There are several general pieces on last year's megatsunami. Greg points to what I think is the best.
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Their analysis of an initial high-energy seismic signal, combined with satellite images of a missing rock patch along a cliff along Dickson Fjord, allowed them to trace the direction of the landslide as it picked up glacier ice and became a mixed rock-ice avalanche before it reached the water. The resulting megatsunami run-up was more than 200 meters (650 feet) near the water entry point and an average of 60 meters (200 feet) along a 10-kilometer (6 miles) stretch of the fjord.
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The paper in Science is paywalled, but worth the read if you have access.
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