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Séisme modéré mag. 4.6 - Philippine Sea, 5.1 km au sud-est de Masbate, Bicol, Philippines, samedi, 20 août 2022 03:22 (GMT +8) -

Séisme modéré mag. 4.6 - Philippine Sea, 5.1 km au sud-est de Masbate, Bicol, Philippines, samedi, 20 août 2022 03:22 (GMT +8) Séisme modéré mag. 4.6 - Philippine Sea, 5.1 km au sud-est de Masbate, Bicol, Philippines, samedi, 20 août 2022 03:22 (GMT +8)

Séisme modéré magnitude 4.6 à 36 km de profondeur

19 Aug 19:25 UTC: Premier à signaler: VolcanoDiscovery après 3 minutes.
19 Aug 19:35: Maintenant en utilisant une nouvelle source de données: PHIVOLCS
19 Aug 20:40: Magnitude recalculée de 5.2 à 5.0. Profondeur recalculée de 27.0 à 15.0 km (de 16.8 à 9.3 mi). Emplacement de l'épicentre corrigé de 31 km (19 mi) au SSW.
19 Aug 22:02: Maintenant en utilisant une nouvelle source de données: USGS
Update Fri, 19 Aug 2022, 19:39

Magnitude 5.2 earthquake strikes near Bulan, Sorsogon, Bicol, Philippines

5.2 quake 20 Aug 3:22 am (GMT +8)
5.2 quake 20 Aug 3:22 am (GMT +8)
Just 17 minutes ago, a 5.2-magnitude earthquake struck near Bulan, Sorsogon, Bicol, Philippines. The tremor was recorded early morning on Saturday, August 20th, 2022, at 3:22 am local time, at a shallow depth of 27 km below the surface.
The event was filed by the Philippine Institute of Volcanology and Seismology (PHIVOLCS), the first seismological agency to report it.
Based on the preliminary seismic data, the quake was probably felt by many people in the area of the epicenter. It should not have caused significant damage, other than objects falling from shelves, broken windows, etc.
In Bulan (pop. 28,500) located 8 km from the epicenter, Irosin (pop. 20,700) 26 km away, Masbate (pop. 47,500) 37 km away, and Sorsogon (pop. 82,700) 41 km away, the quake should have been felt as light shaking.
Weak shaking might have been felt in Legazpi (pop. 179,500) located 54 km from the epicenter, Polangui (pop. 77,100) 78 km away, Libon (pop. 68,800) 81 km away, and Iriga City (pop. 94,800) 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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Détails du séisme

Date et l'heure19 Aug 2022 19:22:27 UTC -
Heure locale à l'épicentresamedi, 20 août 2022 03:22 (GMT +8)
StatutConfirmé
Magnitude4.6
Profondeur36.4 km
Épicentre latitude / longitude12.353°N / 123.6683°E (Philippine Sea, Philippines)
Antipode12.353°S / 56.332°W
Intensité d'agitationSecousses légères
Senti27 rapports
Source de données principaleUSGS (United States Geological Survey)
Volcan le plus prèsBulusan (62 km / 39 mi)
Lieux à proximité2 km NNE de Mobo (pop: 3,750) | Carte | Séismes à proximité
5 km ESE de Masbate (pop: 47,500) | Carte | Séismes à proximité
18 km SO de San Fernando (Masbate) (pop: 6,210) | Carte | Séismes à proximité
42 km SSO de Bulan (Sorsogon) (pop: 28,500) | Carte | Séismes à proximité
55 km SO de Irosin (pop: 20,700) | Carte | Séismes à proximité
78 km SSO de Sorsogon (pop: 82,700) | Carte | Séismes à proximité
88 km S de Legazpi (pop: 179,500) | Carte | Séismes à proximité
384 km SE de Manille (pop: 1,600,000) | Carte | Séismes à proximité
16 km NNO de Masbate Island (pop: 706,900) | Carte | Séismes à proximité
185 km NE de Panay Island (pop: 4,307,000) | Carte | Séismes à proximité
Énergie sismique estimée libérée5 x 1011 joules (139 MWh, équivalent à 120 tonnes de TNT) | about seismic energy
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Données pour le même séisme indiquées par différentes agences

Info : Plus les agences signalent le même séisme et publient des données similaires, plus vous pouvez avoir confiance dans les données. Il faut normalement jusqu'à quelques heures pour que les paramètres sismiques soient calculés avec une précision quasi optimale.
Mag.ProfondeurLieuSource
4.636 kmPhilippines: 008 Km S 76° W of Bulan (Sorsogon)USGS
4.630 kmMASBATE REGION, PHILIPPINESEMSC
4.636 kmLuzon, PhilippinesRaspberryShake
5.015 km2 Km NNE of Mobo, PhilippinesPHIVOLCS
4.738 kmLuzon, PhilippinesGFZ

Seismograms

Seismic station: Davao, Philippines (DAV/IU network) | Distance from quake: 624 km / 388 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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Témoignages pour ce séisme (28)

Les rapports des utilisateurs estiment l'intensité perçue des secousses du sol en fonction de l' Échelle MMI (Modified Mercalli Intensity Scale).
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Bicol (105.4 km N of epicenter) [Map] / Light shaking (MMI IV) : I was in bed reading, then the ground suddenly shaked. My house is a two story one, and I was at the 2nd floor. | One user found this interesting.  
Puro, Province of Masbate, Bicol (35 km WNW of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 20-30 s : Felt like a heavy truck was passing by with slow moving speed. Woke me up from sleep due to the rattling of my bed. Felt like an imaginary close distance mine blasting in the middle of the night  
Legazpi City (87.3 km N of epicenter) [Map] / Light shaking (MMI IV) / horizontal (sideways) swinging / 20-30 s : Sideways swaying | One user found this interesting. (reported through our app)  
Donsol / Light shaking (MMI IV) / 1-2 s : Just felt my bed moving like sideways, then asked my wife if she felt it too, she said yes and we got up in case it will continue. (reported through our app)  
Gabao, Sorsogon, Bicol (48.4 km NE of epicenter) [Map] / Light shaking (MMI IV) / horizontal (sideways) swinging / 5-10 s : Light shaking  
Bulan, Sorsogon (41.9 km NNE of epicenter) [Map] / Moderate shaking (MMI V) / horizontal (sideways) swinging / 30-60 s
San Jacinto, Masbate (23 km NNE of epicenter) [Map] / Light shaking (MMI IV) / 2-5 s : Awaken by the ground shaking and trembling sound,  
Philippines (35.7 km WSW of epicenter) [Map] / Very weak shaking (MMI II) / rattling, vibrating / 5-10 s
tabaco city (111.3 km N of epicenter) [Map] / Weak shaking (MMI III) / single lateral shake / 2-5 s
Aroroy, Masbate (34.2 km WNW of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 15-20 s
Bulan, Sorsogon (41.7 km NNE of epicenter) [Map] / Light shaking (MMI IV) / single lateral shake / 5-10 s : woke by the earthquake. Felt dizzy  
Masbate City (5.5 km WNW of epicenter) [Map] / Very weak shaking (MMI II) / 10-15 s : I was sleeping then earthquake struck  
masbate city (13.1 km W of epicenter) [Map] / Moderate shaking (MMI V)
Donsol, Sorsogon (61.9 km N of epicenter) [Map] / Light shaking (MMI IV) / single vertical bump / 2-5 s : I was in bed sleeping then suddenly the quake started. It lasted for about 3-4 seconds  
irosin (54.2 km NE of epicenter) [Map] / Weak shaking (MMI III) / horizontal (sideways) swinging / 2-5 s : lakas ng swing ng higaan ko dafook, stay safe sa lahat  
Bulan (41.3 km NNE of epicenter) [Map] / Moderate shaking (MMI V) / rattling, vibrating / 2-5 s : i was sleeping when i felt it  
tabaco c (112.8 km N of epicenter) [Map] / Weak shaking (MMI III) / rattling, vibrating / 10-15 s
Iloilo Duenas (189.9 km SW of epicenter) [Map] / Weak shaking (MMI III) / horizontal (sideways) swinging / 2-5 s : Building slight sway  
Mobo, Masbate, Bicol (2 km SSW of epicenter) [Map] / Strong shaking (MMI VI) / both vertical and horizontal swinging / 5-10 s : Inside the house and got awake by the earthquake  
Bariw, Albay, Bicol (85.6 km N of epicenter) [Map] / Weak shaking (MMI III) / 2-5 s : Short shaking (reported through our app)  
Daraga, Albay / Moderate shaking (MMI V) / horizontal (sideways) swinging / 5-10 s
Bulan, Sorsogon / Light shaking (MMI IV) / horizontal (sideways) swinging / 5-10 s
Bulan, Sorsogon / Light shaking (MMI IV) / horizontal (sideways) swinging / 5-10 s : Light shaking  
Legapi City / Weak shaking (MMI III) / rattling, vibrating / 2-5 s (reported through our app)
Aroroy / Moderate shaking (MMI V)
Masbate / Strong shaking (MMI VI) / horizontal (sideways) swinging / 5-10 s : Horrible  
Home / Very weak shaking (MMI II) / vertical swinging (up and down) / 2-5 s
Tigbi, Tiwi, Albay / not felt
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Earlier earthquakes in the same area

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