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Moderate mag. 4.9 earthquake - 77 km south of Chilpancingo de los Bravo, Guerrero, Mexico, on Saturday, Sep 24, 2022 at 10:27 am (GMT -5) -

Moderate mag. 4.9 earthquake - 77 km south of Chilpancingo de los Bravo, Guerrero, Mexico, on Saturday, Sep 24, 2022 at 10:27 am (GMT -5) Moderate mag. 4.9 earthquake - 77 km south of Chilpancingo de los Bravo, Guerrero, Mexico, on Saturday, Sep 24, 2022 at 10:27 am (GMT -5)

Moderate magnitude 4.9 earthquake at 27 km depth

24 Sep 15:36 UTC: First to report: VolcanoDiscovery after 9 minutes.
24 Sep 15:49: Now using data updates from SSN

Earthquake details

Date & timeSep 24, 2022 15:27:18 UTC -
Local time at epicenterSaturday, Sep 24, 2022 at 10:27 am (GMT -5)
Depth27.0 km
Epicenter latitude / longitude16.87°N / 99.35°W (San Marcos, Guerrero, Mexico)
Antipode16.87°S / 80.65°E
Shaking intensityWeak shaking
Felt6 reports
Primary data sourceSSN (Servicio Sismológico Nacional)
Nearest volcanoChichinautzin (247 km / 153 mi)
Nearby towns and cities2 km (1 mi) W of Santa Elena (pop: 776) | Show on map | Quakes nearby
9 km (6 mi) NNE of San Marcos (pop: 13,300) | Show on map | Quakes nearby
29 km (18 mi) WSW of Ayutla de los Libres (pop: 15,400) | Show on map | Quakes nearby
60 km (37 mi) E of Acapulco (pop: 673,500) | Show on map | Quakes nearby
77 km (48 mi) SSE of Chilpancingo de los Bravo (pop: 187,300) | Show on map | Quakes nearby
78 km (48 mi) S of Tixtla de Guerrero (pop: 22,800) | Show on map | Quakes nearby
83 km (52 mi) SSW of Chilapa de Alvarez (Chilapa de Álvarez) (pop: 31,200) | Show on map | Quakes nearby
286 km (177 mi) S of Mexico (Ciudad de México) (pop: 12,294,200) | Show on map | Quakes nearby
Weather at epicenter at time of quakeOvercast Clouds 26.9°C (80 F), humidity: 76%, wind: 0 m/s (1 kts) from SSW
Estimated seismic energy released1.4 x 1012 joules (392 megawatt hours, equivalent to 338 tons of TNT) | about seismic energy
Show interactive Map
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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.
4.927 kmMexico: 10 Km Al NORESTE De SAN MARCOS, GROSSN
4.652 km14 Km SSW of Caxitepec, MexicoUSGS
4.652 kmGuerrero, MexicoRaspberryShake
4.610 kmGuerrero, MexicoIRIS

User reports for this quake (6)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Colonia Luces en el Mar, Coyuca de Benítez, Guerrero (74.4 km W of epicenter) [Map] / Moderate shaking (MMI V) / horizontal (sideways) swinging / 5-10 s : wow. everything moving like a massage chair. heard the rumble just before it hit | 2 users found this interesting.  
El Conchero (65.8 km W of epicenter) [Map] / Very weak shaking (MMI II) / single lateral shake / 5-10 s : Fue un temblor muy débil pero aún así logré percibirlo.  
Acapulco Mexico (49.4 km W of epicenter) [Map] / Weak shaking (MMI III) / horizontal (sideways) swinging / 2-5 s : Upstairs in the bedroom  
Ciudad de México / Very weak shaking (MMI II) : Moderado movimiento de objetos colgantes (reported through our app)  
Un my motorhome / Weak shaking (MMI III) / horizontal (sideways) swinging / 15-20 s
Acapulco / Light shaking (MMI IV) / rattling, vibrating / 5-10 s

Earlier earthquakes in the same area

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