Sismo leggero mag. 3.5 - Mare di Sulu, 54 km a ovest da Isabela, Filippine, mercoledí, 21 aprile 2021 -

Sismo leggero mag. 3.5 - Mare di Sulu, 54 km a ovest da Isabela, Filippine, mercoledí, 21 aprile 2021

Sismo leggero magnitudine 3.5 at 6 km depth

21 Apr 06:24 UTC: Primo a segnalare: PHIVOLCS dopo 7 minuti.
21 Apr 06:46: Ora utilizzando nuova fonte di dati: PHIVOLCS
22 Apr 07:00: Magnitudine ricalcolata da 3.2 a 3.5. Profondità ricalcolata da 2.0 a 6.0 km (da 1.2 a 3.7 mi). Posizione dell'epicentro corretta di 14 km (8.6 mi) al ENE.
Data & ora: 21 Apr 2021 06:18:00 UTC -
Ora locale a epicentro: 21 April 2021 - 02:18 PM (PST)
Magnitudine: 3.5
Profondità: 6.0 km
Epicentro latitudine / longitudine: 6.89°N / 121.61°E (Mare di Sulu, Zamboanga Peninsula, Filippine)
Vulcano più vicino: Jolo (152 km / 94 mi)
Nearby towns and cities:
37 km OSO da Talisayan (Zamboanga del Sur) (pop: 5,450) --> Vedi sismi vicini
38 km NO da Tairan Camp (Autonomous Region in Muslim Mindanao) (pop: 2,770) --> Vedi sismi vicini
40 km O da Recodo (pop: 42,800) --> Vedi sismi vicini
40 km SO da Labuan (Zamboanga del Sur) (pop: 12,900) --> Vedi sismi vicini
45 km ONO da Isabela (Autonomous Region in Muslim Mindanao) (pop: 67,300) --> Vedi sismi vicini
48 km NO da Maluso (Basilan, Autonomous Region in Muslim Mindanao) (pop: 31,400) --> Vedi sismi vicini
51 km O da Zamboanga City (pop: 457,600) --> Vedi sismi vicini
68 km OSO da Sangali (Zamboanga del Sur) (pop: 14,700) --> Vedi sismi vicini
115 km NE da Jolo (Autonomous Region in Muslim Mindanao) (pop: 101,000) --> Vedi sismi vicini
861 km S da Manila (National Capital Region) (pop: 1,600,000) --> Vedi sismi vicini
112 km NNE da Jolo Island (pop: 530,000) --> Vedi sismi vicini
Fonte dati primaria: PHIVOLCS (Philippine Institute of Volcanology and Seismology)
Stima dell'energia sismica liberata: 1.1 x 1010 joules (3.12 megawatt hours, equivalent to 2.68 tons of TNT) More info
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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.
3.56 km026 Km N 04° E of Hadji Muhtamad (Basilan), PhilippinesPHIVOLCS
unknownn/aNear Zamboanga City, Zamboanga Peninsula, PhilippinesVolcanoDiscovery

User reports for this quake (14)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Sinunuc, zamboanga City / Very weak shaking (MMI II) / single vertical bump / very short : i am seated in our sala set while watc hing television, i felt very slow vertical bump of the chair where i am seated. My son also felt inside his room, and rush outside and said ma its earthquack. | 4 users found this interesting.  
Zamboanga city / Moderate shaking (MMI V) / rattling, vibrating / 30-60 s : The water is shaking vigorously and the earthquake has sound effects | One user found this interesting.  
Tala Lumbangan Zone 4 Zamboanga City / Light shaking (MMI IV) / vertical swinging (up and down) / 2-5 s : My water spill 1/4 of it, I was eating during that time. When I felt that it was an earthquake I go down at the table and put my hands on my head.  
recodo zamboanga city / Weak shaking (MMI III) / 2-5 s
Lamitan City (58.8 km ESE of epicenter) [Map] / Weak shaking (MMI III) / 1-2 s
Zamboanga / Very weak shaking (MMI II) / 1-2 s
Isabela basilan / Weak shaking (MMI III) / rattling, vibrating / 2-5 s
tumaga, zamboanga city / Weak shaking (MMI III) / complex motion difficult to describe / 20-30 s
Zamboanga city / Light shaking (MMI IV) / horizontal (sideways) swinging / 1-2 s
Zamboanga City / Very weak shaking (MMI II) / very short
Lamitan City / Very weak shaking (MMI II)
Zamboanga City / Weak shaking (MMI III) / single lateral shake / 5-10 s
Baliwasan, Zamboanga City / Weak shaking (MMI III) / horizontal (sideways) swinging / 10-15 s
zamboanga city (51.4 km E of epicenter) [Map] / Very weak shaking (MMI II) / horizontal (sideways) swinging / 5-10 s : felt my bed move  
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