M6.5 earthquake 45 km SSW of Topolobampo, Mexico
A magnitude 6.5 earthquake struck 45 km SSW of Topolobampo, Mexico on Sun, Aug 17, 1969, 1:13 PM GMT-7 (20:13 UTC), 15 km (9 mi) below the surface.
A larger quake followed: M6.7 101 km SW of Topolobampo, Mexico. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 6.5 (mw), strong
- Local time
- UTC
- 1969-08-17 20:13:08 UTC
- Depth
- 15.0 km (9.3 mi), shallow
- Epicenter
- 25.213° N, 109.188° W
- Region
- Mexico
- Strongest shaking
- VII, very strong shaking
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Shaking
The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.
- Strongest estimated
- VII, very strong shaking
- Peak ground acceleration
- 14.6% of gravity
- Peak ground velocity
- 2.8 cm/s
- Map
- Automatic
Did you feel it?
No one has reported feeling this quake to the USGS.
How well it is located
Reviewed by a seismologist.
- Magnitude uncertainty
- ±0.20
- Depth from
- From location
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.5 and up: 6 in the 60 days after this one and 0 in the 30 days before it.
After
- 6.7101 km SW of Topolobampo, Mexico · 20854 days ago · 30 km deep · 61 km away
- 5.636 km SSW of Topolobampo, Mexico · 20854 days ago · 20 km deep · 8 km away
- 6.077 km SSW of El Huitusi, Mexico · 20854 days ago · 20 km deep · 38 km away
- 6.0107 km SSW of El Huitusi, Mexico · 20854 days ago · 21 km deep · 65 km away
- 5.977 km SSW of El Progreso, Mexico · 20854 days ago · 15 km deep · 47 km away
- 5.6106 km SSW of Topolobampo, Mexico · 20854 days ago · 10 km deep · 62 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgem805963. Read Tue, Sep 22, 2026, 6:59 AM UTC.