MANUAL Location - Area: Alpi Pennine , magnitude (ML): 0.8
2025-05-05 02:44:34 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-05-05 12:21:47

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Earthquake info - Manual location
Event - ID :250505024327
Magnitude (ML) :0.8 +/- 0.2
Origin Time :2025-05-05 02:44:34.758 (UTC)
Location : Latitude: 46.034 N, Longitude: 7.902 E
Area :Alpi Pennine
Depth (km) :6.10
Distances (km) : 9.0 --- Macugnaga
14.7 --- Ceppo Morelli
16.7 --- Antrona Schieranco
17.1 --- Vanzone con San Carlo
17.9 --- Carcoforo
18.0 --- Rima San Giuseppe
19.6 --- Bannio Anzino
20.2 --- Alagna Valsesia
20.8 --- Calasca-Castiglione
22.7 --- Viganella
22.7 --- Riva Valdobbia
23.0 --- Rimasco
23.5 --- Gressoney-la-Trinite
24.5 --- Seppiana
25.2 --- Bognanco
25.4 --- Fobello
25.7 --- Rimella
25.8 --- Montescheno
26.1 --- Cervatto
26.2 --- Mollia

Quality location estimate: Erh: 1.4 km, Erz: 1.1 km, Nf: 34, Gap: 75 °, Rms: 0.32


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.
MMKCH2025-05-05 02:44:37.3450.00700.501.172025-05-05 02:44:38.2450.0250-0.012.009.8
SATIGU2025-05-05 02:44:39.4700.01200.471.312025-05-05 02:44:41.8750.0611-0.051.7220.0
EMBDCH2025-05-05 02:44:39.3750.01300.002.022025-05-05 02:44:41.7150.0661-0.770.2222.2
SIMPLCH2025-05-05 02:44:39.6200.0130-0.430.512025-05-05 02:44:42.2470.0832-1.460.1325.8
VANNICH2025-05-05 02:44:41.0870.02000.421.172025-05-05 02:44:44.5950.0942-0.091.4731.5
DIXCH2025-05-05 02:44:42.2340.0200-0.001.882025-05-05 02:44:46.9200.1173-0.390.7239.7
LAUCHCH2025-05-05 02:44:43.1350.02310.061.672025-05-05 02:44:47.5800.1324-1.220.1544.3
OROIV2025-05-05 02:44:44.9230.02001.380.042025-05-05 02:44:49.2740.1434-0.041.3546.3
FIESACH2025-05-05 02:44:43.3410.0200-0.260.812025-05-05 02:44:49.0110.0400-0.810.2448.1
CIROGU2025-05-05 02:44:45.1400.05420.031.622025-05-05 02:44:51.8610.2216-0.320.9255.2
SENINCH2025-05-05 02:44:45.7160.02000.131.242025-05-05 02:44:52.9250.1785-0.171.1559.6
MRGEIV2025-05-05 02:44:47.5110.02000.051.532025-05-05 02:44:56.1830.0400-0.380.8171.8
FUSIOCH2025-05-05 02:44:48.1590.02000.420.982025-05-05 02:44:57.7740.04000.920.2675.3
LSDGU2025-05-05 02:44:50.3070.02000.410.962025-05-05 02:45:01.1560.04000.800.4287.7
LATOIV2025-05-05 02:44:50.7380.02000.520.862025-05-05 02:45:01.5840.04000.900.3188.6
MUGIOCH2025-05-05 02:44:50.3260.0200-0.221.112025-05-05 02:45:00.3710.0400-1.410.1589.2


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
MMK CHHH0.914.10e-19.868
SATI GUHH0.991.47e-120.0188
EMBD CHHH0.517.03e-222.2345
VANNICHHH0.736.15e-231.5310
LAUCHCHHH1.076.88e-244.3347
ORO IVEH1.167.70e-246.3172
FIESACHHH0.662.27e-248.120
CIRO GUHH0.871.48e-255.2208
SENINCHHH0.751.78e-259.6308
MRGE IVHH0.811.18e-271.8246
FUSIOCHHH0.648.33e-375.351
LSD GUHH0.727.06e-387.7223
MUGIOCHHH1.158.73e-389.298


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.
(°)
MMK CHHHZ8.3258e-51.0004e-52.0981e-66.2331e-74.0888e-71.2670e-48.9393e-67.9498e-72.0870e-79.868
MMK CHHHN8.6020e-58.7969e-62.8789e-68.6825e-75.2176e-71.7940e-41.1503e-59.5408e-71.9655e-79.868
MMK CHHHE8.9389e-58.3070e-61.9676e-66.2553e-73.9703e-71.2625e-46.8076e-68.3561e-71.9304e-79.868
SATI GUHHZ1.4982e-51.1892e-65.6148e-71.7507e-79.4791e-81.5480e-52.2987e-61.5203e-72.6600e-820.0188
SATI GUHHN1.2744e-51.3994e-65.0249e-71.5946e-76.5667e-81.4908e-52.3734e-61.1773e-72.8559e-820.0188
SATI GUHHE2.2873e-53.2071e-61.0347e-64.0643e-72.2844e-74.5817e-53.5657e-64.1008e-77.6233e-820.0188
EMBD CHHHZ8.3384e-68.5104e-74.7573e-72.2745e-71.0070e-71.7000e-52.8172e-61.6046e-72.5970e-822.2345
EMBD CHHHN2.0649e-51.8271e-65.0730e-71.9796e-78.0708e-81.6933e-53.2506e-61.3964e-73.7629e-822.2345
EMBD CHHHE1.1174e-51.3027e-64.8168e-71.5684e-79.5653e-81.7060e-51.9248e-61.5076e-72.3371e-822.2345
SIMPLCHHHZ5.8040e-65.8782e-72.1117e-77.4921e-84.1129e-87.8210e-68.1171e-77.0865e-81.4693e-825.822
SIMPLCHHHN5.5907e-65.8950e-71.7442e-78.0067e-85.2773e-87.0501e-66.2957e-79.0112e-81.2157e-825.822
SIMPLCHHHE5.3898e-65.9690e-71.8817e-76.9716e-83.9500e-81.0465e-51.0814e-66.4812e-81.1671e-825.822
VANNICHHHZ5.2693e-65.6894e-73.6328e-71.2388e-75.8547e-87.0697e-62.1189e-68.9657e-81.3775e-831.5310
VANNICHHHN6.4908e-66.6702e-74.8994e-72.0599e-79.2710e-81.2546e-53.1510e-61.3356e-71.8787e-831.5310
VANNICHHHE5.1303e-67.2231e-73.5638e-71.5939e-77.1155e-87.4342e-62.3731e-61.0457e-71.5657e-831.5310
DIX CHHHZ2.6370e-52.3807e-68.6171e-72.7836e-71.3264e-75.2076e-52.6635e-62.3979e-74.8433e-839.7278
DIX CHHHN3.3228e-53.0041e-61.3250e-63.1199e-71.4018e-74.4948e-56.0535e-62.6192e-76.4555e-839.7278
DIX CHHHE1.9862e-52.0673e-68.8411e-72.5187e-71.4047e-72.3978e-55.1214e-62.6106e-75.3844e-839.7278
LAUCHCHHHZ1.7200e-62.6298e-71.8130e-76.6861e-82.4895e-85.0798e-69.9782e-74.0185e-86.2606e-944.3347
LAUCHCHHHN4.0873e-66.4030e-73.5273e-78.1052e-84.5482e-88.4085e-61.0586e-67.1034e-81.5540e-844.3347
LAUCHCHHHE5.7399e-69.7235e-76.1355e-71.8107e-79.5743e-81.5660e-52.1670e-61.5911e-72.7718e-844.3347
ORO IVEHZ8.2917e-61.0042e-65.0464e-71.1831e-76.6486e-82.0332e-52.0521e-61.1508e-72.5613e-846.3172
ORO IVEHN1.1387e-51.4274e-66.7098e-71.9360e-78.4710e-81.9555e-53.3751e-61.4965e-73.0510e-846.3172
ORO IVEHE1.4534e-51.1964e-66.5404e-72.3741e-79.4692e-82.0173e-53.0942e-61.5371e-72.5700e-846.3172
FIESACHHHZ2.4892e-62.3151e-71.3777e-71.1048e-74.8599e-82.5129e-68.2705e-76.1771e-87.5612e-948.120
FIESACHHHN3.0911e-62.8956e-71.9105e-79.7500e-84.6735e-82.9681e-69.9643e-76.6516e-87.1179e-948.120
FIESACHHHE3.1456e-63.0396e-71.4430e-79.3940e-85.1581e-84.2681e-61.0458e-66.4896e-89.0523e-948.120
CIRO GUHHZ3.2546e-63.5968e-71.1405e-73.6818e-81.6528e-84.6933e-65.1392e-72.5511e-86.4867e-955.2208
CIRO GUHHN4.8868e-63.5546e-71.1769e-74.8352e-82.3155e-83.9381e-65.5251e-73.4979e-88.0542e-955.2208
CIRO GUHHE3.9378e-63.2660e-71.0737e-74.3774e-82.6068e-84.7479e-66.2575e-73.9783e-86.7688e-955.2208
SENINCHHHZ2.4103e-63.1692e-71.5071e-74.9753e-82.7368e-86.9686e-68.3670e-74.5692e-88.6214e-959.6308
SENINCHHHN1.7783e-62.6623e-71.7228e-76.2269e-82.6041e-84.7357e-61.0382e-63.6859e-86.8782e-959.6308
SENINCHHHE1.6065e-62.2349e-71.3247e-76.1718e-83.0015e-84.0918e-66.3334e-73.7128e-85.2038e-959.6308
MRGE IVHHZ2.4018e-62.2054e-75.9290e-82.7774e-81.5597e-82.2249e-63.8025e-72.1665e-84.0673e-971.8246
MRGE IVHHN4.2992e-64.0104e-78.1596e-83.8284e-82.0821e-84.8141e-63.5261e-73.4125e-87.6295e-971.8246
MRGE IVHHE2.7652e-62.7427e-77.0064e-83.3437e-82.1471e-82.5872e-63.3393e-72.9697e-85.4945e-971.8246
FUSIOCHHHZ1.2285e-61.6739e-77.2029e-82.1983e-81.1157e-82.5713e-63.7946e-71.8439e-83.0555e-975.351
FUSIOCHHHN1.3438e-61.6384e-77.9132e-82.1805e-81.1863e-83.7268e-62.8107e-71.9847e-83.9949e-975.351
FUSIOCHHHE1.2302e-61.3190e-77.5367e-81.9676e-89.4138e-93.3017e-62.8814e-71.5418e-83.1290e-975.351
LSD GUHHZ1.2410e-61.3697e-76.9002e-81.7825e-81.0303e-82.7029e-62.9462e-71.8635e-83.0840e-987.7223
LSD GUHHN1.7158e-61.6020e-76.0846e-81.7106e-81.0445e-82.1767e-62.8190e-71.8410e-83.0732e-987.7223
LSD GUHHE1.6053e-61.6865e-76.7025e-81.6972e-81.1164e-82.1581e-63.2840e-72.1217e-83.3955e-987.7223
MUGIOCHHHZ1.4132e-61.5089e-75.4744e-82.0848e-81.0273e-81.8783e-62.0687e-71.3466e-82.7904e-989.298
MUGIOCHHHN2.7520e-62.1218e-77.2789e-82.6588e-81.4001e-83.2436e-63.9229e-72.0095e-84.6216e-989.298
MUGIOCHHHE1.2672e-61.6010e-76.4754e-82.3086e-81.3817e-82.1878e-62.9660e-72.2476e-83.2281e-989.298
*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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