The first strong earthquake with a magnitude of 6.4 occurred on the 15th November 2018 at 20:02 UTC. The epicenter of the quake was reported to be about 101km east of Visokoi Island with a depth of 15km.
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| 6.4 magnitude earthquake on 15th November 2018. SOURCE: USGS. |
The second strong earthquake with a magnitude of 7.1 occurred on the 11th December 2018 at 02:26 UTC. The epicenter of the quake was reported to be about 48km north of Bristol Island with a depth of 164.7km.
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| 7.1 magnitude earthquake on 11th December 2018. SOURCE: USGS. |
