1990 Luzon earthquake
The 1990 Luzon earthquake occurred on July 16 at 4:26 p.m. (PDT) or 3:26 p.m. (PST) on the densely populated island of Luzon in the Philippines. The shock had a surface wave magnitude of 7.8 and produced a 125 km-long ground rupture that stretched from Dingalan, Aurora to Kayapa, Nueva Vizcaya. The event was a result of strike-slip movements along the Philippine Fault and the Digdig Fault within the Philippine Fault System. The earthquake's epicenter was near the town of Rizal, Nueva Ecija, northeast of Cabanatuan. An estimated 1,621 people were killed, most of the fatalities located in Central Luzon and the Cordillera region.
The collapsed Hyatt Terraces Baguio Hotel after the earthquake in Baguio | |
Rizal, Nueva Ecija | |
| UTC time | 1990-07-16 07:26:36 |
|---|---|
| ISC event | 362868 |
| USGS-ANSS | ComCat |
| Local date | July 16, 1990 |
| Local time | 16:26:36 local time |
| Duration | 45 seconds |
| Magnitude | 7.7 Mw 7.8 Ms |
| Depth | 25.1 km (15.6 mi) |
| Epicenter | 15.679°N 121.172°E |
| Type | Strike-slip |
| Areas affected | Central Luzon National Capital Region Cordillera Administrative Region Bicol Region Philippines |
| Max. intensity | MMI IX (Violent) PEIS VIII (Very destructive) |
| Tsunami | eastern seaboard of Luzon |
| Casualties | 1,621 dead 3,513 injured 321 missing 126,035 displaced |
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