Moderate mag. 4.8 earthquake - 83 km south of Malang, Jawa Timur, Indonesia, on Wednesday, 28 Oct 2020 1:49 pm (GMT +7) -
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Moderate magnitude 4.8 earthquake at 43 km depth
28 Oct 07:05 UTC: First to report: BMKG after 16 minutes.
28 Oct 07:10: Hypocenter depth recalculated from 45.0 to 43.0 km (from 28 to 27 mi). Epicenter location corrected by 1.1 km (0.7 mi) towards S.
1 Nov 10:00: Now using data updates from BMKG
28 Oct 07:10: Hypocenter depth recalculated from 45.0 to 43.0 km (from 28 to 27 mi). Epicenter location corrected by 1.1 km (0.7 mi) towards S.
1 Nov 10:00: Now using data updates from BMKG
Update Wed, 28 Oct 2020, 07:37
Light magnitude 4.8 earthquake 165 km southwest of Surabaya, Indonesia4.8 quake: 83 Km SSW of Malang, Indonesia, 28 Oct 2020 06:49
An earthquake of magnitude 4.8 occurred around noon on Wednesday 28 October at 1.49 pm local time near the town of Sumberpucung, Indonesia, as reported by Indonesia's Meteorology, Climatology, and Geophysical Agency (BMKG). According to preliminary data, the quake was located at an intermediate depth of 43 km. Magnitude and other quake parameters can still change in the coming hours as the agency continues to process seismic data.
Based on the preliminary seismic data, the quake should not have caused any significant damage, but was probably felt by many people as light vibration in the area of the epicenter.
Towns or cities near the epicenter that are likely to be affected include Sumberpucung (pop. 35,300) at a distance of 60 km with weak shaking, Gongdanglegi Kulon (pop. 22,500) at a distance of 64 km with weak shaking, Malang (pop. 746,700) at a distance of 83 km with weak shaking, and Surabaya (pop. 2,374,700) at a distance of 165 km with very weak shaking.
This story will be updated soon by VolcanoDiscovery. If you’re in the area, please send us your experience through our reporting mechanism. This will help us provide more first-hand updates to anyone around the globe who wants to know more about this quake.
Based on the preliminary seismic data, the quake should not have caused any significant damage, but was probably felt by many people as light vibration in the area of the epicenter.
Towns or cities near the epicenter that are likely to be affected include Sumberpucung (pop. 35,300) at a distance of 60 km with weak shaking, Gongdanglegi Kulon (pop. 22,500) at a distance of 64 km with weak shaking, Malang (pop. 746,700) at a distance of 83 km with weak shaking, and Surabaya (pop. 2,374,700) at a distance of 165 km with very weak shaking.
This story will be updated soon by VolcanoDiscovery. If you’re in the area, please send us your experience through our reporting mechanism. This will help us provide more first-hand updates to anyone around the globe who wants to know more about this quake.
Earthquake data:
Date & time: 28 Oct 2020 06:49:16 UTC -
Local time at epicenter: Wednesday, 28 Oct 2020 1:49 pm (GMT +7)
Magnitude: 4.8
Depth: 43.0 km
Epicenter latitude / longitude: 8.68°S / 112.36°E
(Indian Ocean, Indonesia)Nearest volcano: Malang Plain (81 km / 50 mi)
Nearby towns and cities:
60 km (37 mi) SSW of Sumberpucung (pop: 35,300) --> See nearby quakes!
65 km (41 mi) SSW of Kepanjen (pop: 51,900) --> See nearby quakes!
68 km (42 mi) SSE of Blitar (pop: 132,400) --> See nearby quakes!
83 km (52 mi) SSW of Malang (pop: 746,700) --> See nearby quakes!
84 km (52 mi) SE of Kedungwaru (pop: 80,300) --> See nearby quakes!
85 km (53 mi) SE of Tulungagung (pop: 65,300) --> See nearby quakes!
92 km (57 mi) S of Batu (pop: 75,600) --> See nearby quakes!
94 km (58 mi) SSW of Singosari (pop: 57,800) --> See nearby quakes!
165 km (102 mi) SSW of Surabaya (pop: 2,374,700) --> See nearby quakes!
667 km (415 mi) ESE of Jakarta (pop: 8,540,100) --> See nearby quakes!
215 km (134 mi) SSW of Madura Island (pop: 3,622,000) --> See nearby quakes!
Primary data source: BMKG (Meteorological, Climatological, and Geophysical Agency of Indonesia)
Estimated released energy: 1 x 1012 joules (278 megawatt hours, equivalent to 239 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 4.8 | 43 km | 83 Km SSW of Malang, Indonesia | BMKG |
| M 4.8 | 43 km | 83 Km SSW of Malang, Indonesia | BMKG |
User reports for this quake (2)
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
159.6 km NNE of epicenter [Map] / not felt (reported through our app)
88.7 km N of epicenter [Map] / Light shaking (MMI IV)
Earlier earthquakes in the same area
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