Minor mag. 3.3 earthquake - Kamimashiki-gun, 34 km south of Aso, Kumamoto, Japan, on Apr 23, 2021 22:46:59.76 -
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Minor magnitude 3.3 earthquake at 138 km depth
23 Apr 13:55 UTC: First to report: NIED after 8 minutes.
Local time at epicenter: Apr 23, 2021 22:46:59.76
Depth: 137.8 km
Epicenter latitude / longitude: 32.65°N / 131.19°E (Kamimashiki-gun, Kumamoto, Japan)
Nearest volcano: Aso (27 km / 17 mi)
Nearby towns and cities:
34 km (21 mi) SSE of Aso (pop: 28,000) --> See nearby quakes!
39 km (24 mi) SE of Ōzu (Kikuchi District) (pop: 29,800) --> See nearby quakes!
45 km (28 mi) W of Nobeoka (Miyazaki) (pop: 121,900) --> See nearby quakes!
49 km (30 mi) E of Matsubase (Uki) (pop: 26,200) --> See nearby quakes!
49 km (31 mi) E of Uto (pop: 39,200) --> See nearby quakes!
50 km (31 mi) ESE of Kumamoto (pop: 680,400) --> See nearby quakes!
54 km (34 mi) ESE of Uekimachi-mōno (Kumamoto) (pop: 31,700) --> See nearby quakes!
58 km (36 mi) ENE of Honmachi (pop: 104,300) --> See nearby quakes!
128 km (79 mi) SE of Fukuoka (pop: 1,392,300) --> See nearby quakes!
852 km (529 mi) WSW 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: 5.6 x 109 joules (1.56 megawatt hours, equivalent to 1.34 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.
|3.3||138 km||NORTHERN MIYAZAKI PREF, Japan||NIED|
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.