Moderate mag. 5.5 earthquake - North Pacific Ocean, 135 km south of Tonala, Chiapas, Mexico, on Monday, 11 September 2017 at 21:09 (GMT)

This quake was likely an aftershock of the 8.1 quake North Pacific Ocean, 88 km southwest of Topon, Pijijiapan, Chiapas, Mexico, 8 September 2017 04:49 GMT, which had occurred 4 days earlier.
Moderate mag. 5.5 earthquake  - North Pacific Ocean, 135 km south of Tonala, Chiapas, Mexico, on Monday, 11 September 2017 at 21:09 (GMT)

Moderate magnitude 5.5 earthquake at 10 km depth

11 Sep 21:15 UTC: First to report: GFZ after 7 minutes.
Date & time: 11 Sep 2017 21:09:07 UTC
Magnitude: 5.5
Depth: 10.0 km
Epicenter latitude / longitude: 14.89°N / 93.96°W (North Pacific Ocean, Mexico)
Nearest volcano: Tacana (200 km / 124 mi)
Nearby towns and cities:
103 km (64 mi) SW of El Yahital (Barra el Mapache) (pop: 23) --> See nearby quakes!
120 km (74 mi) SW of Pijijiapan (pop: 16,900) --> See nearby quakes!
129 km (80 mi) WSW of Mapastepec (pop: 17,900) --> See nearby quakes!
130 km (80 mi) S of Paredon (Paredón) (pop: 6,130) --> See nearby quakes!
135 km (84 mi) S of Tonala (Tonalá) (pop: 35,300) --> See nearby quakes!
148 km (92 mi) WSW of Escuintla (pop: 9,570) --> See nearby quakes!
150 km (93 mi) S of Arriaga (pop: 24,400) --> See nearby quakes!
167 km (104 mi) SSW of Villaflores (pop: 37,200) --> See nearby quakes!
195 km (121 mi) SE of Salina Cruz (pop: 76,600) --> See nearby quakes!
746 km (463 mi) SE of Mexico City (pop: 12,294,200) --> See nearby quakes!
406 km (252 mi) SSW of Chinal Island --> See nearby quakes!
Primary data source: GFZ (German Research Centre for Geosciences)
Estimated released energy: 1.1 x 1013 joules (3.12 gigawatt hours, equivalent to 2682 tons of TNT or 0.2 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.
MagnitudeDepthLocationSource
M 5.510 kmNear Coast of Chiapas, MexicoGFZ
M 5.460 km OFFSHORE CHIAPAS, MEXICOEMSC
M 5.462 km- 97km SW of Pijijiapan, MexicoUSGS

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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Mexico City / Moderate shaking (MMI V)
Quetzaltenango (262.2 km E of epicenter) [Map] / Light shaking (MMI IV) (reported through our app)
Quintín Arauz (Mexico, 378 km N of epicenter) : Estaba en el sofá descansando y empecé a sentir que se movía todo por y corto tiempo (reported through EMSC)
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Earlier earthquakes in the same area

Moderate mag. 5.5 earthquake - North Pacific Ocean, 135 km south of Tonala, Chiapas, Mexico, on Monday, 11 September 2017 at 21:09 (GMT)
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