MANUAL Location - Area: Alpi Pennine , magnitude (ML): 1.2
2026-05-15 04:33:50 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2026-05-15 06:14:20

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Earthquake info - Manual location
Event - ID :260515043221
Magnitude (ML) :1.2 +/- 0.2
Origin Time :2026-05-15 04:33:50.172 (UTC)
Location : Latitude: 46.005 N, Longitude: 7.611 E
Area :Alpi Pennine
Depth (km) :5.80
Distances (km) : 14.2 --- Valtournenche
18.4 --- Chamois
20.5 --- Bionaz
21.6 --- La Magdeleine
22.2 --- Ayas
22.2 --- Antey-Saint-Andre
22.7 --- Torgnon
24.5 --- Oyace
25.5 --- Gressoney-la-Trinite
27.6 --- Verrayes
27.9 --- Macugnaga
28.3 --- Saint-Vincent
28.3 --- Saint-Denis
28.4 --- Chatillon
28.7 --- Brusson
28.9 --- Ollomont
29.2 --- Chambave
29.6 --- Pontey
29.8 --- Valpelline
30.0 --- Gressoney-Saint-Jean

Quality location estimate: Erh: 0.8 km, Erz: 1.1 km, Nf: 40, Gap: 36 °, 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.
DIXCH2026-05-15 04:33:54.3700.01300.011.622026-05-15 04:33:56.5750.0691-0.580.7219.8
VANNICH2026-05-15 04:33:55.2300.01400.400.992026-05-15 04:33:58.1000.07220.151.2623.9
SATIGU2026-05-15 04:33:55.6900.01400.141.162026-05-15 04:33:58.7400.0712-0.540.7226.1
MMKCH2026-05-15 04:33:56.0500.01600.321.032026-05-15 04:33:59.1850.0822-0.330.7128.9
EMBDCH2026-05-15 04:33:56.0750.01900.011.612026-05-15 04:33:59.3500.0882-0.690.5929.8
SIMPLCH2026-05-15 04:33:58.0300.0221-0.061.432026-05-15 04:34:02.8330.1574-0.680.5841.6
CIROGU2026-05-15 04:33:58.6800.0241-0.001.542026-05-15 04:34:04.0540.3618-0.680.5845.7
SENINCH2026-05-15 04:33:59.1170.02000.091.412026-05-15 04:34:04.5210.0400-0.610.6747.1
LAUCHCH2026-05-15 04:33:59.1200.0562-0.011.472026-05-15 04:34:04.4090.1002-0.870.3547.9
MRGEIV2026-05-15 04:33:59.2910.0200-0.141.102026-05-15 04:34:05.6970.0400-0.360.7750.5
BLANCGU2026-05-15 04:34:01.1510.18070.410.852026-05-15 04:34:07.9800.0400-0.260.9256.1
FIESACH2026-05-15 04:34:01.5170.02000.021.462026-05-15 04:34:08.5210.3708-0.790.4961.8
CANIGU2026-05-15 04:34:01.6790.02000.410.882026-05-15 04:34:09.2570.04000.261.1263.9
LSDGU2026-05-15 04:34:02.8500.03710.221.172026-05-15 04:34:11.1830.3818-0.220.9371.5
LATOIV2026-05-15 04:34:04.3270.02000.380.942026-05-15 04:34:13.0590.0400-0.350.8779.4
RSPGU2026-05-15 04:34:07.4900.05120.360.972026-05-15 04:34:18.8800.2967-0.031.0099.2
MUGIOCH2026-05-15 04:34:10.0140.02000.470.722026-05-15 04:34:22.9000.0400-0.390.85111.1
BHBGU2026-05-15 04:34:12.2020.02000.061.252026-05-15 04:34:28.1950.04000.500.66133.0


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
DIX CHHH1.641.18e+019.8298
VANNICHHH1.032.03e-123.9357
SATI GUHH1.613.80e-126.1126
MMK CHHH0.976.72e-228.979
CIRO GUHH1.356.66e-245.7184
SENINCHHH0.934.35e-247.1329
LAUCHCHHH1.065.70e-247.915
MRGE IVHH1.013.87e-250.5239
BLANCGUHH0.963.30e-256.1251
FIESACHHH1.123.90e-261.839
CANI GUHH1.103.46e-263.9174
LSD GUHH0.972.02e-271.5212
RSP GUHH1.432.94e-299.2196
MUGIOCHHH1.481.10e-2111.194
BHB GUHH1.257.91e-3133.0192


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.
(°)
DIX CHHHZ1.9204e-42.1395e-57.3730e-62.1319e-61.1581e-63.2907e-42.9681e-51.9840e-64.6587e-719.8298
DIX CHHHN2.8387e-42.7750e-59.8378e-62.5839e-61.3974e-64.4152e-44.0581e-52.3956e-65.6589e-719.8298
DIX CHHHE2.0412e-42.1171e-57.7364e-63.2546e-61.4191e-63.2629e-43.7145e-52.4718e-64.7197e-719.8298
VANNICHHHZ1.2883e-51.7887e-61.0870e-63.9433e-72.3302e-71.4833e-54.2608e-63.4376e-73.9512e-823.9357
VANNICHHHN1.7785e-52.2339e-61.0916e-63.5070e-71.7648e-73.0298e-53.9661e-62.4337e-75.3057e-823.9357
VANNICHHHE1.3282e-53.0806e-61.5281e-66.1131e-73.0463e-72.1750e-59.2130e-64.7474e-77.2673e-823.9357
SATI GUHHZ4.3136e-54.7580e-61.5990e-65.2565e-72.2726e-77.7086e-58.1925e-63.8580e-78.5480e-826.1126
SATI GUHHN6.9409e-58.8796e-62.8563e-69.9289e-75.3625e-71.7373e-41.2995e-59.6586e-72.0282e-726.1126
SATI GUHHE6.5177e-57.6819e-62.6277e-66.7564e-74.0266e-71.9550e-49.8551e-67.7103e-71.6554e-726.1126
MMK CHHHZ6.5310e-69.0589e-74.9120e-71.9831e-77.9091e-81.4287e-51.9620e-61.2759e-72.3390e-828.979
MMK CHHHN7.8955e-61.1820e-66.4228e-71.5777e-78.6517e-82.6587e-52.2568e-61.4979e-72.9023e-828.979
MMK CHHHE5.7556e-65.8630e-73.0968e-71.0731e-74.3210e-81.1326e-51.3804e-66.7086e-81.4560e-828.979
EMBD CHHHZ7.0761e-68.6056e-75.3390e-71.9251e-79.0320e-81.5737e-52.1954e-61.4687e-72.4029e-829.836
EMBD CHHHN6.2824e-66.9053e-74.0521e-71.6848e-76.7859e-81.5067e-51.6910e-61.0467e-71.6674e-829.836
EMBD CHHHE6.0914e-67.4964e-74.9569e-72.5052e-79.9463e-89.3269e-62.1393e-61.3840e-71.8473e-829.836
SIMPLCHHHZ4.5975e-65.1481e-72.1541e-76.4899e-83.8774e-88.5097e-61.2580e-65.7032e-81.2501e-841.650
SIMPLCHHHN5.0460e-66.7243e-72.2493e-76.9053e-83.1568e-81.3482e-58.6658e-75.8089e-81.3923e-841.650
SIMPLCHHHE5.8485e-67.3437e-72.0723e-76.4384e-83.3259e-86.6813e-69.2643e-75.7587e-81.5330e-841.650
CIRO GUHHZ4.6611e-65.3869e-72.4724e-79.1472e-84.3765e-89.6285e-69.1920e-77.4020e-81.2037e-845.7184
CIRO GUHHN8.5409e-67.9446e-72.9940e-71.1441e-75.6872e-89.0992e-61.4500e-68.9963e-81.7069e-845.7184
CIRO GUHHE7.7879e-68.1477e-75.2460e-71.9899e-71.0102e-71.0720e-53.1653e-61.4777e-72.1537e-845.7184
SENINCHHHZ4.0509e-66.2440e-74.4624e-72.1997e-71.0798e-71.6124e-51.7744e-61.4593e-71.8295e-847.1329
SENINCHHHN4.2824e-66.5910e-74.0327e-71.9958e-77.5997e-81.1535e-51.7908e-69.8805e-81.4197e-847.1329
SENINCHHHE3.5357e-66.7526e-74.4858e-72.2311e-79.8024e-81.0848e-51.7368e-61.2156e-71.5627e-847.1329
LAUCHCHHHZ1.9168e-62.9809e-71.5949e-76.6067e-82.6357e-87.3582e-65.5837e-73.9413e-86.8360e-947.915
LAUCHCHHHN2.5580e-64.7360e-72.3034e-77.9832e-83.8084e-81.2183e-59.8613e-75.8247e-81.1289e-847.915
LAUCHCHHHE3.6859e-68.3377e-75.0132e-71.3614e-77.9900e-81.3535e-51.8140e-61.2606e-72.0459e-847.915
MRGE IVHHZ7.8336e-66.7815e-71.5980e-75.1803e-82.7947e-85.9680e-69.1049e-74.8664e-81.2370e-850.5239
MRGE IVHHN1.2739e-51.1680e-62.5792e-77.5788e-84.7233e-81.9395e-51.2772e-69.0369e-82.1665e-850.5239
MRGE IVHHE1.2423e-51.1441e-62.2041e-77.3589e-83.7737e-88.9569e-61.1423e-66.7330e-81.8857e-850.5239
BLANCGUHHZ1.8510e-62.9461e-71.6032e-74.8526e-82.8758e-83.9773e-67.9473e-74.6603e-87.8562e-956.1251
BLANCGUHHN2.2337e-63.3036e-71.9421e-77.3365e-85.1030e-84.3387e-67.9047e-78.7851e-89.5835e-956.1251
BLANCGUHHE3.1321e-65.3329e-72.8719e-78.1405e-84.4496e-86.1692e-61.6851e-66.3403e-81.1840e-856.1251
FIESACHHHZ3.0642e-64.1913e-73.0476e-71.5191e-77.4707e-89.3245e-61.0689e-68.4002e-81.1181e-861.839
FIESACHHHN1.8980e-64.2416e-73.6277e-71.5039e-79.0768e-85.4274e-63.1091e-61.2380e-71.1028e-861.839
FIESACHHHE2.8861e-64.5646e-73.2167e-71.3810e-76.7693e-86.1364e-62.2626e-67.7793e-81.0923e-861.839
CANI GUHHZ7.2067e-66.0840e-72.3317e-75.5457e-83.0319e-89.0744e-61.1782e-65.1987e-81.3423e-863.9174
CANI GUHHN7.2861e-67.1324e-72.3236e-76.1570e-83.5672e-81.0679e-51.0024e-66.9698e-81.4661e-863.9174
CANI GUHHE7.4154e-68.7486e-73.5441e-77.5849e-84.3943e-81.6208e-51.8302e-67.8340e-81.6525e-863.9174
LSD GUHHZ3.2011e-64.5290e-72.5587e-78.2759e-83.7536e-87.7043e-61.3193e-65.1945e-81.3883e-871.5212
LSD GUHHN4.5631e-64.4259e-71.8158e-75.6541e-82.4755e-86.7240e-69.2493e-73.8524e-88.8876e-971.5212
LSD GUHHE4.5049e-64.7504e-72.0975e-76.4387e-82.7051e-86.6203e-68.0813e-74.3996e-88.7907e-971.5212
RSP GUHHZ1.0905e-61.6838e-71.1880e-74.4846e-82.1184e-83.2763e-64.5972e-72.8227e-84.5549e-999.2196
RSP GUHHN1.8154e-62.7662e-71.5823e-75.1133e-82.2719e-83.3584e-66.3997e-73.6491e-86.6321e-999.2196
RSP GUHHE1.9383e-63.9743e-72.6576e-78.5766e-83.6333e-84.8775e-69.6335e-75.6648e-81.0402e-899.2196
MUGIOCHHHZ8.8120e-71.1110e-76.7786e-82.5934e-81.0912e-82.7556e-63.1814e-71.6257e-82.9868e-9111.194
MUGIOCHHHN1.3316e-62.2094e-71.0517e-73.8835e-81.5225e-83.8891e-64.2359e-72.1715e-84.5878e-9111.194
MUGIOCHHHE6.9898e-71.0658e-76.9766e-82.9156e-81.0549e-82.3760e-62.8864e-71.3722e-82.4007e-9111.194
BHB GUHHZ5.2248e-78.0989e-85.6476e-82.0704e-81.4243e-81.0523e-62.0085e-72.2768e-82.1202e-9133.0192
BHB GUHHN5.5254e-79.9745e-86.4660e-82.3315e-81.5824e-81.1288e-63.3914e-72.5098e-82.8041e-9133.0192
BHB GUHHE4.0438e-79.5710e-86.6020e-82.8124e-81.2148e-81.1322e-62.8153e-72.0792e-82.2428e-9133.0192
*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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