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Moderate mag. 4.0 earthquake - 79 km northwest of Cono Norte, Arequipa, Peru, on Wednesday, Dec 1, 2021 at 6:36 am (GMT -5) -

Moderate mag. 4.0 earthquake - 79 km northwest of Cono Norte, Arequipa, Peru, on Wednesday, Dec 1, 2021 at 6:36 am (GMT -5) Moderate mag. 4.0 earthquake - 79 km northwest of Cono Norte, Arequipa, Peru, on Wednesday, Dec 1, 2021 at 6:36 am (GMT -5)

Moderate magnitude 4.0 earthquake at 13 km depth

1 Dec 11:47 UTC: First to report: EMSC after 10 minutes.

Earthquake details

Date & timeDec 1, 2021 11:36:50 UTC -
Local time at epicenterWednesday, Dec 1, 2021 at 6:36 am (GMT -5)
Depth13.0 km
Epicenter latitude / longitude15.72°S / 71.97°W (Provincia de Caylloma, Arequipa, Peru)
Antipode15.72°N / 108.03°E
Shaking intensityLight shaking
Felt1 report
Primary data sourceEMSC (European-Mediterranean Seismological Centre)
Nearest volcanoSabancaya (14 km / 9 mi)
Nearby towns and cities14 km (9 mi) E of Chinini (Caylloma) (pop: 159) | Show on map | Quakes nearby
33 km (21 mi) N of Lluta (Caylloma) (pop: 6,000) | Show on map | Quakes nearby
41 km (25 mi) WSW of Chivay (pop: 4,540) | Show on map | Quakes nearby
55 km (34 mi) W of Huarancante (pop: 4,640) | Show on map | Quakes nearby
56 km (35 mi) WSW of Ccolo (pop: 3,860) | Show on map | Quakes nearby
64 km (40 mi) SE of Orcopampa (Castilla) (pop: 5,640) | Show on map | Quakes nearby
67 km (42 mi) NNW of Yura (Arequipa) (pop: 5,690) | Show on map | Quakes nearby
79 km (49 mi) NNW of Cono Norte (pop: 47,300) | Show on map | Quakes nearby
89 km (55 mi) NNW of Arequipa (pop: 841,100) | Show on map | Quakes nearby
682 km (424 mi) SE of Lima (Lima Province) (pop: 7,737,000) | Show on map | Quakes nearby
Weather at epicenter at time of quakeBroken Clouds 2.2°C (36 F), humidity: 33%, wind: 1 m/s (2 kts) from WNW
Estimated seismic energy released6.3 x 1010 joules (17.5 megawatt hours, equivalent to 15.1 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.


Seismic station: Chusmiza, Chile (GO01/C network) | Distance from quake: 528 km / 328 mi | Show on map | Station Info
Seismic station Chusmiza, Chile: 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: 0.2-5.0 Hz. Source: IRIS Buffer of Uniform Data (BUD) webtool
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User reports for this quake (1)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Cabanaconde (11.1 km N of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 10-15 s

Earlier earthquakes in the same area

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