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 …

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 …

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 …

[HTML][HTML] Geophysical characterization of the in-situ CO2 mineral storage pilot site in Helguvik, Iceland

JS Junker, A Obermann, M Voigt, H Maurer… - International Journal of …, 2025 - Elsevier
In-situ CO 2 mineral storage is moving into focus as a technology for storing substantial
amounts of CO 2 that would otherwise be released into the atmosphere. However, one of the …

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 …

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 …

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 …

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 …

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 …

A Prospective Evaluation of Borehole Distributed Acoustic Sensing Technologies for Detecting and Locating Out‐of‐Network Microseismicity

F Lanza, KB Tuinstra, AP Rinaldi… - … Acoustic Sensing in …, 2024 - Wiley Online Library
Downhole distributed acoustic sensing (DAS) has proven effective in monitoring
microseismicity produced during hydraulic stimulations. It is also a promising tool for …