Weak mag. 3.3 earthquake - Chiba, 40 km east of Tokyo, Japan, on Sunday, Jan 23, 2022 at 12:05 am (GMT +9) -


Weak magnitude 3.3 earthquake at 70 km depth
22 Jan 15:13 UTC: First to report: NIED after 8 minutes.
Local time at epicenter: Sunday, Jan 23, 2022 at 12:05 am (GMT +9)
Magnitude: 3.3
Depth: 70.2 km
Epicenter latitude / longitude: 35.624°N / 140.123°E

Antipode: 35.624°S / 39.877°W
Nearest volcano: Hakone (109 km / 68 mi)
Nearby towns and cities:
3 km (2 mi) NNE of Chiba (pop: 919,700) --> See nearby quakes!
40 km (25 mi) E of Tokyo (pop: 8,336,600) --> See nearby quakes!
Weather at epicenter at time of quake:
Broken Clouds
4.9°C (41 F), humidity: 32%, wind: 1 m/s (1 kts) from N
Primary data source: NIED (National Research Institute for Earth Science and Disaster Resilience)
Broken Clouds

Estimated released energy: 5.6 x 109 joules (1.56 megawatt hours, equivalent to 1.34 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 |
3.3 | 70 km | Japan: CENTRAL CHIBA PREF | NIED |
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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