Moderate mag. 4.2 earthquake - 173 km south of Malang, Jawa Timur, Indonesia, on Tuesday, 6 October 2020 at 14:26 (GMT) -
This quake was likely an aftershock of the 5.0 quake Indian Ocean, 160 km south of Lumajang, East Java, Indonesia, 6 October 2020 13:52 GMT, which had occurred 33 minutes earlier.
Quake Data | Interactive map | User Reports | Earlier quakes in same area | Quakes in Indonesia| East Java | Jakarta

Moderate magnitude 4.2 earthquake at 10 km depth
6 Oct 14:31 UTC: First to report: EMSC after 5 minutes.
6 Oct 14:35: Now using data updates from BMKG
12 Oct 01:16: Now using data updates from BMKG
6 Oct 14:35: Now using data updates from BMKG
12 Oct 01:16: Now using data updates from BMKG
Date & time: 6 Oct 2020 14:26:01 UTC -
Magnitude: 4.2
Depth: 10.0 km
Epicenter latitude / longitude: 9.52°S / 112.85°E

Nearest volcano: Semeru (148 km / 92 mi)
Nearby towns and cities:
146 km (91 mi) S of Dampit (pop: 23,100) --> See nearby quakes!
158 km (98 mi) SSE of Kepanjen (pop: 51,900) --> See nearby quakes!
160 km (99 mi) SSW of Lumajang (pop: 123,600) --> See nearby quakes!
173 km (108 mi) S of Malang (pop: 746,700) --> See nearby quakes!
175 km (109 mi) SSE of Blitar (pop: 132,400) --> See nearby quakes!
177 km (110 mi) SSW of Jember (pop: 298,600) --> See nearby quakes!
188 km (117 mi) S of Lawang (pop: 159,400) --> See nearby quakes!
200 km (125 mi) S of Probolinggo (pop: 181,700) --> See nearby quakes!
253 km (157 mi) S of Surabaya (pop: 2,374,700) --> See nearby quakes!
757 km (470 mi) ESE of Jakarta (pop: 8,540,100) --> See nearby quakes!
Weather at epicenter at time of quake:
Few Clouds
25.8°C (79 F), humidity: 75%, wind: 8 m/s (15 kts) from SE
Primary data source: BMKG (Meteorological, Climatological, and Geophysical Agency of Indonesia)Few Clouds

Estimated released energy: 1.3 x 1011 joules (35 megawatt hours, equivalent to 30.1 tons of TNT) More info
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.
Magnitude | Depth | Location | Source |
M 4.2 | 10 km | South of Java, Indonesia | BMKG |
M 4.2 | 10 km | South of Java, Indonesia | BMKG |
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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There are no user reports for this quake yet. If you felt it Earlier earthquakes in the same area since 1900
- Date / time UTC| Mag |Depth|Age|Distance| Details
- 02 Jun 1994 18:17| 7.8 |18.4km / 11.4mi|27 years ago|106km / 66mi| Indian Ocean, 264 km S of Lumajang, East Java, Indonesia
- 10 Sep 1926 10:34| 7.1 |35km / 22mi|95 years ago|248km / 154mi| Indian Ocean, 145 km S of Sewon, Yogyakarta, Indonesia
- 03 Jun 1994 21:06| 6.6 |26km / 16mi|27 years ago|94km / 58mi| Indian Ocean, 251 km S of Lumajang, East Java, Indonesia
- 19 Feb 1967 22:14| 6.3 |80km / 50mi|54 years ago|64km / 40mi| Indian Ocean, 65 km SW of Nusa Barung Island, East Java, Indonesia
- 15 Jun 1994 09:22| 6.2 |19.9km / 12.4mi|27 years ago|127km / 79mi| Indian Ocean, 241 km S of Jember, East Java, Indonesia
- 21 Dec 1962 00:44| 6.2 |55km / 34mi|58 years ago|69km / 43mi| Indian Ocean, 120 km S of Blitar, East Java, Indonesia
- 15 Jun 1994 10:28| 6.1 |29km / 18mi|27 years ago|122km / 76mi| Indian Ocean, 222 km S of Jember, East Java, Indonesia
- 05 Jun 1994 01:45| 6.1 |26km / 16mi|27 years ago|110km / 68mi| Indian Ocean, 244 km S of Jember, East Java, Indonesia
- 22 Dec 1962 01:59| 6.1 |40km / 25mi|58 years ago|66km / 41mi| Indian Ocean, 133 km S of Blitar, East Java, Indonesia
- 22 Nov 1958 00:04| 6.0 |20km / 12.4mi|62 years ago|127km / 79mi| Indian Ocean, 285 km S of Blitar, East Java, Indonesia
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