Early forecasting of tsunami inundation from tsunami and geodetic observation data with convolutional neural networks

F Makinoshima, Y Oishi, T Yamazaki… - Nature …, 2021 - nature.com
Rapid and accurate hazard forecasting is important for prompt evacuations and reducing
casualties during natural disasters. In the decade since the 2011 Tohoku tsunami, various …

Meteorological tsunami generation due to sea‐surface pressure change: Three‐dimensional theory and synthetics of ocean‐bottom pressure change

T Saito, T Kubota, NY Chikasada… - Journal of …, 2021 - Wiley Online Library
Although most tsunamis are generated by the sea‐bottom deformation caused by
earthquakes, some tsunamis are excited by sea‐surface pressure changes. This study …

Meteotsunami observed by the deep‐ocean seafloor pressure gauge network off northeastern Japan

T Kubota, T Saito, NY Chikasada… - Geophysical Research …, 2021 - Wiley Online Library
This study reports an ocean‐bottom pressure gauge (OBP) network, S‐net, which captured
meteotsunamis with amplitudes as small as a few cm, and investigates its validity and …

Improving the Constraint on the Mw 7.1 2016 Off‐Fukushima Shallow Normal‐Faulting Earthquake With the High Azimuthal Coverage Tsunami Data From the S‐Net …

T Kubota, H Kubo, K Yoshida… - Journal of …, 2021 - Wiley Online Library
Tsunamis with amplitudes of up to 40 cm, related to the Mw 7.1 normal‐faulting earthquake
off Fukushima, Japan, on November 21, 2016, were clearly recorded by a new offshore wide …

Joint inversion of ocean-bottom pressure and GNSS data from the 2003 Tokachi-oki earthquake

SB Kim, T Saito, T Kubota, SJ Chang - Earth, Planets and Space, 2023 - Springer
When the 2003 Tokachi-oki earthquake generated a large tsunami off eastern Hokkaido,
Japan, it was detected by cabled ocean-bottom pressure gauges (OBPs) installed within the …

Extracting near‐field seismograms from ocean‐bottom pressure gauge inside the focal area: Application to the 2011 Mw 9.1 Tohoku‐Oki earthquake

T Kubota, T Saito, H Tsushima, R Hino… - Geophysical …, 2021 - Wiley Online Library
Recent studies have shown that ocean‐bottom pressure gauges (OBPs) can record seismic
waves in addition to tsunamis and seafloor permanent displacements, even if they are …

Theoretical solution and applications of ocean bottom pressure induced by seismic waves at high frequencies

H Deng, C An, C Cai, H Ren - Geophysical Research Letters, 2022 - Wiley Online Library
Previous studies have demonstrated that the ocean‐bottom pressure associated with
seismic seafloor motion is linearly proportional to the vertical seafloor acceleration, for …

Earthquake Rupture and Tsunami Generation of the 2015 Mw 5.9 Bonin Event Revealed by In Situ Pressure Gauge Array Observations and Integrated Seismic and …

T Kubota, T Saito, Y Fukao, H Sugioka… - Geophysical …, 2021 - Wiley Online Library
Abstract On September 1, 2015, an Mw 5.9 interplate earthquake occurred near the Bonin
Trench. An array of in situ ocean‐bottom absolute pressure gauges (APGs) observed its …

Potential volcanic origin of the 2023 short-period tsunami in the Izu Islands, Japan

A Mizutani, D Melgar - Seismica, 2023 - seismica.library.mcgill.ca
Abstract On October 8, 2023, at 21: 40 UTC (6: 40 on October 9 local time), a tsunami
warning was issued for the Izu Islands and southwest Japan. This tsunami was initially …

Potential tsunami hazard of the southern Vanuatu subduction zone: tectonics, case study of the Matthew Island tsunami of 10 February 2021 and implication in …

J Roger, B Pelletier, A Gusman… - … Hazards and Earth …, 2022 - nhess.copernicus.org
The Vanuatu subduction zone (VSZ) is known to be seismically very active, releasing a
significant energy resulting of the quick convergence rate between the Australian and Pacific …