MANUAL Location - Area: Alpi Pennine , magnitude (ML): 1.5
2025-04-03 02:14:24 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-04-03 07:43:05

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Earthquake info - Manual location
Event - ID :250403021359
Magnitude (ML) :1.5 +/- 0.2
Origin Time :2025-04-03 02:14:24.791 (UTC)
Location : Latitude: 45.906 N, Longitude: 7.030 E
Area :Alpi Pennine
Depth (km) :6.01
Distances (km) : 13.2 --- Courmayeur
14.8 --- Saint-Rhemy-En-Bosses
16.0 --- Pre -Saint-Didier
16.4 --- Morgex
16.6 --- Saint-Oyen
17.9 --- La Salle
18.0 --- Etroubles
21.6 --- Allein
21.8 --- La Thuile
22.4 --- Ollomont
23.4 --- Avise
23.4 --- Saint-Nicolas
23.4 --- Doues
24.5 --- Valpelline
24.7 --- Gignod
24.8 --- Arvier
25.6 --- Roisan
26.4 --- Villeneuve
26.6 --- Saint-Pierre
26.7 --- Introd

Quality location estimate: Erh: 0.9 km, Erz: 1.1 km, Nf: 44, Gap: 150 °, Rms: 0.31


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.
COURMFR2025-04-03 02:14:27.7300.00700.051.412025-04-03 02:14:29.1200.0390-0.441.0613.1
BLANCGU2025-04-03 02:14:27.8800.0060-0.021.552025-04-03 02:14:29.4000.1354-0.560.8713.8
REMYGU2025-04-03 02:14:28.5300.00800.320.532025-04-03 02:14:30.5000.04710.001.5215.0
DIXCH2025-04-03 02:14:32.1450.02110.011.502025-04-03 02:14:36.5060.1193-0.680.6935.8
RSLFR2025-04-03 02:14:32.2600.0200-0.221.292025-04-03 02:14:36.7480.1273-0.970.4040.0
CIROGU2025-04-03 02:14:34.8400.0281-0.261.312025-04-03 02:14:41.0600.1685-1.270.2254.3
SENINCH2025-04-03 02:14:35.3800.0301-0.071.472025-04-03 02:14:42.1800.3277-0.720.7455.5
VANNICH2025-04-03 02:14:35.4500.02810.260.722025-04-03 02:14:42.0650.1695-0.281.2555.8
SATIGU2025-04-03 02:14:36.3000.0341-0.451.072025-04-03 02:14:44.9300.2016-0.570.9065.6
EMBDCH2025-04-03 02:14:37.7800.03610.031.352025-04-03 02:14:46.0950.2176-0.620.8471.2
MMKCH2025-04-03 02:14:37.8150.0381-0.211.372025-04-03 02:14:47.4100.22760.111.0374.5
LATOIV2025-04-03 02:14:38.3170.02000.171.002025-04-03 02:14:46.5100.0400-0.650.7775.4
OROIV2025-04-03 02:14:39.0100.0200-0.091.432025-04-03 02:14:48.8100.2517-0.480.9980.3
LAUCHCH2025-04-03 02:14:39.5550.04120.171.022025-04-03 02:14:49.4300.3908-0.131.0180.9
OGMOFR2025-04-03 02:14:39.1300.0462-0.181.392025-04-03 02:14:48.8900.2486-0.331.1182.3
SIMPLCH2025-04-03 02:14:39.9900.0432-0.211.362025-04-03 02:14:49.8210.2727-1.100.3885.2
RSPGU2025-04-03 02:14:39.9700.04420.111.172025-04-03 02:14:49.8140.4829-0.370.9086.5
FIESACH2025-04-03 02:14:43.0540.0200-0.141.382025-04-03 02:14:55.7510.0400-0.221.20102.2
RRLGU2025-04-03 02:14:43.9000.0562-0.431.102025-04-03 02:14:56.5320.0400-1.240.27111.3
BHBGU2025-04-03 02:14:45.8600.06130.630.192025-04-03 02:14:59.3040.0400-0.111.15120.5
PZZGU2025-04-03 02:14:51.3800.13160.400.592025-04-03 02:15:09.2590.1604-0.030.96155.8


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
COURMFRHH1.904.44e+013.1209
BLANCGUHH1.481.55e+013.8228
REMY GUHH1.381.07e+015.0128
DIX CHHH1.927.37e-135.856
CIRO GUHH1.751.17e-154.3129
SENINCHHH1.551.31e-155.522
VANNICHHH1.114.72e-255.852
SATI GUHH1.373.51e-265.693
MMK CHHH1.282.00e-274.577
ORO IVEH1.708.36e-280.3112
LAUCHCHHH1.555.86e-280.945
SIMPLCHHH1.121.90e-285.264
FIESACHHH1.806.04e-2102.254
RRL GUHH1.381.25e-2111.3190
BHB GUHH1.461.65e-2120.5171
PZZ GUHH1.381.31e-2155.8177


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.
(°)
COURMFRHHZ7.1994e-47.0739e-52.4650e-55.5157e-63.1180e-61.3029e-31.2021e-45.3811e-61.2169e-613.1209
COURMFRHHN6.6932e-47.9698e-53.1681e-51.0097e-55.2724e-61.2987e-39.2805e-58.8933e-61.8453e-613.1209
COURMFRHHE3.7204e-46.3913e-53.9572e-59.5052e-65.6580e-61.2027e-31.8065e-47.8570e-61.3881e-613.1209
BLANCGUHHZ8.2314e-51.5265e-56.7512e-62.2807e-61.0717e-62.6994e-42.4838e-51.7504e-63.5304e-713.8228
BLANCGUHHN1.4955e-42.2181e-51.1853e-54.2766e-62.6352e-63.2983e-45.5323e-54.2955e-67.1155e-713.8228
BLANCGUHHE1.0598e-41.9919e-51.0731e-55.3456e-62.6486e-62.5706e-43.3490e-53.9388e-65.8644e-713.8228
REMY GUHHZ6.1120e-57.7403e-63.9329e-61.5052e-68.2702e-79.1816e-51.5860e-51.1658e-62.0636e-715.0128
REMY GUHHN4.8612e-59.9476e-65.9754e-63.4783e-61.7670e-61.4882e-43.3336e-52.6808e-62.4918e-715.0128
REMY GUHHE8.5189e-51.0828e-57.6833e-62.4519e-61.5056e-62.2252e-43.4410e-52.4293e-63.7344e-715.0128
DIX CHHHZ5.1738e-57.8082e-65.2148e-61.8713e-66.7535e-71.4382e-42.6419e-51.1420e-62.2053e-735.856
DIX CHHHN7.6447e-51.3874e-56.8532e-61.6850e-68.1192e-72.2060e-42.9270e-51.3152e-62.8732e-735.856
DIX CHHHE6.9795e-51.1156e-55.5520e-62.1782e-61.0813e-61.8105e-42.5919e-51.6323e-62.6103e-735.856
CIRO GUHHZ1.3008e-51.7028e-65.6620e-72.0810e-79.6006e-82.5691e-52.8043e-61.4555e-73.1472e-854.3129
CIRO GUHHN1.5815e-51.7687e-68.5087e-73.3087e-71.3787e-71.9434e-53.4157e-62.2415e-74.0644e-854.3129
CIRO GUHHE1.2522e-51.5583e-64.0826e-71.6403e-78.6072e-82.0873e-52.3124e-61.2961e-72.5773e-854.3129
SENINCHHHZ1.5816e-53.3568e-62.1001e-66.6806e-73.6905e-75.2432e-58.6417e-65.5451e-79.0270e-855.522
SENINCHHHN1.1185e-51.6391e-69.3856e-72.5300e-71.1092e-73.3517e-55.7313e-61.6458e-73.5351e-855.522
SENINCHHHE1.7200e-51.9635e-61.0200e-63.4349e-71.8131e-73.0187e-54.0910e-62.8099e-74.9879e-855.522
VANNICHHHZ2.5386e-64.5876e-73.5157e-71.6920e-78.6748e-85.7666e-61.8892e-61.1317e-71.3180e-855.852
VANNICHHHN3.7498e-66.1405e-74.8102e-72.4767e-77.5711e-89.7313e-62.1844e-61.0137e-71.5149e-855.852
VANNICHHHE2.8193e-63.7078e-73.4352e-72.4538e-78.5716e-88.7314e-61.9468e-69.9893e-81.2411e-855.852
SATI GUHHZ3.5572e-64.0604e-71.6421e-74.2050e-81.9742e-81.1081e-55.3250e-73.4378e-88.0792e-965.693
SATI GUHHN6.2004e-67.6878e-72.1041e-76.1068e-83.0653e-81.6910e-56.0849e-76.4715e-81.4895e-865.693
SATI GUHHE6.2943e-69.1643e-72.9687e-76.9110e-84.0059e-81.9238e-59.1636e-76.7974e-81.8154e-865.693
EMBD CHHHZ2.1097e-65.3786e-73.2643e-72.3331e-71.0157e-74.3926e-61.6224e-61.2404e-71.6206e-871.261
EMBD CHHHN2.1127e-62.9817e-72.5069e-71.2972e-74.4742e-87.0675e-61.3585e-66.2903e-89.1325e-971.261
EMBD CHHHE2.0118e-63.2919e-72.5865e-71.0472e-74.2635e-83.5003e-61.4013e-66.3533e-89.5078e-971.261
MMK CHHHZ2.9337e-63.5252e-72.0864e-75.7897e-83.0927e-89.3483e-69.0367e-74.7197e-88.6080e-974.577
MMK CHHHN2.7962e-64.0146e-72.2933e-76.0943e-82.9052e-89.4186e-68.4367e-74.1707e-88.7035e-974.577
MMK CHHHE2.7982e-63.0013e-71.4146e-73.9331e-81.8404e-86.4845e-65.9066e-72.8793e-86.6133e-974.577
ORO IVEHZ4.6660e-67.5769e-74.6678e-71.1635e-75.9341e-81.1955e-52.5989e-68.7314e-81.6598e-880.3112
ORO IVEHN7.6607e-61.2305e-68.6915e-73.0320e-71.3467e-72.3951e-55.6620e-62.0081e-73.0492e-880.3112
ORO IVEHE7.9219e-69.8743e-76.5663e-71.8396e-77.3757e-81.8082e-53.6537e-61.2267e-72.4879e-880.3112
LAUCHCHHHZ2.0841e-62.9796e-72.1485e-76.8697e-83.2560e-88.2186e-61.1131e-65.2500e-86.7719e-980.945
LAUCHCHHHN5.1055e-69.0191e-74.4042e-71.1460e-76.3279e-82.1735e-51.4259e-69.8026e-81.9784e-880.945
LAUCHCHHHE4.1170e-68.4886e-76.0627e-71.7037e-78.7506e-81.5101e-53.3172e-61.3139e-72.0961e-880.945
SIMPLCHHHZ2.0673e-63.6339e-71.9704e-75.9490e-82.5802e-86.6820e-69.7779e-74.0832e-87.1846e-985.264
SIMPLCHHHN1.6284e-62.5216e-71.8858e-76.9933e-82.9558e-84.5530e-69.4532e-73.8569e-86.4412e-985.264
SIMPLCHHHE1.5796e-62.8808e-71.6471e-75.8721e-82.2123e-85.4623e-68.0174e-73.2807e-86.3817e-985.264
RSP GUHHZ9.8371e-71.5702e-79.8584e-82.3848e-81.2387e-82.5318e-64.4513e-72.1658e-83.6565e-986.5168
RSP GUHHN1.4152e-61.8191e-71.2240e-72.6731e-81.3853e-83.5590e-66.3011e-72.0880e-84.5759e-986.5168
RSP GUHHE1.4339e-62.8702e-71.6290e-73.5702e-82.2107e-84.5382e-68.1727e-73.7545e-86.7044e-986.5168
FIESACHHHZ2.7220e-64.0749e-73.1248e-71.9867e-77.8281e-87.1089e-62.0572e-61.0343e-71.1439e-8102.254
FIESACHHHN2.6398e-65.5494e-75.0212e-72.3020e-71.2655e-76.2899e-63.1657e-61.5484e-71.6483e-8102.254
FIESACHHHE2.7115e-65.1452e-74.7266e-72.8487e-71.3543e-78.1329e-64.0614e-61.3377e-71.7146e-8102.254
RRL GUHHZ8.0913e-71.2607e-75.8966e-82.8635e-81.0221e-81.2410e-62.1536e-71.2397e-82.0166e-9111.3190
RRL GUHHN4.4283e-71.1245e-79.2921e-85.7421e-82.7594e-81.6101e-64.7888e-73.6939e-83.4829e-9111.3190
RRL GUHHE4.1713e-79.5615e-89.2078e-85.4621e-82.2760e-81.3260e-65.4260e-73.0918e-83.4142e-9111.3190
BHB GUHHZ1.1807e-61.9275e-71.4529e-77.3132e-82.6087e-84.0236e-64.2323e-74.0309e-84.9661e-9120.5171
BHB GUHHN1.1396e-62.1820e-71.4606e-74.1737e-82.0386e-84.3108e-66.6052e-73.3403e-85.7667e-9120.5171
BHB GUHHE8.7491e-72.3125e-71.4570e-75.1394e-82.0396e-82.2747e-64.9269e-73.0215e-85.7886e-9120.5171
PZZ GUHHZ6.3099e-71.5282e-71.2830e-73.5686e-82.0371e-81.9512e-67.8717e-72.9221e-84.0518e-9155.8177
PZZ GUHHN6.3299e-71.6494e-71.3188e-74.1064e-82.4335e-81.9318e-61.0692e-63.2767e-85.8898e-9155.8177
PZZ GUHHE6.2088e-71.5811e-71.0154e-73.2836e-81.7160e-81.5645e-64.9652e-72.6642e-83.2721e-9155.8177
*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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