MANUAL Location - Area: Alpi Cozie , magnitude (ML): 0.8
2025-11-26 19:21:33 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-11-27 08:40:05

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Earthquake info - Manual location
Event - ID :251126192054
Magnitude (ML) :0.8 +/- 0.2
Origin Time :2025-11-26 19:21:33.106 (UTC)
Location : Latitude: 44.583 N, Longitude: 6.681 E
Area :Alpi Cozie
Depth (km) :6.01
Distances (km) : 26.6 --- Bellino
27.2 --- Acceglio
27.9 --- Pontechianale
29.0 --- Argentera
30.8 --- Casteldelfino
31.6 --- Prazzo
32.7 --- Elva
34.8 --- Canosio
35.5 --- Marmora
36.3 --- Stroppo
38.5 --- Pietraporzio
39.9 --- Crissolo
40.1 --- Claviere
40.3 --- Sampeyre
40.5 --- Macra
41.0 --- Celle di Macra
41.3 --- Sambuco
41.7 --- Oncino
42.0 --- Ostana
42.1 --- Cesana Torinese

Quality location estimate: Erh: 0.9 km, Erz: 1.7 km, Nf: 28, Gap: 187 °, Rms: 0.19


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.
SURFFR2025-11-26 19:21:36.8400.01300.091.412025-11-26 19:21:39.2600.0551-0.191.1616.6
OGAGFR2025-11-26 19:21:38.4300.0180-0.021.602025-11-26 19:21:41.9600.0772-0.251.0526.4
PZZGU2025-11-26 19:21:40.2200.0231-0.011.612025-11-26 19:21:45.2100.1083-0.171.2636.3
RRLGU2025-11-26 19:21:40.9100.06330.021.572025-11-26 19:21:46.5400.11730.111.2339.4
ISOFR2025-11-26 19:21:43.2200.03210.181.042025-11-26 19:21:49.5800.1875-0.241.0553.6
BHBGU2025-11-26 19:21:43.4900.08030.210.942025-11-26 19:21:50.1200.3437-0.390.7954.3
STVGU2025-11-26 19:21:44.5780.02000.041.502025-11-26 19:21:52.0400.0400-0.440.6863.9
OGMOFR2025-11-26 19:21:45.6080.0200-0.330.862025-11-26 19:21:54.8400.2096-0.250.9969.8
ENRGU2025-11-26 19:21:45.6240.0200-0.091.442025-11-26 19:21:55.5690.04001.070.0070.9
RSPGU2025-11-26 19:21:47.3130.02000.021.452025-11-26 19:21:57.2450.0400-0.071.2278.3
SAOFFR2025-11-26 19:21:50.6370.02000.240.862025-11-26 19:22:01.4570.0400-0.990.2096.2
ESCAFR2025-11-26 19:21:51.0900.0200-0.111.322025-11-26 19:22:03.2900.0400-0.600.52100.4
LSDGU2025-11-26 19:21:51.8850.02000.220.922025-11-26 19:22:04.2570.0400-0.410.78104.1
MGROGU2025-11-26 19:21:51.2600.0542-1.110.132025-11-26 19:22:05.0200.6309-0.870.41108.2


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
OGAG FRHH0.616.46e-226.4334
PZZ GUHH0.991.44e-136.3104
RRL GUHH0.823.30e-239.413
ISO FRHH0.389.51e-353.6146
BHB GUHH0.852.47e-254.358
STV GUHH0.688.82e-363.9126
ENR GUHH0.942.62e-270.9124
RSP GUHH0.831.26e-278.336
SAOF FRHH0.796.75e-396.2133
ESCA FRHH0.969.11e-3100.4146
LSD GUHH1.019.28e-3104.120
MGRO GUHH0.855.80e-3108.2123


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.
(°)
OGAG FRHHZ2.7705e-67.3512e-74.7139e-72.4850e-71.0057e-71.0045e-51.8378e-61.3188e-71.5737e-826.4334
OGAG FRHHN3.8406e-67.6310e-74.5081e-71.8636e-77.4344e-81.2941e-51.7415e-61.0319e-71.8374e-826.4334
OGAG FRHHE4.4239e-69.2803e-75.7471e-72.3046e-71.2919e-71.2614e-52.5829e-61.7733e-72.6659e-826.4334
PZZ GUHHZ6.9270e-68.9936e-76.1533e-71.5591e-79.7088e-81.9440e-53.5703e-61.4903e-72.4367e-836.3104
PZZ GUHHN9.0664e-61.8184e-61.1712e-62.9891e-71.6902e-71.9153e-54.5679e-62.6843e-74.5407e-836.3104
PZZ GUHHE6.7300e-61.0824e-67.0229e-71.8980e-71.0380e-72.0803e-53.2871e-61.6676e-72.7149e-836.3104
RRL GUHHZ1.8410e-62.7827e-71.5652e-79.3723e-84.1694e-84.0062e-69.5840e-76.2757e-86.8939e-939.413
RRL GUHHN2.4015e-65.3996e-72.9876e-78.1038e-83.8607e-88.3814e-61.3122e-66.5743e-81.2358e-839.413
RRL GUHHE2.1278e-63.3092e-72.8474e-71.3542e-74.8027e-87.4518e-61.0795e-66.4745e-81.0532e-839.413
ISO FRHHZ2.1191e-62.9924e-71.0265e-72.7323e-81.5695e-83.3520e-62.7940e-72.4327e-85.8304e-953.6146
ISO FRHHN2.1364e-62.0065e-79.1288e-82.6876e-81.4151e-84.0789e-63.0318e-72.1018e-83.8334e-953.6146
ISO FRHHE2.1133e-62.3370e-78.8023e-83.3212e-81.5216e-82.2047e-62.4547e-72.6192e-84.9991e-953.6146
BHB GUHHZ2.6318e-63.5921e-71.9502e-75.6570e-82.6448e-88.6967e-67.1142e-74.1203e-87.7276e-954.358
BHB GUHHN2.1726e-63.3453e-72.3120e-76.5499e-83.4273e-85.5926e-61.2452e-65.4135e-88.2224e-954.358
BHB GUHHE2.1392e-62.7409e-71.4180e-75.0747e-82.3889e-84.5022e-67.5669e-73.7647e-87.7869e-954.358
STV GUHHZ1.3875e-61.8820e-79.1551e-83.6012e-81.9867e-84.2048e-63.2938e-72.9431e-83.4881e-963.9126
STV GUHHN1.6411e-61.5476e-77.8425e-82.9581e-82.0244e-82.6171e-63.2803e-72.5003e-83.8674e-963.9126
STV GUHHE1.5596e-62.1981e-78.3311e-82.4174e-81.4197e-83.1542e-63.6071e-72.5536e-83.7785e-963.9126
ENR GUHHZ2.6778e-63.3957e-71.4746e-75.4057e-83.0380e-87.1034e-66.4746e-74.0687e-87.9185e-970.9124
ENR GUHHN8.1905e-69.0493e-72.0703e-78.0032e-85.1918e-81.1814e-58.6140e-77.4786e-81.7329e-870.9124
ENR GUHHE6.9932e-67.8393e-72.1226e-75.5315e-83.5023e-88.0518e-67.1826e-75.8083e-81.4997e-870.9124
RSP GUHHZ1.0786e-61.3099e-79.2902e-84.9459e-82.1188e-82.7019e-64.3651e-72.8085e-83.8887e-978.336
RSP GUHHN1.4760e-62.1259e-71.2625e-75.1509e-81.9720e-83.5172e-63.4441e-72.3635e-85.5395e-978.336
RSP GUHHE1.1878e-61.8574e-71.1999e-73.4556e-81.5772e-84.4382e-64.2745e-72.4688e-84.6333e-978.336
SAOF FRHHZ4.2651e-71.0969e-77.6171e-83.2313e-82.2638e-87.5562e-77.1416e-74.0136e-83.4626e-996.2133
SAOF FRHHN4.7287e-76.9654e-85.0815e-83.0838e-82.1342e-88.1857e-73.2563e-73.2323e-82.5461e-996.2133
SAOF FRHHE3.7760e-77.7395e-86.0414e-83.0279e-82.5689e-81.0868e-64.5538e-74.6445e-82.6610e-996.2133
ESCA FRHHZ9.3728e-71.0801e-75.2233e-82.7202e-82.4740e-81.4154e-62.0273e-73.3495e-82.8711e-9100.4146
ESCA FRHHN8.3029e-79.7618e-85.6267e-83.1529e-82.1919e-81.4011e-62.2874e-73.8007e-83.2709e-9100.4146
ESCA FRHHE6.1800e-71.2759e-78.3797e-82.8277e-82.2860e-81.5843e-64.5254e-73.3448e-84.0989e-9100.4146
LSD GUHHZ4.4653e-71.0940e-76.4462e-82.7986e-81.2920e-81.4615e-63.2080e-71.9876e-82.1372e-9104.120
LSD GUHHN6.8652e-71.0503e-76.4920e-82.8733e-81.2412e-82.3703e-62.8293e-71.5332e-82.3690e-9104.120
LSD GUHHE6.0416e-71.2448e-79.1152e-82.8436e-81.4143e-81.8029e-64.6283e-71.8825e-83.2160e-9104.120
MGRO GUHHZ2.7045e-75.6843e-83.8369e-82.6799e-81.8733e-87.1380e-71.3823e-72.4061e-82.3716e-9108.2123
MGRO GUHHN4.1856e-76.5947e-83.3783e-82.6484e-82.5627e-89.0516e-71.6372e-74.2392e-83.2898e-9108.2123
MGRO GUHHE4.0417e-76.1689e-84.3514e-82.7510e-82.0407e-89.0109e-71.7781e-73.0552e-82.2804e-9108.2123
*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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