Philippines: Consolidated Government Information During Natural Disasters
List of Emergency Hotlines

Philippines geographical location in Western Pacific Basin makes it vulnerable to natural disasters and calamities alike. Philippines — being hit by tropical cyclones with an average of 20 annually, 9 of which makes a landfall and are the main causes of all types of floods [flash flood, coastal flood, river flood,and reservoir over-spilling].

* The country has the following rankings in terms of vulnerability to natural disasters [source: http://www.gov.ph/]
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Philippine government agencies to contact during natural calamities:

For weather updates and typhoon signal alerts:
Philippine Atmospheric Geophysical Astronomical Services Administration (PAGASA)
PAGASA is an agency under the Department of Science and Technology (DOST). It provides real-time updates about the weather and typhoon alerts.
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Contact details:
Website: pagasa.dost.gov.ph
Twitter: @dost_pagasa
PAGASA hotline: (02) 433-8526

Legend of PAGASA’s color-coded warning signals, which may be issued through Twitter, the media, and coordination with the local government.
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Project NOAH
The Nationwide Operational Assessment of Hazards (NOAH) is a program launched by the DOST to put in place a responsive program for disaster prevention and mitigation, using advanced technology to enhance current geo-hazard vulnerability maps.
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Website: http://noah.dost.gov.ph/

For volcanic activities, earthquakes, and tsunami alerts:
Philippine Institute of Volcanology and Seismology (PHIVOLCS)
PHIVOLCS is a service institute of the DOST. The agency is tasked to mitigate disasters that may arise from volcanic eruptions, earthquakes, tsunami and other related geotectonic phenomena.
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Website: phivolcs.dost.gov.ph

NDRRMC report an earthquake:
(02) 426-1468 to 79, local 124/125;
(02) 929-9254
Text/call: 0905-3134077
Text only: 0918-9428354
Send:
Name, date and time of earthquake, location at the time of earthquake, intensity rating

For damage assessment and consolidated reports on government action:
National Disaster Risk Reduction Management Council (NDRRMC)
The NDRRMC was established to pursue disaster prevention and risk reduction. It reports updates on the effects and preparedness measures of disaster situations such as typhoons, earthquakes, etc.
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Contact details:
Website: ndrrmc.gov.ph
Twitter: @NDRRMC_Open
Facebook: http://www.facebook.com/pages/Ndrrmc-Opcen/103742183037609
NDRRMC hotlines: (02) 911-1406, (02) 912-2665, (02) 912-5668

For NCR flood updates:
Metropolitan Manila Development Authority (MMDA)
Provides real-time reports on traffic and flooded areas in Metro Manila; aids in flood control in Metro Manila
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Contact details:
Website: mmda.gov.ph
Twitter: @MMDA
MMDA metrobase hotline: 136
Flooding control: 882-4177, 882-0925

Donations for affected by disasters can be made through DSWD
Department of Social Welfare and Development (DSWD)
The DSWD is the agency responsible for the distributing social services to the Filipino people. It spearheads government relief operations during incidents of calamities.
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Contact details:
Website: dswd.gov.ph
Twitter: @DSWDserve
Trunkline: Tel. (632)931-81-01 to 07

Other agencies to contact during times of mishaps?
Below are emergency hotlines:

National Disaster and Risk Reduction and Management Council (NDRRMC) hotlines
(02) 911-1406, (02) 912-2665, (02) 912-5668

Philippine National Police (PNP) Hotline Patrol
117 or send TXT PNP to 2920

Bureau of Fire Protection (NCR)
(02) 729-5166, (02) 410-6254, (02) 431-8859, (02) 407-1230

Department of Transportation and Communications (DOTC) hotline
7890 or 0918-8848484

Metro Manila Development Authority (MMDA) Metrobase hotline
136

MMDA Flood Control
882-4177, 882-0925

Department of Public Works and Highways (DPWH)
(02) 304-3713

Red Cross hotline
143, (02) 911-1876

North Luzon Expressway (NLEX) hotlines
(02) 3-5000 and (02) 580-8910

Subic-Clark-Tarlac Expressway (SCTEX) hotlines
(0920) 96-SCTEX (72839)

Skyway System Hotline
(02) 776-7777, 0915-6256231, 0939-5006910

South Luzon Expressway (SLEx) hotline
0908-8807539

Philippine Atmospheric, Geophysical and Astronomical Services Administration (PAGASA) hotline
(02) 433-8526

Philippine Coast Guard
(02) 527-3877, (02) 527-8481, 0917-724-3682, 0917-PCG-DOTC

Local government units (LGUs) – partial list only
Manila Traffic Hotline – 527-3087
Cainta Traffic Hotline – 646-0044, 655-7368 loc. 164
Las Piñas Traffic – 874-5756, 874-3957, 874-3927
Mandaluyong Hotline – 534-2993
Taguig Traffic – 838-4301 loc. 7112
Marikina STOC – 646-1651
Pasig Traffic – 643-0000, 724-5813
Makati Public Safety Dept – 844-3146, 819-3270

Rules for suspension of classes or work in government offices?
Pursuant to Executive Order No. 66, s. 2012:
Automatic suspension of classes:

Signal No. 1: pre-school level, in the affected area,

Signal No. 2: pre-school, elementary and secondary levels, in the affected area

Signal No. 3: pre-school, elementary, secondary, and tertiary levels, in the affected area

The PAGASA shall issue weather forecasts not later than 10:00 PM of the previous day and 4:30 AM of the day of the intended cancellation of classes and work.

In cases where there are classes and work in the morning and suspension of classes and work is only effective in the afternoon, PAGASA should issue the forecast not later than 11:00 AM of the said day.
Localized Cancellation or Suspension of Classes and Work in Government Offices.

In the absence of typhoon signal warnings:

Localized cancellation or suspension of classes and work in government offices may be implemented by local chief executives, as chairmen of the Local Disaster Risk Reduction and Management Council (LDRRMC) concerned, in coordination with PAGASA and the NDRRMC, specifically in flood-prone or high risk areas.

*Announcements will be made not later than 4:30 a.m. of the day of the intended cancellation of classes and work, or not later than 11:00 a.m. for suspension of work and classes in the afternoon session.

Meanwhile, according to Commission on Higher Education (CHED) Memorandum Order No. 15, s. 2012, classes at the collegiate level, including graduate school is automatic when authorities have declared storm signal no. 3. Otherwise, class suspension will be upon the digression of the heads of the concerned higher education institutions.

Cancellation or Suspension of Classes and Work in the Government During Other Calamities.

Classes in all levels in both public and private schools as well as work in the government offices may be cancelled or suspended in areas affected by disasters or calamities other than typhoons, such as but not limited to floods, earthquakes, tsunami and conflagration, upon the declaration by the President of a State of Calamity based on the recommendation of the NDRRMC.

The concerned Local Disaster Risk Reduction and Management Office (LDRRMO) headed by the local chief executive shall be responsible for announcing the suspension of classes and work in the government offices in the affected areas in coordination with the NDRRMC, through all forms of mass media available under the circumstances.

*All information are updated and sourced from Philippines –  Official Gazette