MANUAL Location - Area: Alpi Pennine , magnitude (ML): 1.2
2025-03-31 21:32:07 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-04-01 07:10:48

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Earthquake info - Manual location
Event - ID :250331213034
Magnitude (ML) :1.2 +/- 0.2
Origin Time :2025-03-31 21:32:07.633 (UTC)
Location : Latitude: 45.803 N, Longitude: 7.439 E
Area :Alpi Pennine
Depth (km) :6.01
Distances (km) : 7.0 --- Quart
7.1 --- Oyace
7.1 --- Nus
8.0 --- Saint-Marcel
8.2 --- Bionaz
8.5 --- Verrayes
8.7 --- Fenis
8.7 --- Brissogne
8.8 --- Saint-Christophe
9.2 --- Valpelline
9.9 --- Roisan
10.2 --- Torgnon
10.4 --- Doues
10.5 --- Chambave
10.6 --- Saint-Denis
10.6 --- Pollein
11.3 --- Gignod
11.4 --- Ollomont
11.9 --- Antey-Saint-Andre
12.0 --- Aosta

Quality location estimate: Erh: 0.5 km, Erz: 0.7 km, Nf: 46, Gap: 71 °, Rms: 0.28


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.
REMYGU2025-03-31 21:32:12.5400.01100.041.702025-03-31 21:32:15.3600.0691-0.620.7523.8
CIROGU2025-03-31 21:32:13.0400.01200.001.782025-03-31 21:32:16.1200.0752-0.670.7425.9
MRGEIV2025-03-31 21:32:13.4700.0150-0.011.752025-03-31 21:32:16.7180.0902-0.920.4830.5
DIXCH2025-03-31 21:32:13.8450.0160-0.111.322025-03-31 21:32:17.5200.0962-0.930.4732.1
SATIGU2025-03-31 21:32:14.3700.0422-0.270.762025-03-31 21:32:18.9200.1053-0.810.6335.4
COURMFR2025-03-31 21:32:14.7800.01900.111.312025-03-31 21:32:19.1690.1123-0.520.7537.6
BLANCGU2025-03-31 21:32:15.3910.0200-0.051.602025-03-31 21:32:19.9970.1715-1.040.3540.5
LSDGU2025-03-31 21:32:15.9700.02210.011.662025-03-31 21:32:20.8300.1344-0.820.6045.7
OROIV2025-03-31 21:32:16.5700.02310.081.492025-03-31 21:32:21.9830.2316-0.690.6847.0
VANNICH2025-03-31 21:32:16.3950.02410.210.802025-03-31 21:32:21.8420.1464-0.390.8547.5
MMKCH2025-03-31 21:32:16.8350.02510.250.642025-03-31 21:32:22.4250.1504-0.530.7749.9
EMBDCH2025-03-31 21:32:17.5500.0281-0.081.462025-03-31 21:32:23.8810.1705-0.820.5955.6
LATOIV2025-03-31 21:32:17.7600.02000.091.402025-03-31 21:32:24.1630.0400-0.211.0856.2
SENINCH2025-03-31 21:32:19.2950.03210.141.182025-03-31 21:32:26.9870.4208-0.350.8563.7
RSLFR2025-03-31 21:32:20.0530.02000.790.022025-03-31 21:32:26.8900.2196-0.450.8664.6
SIMPLCH2025-03-31 21:32:19.5250.03610.071.402025-03-31 21:32:27.7750.2016-0.071.0966.6
LAUCHCH2025-03-31 21:32:21.0350.08030.420.282025-03-31 21:32:29.4250.4068-0.360.8573.2
RSPGU2025-03-31 21:32:20.6600.03710.021.452025-03-31 21:32:29.1150.1002-0.370.9174.4
FIESACH2025-03-31 21:32:22.9740.0200-0.021.392025-03-31 21:32:33.4830.0400-0.380.9187.7
OGMOFR2025-03-31 21:32:22.9200.0200-0.061.362025-03-31 21:32:33.0700.2827-0.370.9088.7
BHBGU2025-03-31 21:32:25.8900.05420.001.282025-03-31 21:32:38.0100.5959-0.590.64108.6
RRLGU2025-03-31 21:32:26.6300.0602-0.330.922025-03-31 21:32:39.7200.3307-0.450.81110.6


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.		 Dist. (km) Azimuth
REMY GUHH1.273.58e-123.8280
CIRO GUHH1.251.58e-125.9156
MRGE IVHH1.261.88e-130.5263
SATI GUHH1.025.52e-235.476
COURMFRHH1.552.88e-137.6273
BLANCGUHH0.885.29e-240.5277
LSD GUHH1.178.17e-245.7212
ORO IVEH1.259.14e-247.0115
VANNICHHH1.197.83e-247.515
MMK CHHH1.113.20e-249.956
EMBD CHHH1.094.52e-255.633
SENINCHHH1.305.45e-263.7350
SIMPLCHHH1.042.78e-266.642
LAUCHCHHH1.233.50e-273.221
RSP GUHH1.193.31e-274.4191
FIESACHHH1.575.00e-287.736
BHB GUHH1.421.96e-2108.6187
RRL GUHH1.361.21e-2110.6208


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.
(°)
REMY GUHHZ7.8976e-56.1727e-61.7970e-65.0065e-72.7245e-75.9241e-57.1639e-64.5005e-79.1333e-823.8280
REMY GUHHN6.2893e-57.6132e-62.4994e-67.7083e-74.0403e-71.1688e-48.9910e-66.8694e-71.4315e-723.8280
REMY GUHHE5.6369e-57.3835e-62.6940e-69.8378e-74.5325e-71.2293e-49.1971e-66.7326e-71.6090e-723.8280
CIRO GUHHZ3.0668e-53.3808e-69.1333e-72.8744e-71.4562e-74.0498e-53.1386e-62.7709e-76.1590e-825.9156
CIRO GUHHN2.7346e-52.7562e-69.9230e-72.9459e-71.5345e-74.6144e-54.8915e-62.3777e-74.4594e-825.9156
CIRO GUHHE3.4354e-53.8395e-61.2481e-64.3848e-72.4303e-74.2038e-56.3249e-63.5269e-76.1964e-825.9156
MRGE IVHHZ2.4738e-51.8272e-64.1848e-71.8731e-77.3221e-81.8396e-51.7319e-61.3477e-73.9181e-830.5263
MRGE IVHHN5.2944e-56.0163e-61.0702e-63.2330e-71.8567e-71.0199e-44.3561e-64.1790e-71.1132e-730.5263
MRGE IVHHE4.4929e-53.5485e-67.3424e-72.4990e-71.4098e-75.5590e-52.2991e-62.5744e-77.5422e-830.5263
DIX CHHHZ1.0888e-41.4886e-57.9517e-62.6103e-61.5261e-62.3137e-44.3765e-52.5194e-64.4332e-732.1355
DIX CHHHN1.4321e-41.5887e-56.6629e-61.8670e-68.5169e-73.1361e-42.3649e-51.5350e-63.4763e-732.1355
DIX CHHHE2.5563e-43.6153e-51.4595e-53.5279e-62.0254e-66.9119e-45.8238e-53.3418e-66.6048e-732.1355
SATI GUHHZ6.2567e-67.0853e-72.7590e-77.1404e-83.9600e-81.0779e-58.5956e-76.1254e-81.3259e-835.476
SATI GUHHN9.2366e-61.1046e-64.1195e-71.1339e-75.3969e-82.3758e-51.4586e-69.9302e-82.1403e-835.476
SATI GUHHE9.8866e-61.2646e-64.6783e-71.2472e-76.7642e-82.6768e-51.3159e-61.1467e-72.5226e-835.476
COURMFRHHZ3.0746e-53.7031e-61.4295e-63.8551e-72.0470e-79.5999e-55.4693e-63.6437e-78.7953e-837.6273
COURMFRHHN4.5349e-56.0249e-62.3125e-66.3443e-73.7392e-71.4441e-45.9360e-66.4793e-71.2854e-737.6273
COURMFRHHE2.7957e-54.6599e-62.7352e-66.5555e-73.1896e-79.7365e-51.1279e-54.9106e-71.0502e-737.6273
BLANCGUHHZ3.6416e-64.7532e-73.1930e-71.0001e-74.6348e-89.0920e-61.7577e-66.1575e-81.1262e-840.5277
BLANCGUHHN8.9946e-68.7770e-74.2493e-71.4580e-77.1718e-81.0709e-51.8541e-61.0189e-71.6065e-840.5277
BLANCGUHHE6.2004e-67.9746e-75.0204e-71.6804e-77.8066e-81.4068e-52.0194e-61.3528e-71.9921e-840.5277
LSD GUHHZ1.4484e-51.6951e-66.9595e-71.9690e-79.1375e-83.0026e-52.7507e-61.4906e-73.7708e-845.7212
LSD GUHHN1.6588e-51.8389e-65.8959e-71.7260e-78.2606e-82.3191e-52.8204e-61.2962e-72.9329e-845.7212
LSD GUHHE2.3368e-52.1613e-67.0266e-71.8561e-79.7932e-82.8076e-53.0814e-61.5716e-73.9129e-845.7212
ORO IVEHZ6.6688e-69.2713e-74.6939e-71.1314e-75.9921e-81.5857e-52.0150e-69.7258e-81.9948e-847.0115
ORO IVEHN9.6936e-61.5101e-68.2843e-72.4896e-71.1666e-72.4106e-53.4450e-61.6815e-73.3489e-847.0115
ORO IVEHE1.2157e-51.7454e-66.9180e-72.4425e-78.4766e-82.1923e-53.7535e-61.3600e-73.3548e-847.0115
VANNICHHHZ2.8795e-66.0924e-73.8653e-71.9594e-77.5475e-89.5978e-61.6162e-61.0549e-71.5805e-847.515
VANNICHHHN3.4331e-66.5774e-74.9491e-72.9614e-71.0699e-78.3331e-63.0845e-61.1539e-71.8763e-847.515
VANNICHHHE3.6490e-67.6412e-75.8800e-73.2378e-71.2738e-77.9369e-63.2662e-61.7591e-72.3961e-847.515
MMK CHHHZ2.7827e-64.9648e-72.4706e-79.7057e-83.8728e-86.6957e-61.1063e-66.0941e-81.2858e-849.956
MMK CHHHN3.3044e-64.9504e-73.3281e-78.5398e-84.9072e-81.0941e-51.5430e-67.0204e-81.3153e-849.956
MMK CHHHE4.1676e-63.5384e-71.9966e-79.2552e-83.8084e-86.8724e-67.5682e-75.0822e-89.2626e-949.956
EMBD CHHHZ2.4952e-66.3416e-75.4287e-73.4311e-71.3302e-74.9233e-63.1890e-61.7459e-72.0670e-855.633
EMBD CHHHN3.2584e-65.6054e-73.6633e-71.6808e-77.3323e-87.7427e-61.7046e-61.0194e-71.6120e-855.633
EMBD CHHHE3.8512e-63.8149e-72.7543e-71.3446e-77.1514e-86.0308e-61.9649e-69.4056e-81.1083e-855.633
SENINCHHHZ3.9121e-61.0138e-67.9814e-73.0356e-71.3115e-71.3738e-53.6753e-61.8347e-73.0084e-863.7350
SENINCHHHN4.3918e-67.3908e-75.2984e-72.4677e-71.0196e-71.0385e-52.5169e-61.4596e-71.7208e-863.7350
SENINCHHHE5.0350e-68.3468e-75.6597e-72.0812e-78.8594e-81.5817e-53.0420e-61.1739e-71.9869e-863.7350
SIMPLCHHHZ1.8805e-63.6158e-72.2026e-75.9590e-82.7021e-88.6508e-61.0741e-64.1939e-88.1795e-966.642
SIMPLCHHHN2.0563e-64.2706e-71.8827e-77.9345e-82.9623e-86.2382e-65.5866e-74.4120e-89.3112e-966.642
SIMPLCHHHE2.3779e-63.9694e-72.4067e-77.8388e-83.8161e-85.6977e-61.0125e-66.2983e-81.0417e-866.642
LAUCHCHHHZ1.7005e-63.1869e-71.0945e-75.2368e-82.1632e-85.2653e-63.5090e-72.8840e-84.8862e-973.221
LAUCHCHHHN1.6431e-62.6944e-71.7034e-77.6698e-83.4056e-86.3362e-67.8614e-74.3107e-86.3836e-973.221
LAUCHCHHHE2.6813e-65.9996e-73.5053e-78.2651e-84.3126e-89.4663e-61.2717e-66.5396e-81.4202e-873.221
RSP GUHHZ1.9132e-63.1733e-71.5797e-74.5535e-82.2254e-85.9017e-65.7105e-73.6408e-87.6842e-974.4191
RSP GUHHN2.4842e-65.2007e-72.8007e-77.4885e-84.4262e-88.7479e-69.4654e-77.0579e-81.2937e-874.4191
RSP GUHHE2.7850e-64.0728e-72.2440e-75.1580e-82.5703e-88.6979e-61.1890e-64.8750e-89.4966e-974.4191
FIESACHHHZ1.8052e-63.5409e-73.0706e-71.7219e-78.9011e-84.6900e-62.4858e-61.0520e-71.2533e-887.736
FIESACHHHN1.8409e-64.7660e-73.8841e-72.0019e-71.1214e-75.3570e-62.7273e-61.1338e-71.4354e-887.736
FIESACHHHE1.5545e-62.9655e-72.6356e-71.6645e-77.8372e-86.1884e-61.7689e-68.8480e-89.1333e-987.736
BHB GUHHZ3.1612e-65.5740e-71.9989e-76.8548e-83.8508e-89.4324e-67.9057e-76.9212e-81.1740e-8108.6187
BHB GUHHN2.7756e-64.3122e-71.9363e-77.2711e-83.3059e-85.7929e-68.3046e-75.7956e-88.5657e-9108.6187
BHB GUHHE1.6821e-62.5689e-71.5311e-77.9728e-83.2159e-84.2491e-65.4633e-74.7605e-86.6246e-9108.6187
RRL GUHHZ4.5968e-76.3173e-84.7637e-82.4767e-81.0949e-81.0985e-62.0524e-71.2649e-81.6949e-9110.6208
RRL GUHHN4.3981e-71.0737e-79.4435e-85.8941e-82.3275e-81.4627e-64.0672e-72.4758e-83.6005e-9110.6208
RRL GUHHE3.6137e-71.0183e-71.0012e-75.4149e-81.8056e-81.0073e-64.9415e-72.2177e-82.7831e-9110.6208
*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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