Information about the earthquake: mag of light. 4.3 earthquake

Light 4.3 magnitude earthquake at a depth of 79 km

23 Sep 02:15 UTC: First to report: BMKG after 8 minutes.

Updated Thu 23 Sep 2021, 02:21

Moderate magnitude earthquake 4.3 to 84 km south of Bima, Indonesia

4.3 earthquake 23 September 10:07 (GMT +8)

4.3 earthquake 23 September 10:07 (GMT +8)

Just 14 minutes ago, a 4.3 magnitude earthquake struck near Bima, in the town of Bima, in western Nusa Tenggara, Indonesia. The tremor was recorded on the morning of Thursday, September 23, 2021, at 10:07 a.m. local time, at an intermediate depth of 79 km below the surface.
The event was recorded by the Indonesian Meteorological, Climatological and Geophysical Agency, the first seismological agency to report it.
Our monitoring service identified a second report from the Euro-Mediterranean Seismological Center (EMSC) which also listed the 4.3 magnitude earthquake.
Cities near the epicenter where the earthquake could have been felt as very weak tremors include Dompu (pop. 49,000) located 78 km from the epicenter and Bima (pop. 67,000) at 84 km.
VolcanoDiscovery will automatically update the magnitude and depth if these change and follow up if other significant earthquake news becomes available. If you are in the region, please share your experience with us through our reporting mechanism, online or through our mobile app. This will help us provide more first-hand updates to anyone in the world who is interested in learning more about this earthquake.

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Earthquake data

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Date and hour : 23 Sep 2021 02:07:25 UTC –
Local time at epicenter: Thursday 23 Sep 2021 10:07 am (GMT +8)
Magnitude: 4.3
Depth: 79.0 km

Latitude / longitude of epicenter: 9.21 ° S / 118.66 ° E↗ (Indian Ocean, Indonesia)
Antipode: 9.21 ° N / 61.34 ° W↗
Nearest volcano: Gilbanta (114 km / 71 mi)

Nearby towns and villages:
78 km (48 mi) to SSE of Subdued (pop: 49,000) -> See nearby earthquakes!
84 km (52 ​​mi) south of Bima (pop: 67,000) -> See nearby earthquakes!
157 km (97 mi) OSO of Labuan Bajo (pop: 188,700) -> Observe the earthquakes nearby!
158 km (98 mi) ESE of Sumbawa Besar (pop: 52,700) -> Observe the earthquakes nearby!
183 km (114 mi) to WNW of Waingapu (pop: 48,800) -> Observe the earthquakes nearby!
209 km (130 mi) OSO of Ruteng (Kabupaten Manggarai) (pop: 34,600) -> Observe the earthquakes nearby!
268 km (167 mi) ESE of Praya (Kabupaten Lombok Tengah) (pop: 35,200) -> Observe the earthquakes nearby!
288 km (179 mi) ESE of matalam (pop: 318,700) -> See nearby earthquakes!
383 km (238 mi) east of Denpasar (pop: 834 900) -> Observe the earthquakes nearby!
460 km (286 mi) south of Macassar (pop: 1,321,700) -> See earthquakes nearby!
89 km (55 mi) southeast of Pulau Sumbawa Island (pop: 1,391,300) -> See nearby earthquakes!
153 km (95 mi) to WNW of Pulau Sumba Island (pop: 686,100) -> Observe the earthquakes nearby!

Weather at the epicenter at the time of the earthquake:
Clouds covered 26.8 ° C (80 F), humidity: 74%, wind: 4 m / s (8 kts) from E

Main data source: BMKG (Meteorological, Climatological and Geophysical Agency of Indonesia)

Estimated energy released: 1.8 x 1011 joules (49.4 megawatt hours, equivalent to 42.5 tonnes of TNT) Find out more

If you felt this tremor (or if you were near the epicenter), share your experience and submit a short “I felt it” report! Other users would love to hear about it!
If you did NOT feel the earthquake although you are in the area, please report it! Your contribution is valuable to earthquake science, seismic risk analysis and mitigation efforts. You can use your device’s location or the map to show where you were during the earthquake. Thank you!

Data for the same earthquake reported by different agencies

Info: The more agencies report the same earthquake and publish similar data, the more confidence you can have in the data. It normally takes up to a few hours for the seismic parameters to be calculated with near optimum accuracy.

Mag. Depth Site Source
4.3 79 km Sumbawa region, Indonesia BMKG
4.3 79 km SUMBAWA REGION, INDONESIA EMSC

Previous earthquakes in the same region

Click here to search our database for previous earthquakes in the same area since 1900!


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