Weak mag. 2.8 earthquake - 13 km northeast of Honmachi, Yatsushiro Shi, Prefectura de Kumamoto, Japan, on Monday, Dec 6, 2021 at 5:53 am (GMT +9) -
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Weak magnitude 2.8 earthquake at 10 km depth
5 Dec 20:59 UTC: First to report: NIED after 6 minutes.
Local time at epicenter: Monday, Dec 6, 2021 at 5:53 am (GMT +9)
Magnitude: 2.8
Depth: 10.3 km
Epicenter latitude / longitude: 32.576°N / 130.707°E

Antipode: 32.576°S / 49.293°W
Nearest volcano: Unzen (44 km / 27 mi)
Nearby towns and cities:
9 km (6 mi) SSE of Matsubase (Uki, Kumamoto) (pop: 26,200) --> See nearby quakes!
13 km (8 mi) SSE of Uto (Kumamoto) (pop: 39,200) --> See nearby quakes!
13 km (8 mi) NE of Honmachi (Kumamoto) (pop: 104,300) --> See nearby quakes!
26 km (16 mi) S of Kumamoto (pop: 680,400) --> See nearby quakes!
36 km (22 mi) S of Uekimachi-mōno (Kumamoto) (pop: 31,700) --> See nearby quakes!
37 km (23 mi) SSW of Ōzu (Kikuchi District, Kumamoto) (pop: 29,800) --> See nearby quakes!
39 km (24 mi) SE of Shimabara (Nagasaki) (pop: 38,100) --> See nearby quakes!
40 km (25 mi) N of Hitoyoshi (Kumamoto) (pop: 38,000) --> See nearby quakes!
49 km (30 mi) S of Yamaga (Kumamoto) (pop: 32,300) --> See nearby quakes!
896 km (557 mi) WSW of Tokyo (pop: 8,336,600) --> See nearby quakes!
Weather at epicenter at time of quake:
Overcast Clouds
6.6°C (44 F), humidity: 72%, wind: 2 m/s (3 kts) from ESE
Primary data source: NIED (National Research Institute for Earth Science and Disaster Resilience)
Overcast Clouds

Estimated released energy: 1 x 109 joules (278 kilowatt hours, equivalent to 0.239 tons of TNT) | about seismic energy
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.
Mag. | Depth | Location | Source |
2.8 | 10.3 km | Japan: SOUTHERN KUMAMOTO PREF | NIED |
User reports for this quake
At 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.
Earlier earthquakes in the same area
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