Significant earthquakes of 1977

March 18, 1977 Earthquake: Manila, Luzon, Philippines

March 18, 1977 · M7.3 · 1 death · $100,000 · 14 houses destroyed

A magnitude 7.3 earthquake struck Manila, Luzon, Philippines on March 18, 1977 at 21:43:52 UTC, 37 km below the surface. It killed 1 person.

Map

Where it struck, with the other significant earthquakes within 200 km. Circles are sized and colored by magnitude; select one for its page.

The earthquake

Date
March 18, 1977
Time
21:43:52 UTC
Place
Manila, Luzon, Philippines
Magnitude
7.3 (Mw)
Focal depth
37 km (23 mi)
Intensity
7 on the Modified Mercalli scale
Tsunami
None recorded
Epicenter
16.770° N, 122.330° E

The toll

Deaths
1
Injuries
9
Damage
$100,000
Houses destroyed
14
Houses damaged
22

Where the literature gives no number, NCEI records a description on a scale of 1 to 4, printed here in its words. Damage is in millions of US dollars of the year of the event, not adjusted for inflation.

What the record says

NCEI’s account, from the sources it cites.

1977, March 18. One killed and nine injured, damage on northern Luzon and in the Manila area, felt (VII RF) at Tugugarao. (reference #1053)

1977, March 18. 7.3 MW (reference #9910)

1977, March 18. 1 killed, $0.1 million damage. (reference #1250)

1977 Mar 19. 16.7 N, 122.31 E. Luzon: Tuguegarao 5:43 a.m. - Intensity VII. Cabanatuan, Manila, Cavite and

Dagupan - Intensity V. Alabat, Baguio and Calapan -

Intensity IV. Tayabas, Infanta and Laoag City -

Intensity III. Bataan, Virac and Vigen - Intensity

II.

Metropolitan Manila - one person died by electrocution; 22 buildings suffered cracked walls and broken windows. Among the buildings were the Bank of the Philippine Islands, in Plaz Cervantes; the former Insular Life Building, also in Plaza Cervantes; Pacific Banking

Corporation in Quintin Paredes St.; First Hotel and International Hotel on Ongpin St., Puyat; Bank of the

Philippine Islands and the Bureau of Internal Revenue building in the Escolta area; Cathay House and

Elizalde Building in Dasmarinyas St., in Binondo. The other damaged buildings were the Araullo High School in Taft Avenue; First United Bank, Magsaysay Plywood Industries

and National Library on T.M. Kalaw St. near Luneta Park; and the new Manila Hotel. The Veterans Bank on Arroceros St.; Bureau of Posts; Recto Theatre; National Book tTore;

General C. Geronimo Elementary School; and Timberland Hotel.

Palanan, Isabela - eight persons were injured. The injured persons are from the towns of Mapnican, Dibalan and Dinago. All government buildings, including the Palanan

Elementary School, the town Health Centre, and a dozen other buildings were destroyed. Also destroyed was the Constabulary's communication system between Kalinga-Apayao and Cagayan. In Isabela and Nueva Vizcaya the quake was of Intensity V and IV, respectively. The quake in Palanan was followed by two aftershocks of equal intensity to the first. The first aftershock was at 7:00 a.m. and the second at 9:45 a.m.

Lucena City - an earthquake hit this city this morning and lasted for about five seconds. There were no reported casual ties. Damage to coconut plantations was reported

extensive. Many coconut roots were cut off. This will affect their fruit-bearing capacity.

(above from reference #1187)

Other significant earthquakes nearby

Within 200 km, the deadliest first.

More

Significant earthquakes of 1977The 1900sEvery quake the USGS located in 1977Recent earthquakes near hereThis day in weather history

Sources

Significant earthquakes from NOAA’s National Centers for Environmental Information, Global Historical Hazard Database, cited as NCEI/WDS, doi:10.7289/V5PN93H7. Public domain. Read 2026-09-24. NCEI earthquake 4764.