AUTOMATIC Location - Area: Alpi Marittime , magnitude (ML): 0.4
2025-07-18 23:37:48 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-07-18 23:42:19

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Earthquake info - RsniPicker2 automatic location
Event - ID :250718233721
Magnitude (ML) :0.4 +/- 0.3
Origin Time :2025-07-18 23:37:48.23 (UTC)
Location : Latitude: 44.258 N, Longitude: 7.360 E
Area :Alpi Marittime
Depth (km) :14.58
Distances (km) : 3.6 --- Entracque (CN)
3.7 --- Valdieri (CN)
7.4 --- Moiola (CN)
7.8 --- Roaschia (CN)
8.2 --- Demonte (CN)
9.1 --- Valloriate (CN)
9.5 --- Gaiola (CN)
10.9 --- Rittana (CN)
11.4 --- Roccasparvera (CN)
11.6 --- Roccavione (CN)
12.9 --- Aisone (CN)
12.9 --- Robilante (CN)
13.2 --- Borgo San Dalmazzo (CN)
14.0 --- Vernante (CN)
14.5 --- Vignolo (CN)
15.5 --- Bernezzo (CN)
15.9 --- Vinadio (CN)
16.5 --- Cervasca (CN)
17.1 --- Monterosso Grana (CN)
17.3 --- Valgrana (CN)

Quality location estimate:
Erh: 1.4 km, Erz: 1.1 km, Nf: 25, Gap: 127°, Rms: 0.268 s
Stazioni validate: 16


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.
STVGU2025-07-18 23:37:51.1600.0090-0.031.882025-07-18 23:37:52.9590.0450-0.260.8514.9
ENRGU2025-07-18 23:37:51.4500.01000.071.612025-07-18 23:37:53.5490.0470-0.011.8815.6
ISOFR2025-07-18 23:37:53.8400.01500.001.972025-07-18 23:37:57.0600.0891-0.590.4629.8
TURFFR2025-07-18 23:37:55.2790.02000.390.162025-07-18 23:37:59.7990.10420.161.0434.8
PZZGU2025-07-18 23:37:54.1600.0170-1.110.30--:---.-----.---.-- 36.8
SAOFFR--:---.-----.---.--2025-07-18 23:38:00.0600.1112-0.181.2436.9
GBOSGU2025-07-18 23:37:55.6300.0220-0.011.852025-07-18 23:38:00.6080.3812-0.070.9541.0
MGROGU2025-07-18 23:37:56.5400.0250-0.320.842025-07-18 23:38:02.4700.1362-0.490.6845.5
MVIFFR2025-07-18 23:37:56.9390.02500.031.742025-07-18 23:38:02.6700.1382-0.550.6045.8
ESCAFR--:---.-----.---.--2025-07-18 23:38:03.9490.14920.101.1349.7
SURFFR2025-07-18 23:37:56.7000.0250-1.080.312025-07-18 23:38:02.8200.1562-1.720.0652.1
BIGNGU--:---.-----.---.--2025-07-18 23:38:04.7000.3142-0.350.9054.6
BURYGU--:---.-----.---.--2025-07-18 23:38:04.7100.5453-1.330.2857.1
IMIGU2025-07-18 23:37:58.8100.03200.031.622025-07-18 23:38:06.0490.1782-0.201.1359.3
ROROGU--:---.-----.---.--2025-07-18 23:38:06.2390.1812-0.191.1460.4
EILFFR--:---.-----.---.--2025-07-18 23:38:11.5400.4492-1.050.3982.3


RsniPicker2 - Automatic magnitude (ML) calculation results
Station Net Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth Used
STV GU0.701.68e-114.9243SI
ENR GU0.803.42e-115.6124SI
ISO FR0.201.90e-229.8252SI
PZZ GU0.302.75e-236.8325SI
SAOF FR0.109.86e-336.9153SI
GBOS GU0.701.65e-241.093SI
MGRO GU0.106.46e-345.5124SI
BURY GU0.409.48e-357.1163SI
IMI GU0.701.99e-259.3132SI
RORO GU0.306.95e-360.4106SI


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 GUHHZ1.7557e-51.8302e-60.0000e+03.5723e-76.5185e-79.3282e-79.6594e-61.1575e-66.5469e-81.3152e-814.9243
STV GUHHN5.5030e-56.4375e-60.0000e+04.6780e-79.5239e-79.5239e-79.8686e-61.0469e-68.6707e-82.3234e-814.9243
STV GUHHE1.7764e-51.7893e-60.0000e+04.1421e-77.8285e-71.1460e-68.2893e-67.0603e-78.0700e-81.6150e-814.9243
ENR GUHHZ7.0256e-54.3542e-60.0000e+06.4797e-71.2630e-61.8750e-61.9201e-51.4948e-61.0453e-72.6521e-815.6124
ENR GUHHN1.6254e-41.3763e-50.0000e+02.3686e-64.9711e-64.9711e-64.3900e-52.9070e-63.6207e-71.0676e-715.6124
ENR GUHHE1.7634e-41.5772e-50.0000e+01.7791e-63.5842e-65.3984e-63.2615e-52.4422e-63.0542e-78.3811e-815.6124
ISO FRHHZ2.3948e-62.0555e-70.0000e+05.6134e-81.0330e-71.5029e-71.6676e-61.9102e-71.3099e-82.5251e-929.8252
ISO FRHHN5.7139e-64.2895e-70.0000e+01.0710e-72.2047e-72.2047e-72.4528e-62.5567e-72.6857e-83.8407e-929.8252
ISO FRHHE5.8285e-65.3953e-70.0000e+08.5989e-81.8366e-72.7970e-72.2075e-61.5967e-71.6412e-84.2421e-929.8252
PZZ GUHHZ3.2318e-64.6437e-70.0000e+03.3948e-75.9695e-78.3250e-75.8581e-61.3749e-67.6758e-81.0008e-836.8325
PZZ GUHHN3.9870e-63.8220e-70.0000e+02.6160e-74.3659e-74.3659e-75.2303e-61.2427e-67.8708e-88.9518e-936.8325
PZZ GUHHE3.0085e-64.5362e-70.0000e+02.9385e-75.5177e-77.7262e-74.5639e-69.7557e-75.7664e-81.0500e-836.8325
SAOF FRHHE3.0085e-64.5362e-70.0000e+02.9385e-75.5177e-77.7262e-74.5639e-69.7557e-75.7664e-81.0500e-836.9153
GBOS GUHHZ1.2826e-62.5563e-70.0000e+01.2681e-72.3565e-73.4649e-74.7622e-62.2825e-73.2022e-85.6750e-941.093
GBOS GUHHN9.0435e-71.4410e-70.0000e+09.5397e-81.6201e-71.6201e-71.9585e-62.7555e-73.8648e-83.8960e-941.093
GBOS GUHHE1.1666e-61.9490e-70.0000e+01.4310e-72.5448e-73.5877e-74.4651e-63.5987e-73.1782e-85.4078e-941.093
MGRO GUHHZ4.6434e-77.0185e-80.0000e+04.0486e-88.0854e-81.1136e-71.0136e-61.4230e-72.3913e-84.2985e-945.5124
MGRO GUHHN8.4621e-79.7983e-80.0000e+05.7645e-81.1248e-71.1248e-71.8080e-62.0735e-73.6798e-83.8272e-945.5124
MGRO GUHHE5.9598e-77.3353e-80.0000e+04.6679e-88.6126e-81.2471e-71.3529e-61.4502e-73.5157e-84.0916e-945.5124
BURY GUHHZ8.7430e-71.3501e-70.0000e+07.2364e-81.4811e-72.2258e-72.9135e-62.5792e-77.7038e-84.7492e-957.1163
BURY GUHHN9.2431e-71.3094e-70.0000e+07.7568e-81.5106e-71.5106e-72.9859e-63.6667e-76.5877e-85.8906e-957.1163
BURY GUHHE1.0467e-61.4563e-70.0000e+09.8271e-81.8944e-72.7821e-73.1523e-63.8401e-76.3581e-86.1513e-957.1163
IMI GUHHZ7.2638e-71.0342e-70.0000e+05.0188e-89.9238e-81.4349e-71.6905e-61.4132e-74.1456e-84.6591e-959.3132
IMI GUHHN2.9896e-63.8689e-70.0000e+01.8587e-73.4517e-73.4517e-74.8727e-63.1029e-75.3509e-88.6095e-959.3132
IMI GUHHE2.2374e-62.9504e-70.0000e+01.2206e-72.2548e-73.2435e-72.8815e-63.0814e-72.7568e-84.7158e-959.3132
RORO GUHHZ5.8029e-78.3782e-80.0000e+06.1805e-81.0336e-71.5098e-71.2057e-63.0934e-72.4979e-83.6313e-960.4106
RORO GUHHN8.1908e-71.0179e-70.0000e+07.0974e-81.2261e-71.2261e-71.3505e-63.1218e-71.8525e-82.6297e-960.4106
RORO GUHHE6.7431e-78.2070e-80.0000e+05.8073e-89.4570e-81.3225e-71.1474e-62.1996e-72.0741e-82.8199e-960.4106
*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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