MANUAL Location - Area: Alpi Cozie , magnitude (ML): 0.7
2025-09-14 14:18:31 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-09-15 08:17:05

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Earthquake info - Manual location
Event - ID :250914141810
Magnitude (ML) :0.7 +/- 0.2
Origin Time :2025-09-14 14:18:31.795 (UTC)
Location : Latitude: 44.488 N, Longitude: 7.259 E
Area :Alpi Cozie
Depth (km) :11.35
Distances (km) : 0.3 --- San Damiano Macra
2.5 --- Cartignano
6.3 --- Celle di Macra
6.5 --- Macra
6.7 --- Roccabruna
7.8 --- Pradleves
8.5 --- Dronero
9.3 --- Valmala
9.5 --- Frassino
9.5 --- Castelmagno
9.6 --- Melle
9.7 --- Villar San Costanzo
10.1 --- Monterosso Grana
10.7 --- Stroppo
10.8 --- Montemale di Cuneo
11.5 --- Sampeyre
12.2 --- Brossasco
12.8 --- Valgrana
13.5 --- Marmora
13.7 --- Venasca

Quality location estimate: Erh: 0.9 km, Erz: 1.6 km, Nf: 32, Gap: 120 °, Rms: 0.26


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.
VINDIV2025-09-14 14:18:36.9240.02000.580.182025-09-14 14:18:39.5200.0400-0.011.5923.8
ENRGU2025-09-14 14:18:38.1900.01800.311.062025-09-14 14:18:42.1700.09720.061.5733.8
SURFFR2025-09-14 14:18:39.0700.01900.241.362025-09-14 14:18:43.6250.1123-0.350.9237.2
ISOFR2025-09-14 14:18:39.7300.02010.710.152025-09-14 14:18:44.1300.11530.201.3639.6
BHBGU2025-09-14 14:18:39.1200.02110.241.352025-09-14 14:18:43.5690.1002-0.161.3340.4
GBOSGU2025-09-14 14:18:41.7100.02810.281.192025-09-14 14:18:48.1500.22360.021.3455.1
TURFFR2025-09-14 14:18:43.7760.02001.240.082025-09-14 14:18:49.8600.2286-0.360.9659.1
SAOFFR2025-09-14 14:18:42.9050.02000.001.592025-09-14 14:18:50.3200.0400-0.470.7161.6
RRLGU2025-09-14 14:18:42.9560.02000.081.582025-09-14 14:18:50.5100.1002-0.211.2262.2
MLIGIV2025-09-14 14:18:43.5000.0200-0.221.202025-09-14 14:18:51.4000.0400-0.870.2466.0
MVIFFR2025-09-14 14:18:42.4500.0200-1.590.022025-09-14 14:18:52.5800.3177-0.340.9667.3
MGROGU2025-09-14 14:18:43.5700.0200-0.171.332025-09-14 14:18:51.1700.0400-1.140.1167.4
RSPGU2025-09-14 14:18:43.7480.0200-0.580.462025-09-14 14:18:54.3790.10021.090.1274.4
ESCAFR2025-09-14 14:18:44.9980.0200-0.071.512025-09-14 14:18:54.4000.2446-0.081.2274.6
ROROGU2025-09-14 14:18:45.1620.02000.051.592025-09-14 14:18:54.3100.4299-0.220.9777.5
IMIGU2025-09-14 14:18:46.0810.02000.101.552025-09-14 14:18:56.2700.26870.081.1882.6


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
ENR GUHH1.091.67e-133.8156
ISO FRHH0.814.74e-239.6206
BHB GUHH0.441.77e-240.41
GBOS GUHH0.709.74e-355.1121
TURF FRHH0.561.18e-259.1169
SAOF FRHH0.509.31e-361.6157
RRL GUHH0.638.44e-362.2323
MGRO GUHH0.579.19e-367.4138
RSP GUHH0.537.09e-374.40
ESCA FRHH0.699.61e-374.6173
RORO GUHH0.739.61e-377.5123
IMI GUHH1.022.18e-282.6142


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.
(°)
ENR GUHHZ2.3648e-52.2932e-64.9938e-72.6479e-71.0696e-71.8092e-52.3063e-61.9686e-74.8578e-833.8156
ENR GUHHN4.9320e-55.1298e-69.5550e-73.2186e-71.7644e-73.7391e-55.3334e-63.6964e-78.2202e-833.8156
ENR GUHHE6.0107e-54.7769e-69.8564e-72.7745e-71.4441e-74.5276e-55.5529e-63.0433e-76.9227e-833.8156
ISO FRHHZ5.8713e-66.4915e-72.5273e-78.4896e-85.4517e-89.2405e-61.0482e-69.3623e-81.6862e-839.6206
ISO FRHHN3.8676e-64.7888e-71.5960e-75.1173e-83.2229e-85.9837e-65.2315e-75.5571e-81.1701e-839.6206
ISO FRHHE6.4883e-61.0392e-63.3641e-79.5035e-85.8228e-81.4224e-51.4935e-69.9341e-81.9759e-839.6206
BHB GUHHZ5.4142e-65.5321e-71.8278e-73.9263e-82.8280e-81.1205e-57.0418e-76.5364e-81.2214e-840.41
BHB GUHHN3.6829e-63.9003e-71.5361e-73.5678e-82.1721e-87.0020e-68.3014e-73.8836e-86.9797e-940.41
BHB GUHHE5.5499e-64.5782e-71.2964e-74.0636e-82.5591e-86.4402e-67.1909e-75.3235e-89.4477e-940.41
GBOS GUHHZ2.1371e-62.5310e-71.0887e-73.2011e-81.6397e-85.7210e-63.9501e-72.5505e-85.4576e-955.1121
GBOS GUHHN1.4093e-61.7017e-78.1845e-82.9183e-81.4266e-84.0287e-62.8945e-71.8980e-84.3688e-955.1121
GBOS GUHHE1.3102e-61.9891e-78.9058e-83.0480e-81.6188e-84.4644e-62.5968e-72.9217e-84.3335e-955.1121
TURF FRHHZ8.4898e-71.0725e-76.5959e-83.0969e-82.3211e-81.8795e-62.7116e-73.0396e-83.5717e-959.1169
TURF FRHHN1.5208e-62.4650e-71.0859e-73.2669e-81.9975e-84.1412e-64.3803e-72.8939e-85.5958e-959.1169
TURF FRHHE6.7398e-71.0712e-78.5410e-83.3738e-82.4956e-82.7970e-64.6298e-73.1482e-82.8917e-959.1169
SAOF FRHHZ5.3149e-78.3605e-86.0406e-82.5245e-81.8354e-81.1371e-64.0115e-72.0164e-82.6416e-961.6157
SAOF FRHHN5.4309e-77.0962e-84.2591e-82.2731e-81.9315e-81.2715e-62.2609e-73.2462e-81.9694e-961.6157
SAOF FRHHE6.1803e-71.1525e-78.4535e-83.7148e-82.0004e-81.3202e-66.0017e-72.9186e-82.4465e-961.6157
RRL GUHHZ5.8428e-77.0364e-84.0992e-81.9631e-89.3937e-99.7333e-73.3375e-71.3208e-81.7015e-962.2323
RRL GUHHN7.4250e-71.2810e-78.9272e-82.5891e-81.3415e-82.3897e-65.1105e-72.2440e-83.0755e-962.2323
RRL GUHHE7.4674e-71.0411e-76.8753e-82.7474e-81.6053e-81.8464e-63.1951e-72.4775e-82.8837e-962.2323
MGRO GUHHZ5.1604e-77.5646e-84.6993e-82.5392e-81.8766e-89.9425e-73.2002e-73.2041e-82.4580e-967.4138
MGRO GUHHN1.1194e-69.6943e-87.1607e-83.6592e-82.4127e-81.7844e-63.7153e-73.3314e-83.0675e-967.4138
MGRO GUHHE1.7167e-61.5854e-77.8342e-83.9167e-82.4420e-82.0312e-65.6869e-74.7819e-83.2255e-967.4138
RSP GUHHZ7.1463e-71.0567e-74.6363e-81.5624e-89.7859e-91.8646e-61.6981e-71.6557e-82.4118e-974.40
RSP GUHHN1.0989e-61.4888e-76.5711e-82.0351e-81.1519e-82.9769e-62.1208e-72.0410e-83.2348e-974.40
RSP GUHHE9.6220e-71.5894e-76.8043e-82.2029e-81.1862e-82.7560e-63.0016e-72.0079e-83.2365e-974.40
ESCA FRHHZ7.9737e-78.9204e-85.8370e-82.4620e-81.5953e-81.1069e-62.4368e-72.2996e-82.5309e-974.6173
ESCA FRHHN1.1807e-61.5954e-77.2613e-82.9826e-82.0480e-83.2464e-62.6064e-72.6809e-83.7893e-974.6173
ESCA FRHHE8.4982e-71.4780e-78.3827e-82.9108e-82.4319e-81.9727e-63.3946e-73.2686e-83.5997e-974.6173
RORO GUHHZ1.2380e-61.7837e-77.2248e-82.6477e-82.0860e-83.7957e-64.2884e-73.4982e-83.8221e-977.5123
RORO GUHHN8.4795e-71.3274e-77.9350e-82.3206e-81.7585e-81.7190e-64.5464e-72.9787e-83.2838e-977.5123
RORO GUHHE1.1928e-61.4895e-78.0012e-82.4448e-81.3936e-84.0056e-64.1067e-72.2685e-83.6074e-977.5123
IMI GUHHZ9.9773e-71.0890e-76.1799e-84.5498e-83.4644e-81.6479e-63.6343e-75.0182e-83.3597e-982.6142
IMI GUHHN4.0638e-64.6458e-71.3895e-75.8037e-84.4621e-85.4733e-67.3894e-77.7186e-89.8591e-982.6142
IMI GUHHE2.0968e-61.9117e-78.5702e-83.2223e-83.1445e-83.7788e-63.6266e-75.8002e-84.7869e-982.6142
*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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