Science Advances

Supplementary Materials

This PDF file includes:

  • Data collection: The MyShake application
  • Classifier analysis: Detecting earthquakes on a phone
  • Network detection algorithm
  • Estimate waring time for Katmandu, Nepal
  • Fig. S1. MyShake activity 1 November 2014 to 28 February 2015.
  • Fig. S2. Example earthquake record used to train the ANN classifier algorithm.
  • Fig. S3. Structure of ANN classifier algorithm.
  • Fig. S4. Receiver operating characteristic curve.
  • Fig. S5. Phone trigger times versus epicentral distance.
  • Table S1. Accuracy score for ANN classifier with 10-fold cross-validation.
  • Table S2. Simulated network detection performance for U.S. earthquakes.
  • Table S3. Simulated network performance for various phone densities.
  • Legends for movies S1 to S4
  • References (34–39)

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Other Supplementary Material for this manuscript includes the following:

  • Movie S1 (.mp4 format). Network detection animation for the 2014 M5.1 La Habra earthquake.
  • Movie S2 (.mp4 format). Network detection animation for the 2004 M6.0 Parkfield earthquake.
  • Movie S3 (.mp4 format). Simulation of network detection with no earthquake.
  • Movie S4 (.mp4 format). Simulation of network detection for an M6 earthquake.

Files in this Data Supplement: