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Light mag. 3.7 earthquake - 22 km west of Rio Grande, Villa de Tututepec de Melchor Ocampo, Oaxaca, Mexico, on Saturday, Jan 28, 2023 at 11:55 pm (GMT -6) -

Light magnitude 3.7 earthquake at 16 km depth

29 Jan 14:07 UTC: First to report: SSN after 8 hours.

Earthquake details

Date & time	Jan 29, 2023 05:55:13 UTC -
Local time at epicenter	Saturday, Jan 28, 2023 at 11:55 pm (GMT -6)
Status	Confirmed
Magnitude	3.7
Depth	16.1 km
Epicenter latitude / longitude	15.98°N / 97.64°W (Villa de Tututepec de Melchor Ocampo, Oaxaca, Mexico)
Antipode	15.98°S / 82.36°E
Shaking intensity	Weak shaking near epicenter
Felt	0 reports
Primary data source	SSN (Servicio Sismológico Nacional)
Nearest volcano	###NEARESTVOLCANO2###
Nearby towns and cities	7 km (4 mi) S of El Lagartero (pop: 106) \| Show on map \| Quakes nearby 22 km (14 mi) W of Rio Grande (pop: 12,900) \| Show on map \| Quakes nearby 27 km (17 mi) SW of Jocotepec (pop: 1,770) \| Show on map \| Quakes nearby 39 km (24 mi) SSE of Santiago (pop: 10,100) \| Show on map \| Quakes nearby 42 km (26 mi) SW of San Miguel Panixtlahuaca (pop: 5,680) \| Show on map \| Quakes nearby 60 km (37 mi) SE of Santiago Pinotepa Nacional (pop: 29,600) \| Show on map \| Quakes nearby 155 km (97 mi) SW of Oaxaca (pop: 255,000) \| Show on map \| Quakes nearby 415 km (258 mi) SSE of Mexico (Ciudad de México) (pop: 12,294,200) \| Show on map \| Quakes nearby
Weather at epicenter at time of quake
Estimated seismic energy released	2.2 x 10¹⁰ joules (6.22 megawatt hours, equivalent to 5.35 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
3.7	16 km	Mexico: 22 Km Al OESTE De RIO GRANDE, OAX	SSN
3.7	16 km	Near Coast of Oaxaca, Mexico	RaspberryShake

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Seismograms

Seismic station: TLAPA (TLIG/MX network) | Distance from quake: 202 km / 125 mi | Show on map | Station Info

Seismic station TLAPA: 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: 0.5-10.0 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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