Information on the earthquake: moderate mag. Earthquake 4.8 – Indian Ocean, 151 km south of Lumajang, East Java, Indonesia, on Saturday, September 4, 2021 at 3:29 p.m. (GMT +8)

Updated: Sep 4, 2021 10:23 GMT – Refresh

Moderate magnitude earthquake 4.8 to 10 km deep

4 Sep 07:35 UTC: First to report: BMKG after 6 minutes.
Sep 4, 7:45 AM: Magnitude recalculated from 4.7 to 4.8. Epicenter location corrected 4.4 km (2.7 mi) towards E.
Sep 4, 7:50 AM: Epicenter location corrected 5 km (3.1 mi) towards NNE.

I felt this tremor

I didn’t feel it

Date and Time: Sep 4, 2021 07:29:00 UTC –
Local time at epicenter: Saturday Sep 4, 2021 3:29 PM (GMT +8)
Magnitude: 4.8

Depth: 10.0 km
Latitude / longitude of epicenter: 9.48 ° S / 113.04 ° E↗ (Indian Ocean, Indonesia)
Antipode: 9.48 ° N / 66.96 ° W↗
Nearest volcano: Semeru (157 km / 98 mi)

Nearby towns and villages:
138 km (86 mi) SSO of Kencong (pop: 43,000) -> Observe the earthquakes nearby!
151 km (94 mi) south of Lumajang (pop: 123,600) -> See nearby earthquakes!
163 km (101 mi) SSO of Jember (pop: 298,600) -> Observe the earthquakes nearby!
173 km (107 mi) to SSE of Malang (pop: 746,700) -> See nearby earthquakes!
174 km (108 mi) southwest of Genteng (pop: 79,700) -> See nearby earthquakes!
181 km (113 mi) to SSE of Blitar (pop: 132,400) -> See nearby earthquakes!
187 km (116 mi) to SSE of Lawang (pop: 159,400) -> Observe the earthquakes nearby!
193 km (120 mi) south of Probolinggo (pop: 181,700) -> Observe the earthquakes nearby!
250 km (155 mi) south of Surabaya (pop: 2,374,700) -> See nearby earthquakes!
773 km (480 mi) ESE of Jakarta (pop: 8,540,100) -> Watch the earthquakes nearby!
250 km (156 mi) WW of Bali island (pop: 4,225,400) -> See nearby earthquakes!

Weather at the epicenter at the time of the earthquake:
Clouds covered

25.5 ° C (78 F), humidity: 73%, wind: 7 m / s (13 kts) from ESS

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

Estimated energy released: 1×10¹² joules (278 megawatt hours, equivalent to 239 tonnes of TNT) Find out more

[show map]

[smaller] [bigger]

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
4.8	10 km	South Java, Indonesia	BMKG
4.9	60 km	SOUTH OF JAVA, INDONESIA	EMSC
4.9	48km	127 km SSO of Kencong, Indonesia	USGS
4.8	63 km	South Java, Indonesia	GFZ

User reports for this earthquake (1)

To contribute:
Leave a comment if you find a particular report interesting or if you want to enrich it.
Flag as inappropriate.
Mark as useful or interesting.
Submit your own user report!

Sewon Yogyakarta (344.4 km WNW from epicenter) [Map] / Slight shaking (MMI IV) / 2-5 s (reported via our app)

Try our free app!