World Map › Major Earthquakes Since 1900 › 1973
Historic Earthquake
1973 Ragay Gulf Earthquake
17 March 1973 · Quezon City, Calaug · Philippines
On 17 March 1973 at 08:30 UTC, a magnitude 7.5 earthquake struck the Philippines (Quezon City, Calaug), at a depth of 33 km. It occurred on the Sunda Plate, 234 km from its boundary with the Philippine Sea Plate (oceanic transform fault). It killed at least 15 people and injured 64. 98 homes were destroyed.
- Date
- 17 March 1973
- Time
- 08:30 UTC
- Magnitude
- 7.5
- Depth
- 33 km
- Maximum Intensity
- IX (Mercalli)
- Deaths
- 15
- Injuries
- 64
- Homes Destroyed
- 98
- Homes Damaged
- 270
- Estimated Damage
- 0 million US dollars
- Tsunami
- See the tsunami (1.3 m wave)
- Plate
- Sunda Plate
- Country
- Philippines
- Nearest Volcano
- Mount Isarog (69 km)
Nearby Major Earthquakes
Other major earthquakes recorded within 300 km.
- 1972Mindoro, Luzon · M 7.2
- 1970Luzon · M 7.315 deaths
- 1942Mindoro · M 7.8
- 1937Luzon · M 7.51 deaths
- 1925Samar I, Laoang I · M 7.3
- 1907Se Luzon, Camarines · M 7.62 deaths
- 1907Se Luzon, Camarines · M 7.4
- 1901Luzon · M 7.8
Sources: NOAA National Centers for Environmental Information, Global Significant Earthquake Database (doi:10.7289/V5TD9V7K) · Wikidata · Bird (2003), PB2002 · Natural Earth