MALMI: An automated earthquake detection and location workflow based on machine learning and waveform migration

P Shi, F Grigoli, F Lanza, GC Beroza… - Seismological …, 2022 - pubs.geoscienceworld.org
Robust automatic event detection and location is central to real‐time earthquake monitoring.
With the increase of computing power and data availability, automated workflows that utilize …

Deep learning forecasting of large induced earthquakes via precursory signals

V Convertito, F Giampaolo, O Amoroso, F Piccialli - Scientific reports, 2024 - nature.com
Precursory phenomena to earthquakes have always attracted researchers' attention. Among
the most investigated precursors, foreshocks play a key role. However, their prompt …

Steam caps in geothermal reservoirs can be monitored using seismic noise interferometry

P Sánchez-Pastor, SM Wu, K Hokstad… - … Earth & Environment, 2023 - nature.com
Harvesting geothermal energy often leads to a pressure drop in reservoirs, decreasing their
profitability and promoting the formation of steam caps. While steam caps are valuable …

Combined Large‐N Seismic Arrays and DAS Fiber Optic Cables across the Hengill Geothermal Field, Iceland

A Obermann, P Sánchez‐Pastor… - Seismological …, 2022 - pubs.geoscienceworld.org
Abstract From June to August 2021, we deployed a dense seismic nodal network across the
Hengill geothermal area in southwest Iceland to image and characterize faults and high …

Seismicity and 3-D body-wave velocity models across the Hengill geothermal area, SW Iceland

A Obermann, SM Wu, T Ágústsdóttir, A Duran… - Frontiers in Earth …, 2022 - frontiersin.org
We image shallow crustal structures and analyze seismicity patterns in the Hengill high-
enthalpy geothermal area in SW Iceland, exploiting a temporary densification of the seismic …

Locating clustered seismicity using Distance Geometry Solvers: applications for sparse and single-borehole DAS networks

K Tuinstra, F Grigoli, F Lanza, AP Rinaldi… - Geophysical Journal …, 2024 - academic.oup.com
The determination of seismic event locations with sparse networks or single-borehole
systems remains a significant challenge in observational seismology. Leveraging the …

Harpa: High-Rate Phase Association with Travel Time Neural Fields

C Shi, MV de Hoop, I Dokmanić - arXiv preprint arXiv:2307.07572, 2023 - arxiv.org
Phase association groups seismic wave arrivals according to their originating earthquakes.
It is a fundamental task in a seismic data processing pipeline, but challenging to perform for …

Crustal characterization of the Hengill geothermal fields: Insights from isotropic and anisotropic seismic noise imaging using a 500‐node array

SM Wu, P Sánchez‐Pastor… - Journal of …, 2024 - Wiley Online Library
The Hengill volcano and its associated geothermal fields represent Iceland's most
productive harnessed high‐temperature geothermal fields, where resources are fueled by …

Hyperthermophile diversity microbes in the Calientes geothermal field, Tacna, Peru

S Valdez, FV de la Vega, O Pairazaman… - Brazilian Journal of …, 2023 - Springer
Hyperthermophile microorganisms have been discovered worldwide, and several studies
regarding biodiversity and the potential biotechnological applications have been reported. In …

Pseudo‐prospective forecasting of induced and natural seismicity in the Hengill geothermal field

VA Ritz, L Mizrahi, V Clasen Repollés… - Journal of …, 2024 - Wiley Online Library
The Hengill geothermal field, located in southwest Iceland, is host to the Hellisheiði power
plant, with its 40+ production wells and 17 reinjection wells. Located in a tectonically active …