From: A framework for detecting unfolding emergencies using humans as sensors
Magnitude | Earthquakes | Detection results | Validation metrics | ||||
---|---|---|---|---|---|---|---|
TP | FP | FN | Precision (%) | Recall (%) | F-Measure (%) | ||
System validation against all the earthquakes registered by INGV | |||||||
>2.0 | 404 | 17 | 30 | 387 | 36.17 | 4.21 | 7.54 |
>2.5 | 102 | 16 | 30 | 86 | 34.78 | 15.69 | 21.62 |
>3.0 | 26 | 13 | 17 | 13 | 43.33 | 50.00 | 46.43 |
>3.5 | 11 | 9 | 3 | 2 | 75.00 | 81.82 | 78.26 |
>4.0 | 7 | 5 | 0 | 2 | 100 | 71.43 | 83.33 |
>4.5 | 2 | 2 | 0 | 0 | 100 | 100 | 100 |
System validation against earthquakes that generated at least one report on Twitter | |||||||
>2.0 | 128 | 17 | 30 | 111 | 36.17 | 13.28 | 19.43 |
>2.5 | 55 | 16 | 30 | 39 | 34.78 | 29.09 | 31.68 |
>3.0 | 21 | 13 | 17 | 8 | 43.33 | 61.90 | 50.98 |
>3.5 | 9 | 9 | 3 | 0 | 75.00 | 100 | 85.71 |
>4.0 | 5 | 5 | 0 | 0 | 100 | 100 | 100 |
>4.5 | 2 | 2 | 0 | 0 | 100 | 100 | 100 |