MANUAL Location - Area: Alpi Pennine , magnitude (ML): 0.6
2025-02-03 07:05:44 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-02-03 09:34:00

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Earthquake info - Manual location
Event - ID :250203070519
Magnitude (ML) :0.6 +/- 0.2
Origin Time :2025-02-03 07:05:44.877 (UTC)
Location : Latitude: 45.910 N, Longitude: 7.004 E
Area :Alpi Pennine
Depth (km) :7.70
Distances (km) : 13.2 --- Courmayeur
16.2 --- Pre -Saint-Didier
16.7 --- Saint-Rhemy-En-Bosses
17.0 --- Morgex
18.6 --- Saint-Oyen
18.9 --- La Salle
20.0 --- Etroubles
21.7 --- La Thuile
23.6 --- Allein
24.5 --- Ollomont
24.6 --- Avise
24.8 --- Saint-Nicolas
25.5 --- Doues
26.1 --- Arvier
26.6 --- Valpelline
26.7 --- Gignod
27.6 --- Roisan
27.9 --- Villeneuve
28.1 --- Introd
28.2 --- Saint-Pierre

Quality location estimate: Erh: 1 km, Erz: 0.7 km, Nf: 22, Gap: 155 °, Rms: 0.46


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.
BLANCGU2025-02-03 07:05:48.1100.00500.061.302025-02-03 07:05:49.4580.0400-0.721.2914.3
REMYGU2025-02-03 07:05:48.7500.0070-0.001.652025-02-03 07:05:50.7260.0340-0.651.2517.5
MRGEIV2025-02-03 07:05:48.7600.0070-0.081.302025-02-03 07:05:50.7600.0390-0.761.1818.7
DIXCH2025-02-03 07:05:52.5370.02000.011.552025-02-03 07:05:56.7140.1123-1.070.4637.6
RSLFR2025-02-03 07:05:52.3300.0200-0.041.542025-02-03 07:05:56.8700.1163-0.600.9839.0
LSDGU2025-02-03 07:05:54.4200.02910.091.102025-02-03 07:05:59.9900.1584-0.820.9052.0
SENINCH2025-02-03 07:05:55.4900.0200-0.170.852025-02-03 07:06:02.3130.0400-0.880.8456.1
CIROGU2025-02-03 07:05:54.9290.0200-0.621.132025-02-03 07:06:01.2400.1544-1.790.0956.5
MMKCH2025-02-03 07:05:58.4850.02000.021.242025-02-03 07:06:06.9780.0400-1.000.6476.5
RSPGU2025-02-03 07:05:59.9540.0602-0.200.852025-02-03 07:06:09.7280.1002-0.880.7987.5


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.		 Dist. (km) Azimuth
BLANCGUHH0.632.05e-114.3217
REMY GUHH0.501.07e-117.5124
MRGE IVHH0.972.37e-118.7164
DIX CHHH0.936.89e-237.658
LSD GUHH0.641.84e-252.0168
SENINCHHH0.491.11e-256.124
CIRO GUHH0.791.17e-256.5128
MMK CHHH0.472.96e-376.578
RSP GUHH0.282.79e-387.5166


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.
(°)
BLANCGUHHZ2.2530e-52.6767e-68.1068e-72.5877e-71.1271e-73.8195e-53.2679e-61.9603e-73.6827e-814.3217
BLANCGUHHN7.4778e-54.9859e-61.3522e-64.0119e-72.0474e-76.4855e-57.7325e-63.6310e-78.8138e-814.3217
BLANCGUHHE9.2251e-56.0056e-61.1738e-66.2156e-72.8114e-76.3585e-53.6563e-64.3099e-71.0867e-714.3217
REMY GUHHZ6.9456e-68.0748e-73.4630e-71.1520e-75.6004e-89.5017e-61.8756e-67.5556e-81.6899e-817.5124
REMY GUHHN8.9104e-61.3804e-65.4197e-72.6279e-71.4389e-72.3447e-52.8055e-62.2992e-73.5730e-817.5124
REMY GUHHE1.2308e-51.5401e-66.8707e-72.7559e-71.5507e-72.4729e-53.3224e-62.5905e-74.0761e-817.5124
MRGE IVHHZ2.8790e-52.9845e-65.3654e-71.9124e-71.0495e-72.6177e-52.7610e-62.3111e-75.6345e-818.7164
MRGE IVHHN6.9582e-57.6087e-61.2853e-64.7980e-72.6454e-78.7065e-55.2577e-66.0528e-71.5241e-718.7164
MRGE IVHHE7.5078e-57.1500e-61.2480e-64.9332e-72.4011e-75.4738e-56.1043e-64.7111e-71.2160e-718.7164
DIX CHHHZ6.9016e-69.2911e-75.8981e-72.3652e-79.2479e-81.8187e-52.9185e-61.2821e-72.4577e-837.658
DIX CHHHN1.0126e-51.5407e-66.6027e-72.1153e-71.1492e-72.6163e-53.4650e-61.9026e-73.3219e-837.658
DIX CHHHE1.4823e-51.7129e-66.2019e-72.5381e-71.0457e-72.8503e-53.3564e-61.6482e-73.8997e-837.658
LSD GUHHZ2.0253e-62.1760e-76.5359e-83.8586e-81.6559e-83.3441e-62.2506e-72.1101e-83.9589e-952.0168
LSD GUHHN3.6839e-63.2225e-76.3621e-82.2531e-81.2871e-84.1145e-63.0543e-72.9780e-86.0943e-952.0168
LSD GUHHE4.7672e-64.4312e-71.3816e-75.1732e-82.5089e-84.9378e-66.8704e-73.6691e-86.8772e-952.0168
SENINCHHHZ1.4440e-62.1218e-71.5730e-76.6390e-82.7561e-84.4795e-67.1989e-74.2687e-87.6359e-956.124
SENINCHHHN1.1175e-61.6551e-78.9771e-84.9574e-82.8323e-83.9444e-64.9998e-74.0928e-85.1154e-956.124
SENINCHHHE1.6593e-62.0422e-78.5423e-84.1157e-82.3402e-82.8025e-64.3548e-73.4576e-85.4942e-956.124
CIRO GUHHZ1.4947e-61.6028e-75.6625e-82.4606e-81.1799e-82.7062e-63.0546e-71.9150e-83.2713e-956.5128
CIRO GUHHN2.3877e-62.1551e-77.9059e-83.4296e-81.3210e-82.1286e-63.1364e-72.2291e-84.5158e-956.5128
CIRO GUHHE1.5483e-61.8885e-75.0660e-82.4500e-81.2823e-83.0591e-62.7102e-71.8925e-83.9271e-956.5128
MMK CHHHZ4.9913e-76.1280e-83.0474e-81.1786e-85.0495e-91.3109e-61.3925e-77.7831e-91.5180e-976.578
MMK CHHHN4.9091e-76.3254e-82.9200e-81.2620e-85.7256e-91.6860e-61.6757e-78.6290e-91.5203e-976.578
MMK CHHHE4.8234e-75.0913e-82.2108e-81.0588e-85.0946e-91.1056e-61.1353e-76.0504e-91.1279e-976.578
RSP GUHHZ1.7266e-72.4749e-81.3551e-87.5337e-94.3478e-93.5515e-74.5375e-85.5063e-96.6576e-1087.5166
RSP GUHHN2.1527e-73.0222e-81.9197e-81.0956e-81.0834e-85.6545e-77.7807e-81.8364e-82.2952e-987.5166
RSP GUHHE2.7867e-75.3226e-82.2823e-88.7178e-94.5876e-98.8504e-71.3412e-75.3665e-91.0391e-987.5166
*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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