Terremoto moderado mag. 4.2 - 4.7 km NNW of Naga City, Province of Camarines Sur, Bicol, Philippines, domingo, 17 oct 2021 18:51 (GMT +8) -

Terremoto moderado mag. 4.2 - 4.7 km NNW of Naga City, Province of Camarines Sur, Bicol, Philippines, domingo, 17 oct 2021 18:51 (GMT +8)

Terremoto moderado magnitud 4.2 at 6 km depth

17 Oct 10:53 UTC: Primero en informar: VolcanoDiscovery después de 2 minutos.
17 Oct 11:10: Ahora usando una nueva fuente de datos: PHIVOLCS
17 Oct 17:05: Profundidad recalculada de 4.0 a 5.0 km (de 2.5 a 3.1 mi). Ubicación del epicentro corregida 8 km (4.9 mi) al NNW.
18 Oct 06:35: Profundidad recalculada de 5.0 a 6.0 km (de 3.1 a 3.7 mi). Ubicación del epicentro corregida 1.6 km (1 mi) al SE.
Update Sun, 17 Oct 2021, 11:15
Moderate magnitude 4.2 earthquake 2 km southeast of Naga City, Philippines
4.2 quake 17 Oct 6:51 pm (GMT +8)
4.2 quake 17 Oct 6:51 pm (GMT +8)
A magnitude 4.2 earthquake near Naga City, Camarines Sur, Bicol, Philippines, was reported only 24 minutes ago by the Philippine Institute of Volcanology and Seismology (PHIVOLCS), considered the main national agency that monitors seismic activity in this part of the world. The earthquake occurred at a very shallow depth of 4 km beneath the epicenter early evening on Sunday, October 17th, 2021, at 6:51 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 4.2 earthquake as well.
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 Naga City (pop. 174,900) located 2 km from the epicenter, Magarao (pop. 15,200) 6 km away, and Calabanga (pop. 26,800) 11 km away, the quake should have been felt as light shaking.
Weak shaking might have been felt in Nabua (pop. 25,700) located 29 km from the epicenter, Iriga City (pop. 94,800) 30 km away, Buhi (pop. 30,100) 40 km away, and Libon (pop. 68,800) 43 km away.
Other towns or cities near the epicenter where the quake might have been felt as very weak shaking include Polangui (pop. 77,100) located 47 km from the epicenter, and Legazpi (pop. 179,500) 78 km away.
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Earthquake data

Fecha & hora: 17 Oct 2021 10:51:00 UTC -
Hora local al epicentro: domingo, 17 oct 2021 18:51 (GMT +8)
Magnitud: 4.2
Prof.: 6.0 km
Epicentro latitud / longitud: 13.66°N / 123.17°E (Province of Camarines Sur, Bicol, Filipinas)
Antipode: 13.66°S / 56.83°W
Volcán mas cercano: Isarog (15 km / 9 mi)
Nearby towns and cities:
2 km al O de Magarao (Camarines Sur) (pop: 15,200) --> ¡Vea sismos cercanos!
5 km al NNO de Naga City (pop: 174,900) --> ¡Vea sismos cercanos!
7 km al SO de Calabanga (Camarines Sur) (pop: 26,800) --> ¡Vea sismos cercanos!
13 km al SE de Pandan (Lalawigan ng Camarines Sur) (pop: 2,330) --> ¡Vea sismos cercanos!
35 km al O de Goa (Camarines Sur) (pop: 20,900) --> ¡Vea sismos cercanos!
36 km al NO de Nabua (pop: 25,700) --> ¡Vea sismos cercanos!
36 km al NO de Iriga City (pop: 94,800) --> ¡Vea sismos cercanos!
49 km al NO de Libon (pop: 68,800) --> ¡Vea sismos cercanos!
85 km al NO de Legazpi (pop: 179,500) --> ¡Vea sismos cercanos!
258 km al ESE de Manila (National Capital Region) (pop: 1,600,000) --> ¡Vea sismos cercanos!
Weather at epicenter at time of quake:
Overcast Clouds 25.8°C (78 F), humidity: 91%, wind: 2 m/s (4 kts) from ENE
Fuente primaria de datos: PHIVOLCS (Philippine Institute of Volcanology and Seismology)
Energía liberada estimada: 1.3 x 1011 joules (35 MWh, equivalente a 30.1 toneladas de TNT) Más 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.
RevistaProf.UbicaciónFuente
4.26 kmPhilippines: 002 Km N 10° W of Canaman (Camarines Sur)PHIVOLCS
4.24 kmLUZON, PHILIPPINESEMSC

User reports for this quake (46)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Pili (12.3 km SSE of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 5-10 s : Felt dizzy and scared | 2 users found this interesting.  
Naga City, Camarines Sur, Bicol (6.6 km SSE of epicenter) [Map] / Moderate shaking (MMI V) / very short : Scary and i felt the incedent sink in my mind..cant sleep,everytime i close my eyes feeling my room anytime will shake  
Naga City Camarines sur (3.2 km SE of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 2-5 s : Im in the building at that time and i feel its like shaking the building like crazy im at the 3rd floor of the builing  
Naga City (9.3 km SE of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 2-5 s : Medium jolt that last 2-5 seconds. No fallen objects. | One user found this interesting.  
Gainza, Camarines Sur, Bicol (6.1 km WSW of epicenter) [Map] / Moderate shaking (MMI V) / horizontal (sideways) swinging / 5-10 s : Our tv nearly fell and the lights are shaking intensly | One user found this interesting.  
Bombon shaking 2 -5 sec (3.9 km ENE of epicenter) [Map] / Light shaking (MMI IV) : This is becoming the norm here for three days on and off shaking This one was not so bad | One user found this interesting.  
Magarao, Camarines Sur, Bicol (2.8 km SE of epicenter) [Map] / Moderate shaking (MMI V) / vertical swinging (up and down) / 1-2 s : Heavy shaking | One user found this interesting. (reported through our app)  
Calauag naga city / Weak shaking (MMI III) / 2-5 s : We heard a sound like rambling or explotion then followed by shaking movement for aroung 5 to 10 seconds.  
Aretas Baesa / Strong shaking (MMI VI) / rattling, vibrating / 1-2 s : Sudden rattling/shaking, sliding door screen in the other room fell down and some things in the kitchen fell down, as well.  
DAET / Very weak shaking (MMI II) / 1-2 s : I feel that my table is shaking but very very weak that my relatives in the house didn't felt it. But I felt it because I was just sitting in the dining table.  
Naga city / Light shaking (MMI IV) / rattling, vibrating : Nervous | One user found this interesting.  
Canaman Camarines Sur / Light shaking (MMI IV) / 2-5 s : I was alarmed. | One user found this interesting.  
Naga City (4.7 km SE of epicenter) [Map] / Moderate shaking (MMI V) / horizontal (sideways) swinging / 5-10 s : alarmed  
Pili, Camarines Sur (14.8 km ESE of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 2-5 s
Bolo, Camarines Sur (24.1 km WNW of epicenter) [Map] / Light shaking (MMI IV) / horizontal (sideways) swinging / 2-5 s
Antipolo, Camarines Sur, Bicol (16 km S of epicenter) [Map] / Weak shaking (MMI III) / rattling, vibrating / 2-5 s
Pacol Naga City (9.8 km E of epicenter) [Map] / Light shaking (MMI IV)
Canaman (3.1 km SW of epicenter) [Map] / Light shaking (MMI IV) / 2-5 s
Magarao, Camarines Sur, Bicol (3 km SE of epicenter) [Map] / Moderate shaking (MMI V) / rattling, vibrating / 5-10 s (reported through our app)
Causip, Province of Camarines Sur, Bicol (22.5 km SE of epicenter) [Map] / Very weak shaking (MMI II) / 1-2 s (reported through our app)
Canaman, Bicol (2.5 km S of epicenter) [Map] / Weak shaking (MMI III) / rattling, vibrating / 2-5 s
Naga City (9.3 km SE of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 2-5 s : Medium jolt that last 2-5 seconds. No fallen objects.  
Pasacao (22.5 km SW of epicenter) [Map] / Weak shaking (MMI III) : Very light swaying from side to side for about 15 seconds. (reported through our app)  
Labo, Camarines Norte (64.1 km NW of epicenter) [Map] / Very weak shaking (MMI II) / 2-5 s
Mambulo, Province of Camarines Sur, Bicol (12.7 km WNW of epicenter) [Map] / Moderate shaking (MMI V) / horizontal (sideways) swinging / 10-15 s : theres a rumbling underneath our house and it shakes sideways  
Pili camarines sur (15.5 km SE of epicenter) [Map] / Light shaking (MMI IV) / single lateral shake / very short : I was inside the house sitting when suddenly I Felt like an elephant is shaking the house.i  
Palestina, Camarines Sur, Bicol (10.6 km E of epicenter) [Map] / Light shaking (MMI IV) (reported through our app)
Naga City, Camarines Sur, Philippines (3.3 km SE of epicenter) [Map] / Weak shaking (MMI III) / horizontal (sideways) swinging / 2-5 s (reported through our app)
Palestina, Camarines Sur, Bicol (10 km ESE of epicenter) [Map] / Weak shaking (MMI III) : Minor lateral movement  
Pili / Light shaking (MMI IV)
Canaman (3.1 km SW of epicenter) [Map] / Light shaking (MMI IV) / 2-5 s
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