December 11, 1999 Earthquake: Manila, Santa Cruz, S Luzon, Philippines

One person killed at Masinloc. Four people died from heart attacks and 40 injured on Luzon. Damage to structures (VII RF) at Santa Cruz and (VI RF) at Iba, Manila and Masinloc. Power outages occurred in the Manila area. Felt (VI RF) at Clark Air Base, Olongapo and San Fernando; (V RF) at Dagupan, Pasig, Quezon and Taguig; (IV RF) at Baguio, Lucban, Malolos, Palayan, San Jose, Santo Domingo and Tagaytay; (III RF) at Santa; (II RF) at Guinuangan and Pasuquin; (I RF) at Tuguegarao. (reference #1053)

In the early morning of December 12, 1999 at 2:03 AM, an earthquake caused very severe damages to towns in the Pangasinan-Zambales border in west Luzon (Sevilla et al, 1999). In Zambales, a Spanish-era church and a market of Masinloc town was severely damaged. Minor cracks were sustained by the municipal hall in Candelaria town while major cracks sustained by a building being constructed in Santa Cruz, all in Zambales province. Fissures on ground, seashore and ricefields were also observed in the province. Large parts of a church in Mabini town in Pangasinan fell. In Infanta, moderate damage was sustained by concrete houses. Fissures were also observed in the town of Dasol in the same province. It was in the towns of Iba and Palauig that tsunamis were reported. (reference #10958)

6 killed, $1.794 million damage. (reference #1250)