Timely and Reliable Philippine Weather Forecast

Philippine Standard Time

Volcanic Eruption

Issued on December 15, 2017

As of 10:30 AM

RAINFALL ADVISORY No. 2 #VIS_PRSD Iloilo Radar
Weather System: TS “URDUJA”
Issued at 10:30 AM, 15 December 2017

Light to moderate with occasional heavy rains affecting portions of #Capiz; northern part of #NegrosOccidental and of #Iloilo which may continue for 2-3 hours.


Issued on November 24, 2015

As of 6:55 AM

This is a notice for the raising of the Alert Level for Kanlaon Volcano (10.41167°N, 123.13167°E) from Alert Level 0 to Alert Level 1.

At 9:55 P.M. yesterday (November 23, 2015), a steam explosion from Kanlaon’s summit crater occurred for approximately 8 minutes based on visual observation. The event was recorded by the Kanlaon Volcano seismic network as an explosion signal beginning at 9:30 P.M. and lasted 30 minutes. The explosion produced a 1.0 – 1.5 kilometer-high white plume above the summit before drifting towards the southwest. Audible rumbling sound was heard in Sitio Mananawin and Sitio Upper Pantao, Brgy. Pula, Canlaon City, Negros Oriental. Only four (4) volcanic earthquakes had been recorded during the past week by the Kanlaon Network, but after the explosion, the network recorded volcanic tremor that lasted for five (5) hours. Continuous emission of steam with minor ash from the summit crater has been observed this morning, while previously there was none.

Alert Level 1 status now currently prevails over Kanlaon Volcano, which means that it is at an abnormal condition and has entered a period of unrest. The local government units and the public are strictly reminded that entry into the 4-kilometer radius Permanent Danger Zone (PDZ) is strictly prohibited due to the further possibilities of sudden and hazardous steam-driven or phreatic eruptions. Civil aviation authorities must also advise pilots to avoid flying close to the volcano’s summit as ejecta from any sudden phreatic eruption can be hazardous to aircraft. DOST-PHIVOLCS is closely monitoring Kanlaon Volcano’s activity and any new development will be relayed to all concerned.


Issued on November 11, 2015

As of 2:59 PM

‪#‎VIS_PRSD‬
@ 2:59 PM 11 Nov 2015

 

Light to moderate rains affecting over ‪#‎NegrosOriental‬(Pamplona, Amlan, Sibulan) and nearby areas which may continue for 30mins to an hour.


Issued on October 16, 2015

As of 10:43 PM

RR Update ‪#‎VIS_PRSD‬
@ 10:43 PM 16 Oct 2015
Lgt-mod rains affecting over ‪#‎NegrosOccidental‬(Cauayan, Ilog, Himamaylan City, Binalbagan, Isabela); ‪#‎NegrosOriental‬(Guinhulngan City,La Libertad, Canlaon City, Vallehermoso, Basay, Pamplona) & nearby areas w/c may continue for 30min-an hour.
Xpct lgt-mod rains over ‪#‎Cebu‬(Pinamungahan, Toledo City) w/in 30min-an hour .


Issued on August 11, 2015

As of 10:00 AM

THUNDERSTORM WATCH #NCR_PRSD 
Issued at: 10:00 AM 11 August 2015

Thunderstorm is MORE likely to develop over NationalCapitalRegion within 12 hours. All are advised to continue monitoring for updates.


Issued on June 19, 2015

As of 4:00 PM

BULUSAN VOLCANO ADVISORY
19 June 2015
4:00 PM

Bulusan Volcano (12.7667°N, 124.0500°E) generated a steam-driven explosion at 2:55 PM today. The event lasted for approximately 7 minutes based on the seismic record and produced a 1.5 kilometer-high grayish ash plume that drifted towards the west-southwest. A low-level distended ash cloud on the upper northwest flank, possibly from a short pyroclastic flow, was also observed.

Alert Level 1 (abnormal) status is maintained over Bulusan Volcano. This indicates that hydrothermal processes are underway beneath the volcano that may lead to more steam-driven eruptions. The local government units and the public are reminded that entry to the 4-kilometer radius Permanent Danger Zone (PDZ) is strictly prohibited due to the possibility of sudden and hazardous steam-driven or phreatic eruptions. Civil aviation authorities must also advise pilots to avoid flying close to the volcano’s summit as ejecta from any sudden phreatic eruption can be hazardous to aircraft. Furthermore, people living within valleys and along river/stream channels especially on the northwest sector of the edifice (Juban) should be vigilant against sediment-laden stream flows and lahars in the event of heavy and prolonged rainfall. DOST-PHIVOLCS is closely monitoring Bulusan Volcano’s activity and any new development will be relayed to all concerned.


Issued on June 15, 2015

As of 1:46 PM

DEPARTMENT OF SCIENCE AND TECHNOLOGY
PHILIPPINE INSTITUTE OF VOLCANOLOGY AND SEISMOLOGY
 EARTHQUAKE INFORMATION NO. :  1  
PHIVOLCS Bldg, C.P. Garcia Avenue, U.P.- Diliman, Quezon City, PHILIPPINES
Tel.: 426-1468  Fax: 927-1087

Date/Time                    :

15 Jun 2015 - 01:46:35 PM

Location                       :

16.42°N, 122.14°E - 008 km N 71° W of Dilasag (Aurora)

Depth of Focus (Km)     :

012

Origin                           :

TECTONIC

Magnitude                   :

Ms 3.2

Description: EPICENTRAL MAP

Reported Intensities     :

 

 

 

 

11.20a 
2015_0615_0546_M32D012_B1
 

Expecting Damage       :

NO

Expecting Aftershocks  :

NO

Issued On                      :

15 June 2015 - 01:58 PM

Prepared by                  :

JVF/KMG/RSM/EQA

IMPORTANT

 This will be the only bulletin issued unless additional information     
 becomes available

 

 


As of 9:58 AM

DEPARTMENT OF SCIENCE AND TECHNOLOGY
PHILIPPINE INSTITUTE OF VOLCANOLOGY AND SEISMOLOGY
 EARTHQUAKE INFORMATION NO. :  1  
PHIVOLCS Bldg, C.P. Garcia Avenue, U.P.- Diliman, Quezon City, PHILIPPINES
Tel.: 426-1468  Fax: 927-1087

Date/Time                    :

15 Jun 2015 - 09:58:49 AM

Location                       :

14.81°N, 120.06°E - 016 km S 11° W of San Antonio (Zambales)

Depth of Focus (Km)     :

022

Origin                           :

TECTONIC

Magnitude                   :

Ms 2.4

Description: EPICENTRAL MAP

Reported Intensities     :

 

 

 

 

8.11 
2015_0615_0158_M24D022_B1
 

Expecting Damage       :

NO

Expecting Aftershocks  :

NO

Issued On                      :

15 Jun 2015 - 10:06 AM

Prepared by                  :

JVF/KMG/RSM/VHG/EQA/EAM

IMPORTANT

 This will be the only bulletin issued unless additional information     
 becomes available

 

 


Issued on June 12, 2015

As of 4:54 AM

DEPARTMENT OF SCIENCE AND TECHNOLOGY
PHILIPPINE INSTITUTE OF VOLCANOLOGY AND SEISMOLOGY
 EARTHQUAKE INFORMATION NO. :  1  
PHIVOLCS Bldg, C.P. Garcia Avenue, U.P.- Diliman, Quezon City, PHILIPPINES
Tel.: 426-1468  Fax: 927-1087

Date/Time                    :

12 Jun 2015 - 04:54:39 AM

Location                       :

07.98°N, 127.23°E - 087 km N 59° E of Baganga (DAVAO ORIENTAL)

Depth of Focus (Km)     :

046

Origin                           :

TECTONIC

Magnitude                   :

Ms 3.8

Description: EPICENTRAL MAP

Reported Intensities     :

 

 

 

 

9.11 
2015_0611_2054_M38D045_B1
 

Expecting Damage       :

NO

Expecting Aftershocks  :

NO

Issued On                      :

12 Jun 2015 - 05:04 AM

Prepared by                  :

MCE / RGA / MCA

IMPORTANT

 This will be the only bulletin issued unless additional information     
 becomes available

 

 


Issued on June 11, 2015

As of 12:44 AM

DEPARTMENT OF SCIENCE AND TECHNOLOGY
PHILIPPINE INSTITUTE OF VOLCANOLOGY AND SEISMOLOGY
 EARTHQUAKE INFORMATION NO. :  1  
PHIVOLCS Bldg, C.P. Garcia Avenue, U.P.- Diliman, Quezon City, PHILIPPINES
Tel.: 426-1468  Fax: 927-1087

Date/Time                    :

11 Jun 2015 - 12:44:00 AM

Location                       :

17.28°N, 119.79°E - 071 km S 62° W of Santa Catalina (Ilocos Sur)

Depth of Focus (Km)     :

027

Origin                           :

TECTONIC

Magnitude                   :

Ms 3.0

Description: EPICENTRAL MAP

Reported Intensities     :

 

 

 

 

8.11 
2015_0610_1644_M30D026_B1
 

Expecting Damage       :

NO

Expecting Aftershocks  :

NO

Issued On                      :

11 Jun 2015 - 12:59 AM

Prepared by                  :

EBO/NMC/MTM

IMPORTANT

 This will be the only bulletin issued unless additional information     
 becomes available

 

 


Issued on June 10, 2015

As of 7:44 AM

DEPARTMENT OF SCIENCE AND TECHNOLOGY
PHILIPPINE INSTITUTE OF VOLCANOLOGY AND SEISMOLOGY
 EARTHQUAKE INFORMATION NO. :  1  
PHIVOLCS Bldg, C.P. Garcia Avenue, U.P.- Diliman, Quezon City, PHILIPPINES
Tel.: 426-1468  Fax: 927-1087

Date/Time                    :

10 Jun 2015 - 07:44:13 AM

Location                       :

10.68°N, 124.94°E - 008 km N 17° W of Mahaplag (Leyte)

Depth of Focus (Km)     :

023

Origin                           :

TECTONIC

Magnitude                   :

Ms 3.3

Description: EPICENTRAL MAP

Reported Intensities     :

 

 

 

 

8.11 
2015_0609_2344_M33D022_B1
 

Expecting Damage       :

NO

Expecting Aftershocks  :

NO

Issued On                      :

10 Jun 2015 - 07:53 AM

Prepared by                  :

KMG/MCA/DSS

IMPORTANT

 This will be the only bulletin issued unless additional information     
 becomes available

 


Issued on June 9, 2015

As of 3:09 AM

DEPARTMENT OF SCIENCE AND TECHNOLOGY
PHILIPPINE INSTITUTE OF VOLCANOLOGY AND SEISMOLOGY
 EARTHQUAKE INFORMATION NO. :  1  
PHIVOLCS Bldg, C.P. Garcia Avenue, U.P.- Diliman, Quezon City, PHILIPPINES
Tel.: 426-1468  Fax: 927-1087

Date/Time                    :

09 Jun 2015 - 03:09:44 AM

Location                       :

09.94°N, 126.71°E - 063 km N 75° E of General Luna (Surigao Del Norte)

Depth of Focus (Km)     :

007

Origin                           :

TECTONIC

Magnitude                   :

Ms 3.5

Description: EPICENTRAL MAP

Reported Intensities     :

 

 

 

 

8.11 
2015_0608_1909_M35D006_B1
 

Expecting Damage       :

NO

Expecting Aftershocks  :

NO

Issued On                      :

09 Jun 2015 - 03:21 AM

Prepared by                  :

GGN / AAP / HCP

IMPORTANT

 This will be the only bulletin issued unless additional information     
 becomes available

 


Issued on May 29, 2015

As of 1:24 AM

DEPARTMENT OF SCIENCE AND TECHNOLOGY
PHILIPPINE INSTITUTE OF VOLCANOLOGY AND SEISMOLOGY
 EARTHQUAKE INFORMATION NO. :  1  
PHIVOLCS Bldg, C.P. Garcia Avenue, U.P.- Diliman, Quezon City, PHILIPPINES
Tel.: 426-1468  Fax: 927-1087

Date/Time                    :

29 May 2015 - 01:24:09 AM

Location                       :

09.65°N, 123.48°E - 013 km S 26° W of Dalaguete (Cebu)

Depth of Focus (Km)     :

016

Origin                           :

TECTONIC

Magnitude                   :

Ms 3.4

Description: EPICENTRAL MAP

Reported Intensities     :

 

 

 

 

8.11 
2015_0528_1724_M34D016_B1
 

Expecting Damage       :

NO

Expecting Aftershocks  :

NO

Issued On                      :

29 May 2015 - 01:39 AM

Prepared by                  :

JVF/MTM/RRS

IMPORTANT

 This will be the only bulletin issued unless additional information     
 becomes available

 


Issued on May 13, 2015

As of 5:00 AM

DEPARTMENT OF SCIENCE AND TECHNOLOGY
PHILIPPINE INSTITUTE OF VOLCANOLOGY AND SEISMOLOGY
 EARTHQUAKE INFORMATION NO. :  1  
PHIVOLCS Bldg, C.P. Garcia Avenue, U.P.- Diliman, Quezon City, PHILIPPINES
Tel.: 426-1468  Fax: 927-1087

Date/Time                    :

13 May 2015 - 05:00:19 AM

Location                       :

12.43°N, 125.59°E - 029 km N 19° E of San Policarpo (Eastern Samar)

Depth of Focus (Km)     :

025

Origin                           :

TECTONIC

Magnitude                   :

Ms 3.8

Description: EPICENTRAL MAP

Reported Intensities     :

 

 

 

 

8.11 
2015_0512_2100_M38D025_B1
 

Expecting Damage       :

NO

Expecting Aftershocks  :

NO

Issued On                      :

13 May 2015 - 05:09 AM

Prepared by                  :

EBO/RGA/NMG

IMPORTANT

 This will be the only bulletin issued unless additional information     
 becomes available

 


As of 5:05 AM

DEPARTMENT OF SCIENCE AND TECHNOLOGY
PHILIPPINE INSTITUTE OF VOLCANOLOGY AND SEISMOLOGY
 EARTHQUAKE INFORMATION NO. :  1  
PHIVOLCS Bldg, C.P. Garcia Avenue, U.P.- Diliman, Quezon City, PHILIPPINES
Tel.: 426-1468  Fax: 927-1087

Date/Time                    :

13 May 2015 - 05:05:49 AM

Location                       :

12.33°N, 125.68°E - 025 km N 48° E of San Policarpo (Eastern Samar)

Depth of Focus (Km)     :

027

Origin                           :

TECTONIC

Magnitude                   :

Ms 3.8

Description: EPICENTRAL MAP

Reported Intensities     :

 

 

 

 

8.11 
2015_0512_2105_M38D027_B1
 

Expecting Damage       :

NO

Expecting Aftershocks  :

NO

Issued On                      :

13 May 2015 - 05:17 AM

Prepared by                  :

EBO/RGA/NMD

IMPORTANT

 This will be the only bulletin issued unless additional information     
 becomes available

 


Issued on May 7, 2015

As of 8:00 AM

BULUSAN VOLCANO BULLETIN 07 May 2015 8:00 A.M. This serves as a notice for the raising of Bulusan Volcano’s status from Alert Level 0 (normal) to Alert Level 1 (abnormal). At 9:46 PM yesterday (May 6, 2015), Bulusan Volcano (12.7667°N, 124.0500°E) in Sorsogon Province generated a steam-driven explosion from a vent on its northwest upper slopes that propelled an ash plume approximately 250 m high before it drifted west. The explosion event lasted 3.5 minutes based on the seismic records. Traces of ash were observed in Sitio Tulay of Brgy. Bagsangan, Cogon, Monbon, and Tinampo in Irosin, Sorsogon. This event was preceded by a similar steam-driven explosion from the same fissure vent on May 1, 2015 that lasted 5 minutes. Such  explosions are typical to Bulusan during restive periods, when its hydrothermal system is disturbed or when steam accumulates and pressurizes at the shallow levels of the volcanic edifice. Based on past records,  more explosions can be expected to occur with varying intensity, duration and distribution of ash. In view of the above activities, PHIVOLCS is now raising the Alert Level status of Bulusan Volcano from Alert Level 0 to Alert Level 1 (abnormal). This indicates that hydrothermal processes may be underway beneath the volcano that may lead to more steam-driven eruptions. The local government units and the public are reminded that entry to the 4-kilometer radius Permanent Danger Zone (PDZ) is strictly prohibited due to the possibility of sudden and hazardous steam-driven or phreatic eruptions. Civil aviation authorities must also advise pilots to avoid flying close to the volcano’s  summit as ash from any sudden phreatic eruption can be hazardous to aircraft. Furthermore, people living within valleys and along river/stream channels should be vigilant against sediment-laden stream flows and lahars in the event of heavy and prolonged rainfall. DOST-PHIVOLCS is closely monitoring Bulusan Volcano’s condition and any new development will be relayed to all concerned


Issued on April 28, 2015

As of 8:00 AM

Mayon Volcano’s seismic monitoring network recorded one (1) volcanic earthquake during the past 24 hours. Weak to moderate emission of white steam plumes that crept downslope towards west-southwest was observed. The summit was visible but no crater glow was observed last night. Taal Volcano’s seismic network recorded two (2) volcanic earthquakes during the past 24 hours. Field measurements conducted on April 23, 2015 at the western sector of the Main Crater Lake yielded a slight increase in water temperature from 30.8°C to 31.4°C, a decrease in water level from 0.51 to 0.45 meter, and no change in acidity at pH 3.14.


Issued on April 14, 2015

As of 8:00 AM

Taal Volcano’s seismic network recorded three (3) volcanic earthquakes during the past 24 hours. Field measurements conducted on April 9, 2015 at the western sector of the Main Crater Lake yielded a slight increase in water temperature from 30.6°C to 30.8°C, a decrease in water level from 0.60 to 0.51 meter, and a decrease in acidity from pH 3.04 to pH 3.14.  Alert Level 1 remains in effect over Taal Volcano. This means that hazardous eruption is not imminent.


As of 8:00 AM

Mayon Volcano’s seismic monitoring network recorded four (4) volcanic earthquakes during the past 24 hours. Moderate emission of white steam plumes that drifted southwest and west-northwest was observed. The summit was visible but no crater glow was observed last night. Mayon Volcano’s alert status is currently at Alert Level 2. This means the volcano is at a moderate level of magmatic unrest.


Issued on April 10, 2015

As of 8:00 AM

Taal Volcano’s seismic network recorded five (5) volcanic earthquakes during the past 24 hours. Field measurements conducted on April 9, 2015 at the western sector of the Main Crater Lake yielded a slight increase in water temperature from 30.6°C to 30.8°C, a decrease in water level from 0.60 to 0.51 meter, and a decrease in acidity from pH 3.04 to pH 3.14. Alert Level 1 remains in effect over Taal Volcano. This means that hazardous eruption is not imminent.



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