Triggered Shallow Megathrust Slip following the 2020 Mw7.6 Sand Point (Alaska) Strike-Slip Earthquake Explains its Tsunami
On October 19, 2020, the Mw7.6 Sand Point earthquake occurred near the Shumagin Islands in Alaska. Moment tensor solutions suggest oblique strike-slip faulting, but the earthquake was accompanied by an uncharacteristically large tsunami. Prior models explain this with co-seismic megathrust slip release, or shallow very...