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Light mag. 4.2 earthquake - 12 km northwest of Acapulco, Guerrero, Mexico, on Friday, Mar 17, 2023 at 9:57 pm (GMT -6) -

Light magnitude 4.2 earthquake at 27 km depth

18 Mar 04:25 UTC: First to report: VolcanoDiscovery after 28 minutes.
18 Mar 06:35: Now using data updates from RaspberryShake
18 Mar 06:35: Now using data updates from SSN

Earthquake details

Date & time	Mar 18, 2023 03:57:25 UTC -
Local time at epicenter	Friday, Mar 17, 2023 at 9:57 pm (GMT -6)
Status	Confirmed
Magnitude	4.2
Depth	26.6 km
Epicenter latitude / longitude	16.93°N / 99.99°W (Coyuca de Benitez, Guerrero, Mexico)
Antipode	16.93°S / 80.01°E
Shaking intensity	Weak shaking
Felt	1 report
Primary data source	SSN (Servicio Sismológico Nacional)
Nearest volcano	Nevado de Toluca (243 km / 151 mi)
Nearby towns and cities	2 km (2 mi) NE of San Nicolas de las Playas (pop: 253) \| Show on map \| Quakes nearby 12 km (8 mi) NW of Acapulco (pop: 673,500) \| Show on map \| Quakes nearby 14 km (8 mi) SE of Coyuca de Benitez (Coyuca de Benítez) (pop: 13,600) \| Show on map \| Quakes nearby 15 km (9 mi) S of Tixtlancingo (pop: 3,640) \| Show on map \| Quakes nearby 56 km (35 mi) ESE of Atoyac de Alvarez (Atoyac de Álvarez) (pop: 21,400) \| Show on map \| Quakes nearby 86 km (53 mi) SW of Chilpancingo de los Bravo (pop: 187,300) \| Show on map \| Quakes nearby 292 km (182 mi) SSW 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	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	27 km	Mexico: 12 Km Al NOROESTE De ACAPULCO, GRO	SSN
4.2	27 km	Near Cuernavaca, Morelos, Mexico	RaspberryShake

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Seismograms

Seismic station: TLAPA (TLIG/MX network) | Distance from quake: 167 km / 104 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

User reports for this quake (1)

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

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Translate

Coyoacan, Mexico City (282.2 km NNE of epicenter) [Map] / Weak shaking (MMI III) : Bedroom, while laying in bed & watching tv,

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