From: The time lag between deformation process and seismic activity in El Hierro Island during the eruptive process (2011–2014): a functional phased approach
Phase
Correlation
Time delay
Phase 1
0.936
31.7 days (760 h)
Phase 2
0.971
0 days (0 h)
Phase 3
0.346
1.5 days (36 h)
Phase 4
0.986
2.67 days (64 h)