Strong Motion Data from the 2012 M7.8 Haida Gwaii Earthquake

Three-component acceleration data recorded by three Geological Survey of Canada Internet Accelerograph stations during the October 28, 2012, moment magnitude 7.8 earthquake offshore Haida Gwaii, British Columbia. The instrument-calibrated, unfiltered numerical data is available in miniseed and ASCII formats and has been used in publications since 2013. The dataset is provided by Natural Resources Canada.

Use Cases

• Validate and calibrate ground motion prediction equations based on recorded strong motions.
• Analyze site response and amplification effects using data from the three named stations.
• Study the source characteristics of the 2012 Haida Gwaii earthquake using the three-component waveforms.
• Benchmark seismic data processing and filtering algorithms using the provided unfiltered acceleration data.

Strengths

• Data is instrument-calibrated and unfiltered, providing a raw record of ground acceleration.
• Contains three-component data from three distinct stations (PRP01, MSS01, QCC01) for a single significant event.
• Data has been used in peer-reviewed publications since 2013, indicating research utility.

Limitations

• Row count is unknown, which may limit suitability assessment.
• Column-level documentation is absent; field semantics must be inferred after download.
• Data is limited to three stations, offering sparse spatial coverage of the event.

Provenance

Source

Geological Survey of Canada, Natural Resources Canada

Collection Method

Recorded by Internet Accelerograph (IA) stations.

Time Range

October 28, 2012

Freshness

Last updated 2026-05-22 20:30:59.437293; freshness should be verified.

Geography

Haida Gwaii, British Columbia, Canada (stations: Prince Rupert, Masset, Daajing Giids)