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Light mag. 4.2 earthquake - Banda Sea, Indonesia, 275 km northeast of Lospalos, Timor-Leste, on Friday, Mar 17, 2023 at 11:15 pm (GMT +9) -

This quake was likely an aftershock of the 7.9 quake Banda Sea, Indonesia, Jan 10, 2023 3:17 am (GMT +9:30), which had occurred 10 weeks earlier.

Light mag. 4.2 earthquake - Banda Sea, Indonesia, 275 km northeast of Lospalos, Timor-Leste, on Friday, Mar 17, 2023 at 11:15 pm (GMT +9)

Light magnitude 4.2 earthquake at 135 km depth

18 Mar 07:56 UTC: First to report: USGS after 18 hours.

Earthquake details

Date & time	Mar 17, 2023 14:15:21 UTC -
Local time at epicenter	Friday, Mar 17, 2023 at 11:15 pm (GMT +9)
Status	Confirmed
Magnitude	4.2
Depth	134.8 km
Epicenter latitude / longitude	7.3408°S / 129.1932°E (Banda Sea, Indonesia)
Antipode	7.341°N / 50.807°W
Shaking intensity	Very weak shaking
Felt	0 reports
Primary data source	USGS (United States Geological Survey)
Nearest volcano	Teon (47 km / 29 mi)
Nearby towns and cities	275 km (171 mi) ENE of Lospalos (Timor-Leste) (pop: 17,200) \| Show on map \| Quakes nearby 297 km (184 mi) ENE of Gunung Dilarini (Timor-Leste) (pop: 365) \| Show on map \| Quakes nearby
Weather at epicenter at time of quake
Estimated seismic energy released	1.3 x 10¹¹ joules (35 megawatt hours, equivalent to 30.1 tons of TNT) \| about seismic energy

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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.	Depth	Location	Source
4.2	135 km	Kepulauan Babar, Indonesia	USGS
4.2	135 km	Indonesia: Banda Sea	RaspberryShake

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Seismograms

Seismic station: Darwin High School (AUDHS/S1 network) | Distance from quake: 595 km / 370 mi | Show on map | Station Info

Seismic station Darwin High School: 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. Bandpass filter applied: 0.2-5.0 Hz. Source: IRIS Buffer of Uniform Data (BUD) webtool

User reports for this quake

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.

There are no user reports for this quake.

Earlier earthquakes in the same area

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