Minor mag. 2.8 earthquake - 12 km east of Jōetsu, Niigata, Japan, on Apr 30, 2021 18:17:52.94 -
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Minor magnitude 2.8 earthquake at 205 km depth
30 Apr 09:25 UTC: First to report: NIED after 7 minutes.
Local time at epicenter: Apr 30, 2021 18:17:52.94
Depth: 205.4 km
Epicenter latitude / longitude: 37.108°N / 138.368°E (Jōetsu Shi, Niigata, Japan)
Nearest volcano: Myoko (33 km / 21 mi)
Nearby towns and cities:
12 km (8 mi) ESE of Jōetsu (pop: 204,100) --> See nearby quakes!
17 km (11 mi) NE of Arai (Myoko) (pop: 27,500) --> See nearby quakes!
33 km (20 mi) SSW of Kashiwazaki (pop: 86,200) --> See nearby quakes!
35 km (22 mi) W of Tōkamachi (pop: 41,100) --> See nearby quakes!
44 km (27 mi) WSW of Ojiya (pop: 40,500) --> See nearby quakes!
47 km (29 mi) E of Itoigawa (pop: 30,900) --> See nearby quakes!
57 km (36 mi) SW of Nagaoka (pop: 195,300) --> See nearby quakes!
103 km (64 mi) SSW of Niigata (pop: 505,300) --> See nearby quakes!
176 km (110 mi) NW of Saitama (pop: 1,193,400) --> See nearby quakes!
197 km (123 mi) NW of Tokyo (pop: 8,336,600) --> See nearby quakes!
Primary data source: NIED (National Research Institute for Earth Science and Disaster Resilience)
Estimated released energy: 1 x 109 joules (278 kilowatt hours, equivalent to 0.239 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.
|2.8||205 km||SW NIIGATA PREF, Japan||NIED|
User reports for this quakeAt magnitude 2.8, this quake might have been felt very close to the epicenter and under calm conditions.
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.