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Light mag. 4.1 earthquake - 42 km south of Miahuatlan de Porfirio Diaz, Oaxaca, Mexico, on Monday, Jan 30, 2023 at 9:38 am (GMT -6) -

Light mag. 4.1 earthquake - 42 km south of Miahuatlan de Porfirio Diaz, Oaxaca, Mexico, on Monday, Jan 30, 2023 at 9:38 am (GMT -6) Light mag. 4.1 earthquake - 42 km south of Miahuatlan de Porfirio Diaz, Oaxaca, Mexico, on Monday, Jan 30, 2023 at 9:38 am (GMT -6)

Light magnitude 4.1 earthquake at 53 km depth

30 Jan 15:47 UTC: First to report: VolcanoDiscovery after 9 minutes.
30 Jan 16:00: Now using data updates from SSN

Earthquake details

Date & timeJan 30, 2023 15:38:24 UTC -
Local time at epicenterMonday, Jan 30, 2023 at 9:38 am (GMT -6)
Depth53.1 km
Epicenter latitude / longitude15.97°N / 96.5°W (Candelaria Loxicha, Oaxaca, Mexico)
Antipode15.97°S / 83.5°E
Shaking intensityLight shaking
Felt2 reports
Primary data sourceSSN (Servicio Sismológico Nacional)
Nearby towns and cities2 km (1 mi) N of San Isidro del Camino (pop: 310) | Show on map | Quakes nearby
25 km (15 mi) NW of Huatulco (pop: 7,410) | Show on map | Quakes nearby
25 km (16 mi) N of San Pedro Pochutla (pop: 13,700) | Show on map | Quakes nearby
42 km (26 mi) SSE of Miahuatlan de Porfirio Diaz (Miahuatlán de Porfirio Díaz) (pop: 23,900) | Show on map | Quakes nearby
45 km (28 mi) WNW of Crucecita (pop: 15,100) | Show on map | Quakes nearby
63 km (39 mi) E of Puerto Escondido (pop: 25,900) | Show on map | Quakes nearby
124 km (77 mi) SSE of Oaxaca (pop: 255,000) | Show on map | Quakes nearby
475 km (295 mi) SE of Mexico (Ciudad de México) (pop: 12,294,200) | Show on map | Quakes nearby
Weather at epicenter at time of quakeClear Sky 24.2°C (75 F), humidity: 45%, wind: 2 m/s (4 kts) from S
Estimated seismic energy released8.9 x 1010 joules (24.8 megawatt hours, equivalent to 21.3 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.
4.153 kmMexico: 25 Km Al NORTE De S PEDRO POCHUTLA, OAXSSN
4.153 kmNear Coast of Oaxaca, MexicoRaspberryShake


Seismic station: TLAPA (TLIG/MX network) | Distance from quake: 282 km / 175 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: 0.2-10.0 Hz. Source: IRIS Buffer of Uniform Data (BUD) webtool
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User reports for this quake (2)

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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La Crucecita / Light shaking (MMI IV) / single lateral shake / 2-5 s : Third floor and heard a rumbling and then bed frame shaked for 2 to 5 seconds . Light but definitely felt it.  
Santa Cruz Huatulco (46.1 km ESE of epicenter) [Map] / Weak shaking (MMI III) / rattling, vibrating / 2-5 s : I was sitting in my third floor apartment and the room shook for a few seconds.  
  • Felt it in La Crucecita mild rumbling and bed moving . Not to long few seconds .
  • Felt it in La Crucecita mild rumbling and bed moving . Not to long few seconds .

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