AUTOMATIC Location - Area: Alpi Marittime , magnitude (ML): 0.3
2025-12-19 09:19:30 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-12-19 09:23:36

RSNI Logo


Earthquake info - RsniPicker2 automatic location
Event - ID :251219091836
Magnitude (ML) :0.3 +/- 0.4
Origin Time :2025-12-19 09:19:30.5 (UTC)
Location : Latitude: 44.257 N, Longitude: 7.441 E
Area :Alpi Marittime
Depth (km) :3.65
Distances (km) : 1.9 --- Roaschia (CN)
3.9 --- Entracque (CN)
4.3 --- Valdieri (CN)
7.1 --- Robilante (CN)
7.3 --- Roccavione (CN)
7.5 --- Vernante (CN)
8.3 --- Moiola (CN)
9.2 --- Borgo San Dalmazzo (CN)
9.3 --- Gaiola (CN)
9.5 --- Roccasparvera (CN)
10.7 --- Valloriate (CN)
11.1 --- Rittana (CN)
11.8 --- Vignolo (CN)
12.1 --- Boves (CN)
12.4 --- Limone Piemonte (CN)
13.3 --- Demonte (CN)
14.3 --- Cervasca (CN)
14.4 --- Bernezzo (CN)
16.0 --- Cuneo (CN)
16.4 --- Peveragno (CN)

Quality location estimate:
Erh: 0.8 km, Erz: 0.5 km, Nf: 14, Gap: 136°, Rms: 0.165 s
Stazioni validate: 8


RsniPicker2 - Automatic location results
Station Net P arrival times P pick
err
P pick
weight
P res Nll
weight
S arrival time S pick
err
S pick
weight
S res Nll
weight
Dist.
ENRGU2025-12-19 09:19:31.9400.00800.061.402025-12-19 09:19:32.7630.0190-0.091.595.1
STVGU2025-12-19 09:19:32.6690.00500.011.902025-12-19 09:19:33.7090.3912-0.440.6710.0
SAOFFR--:---.-----.---.--2025-12-19 09:19:41.3490.0951-0.051.5131.5
GBOSGU2025-12-19 09:19:36.5990.04500.001.882025-12-19 09:19:40.4100.1912-0.280.8832.0
MGROGU2025-12-19 09:19:35.6191.0033-2.450.082025-12-19 09:19:42.4700.1532-0.990.1937.9
PZZGU2025-12-19 09:19:38.0000.0581-0.071.722025-12-19 09:19:42.7400.2432-0.610.4338.1
ROROGU--:---.-----.---.--2025-12-19 09:19:45.2500.3262-1.630.0852.5
SURFFR--:---.-----.---.--2025-12-19 09:19:48.2400.1672-0.151.0955.9
OGDIFR--:---.-----.---.--2025-12-19 09:20:01.1800.6303-0.300.5698.5


RsniPicker2 - Automatic magnitude (ML) calculation results
Station Net Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth Used
ENR GU0.105.18e-15.1211SI
STV GU-0.303.43e-210.0262SI
SAOF FR0.101.32e-231.5163SI
GBOS GU1.005.31e-232.093SI
MGRO GU0.301.50e-237.9129SI
PZZ GU0.101.59e-238.1317SI
RORO GU0.501.25e-252.5108SI


Results of PGA, PGV, IH, spectral amplitudes (SA) values calculation
Station Net Channel PGA
(g)
PGV
(m/s)
PGD
(m)
IH 0*
(m)
IH 1*
(m)
IH 2*
(m)
Sa(T=0.10)
(g)
Sa(T=0.30)
(g)
Sa(T=1.00)
(g)
Sa(T=3.00)
(g)
Dist.
(km)
Azim.
(°)
ENR GUHHZ3.3316e-55.1467e-60.0000e+02.2425e-63.8589e-65.3318e-61.0673e-45.9587e-61.0257e-69.2083e-85.1211
ENR GUHHN5.3958e-58.6658e-60.0000e+04.4147e-67.9571e-67.9571e-68.3315e-51.3953e-51.1632e-61.8018e-75.1211
ENR GUHHE7.4717e-51.1462e-50.0000e+05.2984e-69.7399e-61.4213e-52.3039e-41.2137e-59.7932e-72.2479e-75.1211
STV GUHHZ2.8627e-64.6321e-70.0000e+03.5098e-76.0527e-78.6724e-76.6879e-61.4524e-62.2515e-72.3885e-810.0262
STV GUHHN2.7669e-64.5184e-70.0000e+03.3998e-76.1671e-76.1671e-75.2710e-61.4508e-62.1952e-72.9026e-810.0262
STV GUHHE3.5963e-64.3874e-70.0000e+02.5333e-74.7267e-77.0103e-78.4789e-69.9001e-71.2356e-71.4048e-810.0262
SAOF FRHHE3.5963e-64.3874e-70.0000e+02.5333e-74.7267e-77.0103e-78.4789e-69.9001e-71.2356e-71.4048e-831.5163
GBOS GUHHZ1.2150e-63.4546e-70.0000e+02.7134e-74.7992e-76.7443e-74.2080e-61.0369e-61.2721e-71.9270e-832.093
GBOS GUHHN1.6504e-64.4190e-70.0000e+03.0665e-77.0700e-77.0700e-72.9069e-61.1331e-61.8011e-71.6109e-832.093
GBOS GUHHE1.9799e-64.7014e-70.0000e+03.8716e-76.5421e-79.0347e-75.9046e-61.3919e-61.3383e-71.2895e-832.093
MGRO GUHHZ2.4158e-76.2258e-80.0000e+05.2691e-81.1358e-71.6130e-76.6313e-72.0090e-74.9971e-86.0881e-937.9129
MGRO GUHHN2.9942e-71.1212e-70.0000e+08.0130e-81.7598e-71.7598e-77.6473e-75.1759e-71.3135e-71.1411e-837.9129
MGRO GUHHE2.9286e-77.8479e-80.0000e+06.6571e-81.5276e-72.2337e-78.6863e-73.2594e-78.5946e-89.7067e-937.9129
PZZ GUHHZ9.1409e-72.0864e-70.0000e+01.3936e-72.4022e-73.4002e-72.5811e-66.3916e-76.9156e-88.2809e-938.1317
PZZ GUHHN9.2278e-71.7751e-70.0000e+01.2972e-72.5307e-72.5307e-72.1863e-64.3596e-79.7276e-87.4906e-938.1317
PZZ GUHHE1.1848e-62.1295e-70.0000e+01.6918e-72.8153e-73.9480e-73.4326e-66.0107e-71.1054e-71.0181e-838.1317
RORO GUHHZ6.7902e-71.4256e-70.0000e+08.7093e-81.6470e-72.4882e-71.4936e-62.7810e-77.5170e-86.7276e-952.5108
RORO GUHHN6.2311e-71.2953e-70.0000e+01.0522e-71.8879e-71.8879e-71.3279e-63.6437e-78.6255e-86.7639e-952.5108
RORO GUHHE6.1418e-79.6804e-80.0000e+07.7151e-81.3381e-71.9462e-71.5860e-63.0173e-75.1800e-87.9097e-952.5108
*IH (Housner Intensity) calculated on the velocity spectrum (SV) between 0.1 and 0.5 s (IH0), 0.1 and 1.0 s (IH1), 0.1 and 1.5 s (IH2)

rsni