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Light mag. 3.5 earthquake - Departamento de Nariño, Colombia, 25 km west of Tulcan, Ecuador, on Friday, Sep 30, 2022 at 5:46 am (GMT -5) -

Light mag. 3.5 earthquake - Departamento de Nariño, Colombia, 25 km west of Tulcan, Ecuador, on Friday, Sep 30, 2022 at 5:46 am (GMT -5) Light mag. 3.5 earthquake - Departamento de Nariño, Colombia, 25 km west of Tulcan, Ecuador, on Friday, Sep 30, 2022 at 5:46 am (GMT -5)

Light magnitude 3.5 earthquake at 5 km depth

30 Sep 10:50 UTC: First to report: IGEPN after 4 minutes.

Earthquake details

Date & timeSep 30, 2022 10:46:38 UTC -
Local time at epicenterFriday, Sep 30, 2022 at 5:46 am (GMT -5)
Depth5.0 km
Epicenter latitude / longitude0.84°N / 77.94°W (Cumbal, Departamento de Nariño, Colombia)
Antipode0.84°S / 102.06°E
Shaking intensityWeak shaking
Felt2 reports
Primary data sourceIGEPN (Institute of Geophysics of the National Polytechnic School in Quito)
Nearest volcanoCerro Negro de Mayasquer (3 km / 2 mi)
Nearby towns and cities18 km (11 mi) WSW of Cumbal (Nariño) (pop: 7,530) | Show on map | Quakes nearby
25 km (16 mi) W of Tulcan (Carchi, Ecuador) (pop: 86,500) | Show on map | Quakes nearby
30 km (19 mi) NNW of San Gabriel (Montufar, Carchi, Ecuador) (pop: 15,100) | Show on map | Quakes nearby
33 km (21 mi) W of Ipiales (Nariño) (pop: 77,700) | Show on map | Quakes nearby
45 km (28 mi) SW of Tuquerres (Túquerres, Nariño) (pop: 20,200) | Show on map | Quakes nearby
84 km (52 mi) WSW of Pasto (Nariño) (pop: 382,200) | Show on map | Quakes nearby
136 km (84 mi) NNE of Quito (Pichincha, Ecuador) (pop: 1,399,800) | Show on map | Quakes nearby
600 km (373 mi) SW of Bogota (Bogotá D.C.) (pop: 7,674,400) | Show on map | Quakes nearby
Weather at epicenter at time of quakeOvercast Clouds 2.4°C (36 F), humidity: 91%, wind: 2 m/s (3 kts) from ESE
Estimated seismic energy released1.1 x 1010 joules (3.12 megawatt hours, equivalent to 2.68 tons of TNT) | about seismic energy
Show interactive Map
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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.
3.55 kmColombia-Ecuador Border Region, A 18.33 Km De CumbalIGEPN
3.55 kmColombia-Ecuador Border RegionRaspberryShake
4.010 kmColombia: 164 Km Al Norte De Esmeraldas, EcuadorINETER


Seismic station: Otavalo, Ecuador (OTAV/IU network) | Distance from quake: 88 km / 55 mi | Show on map | Station Info
Seismic station Otavalo, Ecuador: 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. Source: IRIS Buffer of Uniform Data (BUD) webtool
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User reports for this quake (3)

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.
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Tulcán (23.7 km E of epicenter) [Map] / Weak shaking (MMI III) / single lateral shake / 2-5 s : Me estaba levantando de la cama  
England / not felt
Tulcán (23.9 km E of epicenter) [Map] / Weak shaking (MMI III) : Estaba levantándome de la cama y comenzaron a sonar las ventanas de mi casa  

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