Fig. 4From: Coastal tsunami prediction in Tohoku region, Japan, based on S-net observations using artificial neural networkObserved (black) and predicted (red) waveforms of the 2022 Tonga volcanic tsunami at coastal tide gauges, considering forecast time windows of 10 min (left column) and 25 min (right column). The range of one-sigma prediction is depicted by the light red colorBack to article page