Probabilistic tsunami hazard analysis: multiple sources and global applications

A Grezio, A Babeyko, MA Baptista… - Reviews of …, 2017 - Wiley Online Library
Applying probabilistic methods to infrequent but devastating natural events is intrinsically
challenging. For tsunami analyses, a suite of geophysical assessments should be in …

Tsunami risk management for crustal earthquakes and non-seismic sources in Italy

J Selva, A Amato, A Armigliato, R Basili… - La Rivista del Nuovo …, 2021 - Springer
Destructive tsunamis are most often generated by large earthquakes occurring at subduction
interfaces, but also other “atypical” sources—defined as crustal earthquakes and non …

Kinematic rupture scenarios and synthetic displacement data: An example application to the Cascadia subduction zone

D Melgar, RJ LeVeque, DS Dreger… - Journal of Geophysical …, 2016 - Wiley Online Library
Scenario ruptures and ground motion simulation are important tools for studies of expected
earthquake and tsunami hazards during future events. This is particularly important for large …

Early warning for great earthquakes from characterization of crustal deformation patterns with deep learning

JT Lin, D Melgar, AM Thomas… - Journal of Geophysical …, 2021 - Wiley Online Library
Abstract Although infrequent, large (Mw7. 5+) earthquakes can be extremely damaging and
occur on subduction and intraplate faults worldwide. Earthquake early warning (EEW) …

Comparison of machine learning approaches for tsunami forecasting from sparse observations

CM Liu, D Rim, R Baraldi, RJ LeVeque - Pure and Applied Geophysics, 2021 - Springer
We have explored various different machine learning (ML) approaches for forecasting
tsunami amplitudes at a set of forecast points, based on hypothetical short-time observations …

The value of real‐time GNSS to earthquake early warning

CJ Ruhl, D Melgar, R Grapenthin… - Geophysical Research …, 2017 - Wiley Online Library
Abstract Global Navigation Satellite Systems (GNSS)‐based earthquake early warning
(EEW) algorithms estimate fault finiteness and unsaturated moment magnitude for the …

Differences between heterogenous and homogenous slip in regional tsunami hazards modelling

D Melgar, AL Williamson… - Geophysical Journal …, 2019 - academic.oup.com
The homogenous slip finite fault model is commonly used in tsunami hazards for a variety of
applications. These include early warning and short-term forecasts of tsunami amplitudes …

Discriminating the occurrence of inundation in tsunami early warning with one-dimensional convolutional neural networks

J Núñez, PA Catalán, C Valle, N Zamora… - Scientific reports, 2022 - nature.com
Tsunamis are natural phenomena that, although occasional, can have large impacts on
coastal environments and settlements, especially in terms of loss of life. An accurate …

Tsunami variability from uncalibrated stochastic earthquake models: tests against deep ocean observations 2006–2016

G Davies - Geophysical Journal International, 2019 - academic.oup.com
This study tests three models for generating stochastic earthquake-tsunami scenarios on
subduction zones by comparison with deep ocean observations from 18 tsunamis during the …

The correlation lengths and hypocentral positions of great earthquakes

D Melgar, GP Hayes - Bulletin of the Seismological …, 2019 - pubs.geoscienceworld.org
Here, we revisit the issue of slip distributions modeled as spatially random fields. For each
earthquake in the US Geological Survey's database of finite‐fault models (M 7–9), we …