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.
Mag.ProfonditàUbicazioneFonte
3.56 km026 Km N 04° E of Hadji Muhtamad (Basilan), PhilippinesPHIVOLCS
unknownn/aNear Zamboanga City, Zamboanga Peninsula, PhilippinesVolcanoDiscovery
3.22 kmSULU ARCHIPELAGO, PHILIPPINESEMSC

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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