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Light mag. 4.9 earthquake - 13 km northwest of Mapastepec, Chiapas, Mexico, on Wednesday, Mar 8, 2023 at 10:22 pm (GMT -6) -

Light mag. 4.9 earthquake - 13 km northwest of Mapastepec, Chiapas, Mexico, on Wednesday, Mar 8, 2023 at 10:22 pm (GMT -6) Light mag. 4.9 earthquake - 13 km northwest of Mapastepec, Chiapas, Mexico, on Wednesday, Mar 8, 2023 at 10:22 pm (GMT -6)

Light magnitude 4.9 earthquake at 103 km depth

9 Mar 04:26 UTC: First to report: VolcanoDiscovery after 4 minutes.
9 Mar 04:29: Now using data updates from INETER
... [show all] ...
9 Mar 04:49: Now using data updates from SSN

Earthquake details

Date & timeMar 9, 2023 04:22:45 UTC -
Local time at epicenterWednesday, Mar 8, 2023 at 10:22 pm (GMT -6)
StatusConfirmed
Magnitude4.9
Depth103.4 km
Epicenter latitude / longitude15.48°N / 93.01°W (Mapastepec, Chiapas, Mexico)
Antipode15.48°S / 86.99°E
Shaking intensityWeak shaking
Felt16 reports
Primary data sourceSSN (Servicio Sismológico Nacional)
Nearest volcanoTacana (104 km / 65 mi)
Nearby towns and cities2 km (1 mi) N of Adolfo Lopez Mateos (pop: 521) | Show on map | Quakes nearby
13 km (8 mi) WNW of Mapastepec (pop: 17,900) | Show on map | Quakes nearby
31 km (19 mi) SE of Pijijiapan (pop: 16,900) | Show on map | Quakes nearby
70 km (43 mi) WNW of Huixtla (pop: 32,000) | Show on map | Quakes nearby
83 km (51 mi) W of Motozintla (pop: 23,800) | Show on map | Quakes nearby
88 km (55 mi) SSE of Villaflores (pop: 37,200) | Show on map | Quakes nearby
143 km (89 mi) S of Tuxtla Gutiérrez (pop: 537,100) | Show on map | Quakes nearby
784 km (487 mi) ESE of Mexico (Ciudad de México) (pop: 12,294,200) | Show on map | Quakes nearby
Weather at epicenter at time of quakeModerate Rain 23.3°C (74 F), humidity: 92%, wind: 2 m/s (3 kts) from ENE
Estimated seismic energy released1.4 x 1012 joules (392 megawatt hours, equivalent to 338 tons of TNT) | about seismic energy
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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
4.9103 kmMexico: 14 Km Al NOROESTE De MAPASTEPEC, CHISSSN
4.7131 kmNear Coast of Chiapas, MexicoGFZ
4.9128 kmNear Coast of Chiapas, MexicoRaspberryShake
4.9130 kmCHIAPAS, MEXICOEMSC
5.294 kmMexico: 21 Km Al Oeste De Mapastepec, MéxicoINETER
4.9128 km17 Km SSW of Nueva Colombia, MexicoUSGS
4.910 kmMexico-Guatemala Border RegionIRIS

User reports for this quake (17)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Tuxtla (142.4 km N of epicenter) [Map] / Very weak shaking (MMI II) / rattling, vibrating / 10-15 s
near Hermenegildo Galeana, Pijijiapan, Chiapas (3.8 km SW of epicenter) [Map] / not felt : This is God speaking to all evil people that sell drugs and hurt others for greed.  
Huixtla, Chiapas, Mexico. (70.4 km ESE of epicenter) [Map] / Weak shaking (MMI III) : At my computer, the chair and displays were swinging. Lasted about 4-5 seconds.  
Copoya, Tuxtla Gutiérrez, Chiapas (136.9 km N of epicenter) [Map] / Very weak shaking (MMI II) : Movimiento leve  
Cacahoatán Chiapas México (105.5 km ESE of epicenter) [Map] / Very weak shaking (MMI II) / 5-10 s : Fue muy pequeño pero duró unos 5 o 7 segundos  
Tuxtla Gutiérrez, Chiapas (141.1 km N of epicenter) [Map] / Weak shaking (MMI III) / rattling, vibrating / 2-5 s
Huixtla, Chiapas (68.9 km ESE of epicenter) [Map] / Weak shaking (MMI III) / single lateral shake / very short : I was laying in bed and felt like a pull.  
BERRIOZABAL CENTRO (149.9 km NNW of epicenter) [Map] / Weak shaking (MMI III) / rattling, vibrating / 5-10 s : Estaba en la cama.  
Ciudad Tecun Uman, San Marcos (129.7 km SE of epicenter) [Map] / Weak shaking (MMI III) : Lo he sentido ligero pero un poquito fuerte duro mínimo 5 o 6 segundos (reported through our app)  
Guatemala - malacatan san marcos (120.2 km ESE of epicenter) [Map] / Weak shaking (MMI III) / rattling, vibrating / 5-10 s : Esta tratando de dormir  
Quetzaltenango (177.4 km ESE of epicenter) [Map] / Weak shaking (MMI III) : Small objects on table started shaking  
Tapachula / Very weak shaking (MMI II) / rattling, vibrating / 2-5 s
Tuxtla Gutiérrez / Light shaking (MMI IV) / single lateral shake / 2-5 s : Fue vibracion bastante rápida acompañado de un ruido leve, sólo se balancearon algunos objetos  
Tuxtla Gutiérrez / Light shaking (MMI IV) / 10-15 s
Tuxtla Gutiérrez / Light shaking (MMI IV) / rattling, vibrating / 5-10 s
Huehuetenango / Very weak shaking (MMI II) / single lateral shake / 1-2 s : Weak  
San Pedro Sacatepéquez / Weak shaking (MMI III) / 5-10 s (reported through our app)

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