On November 30, 2018 a magnitude 7 earthquake occurred near Anchorage, Alaska cracking buildings, damaging roads and buckling bridges. Over 4,500 structures were destroyed in the event. NASA’s Jet Propulsion Laboratory (JPL) / NOAA tsunami detection prototype generated many real-time results during the Alaska event. Results from the warning system were generated and forwarded to Tsunami Warning Centers. The Alaska event demonstrated that JPL’s tsunami detection system performs well for detecting potential tsunamis.

Image of Anchorage, Alaska
The circles in Fig. 2 indicate the data uncertainty range; signals beyond the circles are meaningful.

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