Samoa Tsunami: GeoNet Sites

Introduction

The Samoa tsunami was generated by an earthquake of magnitude 8.3 at 17:48 on 29-Sep-2009 (UTC). The purpose of this webpage is to present the results of analysis of the sea-level data that were captured by the GeoNet tsunami gauge network.

We acknowledge the New Zealand GeoNet project New Zealand GeoNet project and its sponsors Earthquake Commission (EQC), GNS Science, and Land Information New Zealand (LINZ).

Summary of the Waves

Samoa Tsunami: GeoNet Sites

Station First Waves Highest Wave
TOA h Height m Period min TOA h
Raoul I. Fishing Rock 3.1 0.365 6.1 4.6
Raoul I. Boat Cove 3.2 0.195 8.1 7.3
North Cape 4.7 0.212 16.8 6.8
Waitemata Harbour 7.2 0.034 14.0 8.8
East Cape 4.5 0.218 9.4 9.9
Tauranga 6.3 0.205 53.4 15.3
Gisborne 5.9 0.145 13.6 7.5
Napier 7.4 0.156 11.0 37.1
Wellington 9.4 0.108 27.7 35.6
Chathams 5.1 0.414 12.6 5.7

Waves at Individual Sites

To retrieve details of the tsunami waves at a particular station, click on the name in the map below: