Strong mag. 6.6 earthquake - Near Coast of Peru on Tuesday, 18 July 2017 - information

Major magnitude 6.6 earthquake - South Pacific Ocean, 15 km southwest of Atico, Peru, on Tuesday, 18 July 2017 at 02:05 (GMT)

Major magnitude 6.6 earthquake - South Pacific Ocean, 15 km southwest of Atico, Peru, on Tuesday, 18 July 2017 at 02:05 (GMT)

Major magnitude 6.6 earthquake at 10 km depth

18 Jul 02:10 UTC: First to report: GFZ after 5 minutes.
Jul 18 02:11: Magnitude recalculated from 6.7 to 6.6.
Date & time: 18 Jul 2017 02:05:15 UTC
Magnitude: 6.6
Depth: 10.0 km
Epicenter latitude / longitude: 16.33°S / 73.68°W (South Pacific Ocean, Peru)
Nearest volcano: Sara Sara (122 km / 76 mi)
Nearby towns and cities:
15 km (9 mi) SSW of Atico (pop: 199) --> See nearby quakes!
108 km (67 mi) WNW of Camana (Camaná) (pop: 16,400) --> See nearby quakes!
159 km (99 mi) W of El Pedregal (pop: 20,100) --> See nearby quakes!
193 km (120 mi) WNW of Mollendo (Provincia de Islay) (pop: 29,000) --> See nearby quakes!
224 km (139 mi) W of Cono Norte (pop: 47,300) --> See nearby quakes!
227 km (141 mi) W of Jacobo Hunter (pop: 46,100) --> See nearby quakes!
229 km (142 mi) W of Arequipa (pop: 841,100) --> See nearby quakes!
230 km (143 mi) W of Ciudad Satelite (pop: 76,400) --> See nearby quakes!
230 km (143 mi) W of Selva Alegre (pop: 72,700) --> See nearby quakes!
598 km (372 mi) SE of Lima (pop: 7,737,000) --> See nearby quakes!
Primary data source: GFZ (German Research Centre for Geosciences)
Estimated released energy: 5 x 1014 joules (139 gigawatt hours, equivalent to 1.2 x 105 tons of TNT or 7.5 atomic bombs!) More info
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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.
Mag.DepthLocationSource
6.610 kmNear Coast of PeruGFZ
6.460 km NEAR COAST OF SOUTHERN PERUEMSC
6.444 km- near the coast of southern PeruUSGS

shake map
(shakemap: USGS)

User reports for this quake (25)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Arequipa (229 km E of epicenter) [Map] / Moderate shaking (MMI V) (reported through our app)
Arequipa / Strong shaking (MMI VI)
Tacna (422 km ESE of epicenter) [Map] / Moderate shaking (MMI V) : Lo senti fuerte  
Arequipa, Peru / Light shaking (MMI IV) : Floor was shaking, strong vibrations, but only a few seconds. Everyone in the Hotel took notice .  
Arequipa / Light shaking (MMI IV)
Arequipa historical centre / Light shaking (MMI IV) : I felt the shaking inside a house, 2nd floor. The shaking became stronger slowly and water bottles were shaking on a table.  
Arequipa (234.6 km E of epicenter) [Map] / Light shaking (MMI IV)
Nazca (215 km NW of epicenter) [Map] / Moderate shaking (MMI V)
Arequipa / Light shaking (MMI IV)
229.1 km E of epicenter [Map] / Light shaking (MMI IV)
Arequipa (229.6 km E of epicenter) [Map] / Light shaking (MMI IV)
593.2 km E of epicenter [Map] / Light shaking (MMI IV) (reported through our app)
228.8 km E of epicenter [Map] / Moderate shaking (MMI V) (reported through our app)
Arequipa (227.4 km E of epicenter) [Map] / Moderate shaking (MMI V)
Ica / Weak shaking (MMI III)
Huaral (Peru, 664 km NW of epicenter) : En Huaral no se sintió nada (reported through EMSC)  
José Luis Bustamante District (Peru, 228 km E of epicenter) : Fue bastante fuerte y su intensidad comenzó a subir confirme este avanzaba, además fue bastante largo!!! Rico sentir tanta energia (reported through EMSC)  
Arequipa (Peru, 228 km E of epicenter) : Fue relativamente fuerte, un buen susto. (reported through EMSC)  
Arequipa (Peru, 227 km E of epicenter) : this earthquake was very strong so when I was sitting down at my bed I could realize that the objects near from me started to move and my sister was very scared (reported through EMSC)  
Arequipa (Peru, 227 km E of epicenter) : Otras Pag Web indican una magnitud de 5.5 , cuando la real fue de 6.4 (reported through EMSC)  
Cerro Colorado (Peru, 225 km E of epicenter) : En Arequipa-Perú se sintió moderadamente fuerte y de larga duración (reported through EMSC)  
Distrito de Lima (Peru, 592 km NW of epicenter) : Lima. Epicentro Nazca 6.4 (reported through EMSC)  
Arica (Chile, 430 km SE of epicenter) : Se sintió en Arica Chile (reported through EMSC)  
Arica (Chile, 424 km SE of epicenter) : Ligero se sintió en Arica (reported through EMSC)  
Arica (Chile, 424 km SE of epicenter) : de larga duración (reported through EMSC)  
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Aftershocks

More info
Recorded aftershocks, latest first (13 quakes):
  • 04 Jan 2018 09:56 UTC
    | M 3.6 |
    26 km (16.2 mi) depth
    |
    80 km (50 mi) distance
    | IGP | Details
  • 12 Dec 2017 23:30 UTC
    | M 3.8 |
    44 km (27.3 mi) depth
    |
    72 km (45 mi) distance
    | IGP | Details
  • 10 Dec 2017 18:03 UTC
    | M 3.9 |
    15 km (9.3 mi) depth
    |
    96 km (60 mi) distance
    | IGP | Details
  • 03 Nov 2017 05:32 UTC
    | M 3.5 |
    10 km (6.2 mi) depth
    |
    61 km (38 mi) distance
    | IGP | Details
  • 29 Oct 2017 05:30 UTC
    | M 4.2 |
    35 km (21.7 mi) depth
    |
    16 km (10 mi) distance
    | USGS | Details
  • 24 Oct 2017 20:59 UTC
    | M 4.3 |
    34 km (21.1 mi) depth
    |
    17 km (11 mi) distance
    | IGP | Details
  • 21 Oct 2017 21:38 UTC
    | M 4.1 |
    43.2 km (26.8 mi) depth
    |
    34 km (21 mi) distance
    | USGS | Details
  • 10 Aug 2017 19:31 UTC
    | M 4.3 |
    32 km (19.9 mi) depth
    |
    56 km (35 mi) distance
    | IGP | Details
  • 21 Jul 2017 15:22 UTC
    | M 5.5 |
    10 km (6.2 mi) depth
    |
    109 km (68 mi) distance
    | GFZ | Details
  • 20 Jul 2017 14:19 UTC
    | M 4.2 |
    30 km (18.6 mi) depth
    |
    21 km (13 mi) distance
    | IGP | Details
  • 20 Jul 2017 00:38 UTC
    | M 4.2 |
    29 km (18 mi) depth
    |
    20 km (13 mi) distance
    | IGP | Details
  • 18 Jul 2017 17:48 UTC
    | M 4.3 |
    30 km (18.6 mi) depth
    |
    30 km (19 mi) distance
    | IGP | Details
  • 18 Jul 2017 03:28 UTC
    | M 4.5 |
    28 km (17.4 mi) depth
    |
    35 km (21 mi) distance
    | IGP | Details

Earlier earthquakes in the same area

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