Samoa Tsunami at Raoul I. (Fishing Rock) 

Wave Details

Time of arrival of first wave* 3.1 h
Height of the first wave 0.022 m
Time of arrival of highest wave* 4.6 h
Height of the highest wave 0.365 m
Period of the highest wave 6.1 min

* hours after the earthquake.

Commentary

The waves propagated directly to Raoul I. (Fishing Rock) which is directly exposed on the northern side of the island.

Figure 1. Samoa tsunami at Raoul I. (Fishing Rock) showing: A. long wave record, denoised to remove spurious waves; B. height of each wave; and C. period of each wave. EQ denotes the time of the earthquake (17:48 on 29 Sep 2009, UTC).

Figure 2. Samoa tsunami at Raoul I. (Fishing Rock) showing: A. raw long wave record; B. distribution of significant wave height with time and period. EQ denotes the time of the earthquake (17:48 on 29 Sep 2009, UTC).

How were these calculated?
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