M4.4 earthquake 63 km SSW of Heroica Guaymas, Mexico
A magnitude 4.4 earthquake struck 63 km SSW of Heroica Guaymas, Mexico on Tue, Mar 22, 1977, 1:07 AM GMT-7 (08:07 UTC), 33 km (21 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.4 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1977-03-22 08:07:14 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 27.377° N, 111.107° 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.
- Depth from
- OPERATOR_ASSIGNED
- Stations used
- 15
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 1 in the 60 days after this one and 0 in the 30 days before it.
After
Earthquakes todayMexico earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000n21. Read Sat, Oct 3, 2026, 5:26 AM UTC.