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Light mag. 3.7 earthquake - Provincia Maria Trinidad Sanchez, 29 km north of San Francisco de Macoris, Dominican Republic, on Tuesday, Oct 4, 2022 at 9:47 am (GMT -4) -

Light mag. 3.7 earthquake - Provincia Maria Trinidad Sanchez, 29 km north of San Francisco de Macoris, Dominican Republic, on Tuesday, Oct 4, 2022 at 9:47 am (GMT -4) Light mag. 3.7 earthquake - Provincia Maria Trinidad Sanchez, 29 km north of San Francisco de Macoris, Dominican Republic, on Tuesday, Oct 4, 2022 at 9:47 am (GMT -4)

Light magnitude 3.7 earthquake at 7 km depth

4 Oct 13:51 UTC: First to report: VolcanoDiscovery after 5 minutes.
4 Oct 13:52: Now using data updates from RaspberryShake
4 Oct 14:04: Magnitude recalculated from 4.2 to 3.7. Hypocenter depth recalculated from 10.0 to 7.0 km (from 6.2 to 4.3 mi). Epicenter location corrected by 22 km (14 mi) towards S.

Earthquake details

Date & timeOct 4, 2022 13:47:12 UTC -
Local time at epicenterTuesday, Oct 4, 2022 at 9:47 am (GMT -4)
Depth7.0 km
Epicenter latitude / longitude19.55°N / 70.17°W (Rio San Juan, Provincia Maria Trinidad Sanchez, Dominican Republic)
Antipode19.55°S / 109.83°E
Shaking intensityWeak shaking
Felt5 reports
Primary data sourceRaspberryShake (RaspberryShake)
Nearby towns and cities10 km (6 mi) E of Joba Arriba (Gaspar Hernandez, Espaillat) (pop: 1,470) | Show on map | Quakes nearby
14 km (9 mi) SW of Rio San Juan (María Trinidad Sánchez) (pop: 8,980) | Show on map | Quakes nearby
29 km (18 mi) NNE of San Francisco de Macoris (Duarte) (pop: 124,800) | Show on map | Quakes nearby
39 km (24 mi) WNW of Nagua (María Trinidad Sánchez) (pop: 33,900) | Show on map | Quakes nearby
47 km (29 mi) E of Tamboril (Santiago) (pop: 23,300) | Show on map | Quakes nearby
49 km (31 mi) ESE of Monte Llano (Villa Montellano, Puerto Plata) (pop: 19,000) | Show on map | Quakes nearby
56 km (35 mi) ENE of Santiago de los Caballeros (pop: 1,200,000) | Show on map | Quakes nearby
123 km (77 mi) NNW of Santo Domingo (Nacional) (pop: 2,201,900) | Show on map | Quakes nearby
106 km (66 mi) NE of Haiti Island (pop: 21,107,000) | Show on map | Quakes nearby
Weather at epicenter at time of quakeOvercast Clouds 29.1°C (84 F), humidity: 76%, wind: 2 m/s (3 kts) from SE
Estimated seismic energy released2.2 x 1010 joules (6.22 megawatt hours, equivalent to 5.35 tons of TNT) | about seismic energy
Show interactive Map
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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.
3.77 kmDominican Republic RegionRaspberryShake


Seismic station: Samana, DR (SMDR/PR network) | Distance from quake: 107 km / 66 mi | Show on map | Station Info
Seismic station Samana, DR: 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. Source: IRIS Buffer of Uniform Data (BUD) webtool
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User reports for this quake (5)

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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Villa Magante Dominican Republic (7.2 km NNE of epicenter) [Map] / Moderate shaking (MMI V) / horizontal (sideways) swinging / 2-5 s : Sitting by pool at house  
Joba Arriba, Gaspar Hernandez, Provincia Espaillat (6.9 km NNW of epicenter) [Map] / Light shaking (MMI IV) / single vertical bump / 2-5 s : first a short rumble and vibrate, then a bump with an audible bang, then it was over  
San Francisco de Macoris, Duarte (29.9 km SSW of epicenter) [Map] / Weak shaking (MMI III) : Un remenion  
La vega / Very weak shaking (MMI II) / 5-10 s : Estaba acostada en la cama y senti un leve temblor.  
Gaspar Hernández / Weak shaking (MMI III) / rattling, vibrating / 1-2 s (reported through our app)

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