MANUAL Location - Area: Alpi Pennine , magnitude (ML): 0.1
2025-05-30 03:14:31 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-05-30 06:48:29

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Earthquake info - Manual location
Event - ID :250530031309
Magnitude (ML) :0.1 +/- 0.2
Origin Time :2025-05-30 03:14:31.637 (UTC)
Location : Latitude: 45.809 N, Longitude: 7.462 E
Area :Alpi Pennine
Depth (km) :4.51
Distances (km) : 7.5 --- Verrayes
7.5 --- Nus
7.9 --- Oyace
8.0 --- Bionaz
8.3 --- Quart
8.4 --- Torgnon
8.6 --- Fenis
8.7 --- Saint-Marcel
9.5 --- Saint-Denis
9.6 --- Chambave
10.1 --- Antey-Saint-Andre
10.1 --- Brissogne
10.7 --- Saint-Christophe
10.8 --- Valpelline
11.9 --- Roisan
12.1 --- La Magdeleine
12.1 --- Doues
12.4 --- Pollein
12.7 --- Pontey
12.8 --- Ollomont

Quality location estimate: Erh: 0.8 km, Erz: 1.3 km, Nf: 20, Gap: 83 °, Rms: 0.33


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.
REMYGU2025-05-30 03:14:36.9090.08030.041.712025-05-30 03:14:39.6950.0400-0.850.6124.9
CIROGU2025-05-30 03:14:37.1430.0602-0.011.812025-05-30 03:14:40.1310.0400-0.820.6525.4
DIXCH2025-05-30 03:14:38.0970.02000.011.912025-05-30 03:14:41.7490.0400-0.790.6531.3
MRGEIV2025-05-30 03:14:37.9900.0200-0.001.922025-05-30 03:14:41.1320.0400-1.300.1732.0
SATIGU2025-05-30 03:14:38.5220.0200-0.021.862025-05-30 03:14:42.8050.0400-0.660.5533.1
LSDGU2025-05-30 03:14:40.3580.0200-0.071.522025-05-30 03:14:45.1450.0400-1.250.2047.0
MMKCH2025-05-30 03:14:40.9310.02000.430.532025-05-30 03:14:46.4180.0400-0.330.4347.8
EMBDCH2025-05-30 03:14:42.0420.02000.440.512025-05-30 03:14:48.0200.0400-0.560.4653.8
LATOIV2025-05-30 03:14:42.2760.02000.280.782025-05-30 03:14:49.0370.04000.161.2556.7
SIMPLCH2025-05-30 03:14:43.5720.02000.171.192025-05-30 03:14:51.7550.04000.061.2964.6


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
REMY GUHH-0.151.24e-224.9278
CIRO GUHH0.151.28e-225.4160
MRGE IVHH-0.019.08e-332.0262
SATI GUHH0.117.61e-333.177
LSD GUHH0.411.35e-247.0213
MMK CHHH0.063.11e-347.855
EMBD CHHH0.064.53e-353.832
SIMPLCHHH0.042.92e-364.642


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 GUHHZ3.6615e-62.5746e-77.0650e-82.0542e-81.2150e-82.6197e-64.0960e-72.2316e-84.2281e-924.9278
REMY GUHHN3.3259e-63.1285e-79.8334e-83.3419e-81.7231e-83.8657e-63.9205e-72.3628e-86.4345e-924.9278
REMY GUHHE2.3194e-62.3964e-79.9765e-83.2623e-81.5573e-85.0279e-63.8294e-72.5618e-85.2267e-924.9278
CIRO GUHHZ5.7247e-64.5184e-76.9856e-83.1345e-81.3463e-82.9035e-62.3179e-72.2698e-84.4534e-925.4160
CIRO GUHHN5.1067e-63.4942e-77.1876e-82.5705e-81.2838e-82.6380e-63.3004e-72.1605e-85.3028e-925.4160
CIRO GUHHE3.1298e-63.0611e-79.9290e-83.1087e-81.6631e-84.0528e-64.7506e-72.5799e-85.4831e-925.4160
DIX CHHHZ1.1465e-51.8402e-68.5524e-72.8324e-71.4926e-74.0095e-54.0908e-62.2838e-74.2085e-831.3351
DIX CHHHN2.4905e-52.6476e-66.2788e-71.7798e-71.2290e-72.3994e-52.5636e-62.3154e-75.1484e-831.3351
DIX CHHHE2.0091e-52.6765e-68.4789e-72.3094e-71.3445e-72.6350e-53.6678e-62.4095e-75.8176e-831.3351
MRGE IVHHZ1.6211e-61.5216e-74.7471e-82.2697e-88.5323e-91.1636e-62.1252e-71.2881e-82.9681e-932.0262
MRGE IVHHN3.2786e-62.9919e-77.0003e-84.1668e-81.9607e-82.5611e-62.4953e-72.6477e-85.2060e-932.0262
MRGE IVHHE3.7954e-63.3808e-75.0632e-82.9418e-81.6179e-81.9670e-62.0355e-72.0044e-86.4285e-932.0262
SATI GUHHZ1.0510e-61.0633e-73.2895e-81.1753e-87.9299e-91.9105e-68.6672e-81.1531e-81.9520e-933.177
SATI GUHHN2.0641e-62.2249e-74.5564e-81.5899e-89.3036e-93.8762e-61.4544e-71.9881e-84.5549e-933.177
SATI GUHHE1.7410e-61.8988e-76.1283e-81.4964e-81.0459e-83.6883e-61.8267e-71.6356e-83.5531e-933.177
LSD GUHHZ2.0496e-62.4705e-78.1817e-82.1160e-81.1640e-84.7909e-63.2917e-72.4065e-85.2728e-947.0213
LSD GUHHN2.2018e-62.6920e-77.6134e-81.7539e-89.9516e-94.4281e-63.0699e-71.9506e-84.6776e-947.0213
LSD GUHHE3.1208e-63.1324e-71.0541e-72.3382e-81.4280e-85.8269e-63.9302e-72.7528e-86.9816e-947.0213
MMK CHHHZ5.4514e-76.2372e-83.1527e-81.3044e-81.3256e-81.0589e-61.4586e-71.9406e-82.5925e-947.855
MMK CHHHN6.4503e-76.8597e-83.0344e-88.7328e-94.9293e-91.2469e-61.2711e-78.1585e-91.4758e-947.855
MMK CHHHE7.0610e-75.3280e-82.0166e-88.0104e-94.6014e-97.9266e-79.0228e-86.2646e-91.2134e-947.855
EMBD CHHHZ6.5950e-71.0471e-76.1676e-83.8162e-81.5108e-89.5037e-72.6814e-72.1454e-82.7050e-953.832
EMBD CHHHN5.4086e-77.1263e-84.2017e-81.7789e-89.0428e-91.2729e-62.3672e-71.3443e-81.5544e-953.832
EMBD CHHHE6.0463e-75.9524e-83.2810e-81.6674e-87.3350e-99.3190e-71.6129e-79.2452e-91.4713e-953.832
SIMPLCHHHZ4.7823e-75.9714e-82.7377e-89.1109e-95.4181e-99.0139e-71.6361e-78.2859e-91.2944e-964.642
SIMPLCHHHN4.3130e-75.2442e-82.7280e-88.9497e-94.9877e-91.4606e-61.2000e-77.8780e-91.3682e-964.642
SIMPLCHHHE4.7185e-76.3949e-83.1777e-89.2706e-94.8793e-99.8963e-71.3435e-76.9767e-91.2768e-964.642
*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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