Very strong mag. 6.0 earthquake - 50 km northeast of San Felipe, Mexicali Municipality, Baja California, Mexico, on Friday, March 21, 1969 at 04:56 GMT
Quake Data | Interactive map | User Reports | Aftershocks | Earlier quakes here | Quakes in Mexico | Quakes in the US | Sonora | Baja California | Arizona


Very strong magnitude 6.0 earthquake at 10 km depth
Earthquake details
Date & time | Mar 21, 1969 04:56:18 UTC |
Local time at epicenter | |
Status | Confirmed |
Magnitude | 6 |
Depth | 10.0 km |
Epicenter latitude / longitude | 31.296°N / 114.417°W ![]() |
Antipode | 31.296°S / 65.583°E |
Shaking intensity | Strong shaking near epicenter |
Felt | 0 reports |
Primary data source | USGS (United States Geological Survey) |
Nearest volcano | Pinacate (102 km / 63 mi) |
Nearby towns and cities | 44 km (27 mi) S of Santa Clara (pop: 3,970) | Show on map | Quakes nearby 50 km (31 mi) NE of San Felipe (San Felípe) (pop: 16,700) | Show on map | Quakes nearby 84 km (52 mi) W of Puerto Peñasco (pop: 56,800) | Show on map | Quakes nearby 128 km (80 mi) SSE of Guadalupe Victoria (pop: 17,100) | Show on map | Quakes nearby 133 km (83 mi) SSE of San Luis Rio Colorado (pop: 158,100) | Show on map | Quakes nearby 160 km (100 mi) S of Yuma (USA) (pop: 94,100) | Show on map | Quakes nearby 167 km (104 mi) SSE of Puebla (pop: 15,200) | Show on map | Quakes nearby 167 km (104 mi) ENE of Lazaro Cardenas (pop: 16,300) | Show on map | Quakes nearby 178 km (110 mi) SE of Mexicali (pop: 689,800) | Show on map | Quakes nearby 185 km (115 mi) SE of Santa Isabel (pop: 29,300) | Show on map | Quakes nearby |
Estimated seismic energy released | 6.3 x 1013 joules (17.5 gigawatt hours, equivalent to 15080 tons of TNT or 0.9 atomic bombs!) | about seismic energy |
Data for the same earthquake reported by different agencies
Info: The more agencies report about the same quake and post similar data, the more confidence you can have in the data. It takes normally up to a few hours until earthquake parameters are calculated with near-optimum precision.
Mag. | Depth | Location | Source |
6.0 | 10 km | Baja California-Sonora border region, Mexico | USGS |
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Aftershocks
[More info]
Recorded aftershocks, latest first (0 quake)
So far, no aftershocks have been registered.
Earlier earthquakes in the same area
Click here to search our database for earlier earthquakes in the same area since 1900!