MANUAL Location - Area: Alpi Pennine , magnitude (ML): 0.5
2025-10-23 00:01:21 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-10-23 07:26:10

RSNI Logo

Earthquake info - Manual location
Event - ID :251023000057
Magnitude (ML) :0.5 +/- 0.2
Origin Time :2025-10-23 00:01:21.207 (UTC)
Location : Latitude: 45.813 N, Longitude: 7.439 E
Area :Alpi Pennine
Depth (km) :10.18
Distances (km) : 6.2 --- Oyace
7.0 --- Bionaz
8.1 --- Quart
8.3 --- Nus
8.9 --- Valpelline
9.2 --- Verrayes
9.2 --- Saint-Marcel
9.7 --- Saint-Christophe
9.8 --- Fenis
9.9 --- Brissogne
10.2 --- Roisan
10.2 --- Torgnon
10.2 --- Doues
10.9 --- Ollomont
11.2 --- Chambave
11.3 --- Saint-Denis
11.5 --- Gignod
11.5 --- Pollein
11.9 --- Antey-Saint-Andre
12.8 --- Aosta

Quality location estimate: Erh: 0.6 km, Erz: 1.7 km, Nf: 38, Gap: 73 °, Rms: 0.35


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.
AOSAIT2025-10-23 00:01:24.1070.1205-0.091.402025-10-23 00:01:26.3290.04000.041.5914.7
REMYGU2025-10-23 00:01:26.1700.0120-0.001.712025-10-23 00:01:28.9230.0722-0.820.6625.4
CIROGU2025-10-23 00:01:26.6200.0130-0.280.932025-10-23 00:01:29.7000.0772-1.170.3728.5
MRGEIV2025-10-23 00:01:27.1630.0200-0.041.602025-10-23 00:01:30.5500.1243-0.930.6531.9
DIXCH2025-10-23 00:01:27.2850.0201-0.181.162025-10-23 00:01:31.0500.0922-0.860.6732.4
SATIGU2025-10-23 00:01:28.2350.0200-0.031.622025-10-23 00:01:32.4520.1003-0.940.6636.4
VANNICH2025-10-23 00:01:29.6890.02000.021.562025-10-23 00:01:35.3720.1384-0.270.9647.2
LSDGU2025-10-23 00:01:29.5090.0200-0.260.982025-10-23 00:01:34.5990.1404-1.040.5447.6
CANIGU2025-10-23 00:01:29.7360.02000.081.342025-10-23 00:01:35.1630.0400-0.251.0247.6
OROIV2025-10-23 00:01:30.3180.02000.131.062025-10-23 00:01:35.5100.1384-1.000.5748.3
MMKCH2025-10-23 00:01:30.1460.02000.011.562025-10-23 00:01:35.6250.2326-0.870.5750.1
EMBDCH2025-10-23 00:01:31.2020.02000.091.272025-10-23 00:01:37.3000.1625-0.820.5955.3
LATOIV2025-10-23 00:01:31.6230.02000.131.072025-10-23 00:01:38.0720.0400-0.310.8757.9
SENINCH2025-10-23 00:01:32.6340.02000.011.462025-10-23 00:01:40.4370.0400-0.280.9563.2
SIMPLCH2025-10-23 00:01:32.9040.0200-0.051.482025-10-23 00:01:40.4190.0400-0.860.6166.3
RSPGU2025-10-23 00:01:34.3500.1005-0.081.332025-10-23 00:01:42.5160.0400-0.940.5876.0
FIESACH2025-10-23 00:01:36.4320.0200-0.041.372025-10-23 00:01:46.8650.3367-0.410.7987.2
BHBGU2025-10-23 00:01:40.0130.02000.440.172025-10-23 00:01:51.5400.4939-0.900.52110.1


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
AOSA ITHN0.823.07e-114.7215
REMY GUHH0.242.98e-225.4277
CIRO GUHH0.733.92e-228.5157
MRGE IVHH0.231.59e-231.9261
SATI GUHH0.893.81e-236.478
VANNICHHH0.421.36e-247.215
LSD GUHH0.491.55e-247.6211
CANI GUHH0.371.19e-247.6155
ORO IVEH0.782.99e-248.3116
MMK CHHH0.497.51e-350.157
EMBD CHHH0.246.46e-355.334
SENINCHHH0.478.35e-363.2350
SIMPLCHHH0.335.47e-366.343
RSP GUHH0.536.84e-376.0190
BHB GUHH0.875.35e-3110.1187


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.
(°)
AOSA ITHNZ3.2470e-53.4045e-62.5343e-61.3423e-65.8453e-74.3378e-51.4162e-57.1622e-71.0047e-714.7215
AOSA ITHNN3.8150e-55.2243e-63.0734e-61.2767e-65.8717e-75.9861e-52.2183e-58.4596e-71.2080e-714.7215
AOSA ITHNE3.3458e-53.6641e-62.8450e-61.4259e-65.9177e-77.3354e-51.7189e-57.6593e-79.2815e-814.7215
REMY GUHHZ6.7425e-64.8535e-71.6575e-74.1054e-82.2618e-84.9327e-61.0017e-63.5079e-87.9995e-925.4277
REMY GUHHN4.5288e-66.0604e-72.4295e-76.3122e-83.8166e-81.1318e-51.0929e-66.4393e-81.2764e-825.4277
REMY GUHHE4.2946e-64.3800e-71.8849e-76.4993e-83.2653e-81.0269e-56.4198e-75.0468e-81.0295e-825.4277
CIRO GUHHZ5.2736e-66.0643e-71.7265e-75.1891e-82.8761e-87.7403e-66.0344e-75.8185e-81.3707e-828.5157
CIRO GUHHN1.2983e-51.0453e-62.1835e-76.3483e-83.7837e-81.2208e-51.1699e-67.1464e-81.9212e-828.5157
CIRO GUHHE8.6845e-68.3559e-73.0339e-79.0224e-84.8890e-81.4768e-51.4142e-67.9280e-81.7469e-828.5157
MRGE IVHHZ2.1238e-62.1098e-75.0596e-82.5721e-81.2121e-81.7834e-61.8431e-71.6972e-83.7734e-931.9261
MRGE IVHHN4.2329e-64.5475e-79.9954e-82.9436e-81.9550e-87.3553e-64.6112e-73.7144e-89.5610e-931.9261
MRGE IVHHE3.3226e-63.1702e-76.9578e-82.3507e-81.3058e-83.8381e-62.8443e-72.4207e-85.8904e-931.9261
DIX CHHHZ1.6938e-51.9362e-61.1057e-64.5841e-72.0534e-73.1808e-56.5219e-62.9310e-75.0052e-832.4355
DIX CHHHN2.0557e-53.1246e-69.4071e-74.1187e-71.6396e-73.9882e-53.9137e-62.5902e-76.8479e-832.4355
DIX CHHHE2.7492e-52.4461e-61.0505e-63.5974e-72.1874e-74.3338e-54.1710e-63.7631e-76.5638e-832.4355
SATI GUHHZ2.4895e-62.5403e-71.0662e-73.3618e-81.6700e-84.3974e-64.4094e-72.4326e-85.6397e-936.478
SATI GUHHN5.9119e-66.8008e-72.9518e-71.3829e-78.3905e-81.3915e-51.5201e-61.1564e-71.5057e-836.478
SATI GUHHE5.2999e-67.1379e-72.5438e-71.1273e-77.4610e-81.4367e-51.1928e-69.8729e-81.3837e-836.478
VANNICHHHZ7.4650e-79.9742e-85.2572e-82.6188e-81.0998e-81.8804e-62.7359e-71.3075e-82.5635e-947.215
VANNICHHHN1.0372e-61.3071e-77.3952e-84.1777e-81.8458e-82.1959e-63.8712e-72.6012e-83.8790e-947.215
VANNICHHHE8.7601e-71.4858e-71.0296e-75.9803e-82.3678e-81.5838e-65.4790e-73.1726e-83.9357e-947.215
LSD GUHHZ2.9474e-63.2023e-71.1934e-74.0779e-82.1569e-83.6205e-63.7552e-73.4031e-85.8295e-947.6211
LSD GUHHN2.6404e-62.3408e-79.8043e-82.5091e-81.4379e-83.8921e-64.4561e-72.5137e-85.3637e-947.6211
LSD GUHHE5.2484e-65.5602e-71.2745e-72.8386e-81.5775e-85.9726e-65.0612e-73.5301e-89.4790e-947.6211
CANI GUHHZ2.1104e-61.9865e-75.2656e-81.6712e-81.1327e-83.9107e-61.8894e-71.9536e-84.4575e-947.6155
CANI GUHHN3.4055e-63.2841e-76.3116e-82.0579e-81.0721e-83.6154e-62.5240e-72.4444e-85.8414e-947.6155
CANI GUHHE3.0997e-62.9225e-71.0278e-73.2921e-81.4711e-83.8813e-63.0056e-72.4910e-85.6065e-947.6155
ORO IVEHZ2.3103e-62.9435e-71.5044e-74.0078e-81.8725e-83.9044e-67.9023e-72.9335e-86.8662e-948.3116
ORO IVEHN3.9472e-65.0452e-72.6054e-78.9908e-84.6523e-87.6498e-68.2961e-77.5302e-81.2490e-848.3116
ORO IVEHE2.9410e-63.8017e-71.8492e-76.0466e-82.8454e-85.6196e-66.9586e-75.1197e-89.3499e-948.3116
MMK CHHHZ1.0454e-61.2000e-75.6984e-82.0289e-89.4082e-91.5610e-62.1671e-71.8528e-82.8608e-950.157
MMK CHHHN1.1343e-61.7483e-76.4115e-82.4663e-82.1440e-82.3260e-63.1628e-73.1013e-88.4282e-950.157
MMK CHHHE1.2731e-61.1967e-73.8077e-81.8975e-89.7770e-91.3542e-61.1860e-71.4995e-82.5044e-950.157
EMBD CHHHZ8.4862e-71.5660e-78.6164e-84.4503e-82.0498e-81.8266e-64.6765e-72.7406e-84.1545e-955.334
EMBD CHHHN7.9922e-71.1100e-75.8816e-82.2590e-81.2298e-81.8471e-62.1555e-71.7016e-82.3149e-955.334
EMBD CHHHE1.0271e-61.0573e-75.5508e-82.1967e-81.3132e-81.5786e-62.7237e-71.9202e-83.2053e-955.334
SENINCHHHZ6.0742e-71.1313e-71.0321e-74.3141e-82.4586e-82.3802e-63.9964e-73.6102e-83.8571e-963.2350
SENINCHHHN5.0006e-78.4649e-87.0713e-83.8345e-82.2414e-81.9441e-62.6029e-73.0866e-83.8298e-963.2350
SENINCHHHE5.7474e-71.0658e-77.6123e-83.8298e-82.1427e-81.8375e-64.7937e-72.5053e-84.3090e-963.2350
SIMPLCHHHZ8.6328e-71.1209e-74.0713e-81.3414e-88.9360e-92.2924e-61.2579e-71.6719e-82.4763e-966.343
SIMPLCHHHN6.5823e-78.5669e-83.9835e-81.5838e-88.3023e-91.5782e-61.4850e-71.1228e-82.0128e-966.343
SIMPLCHHHE9.3919e-71.3865e-75.3397e-81.2348e-87.4512e-92.6441e-62.3331e-71.1435e-82.5735e-966.343
RSP GUHHZ7.2821e-71.1017e-74.9311e-81.5154e-87.4806e-91.6288e-61.3361e-71.0144e-82.3784e-976.0190
RSP GUHHN7.7762e-71.3978e-75.5292e-81.6416e-89.9438e-91.5390e-62.3737e-71.8551e-82.1252e-976.0190
RSP GUHHE7.8320e-71.0498e-77.1098e-82.3949e-81.2146e-81.6344e-62.9959e-72.0662e-82.5192e-976.0190
FIESACHHHZ3.5907e-76.1610e-84.2667e-83.4810e-83.4582e-81.0624e-62.3665e-75.6329e-83.6149e-987.237
FIESACHHHN4.4351e-71.1953e-77.1559e-86.3479e-81.0325e-71.0249e-63.6059e-71.9122e-72.2653e-887.237
FIESACHHHE4.1952e-78.2550e-85.2990e-84.2819e-83.3130e-81.7277e-64.2921e-75.0238e-83.7041e-987.237
BHB GUHHZ5.0779e-76.8145e-83.2932e-81.9183e-88.9446e-95.8796e-71.2526e-71.3031e-81.0381e-9110.1187
BHB GUHHN4.3723e-75.5333e-82.4907e-81.1453e-86.3567e-95.2124e-79.8291e-81.1063e-89.8968e-10110.1187
BHB GUHHE2.8708e-75.5427e-84.0599e-82.7533e-81.2143e-84.7099e-71.4522e-71.9257e-81.5951e-9110.1187
*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