M3.2 earthquake 12km NNW of Delta, B.C., MX
A magnitude 3.2 earthquake struck 12km NNW of Delta, B.C., MX on Thu, Mar 29, 1973, 12:40 PM PST (20:40 UTC), 6 km (4 mi) below the surface.
A larger quake followed: M3.6 2km NNE of Delta, B.C., MX. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.2 (ML, local (Richter)), minor
- Magnitude from
- Southern California Seismic Network
- Local time
- UTC
- 1973-03-29 20:40:39 UTC
- Depth
- 6.0 km (3.7 mi), shallow
- Epicenter
- 32.464° N, 115.226° W
- Region
- Mexico
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
No one has reported feeling this quake to the USGS.
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 3.5 km horizontally, 31.6 km in depth
- Magnitude uncertainty
- ±0.25
- Depth from
- Operator assigned
- Station coverage gap
- 252°, poorly surrounded by stations
- Stations used
- 4
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 9 in the 60 days after this one and 5 in the 30 days before it.
After
- 2.519km SSE of Ocotillo, CA · 19537 days ago · 13 km deep · 63 km away
- 2.47km ESE of Imperial, CA · 19534 days ago · 6 km deep · 48 km away
- 2.112km ESE of Ocotillo, CA · 19529 days ago · 6 km deep · 66 km away
- 2.722km SW of Progreso, B.C., MX · 19508 days ago · 8 km deep · 52 km away
- 2.69km ESE of Puebla, B.C., MX · 19505 days ago · 6 km deep · 9 km away
- 2.526km SE of Campo, CA · 19505 days ago · 13 km deep · 99 km away
- 3.19km NNE of Delta, B.C., MX · 19502 days ago · 1 km deep · 8 km away
- 3.62km NNE of Delta, B.C., MX · 19502 days ago · 7 km deep · 11 km away
- 2.961km SSW of Progreso, B.C., MX · 19494 days ago · 6 km deep · 73 km away
Before
- 3.321km WSW of Westmorland, CA · 19557 days ago · 6 km deep · 82 km away
- 2.912km SE of Puebla, B.C., MX · 19559 days ago · 6 km deep · 5 km away
- 2.719km SSE of Ocotillo, CA · 19565 days ago · 17 km deep · 64 km away
- 2.826km WSW of Westmorland, CA · 19566 days ago · 6 km deep · 82 km away
- 2.710km NW of Delta, B.C., MX · 19566 days ago · 6 km deep · 7 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event ci3320301. Read Thu, Oct 1, 2026, 11:08 PM UTC.