Philippine Institute of Volcanology and Seismology
Taal Volcano Bulletin 19 June 2013 8:00 A.M. PDF Print
Wednesday, 19 June 2013 07:42

Taal Volcano’s (14.0000°N, 120.9833°E) seismic network recorded one (1) volcanic earthquake during the past 24-hour observation period. Field measurements last 13 June 2013 at the western sector of the Main Crater Lake yielded a slight decrease in water temperature of 32.5°C from 33.2°C, increase in water level of 0.25 meter from 0.24 meter, and water acidity remained at pH 3.03.  Ground deformation survey in the Volcano Island on 23 May-01 June 2013 denoted slight deflation at Calauit, Alas-as, Pira-piraso, Daang Kastila and New Eruption Site precise leveling lines compared to the February 2013 survey.  However, GPS data for the period of October 2012 to first week of May 2013 show inflationary changes in ground deformation while the edifice is still slightly inflating in general compared to February 2011 baseline data. Carbon dioxide (CO2) emission at the Main Crater Lake increased to 947 tonnes per day on 03 March 2013 compared to 720 tonnes per day last 27 November 2012.

Alert Level 1 remains in effect over Taal Volcano. This means that hazardous eruption is not imminent. The public, however, is reminded that the Main Crater should be strictly off-limits because sudden steam explosions may occur and high concentrations of toxic gases may accumulate. The northern portion of the Main Crater rim, in the vicinity of Daang Kastila Trail, may also become hazardous when steam emission along existing fissures suddenly increases.  Furthermore, the public is also reminded that the entire Volcano Island is a Permanent Danger Zone (PDZ), and permanent settlement in the island is strongly not recommended.

DOST-PHIVOLCS

 
PHIVOLCS Conducts REDAS Training for Iloilo Province PDF Print
Friday, 06 November 2015 13:54

The training entitled “Mainstreaming Disaster Risk Reduction into the Local Development Planning Process, Contingency Planning and Emergency Preparedness through the Use of the REDAS Software for the Province of Iloilo” was conducted by PHIVOLCS last October 25-30, 2015 in Iloilo City. This training was supported by the Hazard Mapping and Assessment for Effective Community-Based Disaster Risk Management (READY) Project funded by the United Nations Development Programme (UNDP) and Australian Agency for International Development (AusAID).

There was a total of 65 participants from 33 Iloilo municipalities of Ajuy, Anilao, Badiangan, Balasan, Banate, Barotac Viejo, Batad, Bingawan, Cabatuan, Calinog, Carles, Concepcion, Dueñas, Dumangas, Guimbal, Igbaras, Janiuay, Lambunao, Leganes, Lemery, Leon, Maasin, Mina, New Lucena, Oton, Pototan, San Joaquin, San Rafael, Santa Barbara, Sara, Tigbauan, Tubungan and Zarraga including Iloilo City and from the Provincial Government of Iloilo.  Guest participants came from NEDA VI, HLURB VI, OCD VI, PDRRMO-Capiz and PDRRMO-Aklan. The participants were composed of Disaster Managers, Planning Officers, Engineers, IT specialists and others. A total of 62 license keys was issued during the said training. 
The first day of the training served for the introduction of PHIVOLCS, speakers and facilitators, REDAS software, and the Earthquake and Tsunami Alerting Tool (ETAM). In addition, installation of the softwares Exposure Database Module (EDM), Sqlite and Quantum GIS, ETAM and the EDM and MyTracks in android devices was conducted. The following days of the training served for lectures where the participants were taught how to build their own risk database, to determine the maximum credible earthquake in their area, and to conduct earthquake risk assessment, among others.

Iloilo PDRRMC Executive Director Jerry Bionat gave the welcoming and closing remarks for the training. Dr. Bartolome C. Bautista also gave his message during the closing ceremony, along with impressions from representatives of Igbaras and Carles municipalities and the province ICT Office. The speakers and facilitators in the training were Bartolome C. Bautista, Maria Leonila P. Bautista, Winchelle Ian Sevilla, Rhommel N. Grutas, Raymond P. Maximo, Ruffy R. Villanueva, Dave Andrei V. Rivera,  Greggue Ann Lyza T. Castro, Paula Grace V. Baylon, Ramil B. Atando and Jo Arlu Sabar, all from PHIVOLCS, and Robert Z. Quinto from PAGASA.

Photos show exposure database collection survey using GPS, laptops and android devices:

 
PHIVOLCS Conducts REDAS Training for Region I Researchers in Academe and Other Government Agencies PDF Print
Friday, 29 January 2016 12:45

PHIVOLCS-conducted a six-day training entitled, “Capacity Enhancement of Region I Researchers in Academe and Other Government Agencies on Hazards, Risk Assessment, and Exposure Database Development through the Use of the REDAS Software” last 18 – 23 January 2016. The training was held at Mariano Marcos State University (MMSU), Batac City, Ilocos Norte. The aim of the training was to provide and familiarize the participants with the capability of REDAS software, specifically the modules that can be used for risk assessment.  The training was a part of the PCIEERD-funded project entitled “Regional Disaster Science and Management S&T Capacity Development (Phase II)”.

There was a total of 51 participants during the training, 24 of them came from the different State Colleges and Universities (SUCs) in Region 1. The said SUCs are Mariano Marcos State University (MMSU), Don Mariano Marcos Memorial State University (DMMSU), Pangasinan State University (PSU), University of Northern Philippines (UNP), North Luzon Philippines State College (NLPSC), and Ilocos Sur Polytechnic State College (ISPSC). There were eight participants from the different local government units in Region 1. There were also 19 guest participants from DILG-I, DOST-1, DPWH-1, NEDA-1, OCD-1, and Isabela State University-Echague (ISU-E). The participants were provided with REDAS version 2.8X. A total of 51 license keys was issued during the said training.

The first day of the training covered the introduction of PHIVOLCS, installation and orientation on the basic features of the REDAS software.  The following days of the training covered hazards lectures, Building Risk Database, Earthquake Risk Assessment, Use of SQLite as Relational and Spatial Database System, and Seismic Hazard Assessment. In addition, installation of the softwares Exposure Database Module (EDM), Sqlite and Quantum GIS, and the EDM and MyTracks in android devices were conducted during the training. They were taught how to use the EDM in Android Devices for building survey. Different Earthquake Risk Assessment Methodologies and computations were also taught in the training as well as identifying building earthquake damage levels for earthquake risk assessment.  The highlight also was the provision of the EDM for Android Version 1.5, which was introduced in a REDAS batch for the first time.

The participants showed enthusiasm and were very thankful because according to them, the tool will be able to help them determine the possible impacts given earthquake scenarios, which will help them prepare and plan accordingly.

Speakers and facilitators during the training were Bartolome C. Bautista, Maria Leonila P. Bautista, Julius Galdiano, Sharon Juliet M. Arruejo, Policarpio L. Mabborang, Jr., Jyrus Jyles D. Cadiente, Elmer Rosete, Dave Andrei V. Rivera, Greggue Ann Lyza T. Castro, Ruffy R. Villanueva, John Ted S. Sison, Frances Marie G. Yanos, and Jayson L. Silang

PHIVOLCS-conducted a six-day training entitled, “Capacity Enhancement of Region I Researchers in Academe and Other Government Agencies on Hazards, Risk Assessment, and Exposure Database Development through the Use of the REDAS Software” last 18 – 23 January 2016. The training was held at Mariano Marcos State University (MMSU), Batac City, Ilocos Norte. The aim of the training was to provide and familiarize the participants with the capability of REDAS software, specifically the modules that can be used for risk assessment.  The training was a part of the PCIEERD-funded project entitled “Regional Disaster Science and Management S&T Capacity Development (Phase II)”.

There was a total of 51 participants during the training, 24 of them came from the different State Colleges and Universities (SUCs) in Region 1. The said SUCs are Mariano Marcos State University (MMSU), Don Mariano Marcos Memorial State University (DMMSU), Pangasinan State University (PSU), University of Northern Philippines (UNP), North Luzon Philippines State College (NLPSC), and Ilocos Sur Polytechnic State College (ISPSC). There were eight participants from the different local government units in Region 1. There were also 19 guest participants from DILG-I, DOST-1, DPWH-1, NEDA-1, OCD-1, and Isabela State University-Echague (ISU-E). The participants were provided with REDAS version 2.8X. A total of 51 license keys was issued during the said training.

The first day of the training covered the introduction of PHIVOLCS, installation and orientation on the basic features of the REDAS software.  The following days of the training covered hazards lectures, Building Risk Database, Earthquake Risk Assessment, Use of SQLite as Relational and Spatial Database System, and Seismic Hazard Assessment. In addition, installation of the softwares Exposure Database Module (EDM), Sqlite and Quantum GIS, and the EDM and MyTracks in android devices were conducted during the training. They were taught how to use the EDM in Android Devices for building survey. Different Earthquake Risk Assessment Methodologies and computations were also taught in the training as well as identifying building earthquake damage levels for earthquake risk assessment.  The highlight also was the provision of the EDM for Android Version 1.5, which was introduced in a REDAS batch for the first time.

The participants showed enthusiasm and were very thankful because according to them, the tool will be able to help them determine the possible impacts given earthquake scenarios, which will help them prepare and plan accordingly.

Speakers and facilitators during the training were Bartolome C. Bautista, Maria Leonila P. Bautista, Julius Galdiano, Sharon Juliet M. Arruejo, Policarpio L. Mabborang, Jr., Jyrus Jyles D. Cadiente, Elmer Rosete, Dave Andrei V. Rivera, Greggue Ann Lyza T. Castro, Ruffy R. Villanueva, John Ted S. Sison, Frances Marie G. Yanos, and Jayson L. Silang

 
MAYON VOLCANO BULLETIN 28 November 2015 8:00 A.M. PDF Print
Saturday, 28 November 2015 08:19

Mayon Volcano’s seismic monitoring recorded did not detect any volcanic earthquake during the past 24 hours. Weak to moderate emission of white steam plumes that drifted towards west-southwest was observed. Crater glow was not observed last night due to thick rain clouds covering the summit. Precise leveling survey results from August 25-30, 2015 indicated very slight deflation of the edifice relative to July 2015, consistent with short-term deflation recorded by continuous GPS since August 2015 and electronic tilt since March 2015.

Alert Level 1 remains in effect over Mayon Volcano, which means that it is at abnormal condition. Although this means that presently no magmatic eruption is imminent, it is strongly advised that the public refrain from entering the 6-kilometer radius Permanent Danger Zone (PDZ) due to the perennial life-threatening dangers of rockfalls, landslides/avalanches at the middle to upper slope, sudden ash puffs and steam-driven or phreatic eruptions from the summit. Active stream/river channels and those identified as perennially lahar-prone areas on all sectors of the volcano should also be avoided especially during extreme weather conditions when there is heavy and prolonged rainfall. DOST-PHIVOLCS maintains its close monitoring of Mayon Volcano and any new development will be communicated to all concerned stakeholders.

 
BULUSAN VOLCANO BULLETIN 11 February 2016 8:00 A.M. PDF Print
Thursday, 11 February 2016 15:58

Bulusan Volcano’s seismic monitoring network recorded ten (10) volcanic earthquakes during the past 24 hours. Steaming activity could not be observed due to thick clouds covering the summit. Precise leveling survey results from December 2-7, 2015 indicated slight inflationary changes of the volcano’s edifice relative to September 2015, consistent with ground deformation measurements from continuous GPS data since August 2015.

Alert Level 1 (abnormal) remains in effect over Bulusan Volcano. This indicates that hydrothermal processes are underway beneath the volcano that may lead to 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 especially on the southwest and northwest sector of the edifice 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.

 
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