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Moderate mag. 4.2 earthquake - North Pacific Ocean, 66 km southwest of Huixtla, Chiapas, Mexico, on Thursday, Mar 16, 2023 at 1:09 pm (GMT -6) -

Moderate magnitude 4.2 earthquake at 10 km depth

16 Mar 19:14 UTC: First to report: INETER after 5 minutes.
16 Mar 19:35: Now using data updates from SSN

Earthquake details

Date & time	Mar 16, 2023 19:09:03 UTC -
Local time at epicenter	Thursday, Mar 16, 2023 at 1:09 pm (GMT -6)
Status	Confirmed
Magnitude	4.2
Depth	10.0 km
Epicenter latitude / longitude	14.85°N / 93°W (North Pacific Ocean, Mexico)
Antipode	14.85°S / 87°E
Shaking intensity	Light shaking near epicenter
Felt	0 reports
Primary data source	SSN (Servicio Sismológico Nacional)
Nearest volcano	Tacana (100 km / 62 mi)
Nearby towns and cities	36 km (22 mi) WSW of Las Brisas del Huayate (pop: 177) \| Show on map \| Quakes nearby 59 km (37 mi) W of Mazatlan (Mazatán) (pop: 6,840) \| Show on map \| Quakes nearby 61 km (38 mi) SW of Pueblo Nuevo (San Juan) (pop: 7,200) \| Show on map \| Quakes nearby 64 km (40 mi) SW of Escuintla (pop: 9,570) \| Show on map \| Quakes nearby 64 km (40 mi) WNW of Puerto Madero (Tapachula) (pop: 9,560) \| Show on map \| Quakes nearby 66 km (41 mi) S of Mapastepec (pop: 17,900) \| Show on map \| Quakes nearby 66 km (41 mi) WSW of Huixtla (pop: 32,000) \| Show on map \| Quakes nearby 827 km (514 mi) SE of Mexico (pop: 12,294,200) \| Show on map \| Quakes nearby
Weather at epicenter at time of quake	Clear Sky 28.2°C (83 F), humidity: 69%, wind: 3 m/s (6 kts) from SSW
Estimated seismic energy released	1.3 x 10¹¹ joules (35 megawatt hours, equivalent to 30.1 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.	Depth	Location	Source
4.2	10 km	Mexico: 52 Km Al Suroeste De Pueblo Nuevo, México	SSN
3.9	42 km	Mexico: 66 Km Al SUROESTE De HUIXTLA, CHIS	INETER
4.2	10 km	Near Coast of Chiapas, Mexico	RaspberryShake
4.2	10 km	OFFSHORE CHIAPAS, MEXICO	EMSC

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Seismograms

Seismic station: COMITAN (CCIG/MX network) | Distance from quake: 184 km / 114 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

User reports for this quake

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.

There are no user reports for this quake.

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