| Date & time | Mar 1, 2021 08:13:52 UTC |
| Local time at epicenter | Monday, Mar 1, 2021 at 3:13 am (GMT -5) |
| Status | Confirmed |
| Magnitude | 3.6 |
| Depth | 3.0 km |
| Epicenter latitude / longitude | 0.81°N / 77.98°W  (Canton Tulcan, Provincia del Carchi, Ecuador) |
| Antipode | 0.81°S / 102.02°E |
| Shaking intensity | Light shaking near epicenter |
| Felt | 0 reports |
| Primary data source | IGEPN (Institute of Geophysics of the National Polytechnic School in Quito) |
| Nearest volcano | Cerro Negro de Mayasquer (1 km / 1 mi) |
| Nearby towns and cities | 24 km (15 mi) WSW of Cumbal (Nariño, Colombia) (pop: 7,530) | Show on map | Quakes nearby 29 km (18 mi) W of Tulcan (Carchi) (pop: 86,500) | Show on map | Quakes nearby 29 km (18 mi) NW of San Gabriel (Montufar, Carchi) (pop: 15,100) | Show on map | Quakes nearby 47 km (29 mi) N of Pimampiro (Imbabura) (pop: 7,410) | Show on map | Quakes nearby 59 km (37 mi) NNE of Atuntaqui (Antonio Ante, Imbabura) (pop: 17,500) | Show on map | Quakes nearby 71 km (44 mi) NNE of Otavalo (Imbabura) (pop: 32,300) | Show on map | Quakes nearby 88 km (54 mi) NNE of Cayambe (Pichincha) (pop: 26,600) | Show on map | Quakes nearby 90 km (56 mi) WSW of Pasto (Nariño, Colombia) (pop: 382,200) | Show on map | Quakes nearby 131 km (81 mi) NNE 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 quake | Light Rain  3.1°C (38 F), humidity: 100%, wind: 1 m/s (2 kts) from SE |
| Estimated seismic energy released | 1.6 x 1010 joules (4.4 megawatt hours, equivalent to 3.79 tons of TNT) | about seismic energy |
| Mag. | Depth | Location | Source |
| 3.6 | 3 km | Ecuador - Carchi, A 28.79km De Tulcan | IGEPN |
| 3.9 | 5 km | COLOMBIA-ECUADOR BORDER REGION | EMSC |
| 3.8 | 3 km | 193 Km Al Norte De Esmeraldas, Ecuador | INETER |
