M3.9 earthquake 50 km NW of Manta, Ecuador
A magnitude 3.9 earthquake struck 50 km NW of Manta, Ecuador on Sun, Apr 17, 2016, 9:09 PM GMT-5 (02:09 UTC), 5 km (3 mi) below the surface.
A larger quake followed: M4.9 39 km NNE of Bahía de Caráquez, Ecuador. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.9 (mb), minor
- Local time
- UTC
- 2016-04-18 02:09:26 UTC
- Depth
- 5.0 km (3.1 mi), shallow
- Epicenter
- 0.700° S, 81.080° W
- Region
- Ecuador
- 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 7.3 km horizontally, 7.3 km in depth
- Magnitude uncertainty
- ±0.23
- Stations used
- 0
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 35 in the 60 days after this one and 9 in the 30 days before it.
After
- 4.939 km NNE of Bahía de Caráquez, Ecuador · 3809 days ago · 10 km deep · 100 km away · felt by 1
- 4.129 km NNE of Bahía de Caráquez, Ecuador · 3809 days ago · 10 km deep · 92 km away
- 4.528 km NNW of Bahía de Caráquez, Ecuador · 3809 days ago · 10 km deep · 75 km away
- 4.915 km WSW of Manta, Ecuador · 3809 days ago · 10 km deep · 42 km away · felt by 3
- 4.610 km W of Manta, Ecuador · 3809 days ago · 10 km deep · 43 km away
- 4.153 km NW of Bahía de Caráquez, Ecuador · 3809 days ago · 10 km deep · 64 km away
- 4.970 km NNW of Bahía de Caráquez, Ecuador · 3809 days ago · 10 km deep · 79 km away
- 4.957 km NW of Bahía de Caráquez, Ecuador · 3809 days ago · 10 km deep · 65 km away
- 4.478 km NW of Bahía de Caráquez, Ecuador · 3808 days ago · 10 km deep · 79 km away
- 4.731 km WNW of Jipijapa, Ecuador · 3808 days ago · 10 km deep · 69 km away · felt by 1
- 4.342 km N of Bahía de Caráquez, Ecuador · 3807 days ago · 10 km deep · 95 km away
- 4.737 km N of Bahía de Caráquez, Ecuador · 3807 days ago · 10 km deep · 91 km away
- 4.846 km WNW of Bahía de Caráquez, Ecuador · 3807 days ago · 10 km deep · 41 km away
- 4.234 km NNW of Bahía de Caráquez, Ecuador · 3806 days ago · 10 km deep · 70 km away
- 6.034 km NNW of Bahía de Caráquez, Ecuador · 3806 days ago · 10 km deep · 78 km away · felt by 29
- 5.936 km NNW of Bahía de Caráquez, Ecuador · 3806 days ago · 10 km deep · 79 km away
- 4.316 km NW of Rocafuerte, Ecuador · 3805 days ago · 10 km deep · 59 km away · felt by 1
- 5.023 km NW of Bahía de Caráquez, Ecuador · 3805 days ago · 10 km deep · 67 km away · felt by 1
- 4.843 km NNW of Bahía de Caráquez, Ecuador · 3805 days ago · 10 km deep · 75 km away
- 4.359 km NNW of Bahía de Caráquez, Ecuador · 3805 days ago · 17 km deep · 79 km away
- 4.854 km W of Bahía de Caráquez, Ecuador · 3805 days ago · 10 km deep · 29 km away
- 4.948 km NW of Bahía de Caráquez, Ecuador · 3805 days ago · 10 km deep · 62 km away · felt by 4
- 4.357 km WSW of Jipijapa, Ecuador · 3805 days ago · 33 km deep · 85 km away
- 4.473 km NW of Bahía de Caráquez, Ecuador · 3803 days ago · 10 km deep · 61 km away
- 3.9121 km WNW of Bahía de Caráquez, Ecuador · 3803 days ago · 19 km deep · 76 km away
- 4.710 km SW of Manta, Ecuador · 3802 days ago · 10 km deep · 51 km away · felt by 1
- 5.456 km NW of Bahía de Caráquez, Ecuador · 3801 days ago · 10 km deep · 68 km away · felt by 1
- 4.1near the coast of Ecuador · 3801 days ago · 10 km deep · 21 km away
- 4.243 km W of Jipijapa, Ecuador · 3800 days ago · 10 km deep · 72 km away
- 4.148 km SW of Montecristi, Ecuador · 3799 days ago · 31 km deep · 67 km away
- 4.330 km WSW of Jipijapa, Ecuador · 3799 days ago · 10 km deep · 93 km away · felt by 1
- 4.356 km NW of Bahía de Caráquez, Ecuador · 3797 days ago · 10 km deep · 58 km away
- 4.326 km WSW of Montecristi, Ecuador · 3793 days ago · 10 km deep · 55 km away
- 4.457 km W of Pedernales, Ecuador · 3792 days ago · 10 km deep · 98 km away
- 4.166 km NW of Bahía de Caráquez, Ecuador · 3791 days ago · 10 km deep · 73 km away
Before
- 4.414 km ESE of Rocafuerte, Ecuador · 3810 days ago · 10 km deep · 89 km away
- 5.650 km NW of Bahía de Caráquez, Ecuador · 3810 days ago · 10 km deep · 67 km away
- 4.439 km WNW of Bahía de Caráquez, Ecuador · 3810 days ago · 10 km deep · 47 km away
- 4.624 km NNE of Bahía de Caráquez, Ecuador · 3810 days ago · 10 km deep · 91 km away · felt by 1
- 4.426 km NNE of Bahía de Caráquez, Ecuador · 3810 days ago · 10 km deep · 92 km away · felt by 1
- 4.843 km NNW of Bahía de Caráquez, Ecuador · 3811 days ago · 10 km deep · 70 km away · felt by 1
- 4.836 km NNE of Bahía de Caráquez, Ecuador · 3811 days ago · 10 km deep · 98 km away · felt by 1
- 4.1near the coast of Ecuador · 3811 days ago · 10 km deep · 98 km away
- 5.5near the coast of Ecuador · 3811 days ago · 15 km deep · 84 km away · felt by 4
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us20005kc2. Read Tue, Sep 22, 2026, 3:40 PM UTC.