Earthquake early warning: Advances, scientific challenges, and societal needs

RM Allen, D Melgar - Annual Review of Earth and Planetary …, 2019 - annualreviews.org
Earthquake early warning (EEW) is the delivery of ground shaking alerts or warnings. It is
distinguished from earthquake prediction in that the earthquake has nucleated to provide …

Earthquake early warning: Recent advances and perspectives

G Cremen, C Galasso - Earth-Science Reviews, 2020 - Elsevier
Earthquake early warning (EEW) is a relatively new strategy for reducing disaster risk and
increasing resilience to seismic hazard in urban settings. EEW systems provide real-time …

Physical applications of GPS geodesy: A review

Y Bock, D Melgar - Reports on Progress in Physics, 2016 - iopscience.iop.org
Geodesy, the oldest science, has become an important discipline in the geosciences, in
large part by enhancing Global Positioning System (GPS) capabilities over the last 35 years …

[HTML][HTML] Subduction zone megathrust earthquakes

SL Bilek, T Lay - Geosphere, 2018 - pubs.geoscienceworld.org
Subduction zone megathrust faults host Earth's largest earthquakes, along with multitudes of
smaller events that contribute to plate convergence. An understanding of the faulting …

Earthquake magnitude calculation without saturation from the scaling of peak ground displacement

D Melgar, BW Crowell, J Geng, RM Allen… - Geophysical …, 2015 - Wiley Online Library
GPS instruments are noninertial and directly measure displacements with respect to a global
reference frame, while inertial sensors are affected by systematic offsets—primarily tilting …

The hidden simplicity of subduction megathrust earthquakes

MA Meier, JP Ampuero, TH Heaton - Science, 2017 - science.org
The largest observed earthquakes occur on subduction interfaces and frequently cause
widespread damage and loss of life. Understanding the rupture behavior of megathrust …

Kinematic earthquake source inversion and tsunami runup prediction with regional geophysical data

D Melgar, Y Bock - Journal of Geophysical Research: Solid …, 2015 - Wiley Online Library
Rapid near‐source earthquake source modeling relying only on strong motion data is
limited by instrumental offsets and magnitude saturation, adversely affecting subsequent …

The propagation of local undamped motion (PLUM) method: A simple and robust seismic wavefield estimation approach for earthquake early warning

Y Kodera, Y Yamada, K Hirano… - Bulletin of the …, 2018 - pubs.geoscienceworld.org
A basic methodology for earthquake early warning is the use of point‐source models fed
with observational data from triggered stations. The 2011 Off the Pacific Coast of Tohoku …

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 …

A global database of strong‐motion displacement GNSS recordings and an example application to PGD scaling

CJ Ruhl, D Melgar, J Geng… - Seismological …, 2019 - pubs.geoscienceworld.org
Displacement waveforms derived from Global Navigation Satellite System (GNSS) data
have become more commonly used by seismologists in the past 15 yrs. Unlike strong …