8.8 quake North Pacific Ocean, 119 km southeast of Petropavlovsk-Kamchatskiy, Kamchatka, Russia
Several large foreshocks, aftershocks, and a tsunami accompanied this extra large quake which is currently tied for 6th place for the largest earthquakes on record.
Radian and 28° secant measurements were applied to the areas with the M8.8 and the other the largest quakes within 24 hours prior.
Base images taken from the Volcano Discovery app. Radians and Secant applied by heathenstargazers.org