Terremoto moderado mag. 4.9 - San Marcos, 39 km SSW of Ayutla de los Libres, Guerrero, Mexico, lunes, 20 sep 2021 04:36 (GMT -5) -

Este terremoto probablemente fue una réplica del terremoto Sismo M 7.1: Océano Pacífico Norte, 8 km al sur de Acapulco, Estado de Guerrero, México, martes, 7 sep 2021 20:47 (GMT -5) que había ocurrido 12 dias antes.
Terremoto moderado mag. 4.9 - San Marcos, 39 km SSW of Ayutla de los Libres, Guerrero, Mexico, lunes, 20 sep 2021 04:36 (GMT -5)

Terremoto moderado magnitud 4.9 at 25 km depth

20 Sep 09:54 UTC: Primero en informar: VolcanoDiscovery después de 18 minutos.
20 Sep 10:00: Ahora usando una nueva fuente de datos: SSN
Fecha & hora: 20 Sep 2021 09:36:33 UTC -
Hora local al epicentro: lunes, 20 sep 2021 04:36 (GMT -5)
Magnitud: 4.9
Prof.: 25.0 km
Epicentro latitud / longitud: 16.65°N / 99.25°W (San Marcos, Estado de Guerrero, México)
Antipode: 16.65°S / 80.75°E
Nearby towns and cities:
1 km al OSO de Las Lechugas (pop: 422) --> ¡Vea sismos cercanos!
13 km al S de Las Vigas (pop: 4,500) --> ¡Vea sismos cercanos!
16 km al OSO de Florencio Villarreal (Cruz Grande) (pop: 11,800) --> ¡Vea sismos cercanos!
22 km al SE de San Marcos (pop: 13,300) --> ¡Vea sismos cercanos!
29 km al O de Copala (pop: 6,620) --> ¡Vea sismos cercanos!
39 km al SSO de Ayutla de los Libres (pop: 15,400) --> ¡Vea sismos cercanos!
74 km al ESE de Acapulco (pop: 673,500) --> ¡Vea sismos cercanos!
90 km al O de Ometepec (pop: 24,100) --> ¡Vea sismos cercanos!
104 km al SSE de Chilpancingo de los Bravo (pop: 187,300) --> ¡Vea sismos cercanos!
309 km al S de Ciudad de México (Mexico City) (pop: 12,294,200) --> ¡Vea sismos cercanos!
Weather at epicenter at time of quake:
Overcast Clouds 24.9°C (77 F), humidity: 88%, wind: 2 m/s (3 kts) from N
Fuente primaria de datos: SSN (Servicio Sismológico Nacional)
Energía liberada estimada: 1.4 x 1012 joules (392 MWh, equivalente a 338 toneladas de TNT) Más 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.
4.925 kmMexico: 22 Km Al SURESTE De SAN MARCOS, GROSSN
4.520 kmGuerrero, MexicoGFZ
4.610 km7 Km SW of Cruz Grande, MexicoUSGS

User reports for this quake (7)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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near Cruz Grande, Florencio Villarreal, Guerrero (2.4 km ENE of epicenter) [Map] / Weak shaking (MMI III) / rattling, vibrating / 1-2 s : Se sintió cómo 3 brincos como si pasara un Trailer pesado aquí afuera en realidad fue muy rápido y por una parte pensamos que ya estábamos siscados pero en si si paso pues los vidrios de las ventanas y el balcón sonaron | One user found this interesting.  
Copala, Guerrero (30.2 km E of epicenter) [Map] / Moderate shaking (MMI V) / vibration and rolling / very short : Estaba acostada en un colchon sobre el piso, escuche la sacudida de los muebles y del espejo, sentí que estuvo medio fuerte, pero duro muy poco  
Cdmx / not felt (reported through our app)
Estado de México / not felt (reported through our app)
Yautepec Morelos México / Light shaking (MMI IV) / horizontal (sideways) swinging / 5-10 s : Me despertó el movimiento y el crujir de mi edificio  
Ciudad de México / Very weak shaking (MMI II) : Movimiento ligero de objetos colgantes  
Ixtepec, Oaxaca / Very weak shaking (MMI II) / 2-5 s : Agitación de la ventana de mi habitación y balanceo en mi habitación muy leve  
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