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|
Table
editPrecursor | Accuracy | Necessary
conditions |
Other precursors as prequisites |
Active evaluation systems | |||
---|---|---|---|---|---|---|---|
Place | Time | Magnitude | Probability | ||||
Animal behavior | locally | a few hours | - | Any | |||
Dilatancy–diffusion | |||||||
Changes in Vp/Vs | |||||||
Radon emissions | |||||||
SES | Selectivity areas
i.e. XXX x XXX km2 |
90% | 50% | yes | |||
Seismic analysis in natural time |
XXX/3 | a few days | 70% | SES | yes | ||
Corralitos anomaly | |||||||
Ionospheric disturbance |
wide regions i.e. "Central Italy" |
a few days | yes | ||||
Ground "temperature" |
500 x 500 km2 | a few days | Not under sea | ||||
Surface disformation |
20 km | ? | Not under sea (yet) |
no | |||
MHz EM | ? | a few days | 75% | Shallow Not under sea |
no | ||
kHz EM | ? | a few hours | 100% | Shallow Not under sea |
MHz | no |
[1] [2] [3] [4] [5]