RSS feed source: Volcano Discovery.com--Global earthquake monitor

Sun, 11 May 2025, 06:55 | BY: EARTHQUAKEMONITOR

An earthquake of magnitude 4.3 occurred early morning on Sunday, May 11th, 2025, at 2:43 am local time near San Antonio, San Antonio Province, Region de Valparaiso, Chile, as reported by The National Seismological Center (Centro Sismológico Nacional, CSN) of the University of Chile.
According to preliminary data, the quake was located at a moderately shallow depth of 38. km. The exact magnitude, epicenter, and depth of the quake might be revised within the next few hours or minutes as seismologists review data and refine their calculations, or as other agencies issue their report.
A second report was later issued by the European-Mediterranean Seismological Centre (EMSC), which listed it as a magnitude 4.5 earthquake.
Based on the preliminary seismic data, the quake should not have caused any significant damage, but was probably felt by many people as light vibration in the area of the epicenter.
Weak shaking might have been felt in San Antonio (pop. 85,700) located 22 km from the epicenter, and Cartagena (pop. 16,900) 26 km away.
Other towns or cities near the epicenter where the quake might have been felt as very weak shaking include Melipilla (pop. 63,100) located 34 km from the epicenter, El Monte (pop. 23,100) 55 km away, Talagante (pop. 51,800) 60 km away, Penaflor (pop. 65,500) 66 km away, Paine (pop.

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Date and TimeMag
DepthDistanceLocationDetailsMap May 4, 12:55 am (GMT +8)

4.2

4 km42 km (26 mi) to the SE 20 km west of Dumaguete, Philippines 2 reportsInfoMay 3, 12:55 pm (Manila)

4.2

33 km49 km (30 mi) to the SE 15 km southwest of Dumaguete, Philippines 55 reportsInfoDec 17, 2024 03:37 pm (Manila)

5.1

35 km36 km (22 mi) to the W 22 km northeast of Asia, Philippines 37 reportsInfoNov 6, 2024 02:14 am (GMT +8)

4.2

24 km83 km (52 mi) to the SW Sulu Sea, 47 km southwest of Bayawan, Philippines 2 reportsInfoSep 27, 2024 03:16 pm (GMT +8)

4.2

10 km98 km (61 mi) to the W31 km W of Bulata, Philippines InfoSep 10, 2024 01:22 am (Manila)

4.8

10 km91 km (56 mi) to the S Sulu Sea, 35 km north of Dipolog, Philippines 42 reportsInfoSep 5, 2024 11:10 pm (Manila)

4.5

32 km70 km (43 mi) to the NW2 km W of Linaon, Philippines InfoMay 3, 2024 12:38 pm (GMT +8)

4.6

10 km86 km (53 mi) to the SW 44 km SSW of Basay, Philippines 2 reportsInfoMar 16, 2024 12:40 am (Manila)

4.6

10 km58 km (36 mi) to the W 7.1 km east of Sipalay, Philippines 6 reportsInfoOct 15, 2013 04:42 pm (Manila)

5.7

16 km80 km (49 mi) to the E 11 km W of Loon, Philippines 2 reportsInfoOct 15, 2013 08:12 am (Manila)

7.1

19 km127 km (79 mi) to the E 4 km SE of Sagbayan, Philippines 107 reportsInfoNov 14, 2012 01:21 pm (Manila)

5.7

41 km67 km (42 mi) to the NW 4.4 km northeast of Linaon, Philippines 3 reportsInfoFeb 6, 2012 07:33 pm (Manila)

5.8

15 km23 km (14 mi) to the NE 8 km north

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Moderate magnitude 4.2 earthquake at unknown depth

11 May 06:53 UTC: First to report: VolcanoDiscovery after 9 minutes.
11 May 07:24: Now using data updates from KNDC
… [show all] …
11 May 07:45: Now using data updates from USGS

I didn’t feel it

I felt this quake

Earthquake details Date & timeMay 11, 2025 06:44:30 UTC – Local time at epicenterSunday, May 11, 2025, at 11:44 am (Asia/Atyrau GMT +5) Statusconfirmed (manually revised) Magnitude4.2 Depth10 km Epicenter latitude / longitude46.1642°N / 53.3504°E Kazakhstan Seismic antipode46.1642°S / 126.65°W Quality36 seismic stations Shaking intensityIV Light shaking near epicenter Felt3 reports Primary data sourceUSGS (United States Geological Survey) Weather at epicenter at time of quakeClear Sky 32.2°C (90 F), humidity: 17%, wind: 7 m/s (13 kts) from S Estimated seismic energy released1.3 x 1011 joules (35 megawatt hours, equivalent to 30.1 tons of TNT) | equivalent to ONE quake of magnitude 4.2 | about seismic energy

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Nearby places The closest larger town where the quake might have been felt is Karaton, a town with 8,900 inhabitants in Kazakhstan, in 32 km (20 mi) distance north of the epicenter. People likely experienced weak shaking there.
The following table shows some of the places that might have been affected (or not) by the shaking.

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san vicente de tagu tagua (86 km SSE of epicenter) [Map] / Light shaking (MMI IV) : estaba acostada y se sentía un movimiento más o menos fuerte, se escuchaba como sonaban las paredes y ventanas, duro bastante rato pero no más de un minuto | One user found this interesting.  

San Vicente de Tagua Tagua (82.9 km SSE of epicenter) [Map] / Light shaking (MMI IV) / complex rolling (tilting in multiple directions) / 15-20 s : Un ruido primero con un movimiento brusco pero suave. Luego, un movimiento oscilado en todas direcciones suave y contaste y luego un movimiento brusco con ruido agitado que remeció mi cama en todas direcciones,luego un movimiento similar al del inicio, como arrullador. Fue ruidoso.  

valparaiso, acostada y mi gata se asusto justo seg (81.8 km NNW of epicenter) [Map] / Very weak shaking (MMI II) / rattling, vibrating / very short : estaba acostada y mi gatita se asusto segundos antes de sentirlo yo | One user found this interesting.  

yelcho 85, san bernardo (71.8 km ENE of epicenter) [Map] / Very weak

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