From: Operational eruption forecasting at high-risk volcanoes: the case of Campi Flegrei, Naples
Parameter | inertia | units | ELICIT. I | ELICIT. II | ELICIT. III | ELICIT. IV | ELICIT. V |
---|---|---|---|---|---|---|---|
(on line) | (on line) | ||||||
Node 1 | |||||||
# seismic events | (∗) | ev/day | > 1-85 | - | - | > 10-20 | - |
# VT (M >0.8) | (∗) | ev/day | - | > 2-15[mag] | > 15-85[mag 3] | > 2-5[mag 13] | > 5-15 |
Largest Magnitude | last month | - | > 1.7-3.3 | > 2-3[co] | > 2-3 | > 3-4[p 20] | - |
# LP | (∗) | ev/month | > 0 | > 2-10 | > 1-10 | canceled | canceled |
# LP/VLP/ULP | (∗) | ev/month | - | - | - | > 1-10[p 20] | > 2-10 |
Node 2 | |||||||
# seismic events | (∗) | ev/day | > 1-100 (1) | - | > 20-110 (1) | - | - |
# VT (M >1.3) | (∗) | ev/day | - | > 15-70 (1)[mag] | - | > 20 (1)[p 27] | - |
# deep VT (>3.5 km, M >0.8) | (∗) | ev/day | - | - | - | > 1-4 (1)[mag 3] | > 2-20 (1)[p 90] |
Largest Magnitude | last month | - | > 2.6-4.0 (1) | > 3.6-4.5 (1) | > 3.3-4.3 (1) | > 4 (1)[p 20] | - |
# LP | (∗) | ev/month | > 0-10 (1) | > 1-30 (1) | > 20-40 (1) | - | - |
# deep LP (>2.0 km) | (∗) | ev/month | - | - | > 1-7 (2)[dep 30] | > 2-8 (2)[dep 35] | > 3-20 (1)[p 50] |
# VLP/ULP | (∗) | ev/month | - | > 0 (2)[ulp] | > 2-6 (2) | > 1-2 (2)[p 07] | > 1-5 (1) |
# deep VLP/ULP (>3.5 km) | (∗) | ev/month | - | - | - | > 1-5 (2)[p 73] | - |
Presence of tremor | last month | - | - | - | - | YES/NO (1)[red] | YES/NO (1) |
Presence of deep tremor (>3.5 km) | last month | - | - | - | - | YES/NO (1) | YES/NO (1) |
Maximum depth (>6 events) | - | km | > 6 (1)[min] | > 4-8 (1)[min] | > 4-6 (1) | canceled | canceled |
Presence of CLVD | - | - | YES/NO (1) | YES/NO (1) | canceled | canceled | canceled |
Node 3 | |||||||
# seismic events | (∗) | ev/day | > 50-240 (1) | - | - | - | - |
# VT (M >1.3) | (∗) | ev/day | - | - | - | > 50-200 (2)[p 87] | - |
Acceleration in # seismic events | last week | - | YES/NO (1) | YES/NO (2) | YES/NO (1) | YES/NO (1) | YES/NO (1) |
Acceleration in RSAM | last week | - | - | - | - | YES/NO (1)[p 93] | YES/NO (1)[p 70] |
Presence of tremor | last month | - | YES/NO (1) | YES/NO (1) | YES/NO (2) | YES/NO (2)[p 53] | YES/NO (1) |
Upward migration | - | - | YES/NO (1) | canceled | canceled | canceled | canceled |
Hypocenter dispersion (depth range) | last week | km | - | YES/NO (1)[qual] | YES/NO (1)[qual] | > 1-3 (1)[p 53] | > 1-3 (1)[p 30] |
(10th - 90th perc.) |