Terremoto moderato mag. 4.3 - Ceram Sea, 76 km a nord da Amahai, Maluku, Indonesia, domenica, 24 ott 2021 10:30 (GMT +9) -
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Terremoto moderato magnitudine 4.3 a 10 km di profondità
24 Oct 01:35 UTC: Primo a segnalare: BMKG dopo 5 minuti.
24 Oct 01:40: Magnitudine ricalcolata da 4.2 a 4.3. Posizione dell'epicentro corretta di 2.2 km (1.4 mi) al S.
24 Oct 01:40: Magnitudine ricalcolata da 4.2 a 4.3. Posizione dell'epicentro corretta di 2.2 km (1.4 mi) al S.
Update Sun, 24 Oct 2021, 01:39
Magnitude 4.2 earthquake strikes near Amahai, Maluku, Indonesia4.2 quake 24 Oct 10:30 am (GMT +9)
Just 9 minutes ago, a 4.2-magnitude earthquake struck near Amahai, Maluku, Indonesia. The tremor was recorded in the morning on Sunday, October 24th, 2021, at 10:30 am local time, at a shallow depth of 10 km below the surface.
The event was filed by Indonesia's Meteorology, Climatology, and Geophysical Agency, the first seismological agency to report it.
A second report was later issued by the European-Mediterranean Seismological Centre (EMSC), which listed it as a magnitude 4.2 earthquake as well.
Towns or cities near the epicenter where the quake might have been felt as very weak shaking include Amahai (pop. 47,700) located 78 km from the epicenter.
The event was filed by Indonesia's Meteorology, Climatology, and Geophysical Agency, the first seismological agency to report it.
A second report was later issued by the European-Mediterranean Seismological Centre (EMSC), which listed it as a magnitude 4.2 earthquake as well.
Towns or cities near the epicenter where the quake might have been felt as very weak shaking include Amahai (pop. 47,700) located 78 km from the epicenter.
Earthquake data
Ora locale a epicentro: domenica, 24 ott 2021 10:30 (GMT +9)
Magnitudine: 4.3
Prof.: 10.0 km
Epicentro latitudine / longitudine: 2.66°S / 128.86°E

Antipode: 2.66°N / 51.14°W
Vulcano più vicino: Banda Api (236 km / 147 mi)
Nearby towns and cities:
76 km N da Amahai (pop: 47,700) --> Vedi sismi vicini
138 km NNE da Ambon City (pop: 355,600) --> Vedi sismi vicini
332 km SO da Sorong (pop: 125,500) --> Vedi sismi vicini
131 km NE da Ambon Island (pop: 501,400) --> Vedi sismi vicini
Weather at epicenter at time of quake:
Overcast Clouds
27.8°C (82 F), humidity: 72%, wind: 3 m/s (5 kts) from ENE
Fonte dati primaria: BMKG (Meteorological, Climatological, and Geophysical Agency of Indonesia)
Overcast Clouds

Stima dell'energia sismica liberata: 1.8 x 1011 joules (49.4 MWh, equivalent to 42.5 tons of TNT) | about seismic energy
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. | Ubicazione | Fonte |
4.3 | 10 km | Indonesia: Ceram Sea | BMKG |
4.2 | 10 km | CERAM SEA, INDONESIA | EMSC |
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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