Strong and shallow M6.1 earthquake hits Komandorskiye Ostrova, Russia

Strong and shallow M6.1 earthquake hits Komandorskiye Ostrova, Russia

A strong and shallow earthquake registered by the USGS as M6.1 hit Komandorskiye Ostrova, Russia at 12:41 UTC on December 23, 2018. The agency is reporting a depth of 10 km (6.2 miles). ESMC is reporting the same magnitude and depth. This earthquake can have a low humanitarian impact based on the magnitude and the affected population and their vulnerability.

The epicenter was located 152 km (94.6 miles) SE of Ust'-Kamchatsk Staryy (population 4 939) and 246 km (153 miles) ESE of Klyuchi (population 10 000), Russia.

There are about 100 people living within 100 km (62 miles).

1 000 people are estimated to have felt light shaking and 17 000 weak.

The USGS issued a green alert for shaking-related fatalities and economic losses. There is a low likelihood of casualties and damage.

Overall, the population in this region resides in structures that are resistant to earthquake shaking, though vulnerable structures exist. The predominant vulnerable building types are adobe block and unreinforced brick with mud construction.

This is the 40th moderate to strong earthquake to this region since December 7, including M7.3 on December 20.

Image credit: Google, TW/SAM

Estimated population exposure to earthquake shaking

Selected cities exposed

Regional seismicity

Featured image credit: Google, EMSC, TW

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