Tsunami data assimilation of Cascadia seafloor pressure gauge records from the 2012 Haida Gwaii earthquake

AR Gusman, AF Sheehan, K Satake… - Geophysical …, 2016 - Wiley Online Library
We use tsunami waveforms recorded on a dense array of seafloor pressure gauges offshore
Oregon and California from the 2012 Haida Gwaii, Canada, earthquake to simulate the …

Mechanism of the 2015 volcanic tsunami earthquake near Torishima, Japan

Y Fukao, O Sandanbata, H Sugioka, A Ito… - Science …, 2018 - science.org
Tsunami earthquakes are a group of enigmatic earthquakes generating disproportionally
large tsunamis relative to seismic magnitude. These events occur most typically near deep …

Ray tracing for dispersive tsunamis and source amplitude estimation based on Green's law: Application to the 2015 volcanic tsunami earthquake near Torishima …

O Sandanbata, S Watada, K Satake, Y Fukao… - Pure and Applied …, 2018 - Springer
Ray tracing, which has been widely used for seismic waves, was also applied to tsunamis to
examine the bathymetry effects during propagation, but it was limited to linear shallow-water …

[PDF][PDF] Array observations of the 2012 Haida Gwaii tsunami using Cascadia Initiative absolute and differential seafloor pressure gauges

AF Sheehan, AR Gusman, M Heidarzadeh… - Seismological …, 2015 - oceanblogs.org
The purpose of this article is to test the ability of the seafloor pressure sensors utilized in the
Cascadia Initiative (CI) experiment (Toomey et al., 2014) to provide useful recordings of …

Back‐Projection Imaging of a Tsunami Excitation Area With Ocean‐Bottom Pressure Gauge Array Data

A Mizutani, K Yomogida - Journal of Geophysical Research …, 2022 - Wiley Online Library
A back‐projection method has been applied to many earthquakes in seismology due to its
simple and low computational cost, and it can estimate complex fault rupture processes …

Globally scattered 2011 Tohoku tsunami waves from a seafloor sensor array in the northeast Pacific Ocean

MD Kohler, DC Bowden… - Journal of Geophysical …, 2020 - Wiley Online Library
Modeling of tsunami wave propagation for forecasting focuses on the arrival time and
amplitude of the earliest tsunami waves reaching coastlines. The complex later tsunami …

Investigating blue and fin whale populations through passive acoustic monitoring using ocean bottom seismometers

R Hilmo - 2024 - search.proquest.com
Many large baleen whale species are endangered due to decades of commercial whaling
before its international ban in the 1980s. Monitoring the recovery of their populations is …

Snell's law applied to tsunamis: Simulations and observations

EA Okal - Pure and Applied Geophysics, 2021 - Springer
At the edge of a continental shelf, where the depth of the ocean column can vary rapidly by a
factor of∼ 20, tsunamis are expected to be severely refracted in application of Snell's Law …

[PDF][PDF] MAPPING COHERENT, TIME-VARYING WAVEFRONTS FROM THE 2011 TOHOKU TSUNAMI INTO ENHANCED, TIME-DEPENDENT WARNING MESSAGES

J Shi, MD Kohler, JN Sutton, JP Ampuero - authors.library.caltech.edu
Recent results are presented to illustrate how predictions of tsunami wave impact and
tsunami warning messages can be improved by including information about multiple, large …