Samoa Tsunami at Gisborne
| Time of arrival of first wave* | 5.9 h |
| Height of the first wave | 0.042 m |
| Time of arrival of highest wave* | 7.5 h |
| Height of the highest wave | 0.145 m |
| Period of the highest wave | 13.6 min |
* hours after the earthquake.
Commentary
The waves arrived in a series of groups.
Figure 1. Samoa tsunami at Gisborne 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 Gisborne 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?
Return to top
Back to Map