no code implementations • 15 Sep 2022 • Ian W. McBrearty, Gregory C. Beroza
The advent of deep learning pickers, which provide high rates of picks from closely overlapping small magnitude earthquakes, motivates revisiting the phase association problem and approaching it using the methods of deep learning.
no code implementations • 3 Dec 2019 • S. Mostafa Mousavi, Gregory C. Beroza
The network estimates epicentral distance and P travel time with absolute mean errors of 0. 23 km and 0. 03 s respectively, along with their epistemic and aleatory uncertainties.
no code implementations • 14 Nov 2019 • S. Mostafa Mousavi, Gregory C. Beroza
In this study we develop a single-station deep-learning approach for fast and reliable estimation of earthquake magnitude directly from raw waveforms.
2 code implementations • 6 Nov 2018 • Weiqiang Zhu, S. Mostafa Mousavi, Gregory C. Beroza
We demonstrate the effect of our method on improving earthquake detection.
Geophysics Signal Processing
1 code implementation • 3 Oct 2018 • S. Mostafa Mousavi, Weiqiang Zhu, Yixiao Sheng, Gregory C. Beroza
It learns the time-frequency characteristics of the dominant phases in an earthquake signal from three component data recorded on a single station.
4 code implementations • 8 Mar 2018 • Weiqiang Zhu, Gregory C. Beroza
As the number of seismic sensors grows, it is becoming increasingly difficult for analysts to pick seismic phases manually and comprehensively, yet such efforts are fundamental to earthquake monitoring.
Geophysics Applications