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Light mag. 4.9 earthquake - North Pacific Ocean, 38 km south of Pijijiapan, Chiapas, Mexico, on Saturday, Dec 31, 2022 at 9:38 am (GMT -6) -

Light mag. 4.9 earthquake - North Pacific Ocean, 38 km south of Pijijiapan, Chiapas, Mexico, on Saturday, Dec 31, 2022 at 9:38 am (GMT -6) Light mag. 4.9 earthquake - North Pacific Ocean, 38 km south of Pijijiapan, Chiapas, Mexico, on Saturday, Dec 31, 2022 at 9:38 am (GMT -6)

Light magnitude 4.9 earthquake at 86 km depth

31 Dec 15:47 UTC: First to report: GFZ after 8 minutes.
31 Dec 15:56: Now using data updates from USGS
31 Dec 16:08: Now using data updates from SSN

Earthquake details

Date & timeDec 31, 2022 15:38:54 UTC -
Local time at epicenterSaturday, Dec 31, 2022 at 9:38 am (GMT -6)
Depth85.5 km
Epicenter latitude / longitude15.35°N / 93.27°W (North Pacific Ocean, Mexico)
Antipode15.35°S / 86.73°E
Shaking intensityLight shaking
Felt1 report
Primary data sourceSSN (Servicio Sismológico Nacional)
Nearest volcanoTacana (127 km / 79 mi)
Nearby towns and cities16 km (10 mi) SW of La Esperanza (El Zapotal) (pop: 1,030) | Show on map | Quakes nearby
29 km (18 mi) SW of Joaquin Miguel Gutiérrez (Margaritas) (pop: 1,620) | Show on map | Quakes nearby
38 km (24 mi) S of Pijijiapan (pop: 16,900) | Show on map | Quakes nearby
41 km (25 mi) WSW of Mapastepec (pop: 17,900) | Show on map | Quakes nearby
90 km (56 mi) WNW of Huixtla (pop: 32,000) | Show on map | Quakes nearby
97 km (60 mi) SSE of Tonala (Tonalá) (pop: 35,300) | Show on map | Quakes nearby
98 km (61 mi) S of Villaflores (pop: 37,200) | Show on map | Quakes nearby
769 km (478 mi) SE of Mexico (pop: 12,294,200) | Show on map | Quakes nearby
Weather at epicenter at time of quakeOvercast Clouds 27.4°C (81 F), humidity: 61%, wind: 3 m/s (6 kts) from NW
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.
4.986 km20 Km SSW of La Esperanza (El Zapotal), MexicoSSN
4.798 kmNear Coast of Chiapas, MexicoRaspberryShake
5.423 kmMexico: 32 Km Al Sur De Pijijiapan, MéxicoINETER
4.785 kmNear Coast of Chiapas, MexicoGFZ
4.798 kmMexico: 37 Km Al SUR De PIJIJIAPAN, CHISUSGS


Seismic station: COMITAN (CCIG/MX network) | Distance from quake: 159 km / 99 mi | Show on map | Station Info
Seismic station COMITAN: vertical movement plot around time of quake (source: IRIS/BUD)
Seismogram (vertical component) around time of quake. Thin dotted red line indicates time of quake. Seismic waves arrive some time later, depending on distance. Bandpass filter applied: 0.2-10.0 Hz. Source: IRIS Buffer of Uniform Data (BUD) webtool
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User reports for this quake (1)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Leave a comment if you find a particular report interesting or want to add to it.
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huixtla, chiapas, mexico (89.8 km ESE of epicenter) [Map] / Light shaking (MMI IV) / 5-10 s : Sitting at my desk, on the second floor, there were significant, but smooth, lateral movements. Not a truck passing by | 2 users found this interesting.  

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