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Terremoto moderato mag. 4.8 - South Pacific Ocean, 48 km a nord ovest da Caracas, Ecuador, mercoledì, 17 ago 2022 12:50 (GMT -5) -

Terremoto moderato mag. 4.8 - South Pacific Ocean, 48 km a nord ovest da Caracas, Ecuador, mercoledì, 17 ago 2022 12:50 (GMT -5) Terremoto moderato mag. 4.8 - South Pacific Ocean, 48 km a nord ovest da Caracas, Ecuador, mercoledì, 17 ago 2022 12:50 (GMT -5)

Terremoto moderato magnitudine 4.8 a 10 km di profondità

17 Aug 17:56 UTC: Primo a segnalare: RaspberryShake dopo 5 minuti.
17 Aug 18:00: Magnitudine ricalcolata da 4.1 a 4.8. Profondità ricalcolata da 10.0 a 6.0 km (da 6.2 a 3.7 mi). Posizione dell'epicentro corretta di 28 km (17 mi) al E.
17 Aug 19:04: Magnitudine ricalcolata da 4.8 a 4.5. Profondità ricalcolata da 6.0 a 32.0 km (da 3.7 a 19.9 mi). Posizione dell'epicentro corretta di 18 km (11 mi) al SSW.
18 Aug 13:34: Ora utilizzando nuova fonte di dati: USGS
Update Wed, 17 Aug 2022, 18:06

Moderate 4.8 quake hits near Portoviejo, Cantón Portoviejo, Provincia de Manabi, Ecuador

4.8 quake 17 Aug 12:50 pm (GMT -5)
4.8 quake 17 Aug 12:50 pm (GMT -5)
A magnitude 4.8 earthquake near Portoviejo, Cantón Portoviejo, Provincia de Manabi, Ecuador, was reported only 15 minutes ago by the citizen-seismograph network of RaspberryShake, considered the main national agency that monitors seismic activity in this part of the world. The earthquake occurred at a very shallow depth of 6 km beneath the epicenter around noon on Wednesday, August 17th, 2022, at 12:50 pm local time. 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 4.8 earthquake as well. A third agency, the Institute of Geophysics of the National Polytechnic School in Quito (IGEPN), reported the same quake at magnitude 4.6.
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 Caracas (pop. 37,100) located 57 km from the epicenter, Manta (pop. 183,200) 68 km away, Rocafuerte (pop. 10,300) 78 km away, Montecristi (pop. 18,400) 78 km away, Tosagua (pop. 14,700) 86 km away, Portoviejo (pop. 170,300) 89 km away, and Chone (pop. 44,800) 95 km away.
Other towns or cities near the epicenter where the quake might have been felt as very weak shaking include Calceta (pop. 17,300) located 96 km from the epicenter.
VolcanoDiscovery will automatically update magnitude and depth if these change and follow up if other significant news about the quake become available. If you're in the area, please send us your experience through our reporting mechanism, either online or via our mobile app. This will help us provide more first-hand updates to anyone around the globe who wants to know more about this quake.

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Dettagli del sismo

Data e ora17 Aug 2022 17:50:43 UTC -
Ora locale all'epicentromercoledì, 17 ago 2022 12:50 (GMT -5)
Prof.10.0 km
Epicentro latitudine / longitudine0.3841°S / 80.7973°W (South Pacific Ocean, Ecuador)
Antipode0.384°N / 99.203°E
Intensità di scuotimentoScuotimento moderato vicino all'epicentro
Sentito0 rapporti
Fonte dati primariaUSGS (United States Geological Survey)
Vulcano più vicinoQuilotoa (217 km / 135 mi)
Luoghi vicini48 km ONO da Caracas (Cantón Sucre) (pop: 37,100) | Mappa | Sismi nelle vicinanze
65 km N da Manta (pop: 183,200) | Mappa | Sismi nelle vicinanze
75 km NNO da Montecristi (pop: 18,400) | Mappa | Sismi nelle vicinanze
84 km NNO da Portoviejo (pop: 170,300) | Mappa | Sismi nelle vicinanze
86 km ONO da Chone (pop: 44,800) | Mappa | Sismi nelle vicinanze
87 km NO da Calceta (Bolivar) (pop: 17,300) | Mappa | Sismi nelle vicinanze
226 km NNO da Guayaquil (pop: 1,952,000) | Mappa | Sismi nelle vicinanze
253 km O da Quito (pop: 1,399,800) | Mappa | Sismi nelle vicinanze
Energia sismica rilasciata stimata1 x 1012 joules (278 MWh, equivalent to 239 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.
4.810 km47 Km WNW of Bahía De Caráquez, EcuadorUSGS
4.63 kmOff Coast of Ecuador, A 84.14 Km De Bahia De CaraquezIGEPN
4.532 kmNear Coast of EcuadorGFZ
4.810 kmOff Coast of EcuadorRaspberryShake


Seismic station: Otavalo, Ecuador (OTAV/IU network) | Distance from quake: 270 km / 168 mi | Show on map | Station Info
Seismic station Otavalo, Ecuador: 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

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
There are no user reports for this quake.

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