Weak mag. 3.6 earthquake - North Pacific Ocean, 83 km northeast of Iwaki, Fukushima, Japan, on Saturday, 13 Feb 2021 11:45 pm (GMT +9) -
This quake was likely an aftershock of the 7.1 quake North Pacific Ocean, 88 km southeast of Sendai, Miyagi, Japan, 13 Feb 2021 11:07 pm (GMT +9), which had occurred 38 minutes earlier.
Quake Data | Interactive map | User Reports | Earlier quakes in same area | Quakes in Japan| Fukushima | Miyagi | Saitama | Tokyo

Weak magnitude 3.6 earthquake at 47 km depth
13 Feb 14:53 UTC: First to report: NIED after 8 minutes.
Date & time: 13 Feb 2021 14:45:24 UTC -
Local time at epicenter: Saturday, 13 Feb 2021 11:45 pm (GMT +9)
Magnitude: 3.6
Depth: 47.1 km
Epicenter latitude / longitude: 37.557°N / 141.578°E

Nearest volcano: Adatara (114 km / 71 mi)
Nearby towns and cities:
52 km (32 mi) E of Namie (Futaba-gun) (pop: 21,900) --> See nearby quakes!
83 km (52 mi) SE of Watari (pop: 36,300) --> See nearby quakes!
83 km (52 mi) NE of Iwaki (pop: 357,300) --> See nearby quakes!
85 km (53 mi) ESE of Kakuda (pop: 33,200) --> See nearby quakes!
88 km (55 mi) SE of Iwanuma (pop: 42,400) --> See nearby quakes!
97 km (60 mi) SSE of Shiogama (pop: 59,500) --> See nearby quakes!
98 km (61 mi) ESE of Shiroishi (pop: 39,500) --> See nearby quakes!
99 km (61 mi) SSE of Ishinomaki (pop: 117,200) --> See nearby quakes!
251 km (156 mi) NE of Saitama (pop: 1,193,400) --> See nearby quakes!
267 km (166 mi) NE of Tokyo (pop: 8,336,600) --> See nearby quakes!
Weather at epicenter at time of quake:
Clear Sky
10°C (50 F), humidity: 59%, wind: 6 m/s (12 kts) from SW
Primary data source: NIED (National Research Institute for Earth Science and Disaster Resilience)Clear Sky

Estimated released energy: 1.6 x 1010 joules (4.4 megawatt hours, equivalent to 3.79 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 |
3.6 | 47 km | E OFF FUKUSHIMA PREF, Japan | NIED |
3.7 | 40 km | NEAR EAST COAST OF HONSHU, JAPAN | EMSC |
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
be the first to report it!
There are no user reports for this quake yet. If you felt it Earlier earthquakes in the same area
Click here to search our database for earlier earthquakes in the same area since 1900!