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Light mag. 3.1 earthquake - 24 km southwest of Tulcan, Provincia del Carchi, Ecuador, on Tuesday, Apr 6, 2021 at 4:02 am (GMT -5)

Light mag. 3.1 earthquake - 24 km southwest of Tulcan, Provincia del Carchi, Ecuador, on Tuesday, Apr 6, 2021 at 4:02 am (GMT -5) Light mag. 3.1 earthquake - 24 km southwest of Tulcan, Provincia del Carchi, Ecuador, on Tuesday, Apr 6, 2021 at 4:02 am (GMT -5)

Light magnitude 3.1 earthquake at 2 km depth

6 Apr 09:10 UTC: First to report: IGEPN after 8 minutes.

Earthquake details

Date & timeApr 6, 2021 09:02:03 UTC
Local time at epicenterTuesday, Apr 6, 2021 at 4:02 am (GMT -5)
Depth2.0 km
Epicenter latitude / longitude0.63°N / 77.84°W (Canton Montufar, Provincia del Carchi, Ecuador)
Antipode0.63°S / 102.16°E
Shaking intensityWeak shaking
Felt4 reports
Primary data sourceIGEPN (Institute of Geophysics of the National Polytechnic School in Quito)
Nearest volcanoCerro Negro de Mayasquer (26 km / 16 mi)
Nearby towns and cities4 km (3 mi) NNW of San Gabriel (Montufar, Carchi) (pop: 15,100) | Show on map | Quakes nearby
24 km (15 mi) SW of Tulcan (Carchi) (pop: 86,500) | Show on map | Quakes nearby
29 km (18 mi) NNE of Pimampiro (Imbabura) (pop: 7,410) | Show on map | Quakes nearby
31 km (20 mi) S of Cumbal (Nariño, Colombia) (pop: 7,530) | Show on map | Quakes nearby
53 km (33 mi) NE of Atuntaqui (Antonio Ante, Imbabura) (pop: 17,500) | Show on map | Quakes nearby
64 km (40 mi) NE of Otavalo (Imbabura) (pop: 32,300) | Show on map | Quakes nearby
74 km (46 mi) NNE of Cayambe (Pichincha) (pop: 26,600) | Show on map | Quakes nearby
90 km (56 mi) SW of Pasto (Nariño, Colombia) (pop: 382,200) | Show on map | Quakes nearby
122 km (76 mi) NE of Quito (Pichincha) (pop: 1,399,800) | Show on map | Quakes nearby
178 km (111 mi) NE of Santo Domingo de los Colorados (Santo Domingo de los Tsáchilas) (pop: 200,400) | Show on map | Quakes nearby
Weather at epicenter at time of quakeOvercast Clouds 7.9°C (46 F), humidity: 90%, wind: 1 m/s (3 kts) from ESE
Estimated seismic energy released2.8 x 109 joules (783 kilowatt hours, equivalent to 0.674 tons of TNT) | about seismic energy
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Data for the same earthquake reported by different agencies

Info: The more agencies report about the same quake and post similar data, the more confidence you can have in the data. It takes normally up to a few hours until earthquake parameters are calculated with near-optimum precision.
3.12 kmEcuador - Carchi, A 3.76km De San GabrielIGEPN


Seismic station: Tumaco, Narino, Colombia (TUM/CM network) | Distance from quake: 165 km / 103 mi | Show on map | Station Info
Seismic station Tumaco, Narino, Colombia: vertical movement plot around time of quake (source: IRIS/BUD)
Seismogram (vertical component) around time of quake. Thin dotted red line indicates time of quake. Seismic waves arrive some time later, depending on distance. Bandpass filter applied: 0.5-10.0 Hz. Source: IRIS Buffer of Uniform Data (BUD) webtool
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User reports for this quake (4)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Leave a comment if you find a particular report interesting or want to add to it.
Flag as inappropriate.
Mark as helpful or interesting.
Send your own user report!
San Gabriel / Weak shaking (MMI III) / rattling, vibrating / 2-5 s : It was fast, but I felt it very strong | 2 users found this interesting.  
En mi cama (133.1 km SSW of epicenter) [Map] / Weak shaking (MMI III) : Estaba recostada y sentí movimientos  
Huaca / Very weak shaking (MMI II) / very short : Light shaking, nothing serious  
San Gabriel / Moderate shaking (MMI V) / rattling, vibrating / 5-10 s

Earlier earthquakes in the same area

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