MANUAL Location - Area: Alpi Pennine , magnitude (ML): 0.2
2025-05-30 04:17:54 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-05-30 06:52:51

RSNI Logo

Earthquake info - Manual location
Event - ID :250530041628
Magnitude (ML) :0.2 +/- 0.2
Origin Time :2025-05-30 04:17:54.83 (UTC)
Location : Latitude: 45.820 N, Longitude: 7.447 E
Area :Alpi Pennine
Depth (km) :5.68
Distances (km) : 6.2 --- Oyace
6.4 --- Bionaz
8.8 --- Nus
9.0 --- Quart
9.2 --- Verrayes
9.4 --- Valpelline
9.7 --- Torgnon
9.9 --- Saint-Marcel
10.1 --- Fenis
10.6 --- Saint-Christophe
10.7 --- Brissogne
10.8 --- Doues
11.0 --- Roisan
11.2 --- Ollomont
11.2 --- Saint-Denis
11.3 --- Chambave
11.4 --- Antey-Saint-Andre
12.3 --- Gignod
12.5 --- Pollein
13.3 --- La Magdeleine

Quality location estimate: Erh: 1.2 km, Erz: 0.5 km, Nf: 16, Gap: 80 °, Rms: 0.34


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 04:18:00.2440.06020.521.082025-05-30 04:18:03.2270.04000.011.6724.0
CIROGU2025-05-30 04:18:00.4770.0200-0.011.762025-05-30 04:18:03.5340.0400-0.890.1827.2
DIXCH2025-05-30 04:18:01.4420.02000.531.152025-05-30 04:18:05.1380.0400-0.061.4030.3
SATIGU2025-05-30 04:18:01.8760.02000.180.732025-05-30 04:18:06.1760.0400-0.490.0834.4
LSDGU2025-05-30 04:18:03.5660.02000.071.582025-05-30 04:18:08.4260.0400-1.020.1847.5
MMKCH2025-05-30 04:18:04.6590.02001.080.002025-05-30 04:18:09.8330.04000.041.3848.3
LATOIV2025-05-30 04:18:05.7720.02000.580.922025-05-30 04:18:12.0150.0400-0.131.0458.0


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
REMY GUHH-0.051.68e-224.0275
CIRO GUHH0.261.47e-227.2159
DIX CHHH0.777.23e-230.3354
SATI GUHH0.056.25e-334.479
LSD GUHH0.167.31e-347.5211
MMK CHHH0.173.90e-348.357


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 GUHHZ2.5279e-62.0277e-77.7119e-82.6508e-81.2295e-83.7413e-62.7677e-72.0620e-83.8801e-924.0275
REMY GUHHN3.0910e-63.9580e-71.4955e-74.9644e-82.1830e-88.3191e-64.9587e-73.6901e-88.3187e-924.0275
REMY GUHHE1.8315e-62.2849e-79.5306e-86.7476e-84.0374e-83.5232e-63.0945e-74.1169e-85.8323e-924.0275
CIRO GUHHZ2.4204e-62.5810e-78.0108e-82.3901e-81.0594e-84.8722e-62.9363e-72.0584e-85.4464e-927.2159
CIRO GUHHN5.3894e-64.5247e-71.0790e-73.4560e-81.8991e-86.9265e-66.0276e-73.6854e-89.8741e-927.2159
CIRO GUHHE3.7257e-64.0766e-71.1204e-73.4940e-81.9911e-86.8371e-63.7562e-73.3226e-86.9654e-927.2159
DIX CHHHZ9.4092e-69.4789e-75.3189e-71.8066e-79.5345e-82.4415e-52.8884e-61.5057e-72.5568e-830.3354
DIX CHHHN1.2761e-51.5988e-64.0563e-71.1092e-76.4188e-81.5376e-51.8775e-61.2484e-73.3439e-830.3354
DIX CHHHE1.2414e-51.4130e-65.4180e-71.3078e-77.2559e-81.4474e-51.8639e-61.3641e-73.3398e-830.3354
SATI GUHHZ6.2188e-76.5286e-82.6644e-88.5958e-95.8217e-91.1928e-68.5706e-88.1075e-91.3107e-934.479
SATI GUHHN1.7558e-61.8843e-73.9959e-81.4652e-88.0984e-92.5510e-61.6025e-71.4964e-83.6066e-934.479
SATI GUHHE1.0784e-61.3068e-74.3474e-81.3126e-89.0830e-92.4610e-61.3025e-71.7476e-82.9049e-934.479
LSD GUHHZ1.7434e-61.5999e-75.2460e-81.3091e-86.2680e-91.7254e-61.9523e-71.1402e-82.7676e-947.5211
LSD GUHHN1.9400e-61.7356e-74.0811e-81.2544e-86.7277e-91.6193e-61.8410e-71.2022e-83.0378e-947.5211
LSD GUHHE2.6946e-62.3851e-75.8887e-81.6433e-88.0347e-92.5828e-62.9018e-71.6509e-84.4512e-947.5211
MMK CHHHZ4.8608e-75.1960e-82.2855e-81.0588e-85.1395e-96.7941e-78.9653e-87.0104e-91.1075e-948.357
MMK CHHHN4.9917e-76.4944e-83.0126e-81.2649e-81.2840e-81.2099e-69.9325e-82.0711e-81.8466e-948.357
MMK CHHHE4.9610e-74.7943e-81.7502e-81.0729e-84.5294e-95.2271e-77.1226e-86.7248e-91.0163e-948.357
*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)

rsni