M5.7 earthquake 26 km NNW of Macas, Ecuador
A magnitude 5.7 earthquake struck 26 km NNW of Macas, Ecuador on Thu, Feb 22, 1973, 11:26 PM GMT-5 (04:26 UTC), 67 km (42 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.7 (mb), moderate
- Local time
- UTC
- 1973-02-23 04:26:23 UTC
- Depth
- 67.0 km (41.6 mi), shallow
- Epicenter
- 2.088° S, 78.210° W
- Region
- Ecuador
- Strongest shaking
- IV, light 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
- IV, light shaking
- Peak ground acceleration
- 4.7% of gravity
- Peak ground velocity
- 0.4 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.
- Stations used
- 99
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.5 and up: 3 in the 60 days after this one and 1 in the 30 days before it.
After
- 5.029 km NNW of Macas, Ecuador · 19571 days ago · 89 km deep · 5 km away
- 4.627 km WNW of Macas, Ecuador · 19570 days ago · 33 km deep · 24 km away
- 4.927 km NNW of Macas, Ecuador · 19564 days ago · 86 km deep · 1 km away
Before
Earthquakes todayEcuador earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00000ns (also filed as iscgem764227). Read Wed, Sep 23, 2026, 6:59 PM UTC.