Terrestrial Resonance Program

Dr. Thomas Reyes

Head, Terrestrial Resonance Program

FAL-STAFF-241-THOMASREYESReviewed 2026-06-13Program head, appointed 2018

Authorized public contact for terrestrial program methods and field-array calibration boundaries.

Thomas Reyes oversees the founding program of the Laboratories. His work focuses on ground-coupled resonances that recur on fixed schedules, and on the long-baseline arrays that make them recoverable beneath the seismic background.

Selected accomplishments

Modernized the Calder Ridge ground array and its calibration standard
Documented several multi-decade recurrence patterns in the terrestrial record
Lecturer, Case Western Reserve University

Current work

Leads the 2026 recalibration of the buried north-loop receivers
Compares fixed-date recurrence records against weather, rail, and power-grid baselines
Maintains station readiness procedures for winter field operations

Selected work

Institute record
FAL Field Note 18-12
Ground-Coupled Recurrence at Long Baseline
Cite in reading-room request
Institute record
FAL Calibration Memo 23-05
Calder Ridge North Loop Seasonal Drift
Cite in reading-room request
Staff citation
Reyes
T., Fixed-Date Returns and Instrument-Independent Persistence
Cite in reading-room request

Institute service

Field safety review officer
Chair, Array Calibration Working Group

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Committee record

Field safety review officer
Chair, Array Calibration Working Group

Office record

Switchboard extension 241
Array operations building, field desk T-3
Program: Terrestrial Resonance Program