Altought faults are conventionally modelled as discontinuity of zero thickness, this example from Kahramanmaraş shows that #earthquakes do not occur on infinitely thin faults, but consist of complex evolving networks with one (or more) fault core.
Video credit: Muhammed Kösen
Newly available Maxar satellite imagery shows several hundred meters long surface rupture with horizontal displacements up to 4m near Nurdağı, Gaziantep province, Turkey.
clearly visible fault rupture from the #Turkey#earthquake#deprem near #Nurdagi
Should be about 3-4m of horizontal displacement
image from google-earth and maxar
Koryaksky is an active volcano on the Kamchatka Peninsula. It has been designated a Decade Volcano, worthy of particular study in light of its history of explosive eruptions and proximity to populated areas
[📹 https://t.co/VEgSHx2l07]