MANUAL Location - Area: Alpi Cozie , magnitude (ML): 0.6
2025-05-06 21:24:10 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-05-07 07:03:57

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Earthquake info - Manual location
Event - ID :250506212345
Magnitude (ML) :0.6 +/- 0.2
Origin Time :2025-05-06 21:24:10.705 (UTC)
Location : Latitude: 44.491 N, Longitude: 7.293 E
Area :Alpi Cozie
Depth (km) :9.15
Distances (km) : 1.4 --- Cartignano
3.0 --- San Damiano Macra
4.1 --- Roccabruna
6.1 --- Dronero
7.0 --- Villar San Costanzo
7.4 --- Valmala
7.9 --- Pradleves
8.4 --- Melle
8.8 --- Montemale di Cuneo
9.0 --- Celle di Macra
9.1 --- Macra
9.3 --- Frassino
9.3 --- Monterosso Grana
10.5 --- Brossasco
11.0 --- Castelmagno
11.1 --- Valgrana
11.5 --- Venasca
12.6 --- Rossana
12.8 --- Sampeyre
12.9 --- Isasca

Quality location estimate: Erh: 0.8 km, Erz: 1.6 km, Nf: 38, Gap: 90 °, 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.
PZZGU2025-05-06 21:24:14.5700.01000.311.062025-05-06 21:24:16.7140.0611-0.081.5217.7
VINDIV2025-05-06 21:24:15.3740.02000.031.572025-05-06 21:24:18.0770.0400-0.510.6024.0
STVGU2025-05-06 21:24:16.4400.02000.380.842025-05-06 21:24:19.6450.0932-0.121.3529.2
ENRGU2025-05-06 21:24:16.9300.01700.331.042025-05-06 21:24:20.6670.1033-0.021.4732.4
SURFFR2025-05-06 21:24:18.0100.0200-0.091.492025-05-06 21:24:22.7900.1173-0.710.4439.2
BHBGU2025-05-06 21:24:17.9300.05020.241.122025-05-06 21:24:22.4200.1755-0.031.3439.6
ISOFR2025-05-06 21:24:18.4930.02000.400.712025-05-06 21:24:23.0600.1354-0.051.3840.4
GBOSGU2025-05-06 21:24:19.9940.02000.031.542025-05-06 21:24:26.5900.16950.251.0852.5
TURFFR2025-05-06 21:24:21.5440.02000.181.242025-05-06 21:24:28.2900.3047-0.660.5958.6
SAOFFR2025-05-06 21:24:21.1470.0200-0.500.622025-05-06 21:24:28.7890.1865-0.590.6160.5
RRLGU2025-05-06 21:24:21.9300.0361-0.001.532025-05-06 21:24:29.5280.2106-0.340.9463.2
MLIGIV2025-05-06 21:24:22.0960.0200-0.320.822025-05-06 21:24:29.5580.0400-1.230.1564.6
MGROGU2025-05-06 21:24:22.2680.0200-0.121.382025-05-06 21:24:29.9400.4128-0.790.5165.4
MVIFFR2025-05-06 21:24:23.2200.02000.181.272025-05-06 21:24:31.0510.1303-0.900.3367.6
ESCAFR2025-05-06 21:24:24.0700.03810.141.352025-05-06 21:24:33.0870.3287-0.171.0174.2
ROROGU2025-05-06 21:24:23.7320.02000.021.502025-05-06 21:24:32.7700.2326-0.021.1675.1
IMIGU2025-05-06 21:24:24.6720.0200-0.011.482025-05-06 21:24:34.1740.3087-0.510.7580.9
CANOGU2025-05-06 21:24:25.1080.0200-0.231.102025-05-06 21:24:34.6700.6369-0.950.4582.0
PCPGU2025-05-06 21:24:26.0200.6619-1.620.162025-05-06 21:24:40.2680.69490.570.5199.9


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
PZZ GUHH0.622.33e-117.7277
STV GUHH0.805.65e-229.2174
BHB GUHH0.311.37e-239.6357
ISO FRHH0.371.63e-240.4210
GBOS GUHH0.971.96e-252.5122
TURF FRHH0.316.78e-358.6172
SAOF FRHH0.306.12e-360.5159
RRL GUHH0.668.67e-363.2320
MGRO GUHH0.731.40e-265.4140
ESCA FRHH0.607.85e-374.2175
RORO GUHH0.709.69e-375.1124
IMI GUHH0.851.57e-280.9143
PCP GUHH1.031.17e-299.986


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 GUHHZ2.6307e-54.8159e-61.8268e-65.3548e-72.8494e-76.1178e-57.9633e-65.3646e-71.1479e-717.7277
PZZ GUHHN2.8676e-53.9123e-61.8157e-65.1486e-73.1429e-78.0125e-56.4959e-65.3374e-79.4601e-817.7277
PZZ GUHHE3.0208e-53.9571e-61.6299e-65.0472e-72.7696e-74.7778e-57.4588e-64.6169e-78.5131e-817.7277
STV GUHHZ6.4808e-69.6552e-73.4765e-71.2441e-76.4562e-81.6695e-51.1900e-61.0167e-72.1745e-829.2174
STV GUHHN7.3350e-68.1781e-73.4666e-71.0853e-75.0897e-81.2793e-51.5046e-68.3173e-81.6782e-829.2174
STV GUHHE1.2949e-51.4362e-64.7397e-79.4125e-85.5738e-84.0627e-51.4084e-61.0532e-72.8521e-829.2174
ENR GUHHZ3.4014e-52.7273e-61.0588e-65.3723e-72.3700e-72.9317e-55.4841e-63.7407e-76.0341e-832.4161
ENR GUHHN9.9528e-59.5922e-61.8727e-65.8555e-73.1453e-79.7812e-57.9076e-67.1872e-72.0576e-732.4161
ENR GUHHE9.7198e-59.8335e-62.8314e-67.9125e-74.6464e-77.5399e-51.3785e-59.5450e-72.0681e-732.4161
BHB GUHHZ2.5209e-62.9701e-71.1157e-74.9306e-83.8278e-85.2039e-64.2012e-77.5764e-89.5517e-939.6357
BHB GUHHN2.2468e-62.8685e-71.2237e-73.7246e-82.0738e-84.0404e-63.7765e-73.5322e-86.4286e-939.6357
BHB GUHHE2.0294e-62.2663e-79.0470e-84.1398e-81.6234e-84.0358e-63.3996e-72.7533e-85.6297e-939.6357
ISO FRHHZ2.0484e-63.0342e-79.0516e-82.6697e-81.6615e-82.6598e-64.2622e-73.1187e-85.2636e-940.4210
ISO FRHHN1.9318e-62.0005e-76.5101e-82.1708e-81.3195e-83.4572e-62.9074e-72.1170e-84.2166e-940.4210
ISO FRHHE2.3693e-63.9187e-71.2264e-73.5917e-82.1323e-84.1658e-65.2588e-73.1628e-87.8275e-940.4210
GBOS GUHHZ1.6396e-62.1744e-71.1483e-72.8630e-81.7182e-84.2309e-65.7683e-72.8799e-85.5800e-952.5122
GBOS GUHHN1.6464e-62.2038e-71.6507e-71.3146e-79.2324e-83.4043e-68.7111e-71.3508e-78.6806e-952.5122
GBOS GUHHE1.3083e-62.7222e-71.6032e-73.6501e-82.2913e-84.2716e-68.0202e-73.9103e-87.1180e-952.5122
TURF FRHHZ7.4288e-78.8206e-85.0445e-81.9485e-81.5610e-81.6131e-62.0472e-72.1731e-82.1199e-958.6172
TURF FRHHN7.4429e-79.6882e-85.3762e-82.7520e-82.3357e-82.0780e-62.0511e-72.7266e-82.5424e-958.6172
TURF FRHHE6.8490e-78.9513e-86.1300e-82.8875e-82.2222e-82.5024e-62.8526e-73.1388e-82.4502e-958.6172
SAOF FRHHZ4.5176e-77.3043e-83.9703e-82.4696e-81.9963e-81.0318e-61.8235e-72.4775e-81.7491e-960.5159
SAOF FRHHN4.8231e-78.3934e-84.7566e-82.3150e-81.7157e-81.5110e-62.1110e-72.0473e-82.4476e-960.5159
SAOF FRHHE4.8213e-78.4465e-85.0629e-82.6271e-81.8276e-81.3255e-62.6906e-72.4387e-82.2929e-960.5159
RRL GUHHZ5.4301e-77.6541e-85.2747e-82.2397e-81.3032e-81.4378e-63.2293e-71.5826e-81.8922e-963.2320
RRL GUHHN6.8262e-71.0506e-79.5032e-83.2155e-81.5359e-82.5457e-65.4765e-72.5014e-82.8751e-963.2320
RRL GUHHE6.0420e-71.0624e-78.2595e-83.6559e-81.4268e-81.9872e-64.5145e-71.8900e-82.5444e-963.2320
MGRO GUHHZ6.2655e-78.6365e-87.6614e-84.9845e-81.6103e-88.4057e-73.6152e-72.2079e-82.6471e-965.4140
MGRO GUHHN7.0144e-71.3496e-79.3513e-85.4432e-82.4735e-81.9050e-63.0094e-73.1433e-83.6491e-965.4140
MGRO GUHHE6.2439e-71.3330e-71.0662e-75.4706e-82.9490e-81.4213e-65.2001e-73.5649e-83.6624e-965.4140
ESCA FRHHZ5.7768e-76.7292e-83.9314e-81.7942e-81.5610e-81.1184e-61.5581e-71.8132e-81.5335e-974.2175
ESCA FRHHN7.9405e-71.0414e-76.4749e-82.8465e-81.9685e-82.0571e-62.2432e-72.1003e-82.2063e-974.2175
ESCA FRHHE7.0250e-71.0891e-76.4857e-82.6262e-81.5838e-81.9779e-62.8908e-71.8455e-83.1644e-974.2175
RORO GUHHZ9.0912e-71.1916e-76.8269e-82.2709e-81.6143e-81.9805e-62.3856e-72.7108e-83.1765e-975.1124
RORO GUHHN6.9867e-71.4579e-79.4775e-83.0119e-81.4193e-82.4165e-65.8741e-72.1950e-83.6845e-975.1124
RORO GUHHE1.0620e-61.9232e-78.7247e-82.5132e-81.2424e-83.0946e-64.2946e-72.0478e-84.2173e-975.1124
IMI GUHHZ8.2258e-71.4463e-77.6785e-83.3873e-82.5292e-81.3721e-66.4226e-73.0723e-83.4608e-980.9143
IMI GUHHN1.6371e-62.8602e-71.5573e-76.4281e-83.3242e-83.1316e-66.5117e-75.1821e-86.0483e-980.9143
IMI GUHHE1.3130e-62.3433e-71.0773e-75.0958e-83.3494e-82.6855e-64.3562e-74.2228e-85.4504e-980.9143
CANO GUHHZ9.1156e-71.2433e-76.6274e-83.8802e-85.4253e-81.6633e-62.7917e-79.2359e-85.7837e-982.0112
CANO GUHHN1.0013e-62.1896e-71.2994e-75.0829e-82.3598e-82.5504e-67.9228e-73.7338e-85.6741e-982.0112
CANO GUHHE1.3183e-62.5625e-71.6424e-78.7755e-87.2292e-85.2030e-66.8529e-71.4166e-78.5502e-982.0112
PCP GUHHZ3.9716e-78.6839e-85.0617e-83.0480e-81.6603e-89.5454e-72.9866e-72.7225e-82.3700e-999.986
PCP GUHHN6.0084e-71.3076e-78.6708e-84.3641e-85.4838e-81.5221e-65.0781e-78.5732e-81.7101e-899.986
PCP GUHHE5.2478e-71.1156e-77.4289e-83.0652e-81.9922e-81.4045e-63.7556e-73.1108e-82.8893e-999.986
*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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