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Light mag. 3.7 earthquake - South Pacific Ocean, 49 km north of Machala, Provincia de El Oro, Ecuador, on Saturday, Mar 18, 2023 at 3:44 pm (GMT -5) -

This quake was likely an aftershock of the 6.8 quake South Pacific Ocean, Provincia del Azuay, 49 km north of Machala, Ecuador, Mar 18, 2023 12:12 pm (GMT -5), which had occurred 4 hours earlier.

Light mag. 3.7 earthquake - South Pacific Ocean, 49 km north of Machala, Provincia de El Oro, Ecuador, on Saturday, Mar 18, 2023 at 3:44 pm (GMT -5)

Light magnitude 3.7 earthquake at 12 km depth

18 Mar 21:04 UTC: First to report: RaspberryShake after 19 minutes.

Earthquake details

Date & time	Mar 18, 2023 20:44:43 UTC -
Local time at epicenter	Saturday, Mar 18, 2023 at 3:44 pm (GMT -5)
Status	Confirmed
Magnitude	3.7
Depth	12.0 km
Epicenter latitude / longitude	2.82°S / 79.89°W (South Pacific Ocean, Ecuador)
Antipode	2.82°N / 100.11°E
Shaking intensity	Weak shaking
Felt	1 report
Primary data source	RaspberryShake (RaspberryShake)
Nearest volcano	Licto (183 km / 114 mi)
Nearby towns and cities	13 km (8 mi) NW of Balao (pop: 12,200) \| Show on map \| Quakes nearby 34 km (21 mi) WSW of Naranjal (pop: 32,000) \| Show on map \| Quakes nearby 49 km (31 mi) N of Machala (pop: 198,100) \| Show on map \| Quakes nearby 57 km (35 mi) N of Pasaje (pop: 44,900) \| Show on map \| Quakes nearby 69 km (43 mi) S of Guayaquil (pop: 1,952,000) \| Show on map \| Quakes nearby 72 km (45 mi) S of Duran (pop: 167,800) \| Show on map \| Quakes nearby 99 km (61 mi) W of Cuenca (pop: 277,000) \| Show on map \| Quakes nearby 326 km (202 mi) SSW of Quito (pop: 1,399,800) \| Show on map \| Quakes nearby
Weather at epicenter at time of quake	Light Rain 28.1°C (83 F), humidity: 74%, wind: 1 m/s (2 kts) from SW
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	12 km	Near Coast of Ecuador	RaspberryShake
3.7	12 km	NEAR COAST OF ECUADOR	EMSC

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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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Guayaquil / Weak shaking (MMI III) / complex motion difficult to describe / 15-20 s

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