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Strong mag. 6.2 earthquake - Off East Coast of Honshu, Japan on Friday, 20 February 2015

Strong mag. 6.3 earthquake - Off East Coast of Honshu, Japan, on Friday, 20 February 2015 at 04:25 (GMT)

This quake was likely an aftershock of the 6.7 quake Near East Coast of Honshu, Japan, 2015-02-16 23:06 UTC, which had occurred 3 days earlier.
Strong mag. 6.3 earthquake  - Off East Coast of Honshu, Japan, on Friday, 20 February 2015 at 04:25 (GMT)

Strong magnitude 6.3 earthquake at 16 km depth

20 Feb 04:32 UTC: First to report: GFZ after 7 minutes.
Feb 20 16:10: Magnitude recalculated from 6.2 to 6.3.
Date & time: 2015-02-20 04:25:25 UTC
Magnitude: 6.3
Depth: 16.0 km
Epicenter latitude / longitude: 39.89°N / 143.56°E (Japan)
Nearest volcano: Osore-yama (228 km / 142 mi)
Nearby towns and cities:
141 km (88 mi) NE of Miyako (pop: 51,700)
146 km (90 mi) NE of Yamada (pop: 20,100)
154 km (95 mi) NE of Ōtsuchi (pop: 16,500)
160 km (100 mi) NE of Kamaishi (pop: 43,100)
188 km (117 mi) SE of Hachinohe (pop: 239,000)
578 km (359 mi) NE of Tokyo (pop: 8,336,600)
Primary data source: GFZ
Estimated released energy: 1.8 x 1014 joules (49.4 gigawatt hours, equivalent to 42502 tons of TNT or 2.7 atomic bombs!) [learn more]
If you felt this quake (or if you were near the epicenter), please share your experience and submit a short "I felt it" report! Other users would love to hear about it!
Also if you did NOT feel the quake although you were in the area, please report it! Your contribution is valuable also to earthquake science and earthquake hazard analysis and mitigation efforts. You can use your device location or the map to indicate where you were during the earthquake. Thank you!

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.
TimeMag. / DepthLocationSource
2015-02-20 04:25:25 UTCM 6.3 / 16 kmOff East Coast of Honshu, JapanGFZ
2015-02-20 04:25:23 UTCM 6.3 / 10 kmOFF EAST COAST OF HONSHU, JAPANEMSC
2015-02-20 04:25:24 UTC
Friday, February 20, 2015 14:25:24
M 6.3 / 13.5 km140km E of Miyako, JapanUSGS
2015-02-20 04:25:24 UTCM 6.3 / 14 kmE of Miyako, JapanGeoAu

User reports for this quake (1)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Miyako (Japan, 143 km W of epicenter) : This is a Great Earthquake (reported through EMSC)

Aftershocks of the 6.3 quake Off East Coast of Honshu, Japan, 2015-02-20 04:25 UTC

More info
Recorded aftershocks, latest first (31 quakes):
  • 06 Aug 2015 09:33 UTC
    | M 4.7 |
    10 km (6.2 mi) depth
    |
    27 km (17 mi) distance
    | GFZ | Details
  • 02 Aug 2015 13:22 UTC
    | M 4.5 |
    40 km (24.9 mi) depth
    |
    81 km (50 mi) distance
    | EMSC | Details
  • 22 Jul 2015 08:13 UTC
    | M 4.5 |
    15 km (9.3 mi) depth
    |
    18 km (11 mi) distance
    | EMSC | Details
  • 11 Jun 2015 05:30 UTC
    | M 4.9 |
    10 km (6.2 mi) depth
    |
    37 km (23 mi) distance
    | GFZ | Details
  • 11 Jun 2015 04:56 UTC
    | M 5.2 |
    10 km (6.2 mi) depth
    |
    39 km (24 mi) distance
    | GFZ | Details
  • 11 Jun 2015 04:51 UTC
    | M 5.5 |
    10 km (6.2 mi) depth
    |
    36 km (22 mi) distance
    | GFZ | Details
  • 11 Jun 2015 04:45 UTC
    | M 5.5 |
    10 km (6.2 mi) depth
    |
    30 km (19 mi) distance
    | GFZ | Details
  • 10 Jun 2015 08:44 UTC
    | M 4.8 |
    12 km (7.5 mi) depth
    |
    58 km (36 mi) distance
    | GFZ | Details
  • 10 Jun 2015 08:33 UTC
    | M 5.6 |
    10 km (6.2 mi) depth
    |
    28 km (17 mi) distance
    | GFZ | Details
  • 01 Jun 2015 15:51 UTC
    | M 4.6 |
    30.8 km (19.1 mi) depth
    |
    26 km (16 mi) distance
    | USGS | Details
  • 04 May 2015 17:04 UTC
    | M 4.1 |
    46 km (28.6 mi) depth
    |
    42 km (26 mi) distance
    | EMSC | Details
  • 29 Apr 2015 16:09 UTC
    | M 5.3 |
    39 km (24.2 mi) depth
    |
    66 km (41 mi) distance
    | GFZ | Details
  • 15 Apr 2015 19:54 UTC
    | M 5.0 |
    2 km (1.2 mi) depth
    |
    59 km (37 mi) distance
    | EMSC | Details
  • 13 Apr 2015 18:51 UTC
    | M 4.8 |
    10 km (6.2 mi) depth
    |
    16 km (10 mi) distance
    | GFZ | Details
  • 01 Apr 2015 18:44 UTC
    | M 4.4 |
    37 km (23 mi) depth
    |
    62 km (38 mi) distance
    | EMSC | Details
  • 27 Mar 2015 03:21 UTC
    | M 4.5 |
    31.7 km (19.7 mi) depth
    |
    31 km (20 mi) distance
    | USGS | Details
  • Show all

Earlier earthquakes in the same area

Strong mag. 6.3 earthquake - Off East Coast of Honshu, Japan, on Friday, 20 February 2015 at 04:25 (GMT)

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