MANUAL Location - Area: Alpi Graie , magnitude (ML): 0.3
2025-11-06 03:58:04 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-11-06 09:33:00

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Earthquake info - Manual location
Event - ID :251106035741
Magnitude (ML) :0.3 +/- 0.2
Origin Time :2025-11-06 03:58:04.99 (UTC)
Location : Latitude: 45.496 N, Longitude: 7.435 E
Area :Alpi Graie
Depth (km) :6.01
Distances (km) : 8.8 --- Ribordone
8.9 --- Locana
8.9 --- Ronco Canavese
9.4 --- Valprato Soana
10.5 --- Noasca
11.1 --- Ingria
12.3 --- Sparone
13.9 --- Cogne
14.7 --- Alpette
14.9 --- Frassinetto
15.2 --- Pont-Canavese
16.3 --- Chialamberto
17.1 --- Ceresole Reale
17.4 --- Cantoira
18.3 --- Canischio
18.4 --- Groscavallo
19.0 --- San Colombano Belmonte
19.4 --- Chiesanuova
20.0 --- Prascorsano
20.2 --- Cuorgne

Quality location estimate: Erh: 1.2 km, Erz: 1.7 km, Nf: 18, Gap: 72 °, Rms: 0.24


Manual location results
Station Net P arrival time P pick
err
P pick
weight
P res Nll
weight
S arrival time S pick
err
S pick
weight
S res Nll
weight
Dist.
CIROGU2025-11-06 03:58:09.1900.0532-0.031.872025-11-06 03:58:11.1770.0400-0.800.0817.8
CANIGU2025-11-06 03:58:10.3410.02000.840.062025-11-06 03:58:12.8140.04000.390.8622.1
LATOIV2025-11-06 03:58:09.6950.02000.041.662025-11-06 03:58:12.5110.0400-0.191.1522.6
LSDGU2025-11-06 03:58:10.4490.02000.360.842025-11-06 03:58:13.4340.0400-0.031.8025.2
RSPGU2025-11-06 03:58:12.7330.0200-0.011.832025-11-06 03:58:17.7550.0400-0.241.0841.5
MRGEIV2025-11-06 03:58:13.5940.02000.580.422025-11-06 03:58:18.2840.0400-0.021.6142.8
REMYGU2025-11-06 03:58:13.7550.02000.300.772025-11-06 03:58:19.0550.0400-0.071.5744.5
OROIV2025-11-06 03:58:13.2460.0200-0.390.362025-11-06 03:58:18.3480.0400-1.040.0845.5
OGMOFR2025-11-06 03:58:17.8500.02000.590.542025-11-06 03:58:25.4050.0400-0.041.4167.2


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
CIRO GUHH0.333.77e-217.841
RSP GUHH0.058.02e-341.5199
MRGE IVHH0.431.45e-242.8316
REMY GUHH0.036.22e-344.5330
ORO IVEH0.582.12e-245.571


Results of PGA, PGV, IH, spectral amplitudes (SA) values calculation
Station Net Channel PGA
(g)
PGV
(m/s)
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.
(°)
CIRO GUHHZ5.7865e-66.9564e-71.3716e-73.5119e-82.1317e-88.2397e-64.7528e-74.3012e-81.2062e-817.841
CIRO GUHHN1.0186e-51.0081e-62.0028e-77.9254e-84.9157e-81.1144e-58.4702e-79.9511e-82.3709e-817.841
CIRO GUHHE1.0530e-51.0987e-61.6915e-76.8671e-84.4976e-88.4416e-65.8825e-78.3709e-81.8934e-817.841
CANI GUHHZ2.6636e-62.4769e-76.9270e-82.4603e-81.5107e-82.5310e-63.0526e-72.5302e-85.1894e-922.1108
CANI GUHHN3.2089e-63.4531e-78.5837e-82.6844e-81.3880e-84.3384e-63.6182e-72.4416e-86.6723e-922.1108
CANI GUHHE3.0332e-62.7762e-77.3790e-82.8686e-81.4874e-83.0398e-63.0140e-72.0622e-85.5264e-922.1108
LSD GUHHZ3.4864e-63.5159e-76.9749e-81.7908e-89.0874e-92.6736e-61.9200e-71.3344e-83.0941e-925.2260
LSD GUHHN2.1182e-61.9922e-77.1698e-82.2651e-81.2278e-82.6460e-62.8509e-71.8249e-84.0335e-925.2260
LSD GUHHE2.3369e-62.1153e-74.7118e-81.3466e-87.1866e-91.7134e-62.0677e-71.2198e-83.2335e-925.2260
RSP GUHHZ1.3704e-61.4700e-73.8882e-82.1306e-89.8954e-91.4647e-61.8852e-71.5164e-82.3316e-941.5199
RSP GUHHN1.5298e-61.6565e-75.7325e-82.3683e-81.0880e-82.1335e-62.2728e-71.6575e-83.6025e-941.5199
RSP GUHHE1.2146e-61.4197e-75.2738e-81.9612e-81.0592e-81.6464e-62.0534e-71.5139e-82.7845e-941.5199
MRGE IVHHZ2.6989e-61.5898e-73.3343e-81.1978e-87.3757e-91.1017e-61.5047e-71.6292e-82.7077e-942.8316
MRGE IVHHN6.9819e-65.7908e-75.5880e-82.5612e-81.6585e-83.2284e-62.6052e-73.6993e-88.1267e-942.8316
MRGE IVHHE1.1065e-59.7950e-74.9161e-81.9844e-81.2355e-82.3125e-62.5941e-74.1878e-81.1972e-842.8316
REMY GUHHZ7.4856e-77.1472e-83.2984e-81.5443e-88.3950e-91.0914e-61.2623e-71.2560e-81.3485e-944.5330
REMY GUHHN9.7874e-71.2473e-75.1855e-82.6169e-81.8037e-82.7034e-62.3900e-72.9041e-82.6372e-944.5330
REMY GUHHE8.2456e-71.0040e-74.0995e-81.9454e-81.1408e-81.3399e-62.3847e-71.5642e-81.9075e-944.5330
ORO IVEHZ2.4483e-62.6089e-71.0655e-72.6595e-81.5494e-86.8638e-64.4329e-72.4939e-85.2227e-945.571
ORO IVEHN2.5698e-62.8221e-71.2422e-74.1692e-81.7834e-85.4646e-64.7082e-73.4482e-87.6159e-945.571
ORO IVEHE4.8575e-65.5299e-71.5451e-74.4648e-82.4001e-87.4662e-66.5115e-74.7616e-81.0986e-845.571
*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)

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