πŸŒ€ Province Risk Profile · CALABARZON

Typhoon Risk in Quezon

Quezon runs along the eastern, Pacific-facing edge of Southern Luzon, placing much of the province directly in the path of storms entering from the Northwest Pacific Basin. On a long-term average basis, Quezon is expected to incur 2.5 billion PHP per year in losses to public and private assets from typhoons and earthquakes combined, with a 40% chance of losses exceeding 35.1 billion PHP over the next 50 years. This page covers why Quezon carries this exposure, what the World Bank's catastrophe risk modeling shows about potential losses, and how Quezon compares to neighboring CALABARZON provinces.

2.1B PHP Avg. Annual Loss
High Typhoon Risk Level
Philippines Typhoon Quezon

Why Quezon Is Typhoon-Exposed

Quezon stretches along the eastern coast of Southern Luzon, facing Lamon Bay and the open Pacific with minimal geographic shielding. Its long, exposed coastline sits directly across the primary typhoon corridor that moves storms from the Northwest Pacific Basin into the Philippines, giving the province one of the more consistent typhoon strike rates in CALABARZON.

According to the Joint Typhoon Warning Center, the Northwest Pacific Basin sees an average of 26.6 typhoons and tropical cyclones each year, with activity peaking between July and November, the same window Quezon sees its highest storm frequency.

Source: JTWC Annual Tropical Cyclone Report.

Economic Risk from Typhoons in Quezon

Modeled loss data from the World Bank's Philippines Catastrophe Risk Assessment (2018), developed with AIR Worldwide using historical and simulated storm catalogs.

On a long-term average basis, Quezon is expected to incur 2.5 billion PHP per year in losses to public and private assets from typhoons and earthquakes combined. Over the next 50 years, Quezon has a 40% chance of experiencing losses exceeding 35.1 billion PHP, and a 20% chance of exceeding 60.1 billion PHP.

2.1 billion PHP Avg. Annual Loss, Typhoon
0.4 billion PHP Avg. Annual Loss, Earthquake
85% Share of Loss from Typhoons

Typhoons account for the large majority of Quezon's disaster-related economic loss, roughly 5 times greater on average than losses from earthquakes.

Private Assets

691 billion PHP

94% of total asset replacement value

Public Assets

47 billion PHP

6% of total asset replacement value

Source: World Bank / GFDRR, 2018. Asset values as of 2015.

Modeled Typhoon Loss by Return Period

A return period estimates how often a loss of a given size is likely to occur. A 100-year return period means that scale of loss has roughly a 1% chance of happening in any given year.

Exceedance Probability Return Period Direct Loss (PHP Billions) % of Asset Value Emergency Loss (PHP Billions)
AAL β€” 2.1 0.3% 0.3
10.0% 10 years 3.9 0.5% 0.6
3.3% 30 years 13.1 1.8% 2.2
2.0% 50 years 20.2 2.7% 3.4
1.0% 100 years 33.0 4.5% 5.8

Emergency loss represents an estimate of the loss the national government may sustain from relief and recovery efforts, calculated as a proportion of direct loss. Source: World Bank / AIR Worldwide, 2018.

Quezon vs. Neighboring Provinces

Average annual loss from typhoons and earthquakes, compared across Quezon and its neighboring CALABARZON provinces.

Among Quezon, Bulacan, Rizal, Laguna, and Batangas, the World Bank's provincial comparison chart shows Laguna carrying the highest combined typhoon and earthquake average annual loss, followed by Bulacan and Rizal at a moderate level, with Batangas somewhat lower. Quezon shows the smallest combined average annual loss among the five, at 2.5 billion PHP a year, despite its long, storm-exposed coastline, largely a reflection of its lower asset concentration relative to the more urbanized provinces closer to Metro Manila.

Source: World Bank / AIR Worldwide, 2018. Provincial comparison presented as a relative chart; exact figures for neighboring provinces were not individually labeled in the source document.

Typhoon Safety Resources for Quezon

General safety guidance applies to Quezon residents. See PAGASA's Signal Warning System for current wind threat levels by area.

🚩 Check Your PSWS Signal

Understand what each PAGASA wind signal number means for expected impact in your area.

View Signal Warning System β†’

πŸ›Ÿ General Safety Tips

Preparedness steps to take before and during a typhoon, applicable across the Philippines.

View Safety Tips β†’

People Also Ask About Typhoons in Quezon

How much does Quezon lose to typhoons each year?

On a long-term average basis, Quezon incurs about 2.1 billion PHP per year in direct losses to public and private assets from typhoons alone, according to World Bank and AIR Worldwide modeling. Typhoons account for roughly 85% of Quezon's combined typhoon and earthquake losses.

Why is Quezon so exposed to typhoons?

Quezon runs along the eastern, Pacific-facing coast of Southern Luzon, directly in the path of the primary typhoon corridor entering the Philippines from the Northwest Pacific Basin. Its long coastline along Lamon Bay has little geographic protection from incoming storms.

What is Quezon's worst-case typhoon loss scenario?

At a 100-year return period, roughly a 1% chance in any given year, Quezon could see direct typhoon losses of up to 33.0 billion PHP, equal to about 4.5% of the province's total asset replacement value.

Are typhoons or earthquakes a bigger risk in Quezon?

Typhoons are the far larger risk. Quezon's average annual loss from typhoons is about 5 times greater than its average annual loss from earthquakes, 2.1 billion PHP versus 0.4 billion PHP.

How does Quezon compare to other CALABARZON provinces for typhoon risk?

Among Quezon, Bulacan, Rizal, Laguna, and Batangas, Laguna shows the highest modeled combined average annual loss, while Quezon shows the lowest despite its long Pacific-facing coastline, reflecting differences in asset concentration across the region.

What percentage of Quezon's assets are at risk from typhoons?

Quezon's total asset replacement value is about 738 billion PHP, of which 94% (691 billion PHP) is private property and 6% (47 billion PHP) is public infrastructure. At a 100-year return period, modeled typhoon losses could reach about 4.5% of that total value.

Economic risk data sourced from: World Bank, UK Aid, GFDRR, and the Philippines Department of Finance, Province Risk Profile: Quezon, Philippines Catastrophe Risk Assessment and Modeling, January 2018, with technical modeling by AIR Worldwide. General typhoon information sourced from PAGASA and the Joint Typhoon Warning Center. ← Back to Typhoon Hub