AUTOMATIC Location - Area: Alpi Marittime , magnitude (ML): 1.0
2026-05-13 22:50:13 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2026-05-13 22:54:39

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Earthquake info - RsniPicker2 automatic location
Event - ID :260513224948
Magnitude (ML) :1.0 +/- 0.3
Origin Time :2026-05-13 22:50:13.88 (UTC)
Location : Latitude: 44.085 N, Longitude: 7.312 E
Area :Alpi Marittime
Depth (km) :14.98
Distances (km) : 18.7 --- Entracque (CN)
22.6 --- Valdieri (CN)
23.6 --- Roaschia (CN)
24.8 --- Limone Piemonte (CN)
25.2 --- Vernante (CN)
25.7 --- Demonte (CN)
26.5 --- Aisone (CN)
27.0 --- Moiola (CN)
27.2 --- Vinadio (CN)
28.0 --- Olivetta San Michele (IM)
28.4 --- Robilante (CN)
28.7 --- Valloriate (CN)
29.0 --- Gaiola (CN)
29.0 --- Roccavione (CN)
30.4 --- Roccasparvera (CN)
30.4 --- Rittana (CN)
30.6 --- Airole (IM)
30.9 --- Borgo San Dalmazzo (CN)
31.6 --- Rocchetta Nervina (IM)
32.8 --- Pigna (IM)

Quality location estimate:
Erh: 0.9 km, Erz: 2.8 km, Nf: 25, Gap: 86°, Rms: 0.338 s
Stazioni validate: 14


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.
STVGU2026-05-13 22:50:18.2990.0120-0.021.872026-05-13 22:50:20.7700.0701-0.600.9223.3
ENRGU2026-05-13 22:50:18.4500.01200.091.342026-05-13 22:50:21.0400.0711-0.430.9923.5
SAOFFR2026-05-13 22:50:19.3400.0140-0.031.772026-05-13 22:50:22.2500.0811-1.050.4926.8
ISOFR2026-05-13 22:50:19.4000.01400.290.092026-05-13 22:50:22.1700.0841-0.590.9527.9
MVIFFR2026-05-13 22:50:19.5800.02000.011.902026-05-13 22:50:22.7400.0861-1.030.5028.8
ESCAFR2026-05-13 22:50:20.2000.01600.061.672026-05-13 22:50:24.0300.0971-0.580.9532.4
BIGNGU--:---.-----.---.--2026-05-13 22:50:27.0300.5803-0.990.6044.2
GBOSGU2026-05-13 22:50:22.7000.02400.001.692026-05-13 22:50:28.3700.1442-0.311.0748.0
PZZGU2026-05-13 22:50:23.2300.0260-0.380.912026-05-13 22:50:29.3390.1552-1.040.5251.6
IMIGU--:---.-----.---.--2026-05-13 22:50:29.7500.1582-0.550.9552.6
SURFFR2026-05-13 22:50:24.9690.0310-0.011.542026-05-13 22:50:32.4390.1832-0.271.1161.1
EILFFR--:---.-----.---.--2026-05-13 22:50:32.1190.3832-0.710.8263.3
QLNOIV--:---.-----.---.--2026-05-13 22:50:39.4300.4142-1.080.5387.9
RRLGU2026-05-13 22:50:31.8400.0521-0.111.232026-05-13 22:50:43.7090.7393-0.930.58102.8
PCPGU2026-05-13 22:50:33.7300.05611.100.00--:---.-----.---.-- 111.5


RsniPicker2 - Automatic magnitude (ML) calculation results
Station Net Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth Used
STV GU0.901.14e-123.34SI
ENR GU1.407.41e-123.528SI
SAOF FR0.504.94e-226.8119SI
ISO FR0.706.59e-227.9298SI
GBOS GU1.305.47e-248.068SI
PZZ GU0.703.43e-251.6342SI
IMI GU1.006.03e-252.6112SI
QLNO IV0.901.12e-287.972SI
RRL GU1.107.45e-3102.8336SI


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.
(°)
STV GUHHZ1.2388e-51.2351e-60.0000e+05.8818e-79.9783e-71.3835e-61.2750e-52.0361e-61.2787e-72.3682e-823.34
STV GUHHN2.0251e-51.9709e-60.0000e+07.1581e-71.2906e-61.2906e-61.8653e-51.6877e-61.5198e-72.5435e-823.34
STV GUHHE2.0416e-51.8756e-60.0000e+07.5201e-71.4114e-62.0370e-61.7829e-51.8901e-61.4472e-73.6074e-823.34
ENR GUHHZ4.6774e-54.4090e-60.0000e+01.1578e-62.3762e-63.5572e-62.1406e-53.1008e-62.2576e-75.1436e-823.528
ENR GUHHN1.9232e-41.3729e-50.0000e+05.2976e-61.0959e-51.0959e-51.0452e-48.4930e-69.0082e-72.4666e-723.528
ENR GUHHE1.9813e-41.7260e-50.0000e+05.9573e-61.2828e-51.9770e-51.0017e-47.9380e-69.2203e-72.8052e-723.528
SAOF FRHHE1.9813e-41.7260e-50.0000e+05.9573e-61.2828e-51.9770e-51.0017e-47.9380e-69.2203e-72.8052e-726.8119
ISO FRHHZ5.7166e-66.0605e-70.0000e+03.0161e-75.2493e-77.5587e-75.9313e-61.0574e-66.5585e-81.2503e-827.9298
ISO FRHHN1.1968e-51.2217e-60.0000e+06.7674e-71.2409e-61.2409e-61.1535e-52.2570e-61.5683e-72.5903e-827.9298
ISO FRHHE7.7851e-66.8545e-70.0000e+02.5205e-75.3307e-77.9149e-75.0491e-67.0106e-76.1887e-81.1037e-827.9298
GBOS GUHHZ7.9170e-61.0300e-60.0000e+05.1121e-79.6890e-71.3916e-61.1745e-59.6512e-71.7452e-72.3469e-848.068
GBOS GUHHN6.6379e-69.7111e-70.0000e+04.3560e-78.1680e-78.1680e-78.9381e-61.2727e-61.2295e-71.6279e-848.068
GBOS GUHHE7.8421e-68.2189e-70.0000e+04.7291e-79.2267e-71.3243e-61.0132e-59.7729e-71.2670e-72.1637e-848.068
PZZ GUHHZ3.1036e-64.4323e-70.0000e+03.1705e-75.2759e-77.3809e-77.4183e-67.8527e-71.0562e-71.1289e-851.6342
PZZ GUHHN3.8469e-64.6511e-70.0000e+03.3260e-75.7083e-75.7083e-77.3123e-61.0800e-61.0466e-71.2895e-851.6342
PZZ GUHHE2.9813e-65.0582e-70.0000e+03.8577e-76.4377e-78.9488e-76.2926e-61.3864e-61.1752e-71.5135e-851.6342
IMI GUHHZ4.2314e-65.4333e-70.0000e+01.6954e-72.9591e-74.3092e-73.5418e-63.3888e-79.5393e-81.0947e-852.6112
IMI GUHHN7.0483e-61.2845e-60.0000e+03.4082e-76.0535e-76.0535e-79.8805e-69.1516e-71.6295e-72.1294e-852.6112
IMI GUHHE5.4901e-68.4819e-70.0000e+03.0146e-75.1016e-77.1564e-76.1817e-69.8927e-79.8969e-81.0848e-852.6112
QLNO IVHHZ4.9741e-79.6584e-80.0000e+05.4620e-81.1928e-72.0438e-71.1551e-62.8398e-79.6334e-89.4504e-987.972
QLNO IVHHN1.3417e-61.4287e-70.0000e+09.0806e-81.6246e-71.6246e-73.3439e-63.1044e-71.2652e-71.0555e-887.972
QLNO IVHHE9.5819e-71.1422e-70.0000e+07.3146e-81.7000e-72.8630e-71.7586e-62.4648e-78.4586e-88.8113e-987.972
RRL GUHHZ2.3854e-73.8949e-80.0000e+02.1472e-85.5268e-89.5477e-84.8517e-78.1199e-84.9811e-85.4076e-9102.8336
RRL GUHHN3.0010e-76.3462e-80.0000e+04.2938e-89.5884e-89.5884e-89.5933e-72.1919e-77.3769e-87.5561e-9102.8336
RRL GUHHE2.7339e-75.4529e-80.0000e+03.2510e-87.0302e-81.2981e-77.9504e-71.1511e-77.8344e-85.2252e-9102.8336
PCP GUHHZ1.1066e-61.0810e-70.0000e+06.9873e-81.3838e-72.1179e-71.1958e-63.0479e-78.0452e-87.3476e-9111.5-1
PCP GUHHN7.6857e-71.0101e-70.0000e+05.8588e-81.3245e-71.3245e-71.0814e-62.8004e-71.3718e-78.9309e-9111.5-1
PCP GUHHE6.4341e-71.1035e-70.0000e+06.9037e-81.3266e-72.2752e-71.6940e-63.7731e-77.7502e-81.0269e-8111.5-1
*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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