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Sismo leggero mag. 4.9 - Philippine Sea, 44 km a est da Surigao City, Filippine, mercoledì, 17 ago 2022 17:35 (GMT +8) -

Sismo leggero mag. 4.9 - Philippine Sea, 44 km a est da Surigao City, Filippine, mercoledì, 17 ago 2022 17:35 (GMT +8) Sismo leggero mag. 4.9 - Philippine Sea, 44 km a est da Surigao City, Filippine, mercoledì, 17 ago 2022 17:35 (GMT +8)

Sismo leggero magnitudine 4.9 a 127 km di profondità

17 Aug 09:42 UTC: Primo a segnalare: VolcanoDiscovery dopo 7 minuti.
17 Aug 09:45: Ora utilizzando nuova fonte di dati: PHIVOLCS
17 Aug 09:51: Ora utilizzando nuova fonte di dati: USGS
Update Wed, 17 Aug 2022, 09:51

Moderate yet deep magnitude 5.1 earthquake 85 km northeast of Butuan, Philippines

5.1 quake 17 Aug 5:35 pm (GMT +8)
5.1 quake 17 Aug 5:35 pm (GMT +8)
An earthquake of magnitude 5.1 occurred in the afternoon on Wednesday, August 17th, 2022, at 5:35 pm local time near Butuan, Agusan del Norte, Caraga, Philippines, as reported by the Philippine Institute of Volcanology and Seismology (PHIVOLCS).
According to preliminary data, the quake was located at an intermediate depth of 129 km. The strength of the earthquake may have been tempered by its relative great depth below the surface, which makes it feel weaker in absolute terms. 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 France's Réseau National de Surveillance Sismique (RéNaSS), which listed it as a magnitude 5.3 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 Socorro (pop. 9,700) located 3 km from the epicenter, and Surigao City (pop. 87,800) 54 km away.
Other towns or cities near the epicenter where the quake might have been felt as very weak shaking include Tandag (pop. 29,000) located 64 km from the epicenter, Cabadbaran (pop. 31,100) 70 km away, Butuan (pop. 309,700) 85 km away, Libertad (pop. 250,400) 88 km away, Buenavista (pop. 18,700) 91 km away, and Bayugan (pop. 40,600) 96 km away.
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 09:35:14 UTC -
Ora locale all'epicentromercoledì, 17 ago 2022 17:35 (GMT +8)
StatusConfermato
Magnitudine4.9
Prof.127.2 km
Epicentro latitudine / longitudine9.6623°N / 125.8786°E (Philippine Sea, Filippine)
Antipode9.662°S / 54.121°W
Intensità di scuotimentoScuotimento debole
Sentito2 rapporti
Fonte dati primariaUSGS (United States Geological Survey)
Vulcano più vicinoPaco (40 km / 25 mi)
Luoghi vicini11 km ONO da Socorro (pop: 9,740) | Mappa | Sismi nelle vicinanze
44 km ESE da Surigao City (pop: 87,800) | Mappa | Sismi nelle vicinanze
71 km NNE da Cabadbaran (pop: 31,100) | Mappa | Sismi nelle vicinanze
74 km NNO da Tandag (pop: 29,000) | Mappa | Sismi nelle vicinanze
87 km NNE da Butuan (pop: 309,700) | Mappa | Sismi nelle vicinanze
90 km NNE da Libertad (pop: 250,400) | Mappa | Sismi nelle vicinanze
92 km NE da Buenavista (pop: 18,700) | Mappa | Sismi nelle vicinanze
765 km SE da Manila (pop: 1,600,000) | Mappa | Sismi nelle vicinanze
173 km SE da Leyte Island (pop: 2,388,500) | Mappa | Sismi nelle vicinanze
209 km NNE da Mindanao Island (pop: 25,537,700) | Mappa | Sismi nelle vicinanze
Meteo all'epicentro al momento del sismoOvercast Clouds 25.9°C (79 F), humidity: 85%, wind: 2 m/s (4 kts) from NW
Energia sismica rilasciata stimata1.4 x 1012 joules (392 MWh, equivalent to 338 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.Prof.UbicazioneFonte
4.9127 kmPhilippines: 002 Km S 41° W of Socorro (Surigao Del Norte)USGS
5.310 kmPhilippines: Near DavaoRENASS
5.0131 km10 Km WNW of Socorro, PhilippinesPHIVOLCS
4.9140 kmMINDANAO, PHILIPPINESEMSC
4.9127 kmMindanao, PhilippinesRaspberryShake

Seismograms

Seismic station: Davao, Philippines (DAV/IU network) | Distance from quake: 290 km / 180 mi | Show on map | Station Info
Seismic station Davao, Philippines: 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 (2)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Butuan City (87.4 km SSW of epicenter) [Map] / Very weak shaking (MMI II) / horizontal (sideways) swinging / 10-15 s : I was in a car during a stop light, the shaking is a bit magnified. I noticed the wires above didn't swing as much. (reported through our app)  
Butuan City (87.3 km SSW of epicenter) [Map] / Light shaking (MMI IV) : Chandelier swinging  

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