1933 Long Beach earthquake
Damage to the John Muir School, Pacific Avenue, Long Beach | |
| UTC time | 1933-03-11 01:54:00 |
|---|---|
| ISC event | 905457 |
| USGS-ANSS | ComCat |
| Local date | March 10, 1933 |
| Local time | 5:54 P.M. PST |
| Magnitude | 6.4 Mw |
| Depth | 10 km (6.2 mi) |
| Epicenter | 33°37′52″N 118°00′00″W / 33.631°N 118.000°W |
| Fault | Newport-Inglewood Fault |
| Type | Strike-slip |
| Areas affected | South Coast (California) United States |
| Total damage | $40 million |
| Max. intensity | MMI VIII (Severe) |
| Peak acceleration | 0.22 g |
| Peak velocity | 20 cm/s (est) |
| Tsunami | No |
| Aftershocks | M5.4 on Oct 2 1933 |
| Casualties | 115–120 killed |
The 1933 Long Beach earthquake took place on March 10 at 5:54 P.M. PST south of downtown Los Angeles. The epicenter was offshore, southeast of Long Beach, California, on the Newport–Inglewood Fault. The earthquake had a magnitude estimated at 6.4 Mw, and a maximum Mercalli intensity of VIII (Severe). Damage to buildings was widespread throughout Southern California. It resulted in 115 to 120 fatalities and an estimated $40 million worth of property damage, equivalent to $972 million in 2024. The majority of the fatalities resulted from people running out of buildings exposing themselves to the falling debris.