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Moderate mag. 5.4 earthquake - Northern Chile on Saturday, 21 July 2018

Moderate mag. 5.4 earthquake  - Northern Chile on Saturday, 21 July 2018
21 Jul 14:43 UTC: First to report: GFZ after 4 minutes.
Jul 21 14:45: Magnitude recalculated from 5.3 to 5.4.
Hypocenter depth recalculated from 115.0 to 99.0 km.
Date & time: Saturday, 21 July 2018 14:39 UTC
Magnitude: 5.4
Depth: 99.0 km
Epicenter latitude / longitude: 22.32°S / 68.49°W (Chile)
Nearest volcano: Paniri (36 km / 22 mi)
Nearby towns and cities:
47 km (29 mi) NE of Calama (pop: 143,100)
72 km (45 mi) NW of San Pedro de Atacama (pop: 2,000)
137 km (85 mi) SW of Villa Alota (pop: 100)
178 km (110 mi) E of Tocopilla (pop: 24,500)
190 km (118 mi) SW of San Cristóbal (pop: 100)
1257 km (781 mi) N of Santiago (pop: 4,837,300)
Primary data source: GFZ
Estimated released energy: 7.9 x 1012 joules (2.21 gigawatt hours, equivalent to 1898 tons of TNT or 0.1 atomic bombs!) [learn more]
If you felt this quake (or if you were near the epicenter), please share your experience and submit a short "I felt it" report! Other users would love to hear about it!
Also if you did NOT feel the quake although you were in the area, please report it! Your contribution is valuable also to earthquake science and earthquake hazard analysis and mitigation efforts. You can use your device location or the map to indicate where you were during the earthquake. Thank you!

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.
TimeMag. / DepthLocationSource
Sat, 21 Jul 14:39 UTCM 5.4 / 99 kmNorthern ChileGFZ
Sat, 21 Jul 14:39 UTCM 5.2 / 98 kmANTOFAGASTA, CHILEEMSC
2018-07-21 10:39:03 -04:00 (21 Jul 14:39:03 UTC)M 5.2 / 102.6 km- 43km ENE of Calama, ChileUSGS
Sat, 21 Jul 14:39 UTCM 5.1 / 117.3 km36 Km Al NE De CalamaGUG (U. Chile)
Sat, 21 Jul 14:39 UTCM 5.2 / 90.3 kmNorthern ChileGeoAu

User reports for this quake (3)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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1170.9 km S of epicenter [Map] / not felt (reported through our app)
Calama (45.3 km WSW of epicenter) [Map] / Moderate shaking (MMI V) : Ruido subterraneo seguido de sacudidas en sentido este- oeste y finalmente sacudidas pequeñas . (reported through our app)
45.8 km WSW of epicenter [Map] / Light shaking (MMI IV) (reported through our app)

Aftershocks of the 5.4 quake: Northern Chile, 21 Jul 2018 14:39

More info
Recorded aftershocks, latest first (16 quakes):
  • 29 Aug 2018 14:16 UTC
    | M 2.8 |
    111.5 km (69.3 mi) depth
    |
    28 km (18 mi) distance
    | GUG (U. Chile) | Details
  • 27 Aug 2018 19:16 UTC
    | M 3.0 |
    109 km (67.7 mi) depth
    |
    3 km (2 mi) distance
    | GUG (U. Chile) | Details
  • 21 Aug 2018 09:32 UTC
    | M 3.6 |
    102.8 km (63.9 mi) depth
    |
    27 km (17 mi) distance
    | GUG (U. Chile) | Details
  • 20 Aug 2018 19:26 UTC
    | M 2.6 |
    111.6 km (69.3 mi) depth
    |
    22 km (14 mi) distance
    | GUG (U. Chile) | Details
  • 18 Aug 2018 16:17 UTC
    | M 2.7 |
    122.6 km (76.2 mi) depth
    |
    19 km (12 mi) distance
    | GUG (U. Chile) | Details
  • 16 Aug 2018 14:26 UTC
    | M 2.8 |
    109 km (67.7 mi) depth
    |
    29 km (18 mi) distance
    | GUG (U. Chile) | Details
  • 11 Aug 2018 16:38 UTC
    | M 2.8 |
    112.1 km (69.7 mi) depth
    |
    28 km (17 mi) distance
    | GUG (U. Chile) | Details
  • 07 Aug 2018 15:10 UTC
    | M 2.7 |
    98.2 km (61 mi) depth
    |
    11 km (7 mi) distance
    | GUG (U. Chile) | Details
  • 06 Aug 2018 23:19 UTC
    | M 2.7 |
    112.6 km (70 mi) depth
    |
    7 km (4 mi) distance
    | GUG (U. Chile) | Details
  • 05 Aug 2018 02:04 UTC
    | M 2.6 |
    120.4 km (74.8 mi) depth
    |
    12 km (7 mi) distance
    | GUG (U. Chile) | Details
  • 03 Aug 2018 12:05 UTC
    | M 2.9 |
    106.1 km (65.9 mi) depth
    |
    27 km (17 mi) distance
    | GUG (U. Chile) | Details
  • 31 Jul 2018 18:52 UTC
    | M 2.8 |
    112.6 km (70 mi) depth
    |
    20 km (12 mi) distance
    | GUG (U. Chile) | Details
  • 31 Jul 2018 14:24 UTC
    | M 2.6 |
    113.5 km (70.5 mi) depth
    |
    17 km (10 mi) distance
    | GUG (U. Chile) | Details
  • 30 Jul 2018 20:37 UTC
    | M 2.7 |
    110.1 km (68.4 mi) depth
    |
    19 km (12 mi) distance
    | GUG (U. Chile) | Details
  • 24 Jul 2018 03:29 UTC
    | M 3.4 |
    121.5 km (75.5 mi) depth
    |
    27 km (17 mi) distance
    | GUG (U. Chile) | Details
  • 23 Jul 2018 04:38 UTC
    | M 3.5 |
    115.6 km (71.8 mi) depth
    |
    27 km (17 mi) distance
    | GUG (U. Chile) | Details

Earlier earthquakes in the same area

Moderate mag. 5.4 earthquake - Northern Chile on Saturday, 21 July 2018

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