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Séisme faible mag. 4.9 - 36 km au nord-est de Calama, Provincia de El Loa, Antofagasta, Chili, mardi, 4 oct. 2022 10:08 (GMT -3) -

Séisme faible mag. 4.9 - 36 km au nord-est de Calama, Provincia de El Loa, Antofagasta, Chili, mardi,  4 oct. 2022 10:08 (GMT -3) Séisme faible mag. 4.9 - 36 km au nord-est de Calama, Provincia de El Loa, Antofagasta, Chili, mardi,  4 oct. 2022 10:08 (GMT -3)

Séisme faible magnitude 4.9 à 118 km de profondeur

4 Oct 13:11 UTC: Premier à signaler: EMSC après 2 minutes.
4 Oct 13:13: Magnitude recalculée de 5.3 à 5.2. Profondeur recalculée de 102.0 à 136.0 km (de 63 à 85 mi). Emplacement de l'épicentre corrigé de 12 km (7.5 mi) au SO.
... [show all] ...
10 Oct 13:42: Profondeur recalculée de 123.4 à 117.6 km (de 77 à 73 mi). Emplacement de l'épicentre corrigé de 11 km (7.1 mi) au NNE.
Update Tue, 4 Oct 2022, 13:24

Magnitude 5.2 earthquake strikes near Calama, Provincia de El Loa, Antofagasta, Chile

5.2 quake 4 Oct 10:08 am (GMT -3)
5.2 quake 4 Oct 10:08 am (GMT -3)
A magnitude 5.2 earthquake near Calama, Provincia de El Loa, Antofagasta, Chile, was reported only 15 minutes ago by the European-Mediterranean Seismological Centre (EMSC), considered one of the key international agencies that monitor seismic activity worldwide. The earthquake occurred at an intermediate depth of 138 km beneath the epicenter in the morning on Tuesday, October 4th, 2022, at 10:08 am local time. The exact magnitude, epicenter, and depth of the quake might be revised within the next few hours or minutes as seismologists review data and refine their calculations, or as other agencies issue their report.
Our monitoring service identified a second report from the citizen-seismograph network of RaspberryShake which listed the quake at magnitude 5.1. A third agency, the German Research Centre for Geosciences (GFZ), reported the same quake at magnitude 5.1.
Based on the preliminary seismic data, the quake should not have caused any significant damage, but was probably felt by many people as light vibration in the area of the epicenter.
Weak shaking might have been felt in Calama (pop. 143,100) located 23 km from the epicenter, and Maria Elena (pop. 4,900) 64 km away.
Other towns or cities near the epicenter where the quake might have been felt as very weak shaking include San Pedro de Atacama (pop. 2,000) located 111 km from the epicenter, and Tocopilla (pop. 24,500) 121 km away.
VolcanoDiscovery will automatically update magnitude and depth if these change and follow up if other significant news about the quake become available. If you're in the area, please send us your experience through our reporting mechanism, either online or via our mobile app. This will help us provide more first-hand updates to anyone around the globe who wants to know more about this quake.

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Détails du séisme

Date et l'heure4 Oct 2022 13:08:57 UTC -
Heure locale à l'épicentremardi, 4 oct. 2022 10:08 (GMT -3)
StatutConfirmé
Magnitude4.9
Profondeur117.6 km
Épicentre latitude / longitude22.1875°S / 68.7347°W (Provincia de El Loa, Antofagasta, Chili)
Antipode sismique22.188°N / 111.265°E
Intensité d'agitationSecousses légères
Senti1 rapports
Source de données principaleUSGS (United States Geological Survey)
Volcan le plus prèsSan Pedro (49 km / 30 mi)
Lieux à proximité36 km NNE de Calama (pop: 143,100) | Carte | Séismes à proximité
97 km E de Maria Elena (pop: 4,900) | Carte | Séismes à proximité
97 km NO de San Pedro de Atacama (pop: 2,000) | Carte | Séismes à proximité
151 km E de Tocopilla (pop: 24,500) | Carte | Séismes à proximité
236 km NE de Antofagasta (pop: 309,800) | Carte | Séismes à proximité
256 km SE de Alto Hospicio (Tarapacá) (pop: 105,100) | Carte | Séismes à proximité
264 km SE de Iquique (Tarapacá) (pop: 227,500) | Carte | Séismes à proximité
504 km SO de Sucre (Chuquisaca, Bolivie) (pop: 224,800) | Carte | Séismes à proximité
Météo à l'épicentre au moment du séismeClear Sky 11.4°C (52 F), humidity: 4%, wind: 3 m/s (5 kts) from WSW
Énergie sismique estimée libérée1.4 x 1012 joules (392 MWh, équivalent à 338 tonnes de TNT) | about seismic energy
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Données pour le même séisme indiquées par différentes agences

Info : Plus les agences signalent le même séisme et publient des données similaires, plus vous pouvez avoir confiance dans les données. Il faut normalement jusqu'à quelques heures pour que les paramètres sismiques soient calculés avec une précision quasi optimale.
Mag.ProfondeurLieuSource
4.9118 km35 Km NNE of Calama, ChileUSGS
4.8105 kmNorthern ChileGFZ
4.9123 kmNorthern ChileRaspberryShake
4.9120 kmANTOFAGASTA, CHILEEMSC
4.910 kmNorthern ChileIRIS
5.091 kmNorthern ChileGeoAu

Seismograms

Seismic station: Daracena (TA01/C1 network) | Distance from quake: 234 km / 146 mi | Show on map | Station Info
Seismic station Daracena: 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: 0.2-10.0 Hz. Source: IRIS Buffer of Uniform Data (BUD) webtool
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Témoignages pour ce séisme (1)

Les rapports des utilisateurs estiment l'intensité perçue des secousses du sol en fonction de l' Échelle MMI (Modified Mercalli Intensity Scale).
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Traduire
Calama, Provincia de El Loa, Antofagasta (33.7 km SSW of epicenter) [Map] / Light shaking (MMI IV) / 15-20 s : Harto ruido y remezón posterior (reported through our app)  

Earlier earthquakes in the same area

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