MANUAL Location - Area: Alpi Graie , magnitude (ML): 0.6
2025-11-04 11:22:27 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-11-05 07:32:03

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Earthquake info - Manual location
Event - ID :251104112158
Magnitude (ML) :0.6 +/- 0.2
Origin Time :2025-11-04 11:22:27.071 (UTC)
Location : Latitude: 45.818 N, Longitude: 7.158 E
Area :Alpi Graie
Depth (km) :6.05
Distances (km) : 1.8 --- Saint-Rhemy-En-Bosses
4.3 --- Saint-Oyen
5.5 --- Etroubles
8.8 --- Allein
10.3 --- La Salle
11.2 --- Saint-Nicolas
11.4 --- Gignod
11.5 --- Morgex
11.6 --- Doues
12.0 --- Avise
12.3 --- Ollomont
12.5 --- Roisan
12.6 --- Arvier
13.0 --- Valpelline
13.1 --- Saint-Pierre
13.3 --- Villeneuve
13.5 --- Sarre
14.2 --- Introd
14.5 --- Aymavilles
14.5 --- Jovencan

Quality location estimate: Erh: 0.5 km, Erz: 0.3 km, Nf: 28, Gap: 52 °, Rms: 0.30


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.
REMYGU2025-11-04 11:22:29.5900.10040.450.612025-11-04 11:22:30.5020.0400-0.011.898.8
MRGEIV2025-11-04 11:22:29.8400.10040.111.312025-11-04 11:22:31.0360.0400-0.450.3912.0
BLANCGU2025-11-04 11:22:31.3990.0200-0.001.972025-11-04 11:22:33.4660.0400-0.900.4919.9
DIXCH2025-11-04 11:22:34.2920.02000.001.822025-11-04 11:22:38.6190.0400-0.720.5535.9
LSDGU2025-11-04 11:22:34.8990.02000.350.792025-11-04 11:22:39.5310.0400-0.121.1640.7
CIROGU2025-11-04 11:22:35.1190.0200-0.021.742025-11-04 11:22:39.9250.0400-0.800.5640.8
RSLFR2025-11-04 11:22:35.4190.0200-0.041.672025-11-04 11:22:39.9850.0400-1.200.1244.1
VANNICH2025-11-04 11:22:37.6560.02000.460.602025-11-04 11:22:44.3000.04000.021.3155.8
SATIGU2025-11-04 11:22:37.0000.0200-0.420.432025-11-04 11:22:44.6690.0400-0.390.5856.1
SENINCH2025-11-04 11:22:38.8920.02000.280.862025-11-04 11:22:45.9010.0400-0.840.5262.1
LATOIV2025-11-04 11:22:38.6390.02000.380.752025-11-04 11:22:45.7830.04000.041.2762.5
MMKCH2025-11-04 11:22:39.4230.02000.340.802025-11-04 11:22:47.5880.0400-0.101.1268.1


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
REMY GUHH0.262.07e-18.8358
MRGE IVHH0.874.19e-112.0235
BLANCGUHH0.356.01e-219.9280
DIX CHHH0.988.43e-235.933
LSD GUHH0.492.15e-240.7183
CIRO GUHH0.511.19e-240.8127
SATI GUHH0.891.62e-256.183
SENINCHHH0.601.15e-262.110
MMK CHHH0.514.13e-368.167


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 GUHHZ4.4402e-54.4303e-68.5872e-72.4441e-71.3192e-74.0700e-53.0127e-62.5746e-75.5729e-88.8358
REMY GUHHN5.5324e-55.7970e-61.4793e-65.2032e-72.8141e-75.0487e-55.0887e-65.5586e-71.1447e-78.8358
REMY GUHHE4.3572e-53.7312e-61.1057e-63.1015e-71.7434e-73.5408e-54.2124e-63.2689e-76.4177e-88.8358
MRGE IVHHZ4.6303e-55.3394e-61.4596e-65.1316e-72.9756e-75.9534e-57.7944e-65.6182e-71.2518e-712.0235
MRGE IVHHN1.2514e-41.2382e-52.1883e-66.4564e-74.0761e-72.0107e-48.4328e-69.3120e-72.6378e-712.0235
MRGE IVHHE7.1620e-56.9186e-62.3588e-67.1995e-74.1200e-78.6621e-51.0933e-57.0538e-71.3622e-712.0235
BLANCGUHHZ4.1658e-66.3414e-72.5429e-75.8667e-83.5549e-89.6749e-61.3536e-65.8244e-81.2464e-819.9280
BLANCGUHHN5.4934e-69.8285e-75.0434e-71.3760e-78.4555e-81.6959e-52.1877e-61.3386e-72.3439e-819.9280
BLANCGUHHE5.4040e-61.0856e-64.8991e-71.1708e-76.9273e-89.6309e-62.0036e-61.1156e-72.2075e-819.9280
DIX CHHHZ9.3941e-61.1428e-66.8525e-71.8991e-71.0785e-71.4901e-53.3210e-61.7914e-72.8248e-835.933
DIX CHHHN1.2947e-51.5776e-68.2551e-72.1573e-71.1245e-71.4321e-54.3465e-61.7732e-73.2072e-835.933
DIX CHHHE8.9583e-61.0218e-65.1303e-71.2744e-76.5450e-81.1382e-53.2529e-61.0339e-72.0815e-835.933
LSD GUHHZ3.8366e-64.1442e-71.1810e-73.8372e-82.3791e-86.4446e-63.7226e-74.2072e-88.5606e-940.7183
LSD GUHHN9.1034e-65.0184e-71.0815e-73.9098e-81.9672e-84.5367e-63.8633e-73.5405e-89.7362e-940.7183
LSD GUHHE7.4151e-66.1088e-71.6112e-75.0287e-82.8870e-81.0321e-55.9535e-75.0385e-81.2034e-840.7183
CIRO GUHHZ2.4134e-62.2446e-75.8762e-82.4139e-81.0734e-82.2727e-63.8779e-71.9167e-83.7527e-940.8127
CIRO GUHHN2.8154e-62.7390e-79.7404e-84.0984e-81.6752e-83.2517e-65.2071e-72.8276e-86.1048e-940.8127
CIRO GUHHE2.2651e-62.1268e-75.8563e-82.4625e-81.0887e-82.6649e-63.8255e-71.6474e-83.6786e-940.8127
VANNICHHHZ5.2859e-78.9481e-84.8836e-81.9854e-81.0149e-88.5270e-72.3684e-71.5894e-82.1235e-955.838
VANNICHHHN6.7117e-77.1137e-84.5622e-82.1715e-81.0584e-81.1041e-62.0131e-71.4595e-82.1127e-955.838
VANNICHHHE4.7817e-77.3113e-85.1116e-82.1782e-81.1157e-89.7007e-72.8016e-71.4210e-81.9496e-955.838
SATI GUHHZ1.4605e-62.1589e-77.5617e-81.9278e-81.2312e-83.5444e-62.2879e-72.0010e-85.0395e-956.183
SATI GUHHN3.8722e-63.8289e-78.2945e-82.3833e-81.4729e-85.5721e-62.2802e-73.1490e-87.2166e-956.183
SATI GUHHE2.5854e-63.8431e-71.2194e-73.1315e-82.1705e-87.8632e-63.0432e-73.7652e-88.6868e-956.183
SENINCHHHZ1.6213e-63.0284e-71.7537e-75.9270e-82.9177e-84.9504e-67.4991e-74.7544e-89.1998e-962.110
SENINCHHHN1.0275e-61.6853e-71.0784e-74.7357e-82.4700e-83.8164e-64.9066e-73.8106e-85.2738e-962.110
SENINCHHHE1.0254e-61.8349e-79.9815e-84.6649e-81.8988e-83.6409e-63.0279e-72.3829e-84.9771e-962.110
MMK CHHHZ4.1150e-75.6087e-83.3307e-81.4019e-88.5070e-91.1603e-61.2238e-71.1053e-81.3484e-968.167
MMK CHHHN5.2956e-74.7895e-83.1248e-81.8407e-81.0480e-89.0042e-71.8106e-71.1557e-81.3398e-968.167
MMK CHHHE7.0232e-76.9373e-82.4010e-81.1642e-86.7376e-98.8629e-71.1654e-79.4685e-91.6512e-968.167
*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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