MANUAL Location - Area: Alpi Marittime , magnitude (ML): 1.3
2026-10-20 17:21:37 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2026-10-21 07:33:41

RSNI Logo

Earthquake info - Manual location
Event - ID :261020172113
Magnitude (ML) :1.3 +/- 0.2
Origin Time :2026-10-20 17:21:37.244 (UTC)
Location : Latitude: 44.410 N, Longitude: 6.841 E
Area :Alpi Marittime
Depth (km) :10.39
Distances (km) : 7.8 --- Argentera
13.9 --- Acceglio
16.9 --- Pietraporzio
18.9 --- Prazzo
19.9 --- Canosio
20.2 --- Sambuco
20.8 --- Marmora
23.6 --- Bellino
24.5 --- Elva
25.1 --- Stroppo
27.1 --- Casteldelfino
27.9 --- Pontechianale
28.1 --- Celle di Macra
28.6 --- Macra
28.7 --- Vinadio
29.5 --- Castelmagno
31.9 --- Aisone
33.5 --- Sampeyre
34.0 --- San Damiano Macra
34.9 --- Pradleves

Quality location estimate: Erh: 1.3 km, Erz: 1.8 km, Nf: 38, Gap: 174 °, Rms: 0.34


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.
SURFFR2026-10-20 17:21:40.2300.00600.021.492026-10-20 17:21:41.7630.3167-0.630.8713.2
PZZGU2026-10-20 17:21:42.7400.0120-0.021.492026-10-20 17:21:46.2500.0762-0.491.0927.0
VINDIV2026-10-20 17:21:43.1420.0200-0.251.112026-10-20 17:21:46.6690.0400-0.910.4230.6
PONCIV2026-10-20 17:21:43.2950.02000.200.672026-10-20 17:21:47.0190.0400-0.271.1930.6
ISOFR2026-10-20 17:21:43.4600.01500.021.472026-10-20 17:21:47.1000.0932-0.501.0732.2
STVGU2026-10-20 17:21:45.3700.02110.001.442026-10-20 17:21:50.7550.1334-0.101.2944.2
OGAGFR2026-10-20 17:21:45.9520.0200-0.570.982026-10-20 17:21:52.0800.1574-0.950.4849.7
ENRGU2026-10-20 17:21:46.5700.0251-0.081.362026-10-20 17:21:52.5680.4649-0.470.9151.4
RRLGU2026-10-20 17:21:47.6900.0291-0.341.182026-10-20 17:21:54.9100.3718-0.690.8158.3
BHBGU2026-10-20 17:21:48.0800.02910.170.912026-10-20 17:21:55.1800.1745-0.131.2358.9
MVIFFR2026-10-20 17:21:48.5950.0200-0.521.052026-10-20 17:21:56.3890.0400-1.230.2663.1
TURFFR2026-10-20 17:21:49.5170.02000.121.082026-10-20 17:21:57.5930.0400-0.361.1966.1
FENEIV2026-10-20 17:21:49.8860.0200-0.471.112026-10-20 17:21:58.1160.0400-1.290.2372.0
SAOFFR2026-10-20 17:21:51.1050.02000.190.832026-10-20 17:21:59.9850.0400-0.401.1474.6
ESCAFR2026-10-20 17:21:51.3080.0200-0.171.302026-10-20 17:22:01.0200.3017-0.371.0477.9
GBOSGU2026-10-20 17:21:51.6990.0200-0.031.332026-10-20 17:22:01.5000.2877-0.131.0682.4
MLIGIV2026-10-20 17:21:51.8470.0200-0.541.022026-10-20 17:22:01.5380.0400-1.330.2282.5
MGROGU2026-10-20 17:21:52.3820.0200-0.800.602026-10-20 17:22:04.2200.3477-0.020.9288.0
RSPGU2026-10-20 17:21:53.0700.0442-0.051.302026-10-20 17:22:03.5640.3487-0.580.8889.4


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.		 Dist. (km) Azimuth
PZZ GUHH1.193.95e-127.064
PONC IVHH1.614.89e-130.631
ISO FRHH1.051.23e-132.2146
STV GUHH1.541.37e-144.2115
OGAG FRHH1.034.94e-249.7331
ENR GUHH1.562.17e-151.4113
RRL GUHH0.972.09e-258.3356
BHB GUHH1.204.75e-258.935
TURF FRHH1.426.64e-266.1138
FENE IVHH1.012.15e-272.014
SAOF FRHH1.172.91e-274.6129
ESCA FRHH1.424.65e-277.9146
MGRO GUHH1.312.78e-288.0118
RSP GUHH1.423.68e-289.422


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.
(°)
PZZ GUHHZ4.0828e-55.3998e-62.5782e-66.7434e-73.4208e-79.7572e-51.3103e-55.6811e-71.1766e-727.064
PZZ GUHHN5.4770e-56.4373e-62.2965e-68.3391e-73.4001e-78.1064e-57.7799e-64.9463e-71.1905e-727.064
PZZ GUHHE6.1406e-57.9192e-63.2609e-61.0404e-64.9566e-71.0603e-41.6203e-59.1527e-71.9144e-727.064
PONC IVHHZ5.4152e-56.2420e-61.8331e-64.7098e-73.0513e-75.2470e-56.2936e-66.1723e-71.1773e-730.631
PONC IVHHN3.6598e-53.6751e-61.6286e-64.9642e-72.7415e-74.6204e-59.3948e-64.0407e-78.1782e-830.631
PONC IVHHE5.9793e-57.2057e-63.7856e-61.2920e-66.5645e-78.3744e-51.7923e-51.0736e-62.0223e-730.631
ISO FRHHZ2.6232e-52.9801e-66.7176e-72.1823e-71.1034e-73.1391e-52.3874e-62.4285e-76.2575e-832.2146
ISO FRHHN3.3317e-53.2609e-67.7430e-72.4080e-71.4200e-73.0806e-52.4720e-62.4693e-76.0559e-832.2146
ISO FRHHE3.1162e-53.1545e-66.4491e-72.2973e-71.5299e-72.6383e-52.0345e-62.8825e-76.1867e-832.2146
STV GUHHZ2.2590e-52.8490e-61.1622e-63.9799e-72.3773e-72.4861e-55.1514e-63.8976e-76.0403e-844.2115
STV GUHHN2.6481e-52.6833e-69.7337e-72.6486e-71.3663e-75.3723e-53.1995e-62.6863e-76.4735e-844.2115
STV GUHHE1.5095e-52.8385e-61.0803e-62.7585e-71.6806e-74.7053e-54.8148e-62.6546e-75.9903e-844.2115
OGAG FRHHZ2.4340e-65.8943e-73.8317e-71.2186e-75.8981e-85.9427e-62.2157e-68.3980e-81.2604e-849.7331
OGAG FRHHN2.1108e-65.3473e-73.7026e-71.0646e-75.1083e-89.5980e-62.1647e-68.6140e-81.2319e-849.7331
OGAG FRHHE3.8546e-66.5922e-74.9158e-71.7450e-77.6457e-86.3004e-62.8924e-61.1526e-71.6688e-849.7331
ENR GUHHZ3.1218e-52.8778e-61.0513e-62.9786e-71.2366e-74.0975e-53.0808e-62.3083e-75.6598e-851.4113
ENR GUHHN5.9755e-56.3074e-61.5101e-65.7066e-73.0010e-77.1344e-56.6152e-65.1685e-71.1222e-751.4113
ENR GUHHE4.7520e-54.7400e-61.3147e-64.1084e-71.9357e-74.6334e-54.4715e-63.6848e-79.8649e-851.4113
RRL GUHHZ4.2235e-64.5913e-71.0508e-75.0872e-82.4258e-84.5202e-65.3894e-73.2640e-85.4654e-958.3356
RRL GUHHN2.4643e-62.4746e-71.7814e-76.4712e-82.7093e-84.5130e-61.1130e-63.6553e-85.8230e-958.3356
RRL GUHHE2.7587e-62.3995e-71.7091e-79.5849e-87.0334e-84.2815e-66.8180e-71.0015e-72.5646e-858.3356
BHB GUHHZ7.6763e-69.3132e-74.1893e-71.0928e-76.4539e-82.7410e-51.2620e-61.1216e-72.0234e-858.935
BHB GUHHN5.2303e-67.7809e-74.5613e-71.1449e-75.3508e-82.2270e-52.4837e-68.9039e-81.9156e-858.935
BHB GUHHE8.0616e-68.6788e-73.6172e-71.0176e-75.0216e-81.3712e-51.8695e-69.3840e-81.7582e-858.935
TURF FRHHZ4.6544e-65.5757e-73.2836e-79.9413e-84.8473e-87.2993e-61.4248e-67.2122e-81.7206e-866.1138
TURF FRHHN6.4164e-61.0111e-65.8245e-71.7989e-78.6123e-82.0796e-52.2678e-61.2863e-72.6262e-866.1138
TURF FRHHE3.7269e-66.1225e-74.4788e-71.4316e-77.2284e-89.4366e-62.5809e-61.1783e-71.5262e-866.1138
FENE IVHHZ3.1981e-64.0066e-71.9085e-75.7376e-83.1133e-85.8178e-68.9025e-74.9001e-81.0029e-872.014
FENE IVHHN3.4131e-64.1855e-72.1978e-76.5473e-82.9070e-85.3616e-67.6656e-74.6697e-88.6304e-972.014
FENE IVHHE2.8036e-64.1416e-72.0321e-76.4354e-83.1785e-86.8387e-68.9090e-74.9887e-88.5974e-972.014
SAOF FRHHZ1.9457e-63.5115e-72.9102e-71.1588e-74.8117e-84.5251e-61.7415e-67.4442e-88.7443e-974.6129
SAOF FRHHN2.0394e-63.4075e-72.5173e-71.0299e-74.4443e-84.0835e-61.3585e-65.8440e-89.4918e-974.6129
SAOF FRHHE2.1091e-64.3399e-72.7482e-71.0066e-75.3210e-84.9686e-61.4775e-67.3993e-88.9687e-974.6129
ESCA FRHHZ2.6355e-65.0530e-73.2707e-71.0546e-74.8289e-85.0773e-61.6903e-67.7301e-81.1932e-877.9146
ESCA FRHHN6.3437e-67.7970e-73.2587e-79.5531e-84.9643e-81.4045e-51.5489e-68.5663e-81.6249e-877.9146
ESCA FRHHE3.9829e-68.0121e-74.1540e-79.9924e-86.2061e-89.3448e-62.3129e-69.5735e-81.6760e-877.9146
GBOS GUHHZ6.7669e-61.3082e-65.8860e-71.8587e-71.2384e-72.1890e-52.4209e-62.0110e-72.6842e-882.4103
GBOS GUHHN5.1741e-66.8235e-74.8003e-71.7390e-79.7048e-81.2560e-52.2032e-61.2803e-71.6110e-882.4103
GBOS GUHHE6.9077e-61.3627e-66.5903e-71.9411e-78.9455e-82.8342e-52.9495e-61.5885e-72.9808e-882.4103
MGRO GUHHZ1.1626e-62.2767e-71.8303e-71.4200e-75.2582e-83.3113e-61.0066e-66.5566e-87.0593e-988.0118
MGRO GUHHN2.1934e-63.7124e-72.6288e-71.4285e-76.0891e-87.8646e-61.6299e-61.0232e-78.6310e-988.0118
MGRO GUHHE2.6512e-63.4360e-72.2829e-71.0878e-74.4087e-84.7226e-61.3248e-64.8423e-88.9255e-988.0118
RSP GUHHZ1.9576e-63.3118e-71.6921e-76.3205e-82.3473e-85.7759e-65.9452e-73.3673e-87.6470e-989.422
RSP GUHHN2.5942e-65.5757e-73.1391e-79.8767e-83.7690e-86.5689e-61.3492e-65.4047e-81.2937e-889.422
RSP GUHHE2.3522e-65.0155e-73.0012e-71.0175e-74.6381e-87.3097e-61.1251e-67.9867e-81.3093e-889.422
*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
 
Disclaimer & Privacy

IT Italiano
UniGE-Distav
Search
HTML5 Powered