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Scenario: M7.3 Central Mindanao Fault EarthquakeSIMULATED INTENSITY OF GROUNDSHAKING

PEIS VIII (very destructive) inDavao del Norte, Agusan del Sur and Bukidnon

PEIS VII (destructive) in ComVal, Davao City, Bukidnon

PEIS VI (very strong and slightly damaging) in some areas of Bukidnon, Surigao del

Lanao del Sur

Maguindanao Davao

Davao del Norte

Davao CIty Davao Oriental

ComVal

Bukidnon

Cotabato

Agusan del Sur

Zamboanga del Sur

Misamis Occ

Lanao del Norte

areas of Bukidnon, Surigao del Sur, ComVal, Davao Oriental, Davao City, Cotabato, Davao del Sur, Surigao del Sur

PEIS V (strong, able to cause panic) Lanao del Norte, Lanao del Sur, Maguindanao, South Cotabato

PEIS III (Weak) in Sultan Kudarat, Sarangani

Davao del Sur

Davao Occidental

South Cotabato

Sarangani

Sultan Kudarat

REDAS

0 1 2 3 4 5 6 7 8 Not felt I II III IV V VI VII VIII

INTENSITY (in PHIVOLCS Earthquake Intensity Scale or PEIS)

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Scenario: M7.1 Earthquake in Mt. Province

ILOCOS NORTE

ILOCOS SUR

APAYAO

CAGAYAN

KALINGA

ABRA

IFUGAO

SIMULATED INTENSITY OF

GROUNDSHAKING (in PHIVOLCS Earthquake

Intensity Scale)

PEIS VIII (very destructive) in Mt. Province, Ifugao, Benguet and Nueva Vizcaya

PEIS VII (destructive) in western Isabela, southern Kalinga, eastern Ifugao, western Benguet, some parts of Pangasinan, IlocosILOCOS SUR

PANGASINAN

LA UNION

MT. PROVINCE

NUEVA VIZCAYA

ISABELA

QUIRINO

NUEVA ECIJA

BENGUET

AURORA

TARLAC

Benguet, some parts of Pangasinan, IlocosSur and Abra

PEIS VI (very strong and slightly damaging) in southern Abra, some parts of Cagayan, Isabela, Quirino, Pangasinan, Nueva Ecija, Aurora, Ilocos Norte, IlocosSur, La Union, Pangasinan, Nueva Ecija, Tarlac and Cagayan

PEIS V (strong, able to cause panic) in most parts of Ilocos Norte, Apayao, Cagayan, Aurora, Tarlac, Nueva Ecija

Map Produced using REDAS

0 1 2 3 4 5 6 7 8 Not felt I II III IV V VI VII VIII

INTENSITY (in PHIVOLCS Earthquake Intensity Scale)

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Scenario 6: Magnitude 7.5 earthquake in CebuSIMULATEDINTENSITIES

PEIS High VII - VIII (very destructive) in most areas of Cebu, Bais and Dumaguete

PEIS VII (destructive) innorthern tip of Cebu, northern half and western

0 1 2 3 4 5 6 7 8 Not felt I II III IV V VI VII VIII (PEIS)

northern half and western areas of Bohol and many areas of Negros (eastern and central)

PEIS VI (very strong and slightly damaging) in western areas of Negros and Siquijor Island

PEIS V (strong, able to cause panic) in Leyte, Panay, northwest Mindanao

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STRONG GROUND SHAKING

1995 Kobe Earthquake

5

• Loose, water-rich sediments behave like liquid during strong ground shaking.

• Sediments are rearranged into a more compact

LIQUEFACTION

state.

Subsidence of building, roads

Dagupan 1990

Fissuring of roads

Mindoro 1994

6

Tsunamis

Miyako, Japan

• Flooding of coastal areas

• Drowning of people• Damage to properties• Erosion of coastline

From APMiyako, Japan

Natori, Japan

From AP

From Kyodo NewsPHIVOLCS

Kessenuma, JapanFrom R Solidum

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Multi-hazard MapsFault rupture

Ground Shaking

Liquefaction Tsunami

Landslide

1:50,000

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How do we prepare for and reduce risks from earthquakes and tsunamis?

Ensure that houses, buildings, Ensure that houses, buildings, structures are constructed

properly with right design, quality materials and good workmanship.

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COLLAPSE OF HOUSES AND BUILDINGS KILL PEOPLE

2012 NEGROS ORIENTAL EARTHQUAKE1990 LUZON EARTHQUAKE

Building Collapse House Collapse

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How do we prepare for and reduce risks from earthquakes and tsunamis?

Prepare individuals, families and communities. Inform, educate communities. Inform, educate

them of the hazards, what to do to be safer – before, during and after

strong earthquake events. Conduct drills.

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• Determine alternative evacuation routes and evacuation area

• Determine roles

Prepare an evacuation plan. Imagine what the environment (rooms, outside) will look like after the earthquake and prepare plan.

Ground Level

Legend: Building:Direction:Evacuation Area:

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EARTHQUAKE SIMULATION EXERCISES

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COMMUNITY TSUNAMI PREPAREDNESS ACTIVITIES

• Study tsunami hazard maps, identify which communities are at risk

• Prepare evacuation plans and maps

• Install tsunami signage

• Conduct coastal village education campaigns

• Conduct tsunami drills

* Check PHIVOLCS Guidelines in Developing a Tsunami Prepared

Familiarization with Hazard and Evacuation Maps

Tsunami Signage Tsunami Drill

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ROLE OF HOUSING DEVELOPERS

- Selection of safe/safer location, appropriate design and construction -> safe location, safe construction

- Facilitate awareness, education and - Facilitate awareness, education and preparedness

- Help in establishment of evacuation procedures

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SUMMARY

• The country is exposed to earthquakes that can cause loss of lives, properties, and severely impact the economy.

• Appropriate preparedness, mitigation and response activities must be based on response activities must be based on appropriate hazard and impact scenarios.

• The property sector plays a major role in ensuring safety of people, assets and businesses. Location and construction safety must be ensured.

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www.phivolcs.dost.gov.ph

Earthquake & Tsunami (24/7):

Tel. Numbers

+632 929-9254

+632 426-1468 loc 124 / 125

Fax number

+632 927-1087

/PHIVOLCS

@phivolcs.dost

Volcano (24/7):

Tel. Numbers

+632 426-1468 loc 127

Telefax number

+632 927-1095

IEC materials:

+632 426-1468 loc 128

+632 927-4524