masonry houses that follow the required size of concrete hollow blocks and reinforcing bars and meticulous application of mortar can improve its performance during a strong earthquake similar to the magnitude 6.9 earthquake that struck Kobe in 1995. Masonry houses are structures with no structural beams and columns and are often the preferred houses by low-income families because these have simple design and can be easily constructed.


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THE ASH EJECTION OF BULUSAN ON FEBRUARY 21, 2011 PDF Print
Friday, 25 February 2011 05:57

Bulusan Volcano February 21, 2011 9:12 AM ash ejection  

 

 

 

 

 

 

 

 

Bulusan Volcano February 21, 2011 9:12 AM ash ejection – ash column reached an approximate height of 3km drifting south-west direction. Photo taken at the Irosin, southern part of the volcano. Courtesy of Joel Alarcon

 

 

 

 

 

 


Bulusan volcano ejected ash on February 21, 2011 at 9:12 AM. The event was recorded as explosion type earthquake lasting for about nineteen (19) minutes and was accompanied by a rumbling sound which was heard up to ten (10) kilometers away in the town of Juban, Sorsogon.

Attachments:
Download this file (bv_isopach_feb212011.pdf)21 February 2011 Eruption Fallout, Bulusan Volcano, Volume 698,000 cubic meters[[21 February 2011 Eruption Fallout, Bulusan Volcano, Volume 698,000 cubic meters]]1679 Kb
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