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Mag. 2.9 quake - 32 km northeast of Calama, Provincia de El Loa, Antofagasta, Chile, on Monday, Feb 12, 2024, at 09:13 am (Santiago time) -

This quake was likely an aftershock of the 5.4 quake 42 km northeast of Calama, Provincia de El Loa, Antofagasta, Chile, Jan 24, 2024 04:05 am (Santiago time), which had occurred 3 weeks earlier.

A light magnitude 2.9 earthquake hit 32 km (20 mi) away from Calama, Antofagasta,  Chile, in the morning of Monday, Feb 12, 2024 at 9.13 am local time (America/Santiago GMT -3). The quake had a moderate depth of 123 km (76 mi) and was not felt (or at least not reported so).

Mag. 2.9 quake - 32 km northeast of Calama, Provincia de El Loa, Antofagasta, Chile, on Monday, Feb 12, 2024, at 09:13 am (Santiago time) Mag. 2.9 quake - 32 km northeast of Calama, Provincia de El Loa, Antofagasta, Chile, on Monday, Feb 12, 2024, at 09:13 am (Santiago time)

Minor magnitude 2.9 earthquake at 123 km depth

12 Feb 12:23 UTC: First to report: EMSC after 10 minutes.
12 Feb 12:26: Now using data updates from CSN

Earthquake details

Date & timeFeb 12, 2024 12:13:17 UTC -
Local time at epicenterMonday, Feb 12, 2024, at 09:13 am (America/Santiago GMT -3)
StatusConfirmed
Magnitude2.9
Depth123.0 km
Epicenter latitude / longitude22.234°S / 68.723°W Provincia de El Loa, Antofagasta, Chile
Also near: Bolivia 72 km (45 mi) away
Seismic antipode22.234°N / 111.277°E
Shaking intensityNot felt
Primary data sourceCSN (National Seismological Center (Centro Sismológico Nacional))
Nearest volcanoSan Pedro (52 km / 32 mi)
Weather at epicenter at time of quakeOvercast Clouds 14.7°C (58 F), humidity: 35%, wind: 0 m/s (1 kts) from S
Estimated seismic energy released1.4 x 109 joules (392 kilowatt hours, equivalent to 0.338 tons of TNT) | about seismic energy
Interactive map
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Nearby places

The closest larger town near the epicenter is Calama, a city with more than 140,000 inhabitants in Chile, in 32 km (20 mi) distance to the southwest, but it is unlikely that the quake was felt there.
Distance Place Max. shaking intensity(*) Region Country
32 km (20 mi)
SW of epicenter
Calama
(pop: 143,100)
I: Not felt
Provincia de El Loa, Antofagasta
92 km (57 mi)
SE of epicenter
San Pedro de Atacama
(pop: 2,000)
: Not felt
Provincia de El Loa, Antofagasta
95 km (59 mi)
SW of epicenter
Sierra Gorda
(pop: 477)
: Not felt
Provincia de Antofagasta, Antofagasta
97 km (61 mi)
W of epicenter
Maria Elena
(pop: 4,900)
: Not felt
Provincia de Tocopilla, Antofagasta
105 km (66 mi)
NW of epicenter
Quillagua
(pop: 141)
: Not felt
Provincia de Tocopilla, Antofagasta
122 km (76 mi)
NE of epicenter
Ollagüe
(pop: 134)
: Not felt
Provincia de El Loa, Antofagasta
149 km (93 mi)
N of epicenter
Huatacondo
(pop: 55)
: Not felt
Provincia del Tamarugal, Tarapaca
153 km (95 mi)
W of epicenter
Tocopilla
(pop: 24,500)
: Not felt
Antofagasta
201 km (125 mi)
NE of epicenter
San Cristobal de Lipez
(pop: 75)
: Not felt
Potosi
201 km (125 mi)
SW of epicenter
Mejillones
(pop: 12,800)
: Not felt
Provincia de Antofagasta, Antofagasta
204 km (127 mi)
N of epicenter
Pica
(pop: 9,300)
: Not felt
Provincia del Tamarugal, Tarapaca
233 km (145 mi)
SW of epicenter
Antofagasta
(pop: 309,800)
: Not felt
Antofagasta
279 km (173 mi)
NE of epicenter
Uyuni
(pop: 10,300)
: Not felt
Potosi
Notes:
(*) Shaking intensity according to the Modified Mercalli Intensity Scale (MMI) and estimated using seismic models.

User-reports for this quake

There are no user reports for this quake yet.
At magnitude 2.9, this quake might have been felt very close to the epicenter and under calm conditions.
If you felt it, be the first to report it!
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
There are no user reports for this quake.

Compare Quake Data

Data for the same earthquake as reported by different agencies

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.
Mag Depth Time GMT
2024-02-12
Epicenter Agency
2.9 123 km
76 mi
12:13:17 Chile: 34 Km Al NE De Calama CSN (National Seismological Center (Centro Sismológico Nacional))
2.9 123 km
76 mi
12:13:17 Antofagasta, Chile
0.5 km (0.3 mi) epicenter difference with CSN
EMSC (European-Mediterranean Seismological Centre)

Seismograms

Seismic station: SAN PEDRO DE ATACAMA (AF01/C1 network) | Distance from quake: 97 km / 61 mi | Show on map | Station Info
Seismic station SAN PEDRO DE ATACAMA: 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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Earthquake statistics

Average number of earthquakes

Based on data from the past 10 years and our earthquake archive back to 1900, there are about 8,700 quakes on average per year in the area near the epicenter of this quake (within 100 km/61 mi):
  • Mag. 6 or higher: 0.14 quakes per year (or 1 quake every 7.1 years)
  • Mag. 5 or higher: 4.1 quakes per year
  • Mag. 4 or higher: 58 quakes per year
  • Mag. 3 or higher: 440 quakes per year (or 36.7 quakes per month)
  • Mag. 2 or higher: 856 quakes per year (or 71 quakes per month)
The area where this quake occurred has a very high level of seismic activity. It has had at least 17 quakes above magnitude 6 since 1900, which suggests that larger earthquakes of this size occur infrequently, probably on average approximately every 5 to 10 years.

Number of quakes per year

Previous quakes in the same area of this earthquake

Map of earlier quakes in the area of this quake

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Map to embed or share

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