Seismic History Database
Comprehensive archive of global seismic events for research, education, and analysis. All data is verifiable, citation-ready, and sourced from authoritative monitoring networks.
Regional Stress Analysis
U.S. Historical Seismicity
Tectonic stress fields across the western U.S., showing fault activity density and magnitude frequency distribution.
Philippine Stress Plate Map
Stress-field visualization across the Philippine Sea Plate — revealing subduction zone complexity and strain accumulation.
Interactive Data Explorer
| Time (UTC) ▼ | Mag | Lat | Lon | Depth (km) | Place | Source |
|---|---|---|---|---|---|---|
| 2026-01-14T16:39:06.077Z | 1.0 | 58.27 | -154.94 | 5.0 | 83 km NNW of Karluk, Alaska | GSIN |
| 2026-01-14T16:37:50.930Z | 1.0 | 33.95 | -116.70 | 11.8 | 9 km ENE of Cabazon, CA | GSIN |
| 2026-01-14T16:29:21.520Z | 1.8 | 19.17 | -155.51 | 29.7 | 5 km SW of Pāhala, Hawaii | GSIN |
| 2026-01-14T16:27:21.650Z | 0.6 | 33.63 | -116.69 | 13.6 | 9 km N of Anza, CA | GSIN |
| 2026-01-14T16:23:01.347Z | 2.0 | 61.64 | -149.83 | 27.9 | 1 km NNW of Houston, Alaska | GSIN |
| 2026-01-14T16:15:27.383Z | 4.5 | 51.47 | -173.53 | 41.3 | 93 km SSE of Atka, Alaska | GSIN |
| 2026-01-14T16:01:38.490Z | 2.2 | 37.84 | -121.88 | 4.2 | 3 km NE of Blackhawk, CA | GSIN |
| 2026-01-14T15:59:55.370Z | 0.7 | 38.84 | -122.79 | 2.1 | 6 km WNW of Cobb, CA | GSIN |
| 2026-01-14T15:48:52.730Z | 2.1 | 38.55 | -122.30 | 4.1 | 13 km ESE of Angwin, CA | GSIN |
| 2026-01-14T15:36:16.549Z | 5.1 | 47.84 | 154.83 | 10.0 | Kuril Islands | GSIN |
| 2026-01-14T15:34:28.550Z | 2.3 | 19.19 | -155.37 | 29.5 | 11 km E of Pāhala, Hawaii | GSIN |
| 2026-01-14T15:32:26.020Z | 0.9 | 33.95 | -116.44 | 5.5 | 6 km E of Desert Hot Springs, CA | GSIN |
| 2026-01-14T15:30:23.327Z | 4.2 | -5.48 | 147.30 | 220.5 | 133 km NNW of Finschhafen, Papua New Guinea | GSIN |
| 2026-01-14T15:26:50.410Z | 1.9 | 31.44 | -103.91 | 4.7 | 17 km NW of Toyah, Texas | GSIN |
| 2026-01-14T14:54:27.010Z | 1.1 | 38.82 | -122.77 | 2.2 | 4 km W of Cobb, CA | GSIN |
| 2026-01-14T14:53:14.280Z | 1.0 | 19.39 | -155.27 | 3.1 | 6 km SW of Volcano, Hawaii | GSIN |
| 2026-01-14T14:52:35.620Z | 0.2 | 38.82 | -122.82 | 0.4 | 8 km NW of The Geysers, CA | GSIN |
| 2026-01-14T14:51:46.120Z | 1.2 | 33.36 | -116.31 | 14.8 | 13 km NNE of Borrego Springs, CA | GSIN |
How to Cite This Database
This dataset is provided for educational and research purposes. When using GSIN data in publications, please use one of the following citation formats:
Stone, K. (2025). Global Seismic Intelligence Network — Seismic History Catalog. GSIN Research Portal. Retrieved from https://gsin.dev/seismic-history
Stone, Kent. "Global Seismic Intelligence Network — Seismic History Catalog." GSIN Research Portal, 2025, gsin.dev/seismic-history.
Stone, Kent. "Global Seismic Intelligence Network — Seismic History Catalog." GSIN Research Portal, 2025. https://gsin.dev/seismic-history.
Note: For reproducible research, always include the date accessed and the specific filters used (magnitude range, time period, etc.).
Data Sources & Quality
GSIN aggregates data from multiple authoritative seismic monitoring networks to provide comprehensive global coverage: