MANUAL Location - Area: Alpi Graie , magnitude (ML): 0.6
2025-06-12 05:58:07 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-06-12 09:49:56

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Earthquake info - Manual location
Event - ID :250612055741
Magnitude (ML) :0.6 +/- 0.2
Origin Time :2025-06-12 05:58:07.03 (UTC)
Location : Latitude: 45.653 N, Longitude: 6.777 E
Area :Alpi Graie
Depth (km) :5.68
Distances (km) : 15.1 --- La Thuile
20.5 --- Pre -Saint-Didier
21.8 --- Courmayeur
22.4 --- Valgrisenche
23.3 --- Morgex
25.1 --- La Salle
28.0 --- Rhemes-Notre-Dame
28.9 --- Avise
29.3 --- Rhemes-Saint-Georges
30.8 --- Arvier
31.1 --- Saint-Nicolas
32.1 --- Introd
33.9 --- Villeneuve
34.3 --- Valsavarenche
35.7 --- Saint-Pierre
36.5 --- Saint-Rhemy-En-Bosses
36.7 --- Aymavilles
38.0 --- Sarre
38.8 --- Saint-Oyen
39.2 --- Jovencan

Quality location estimate: Erh: 1 km, Erz: 1.9 km, Nf: 18, Gap: 108 °, Rms: 0.38


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.
RSLFR2025-06-12 05:58:10.1100.0070-0.021.232025-06-12 05:58:11.7000.0421-0.471.3413.7
COURMFR2025-06-12 05:58:11.4680.0200-0.770.572025-06-12 05:58:15.3060.0400-0.371.2924.7
MRGEIV2025-06-12 05:58:12.6630.0200-0.011.242025-06-12 05:58:15.8300.1825-0.591.0726.6
LSDGU2025-06-12 05:58:13.8900.01700.041.092025-06-12 05:58:17.9000.1093-0.491.2436.0
REMYGU2025-06-12 05:58:13.8500.0200-0.670.792025-06-12 05:58:18.5460.0400-1.040.1436.8
RSPGU2025-06-12 05:58:20.1170.02000.880.002025-06-12 05:58:26.9860.0400-0.481.1968.1
DIXCH2025-06-12 05:58:19.5150.0200-0.301.142025-06-12 05:58:28.3250.1303-0.351.1668.4
RRLGU2025-06-12 05:58:21.3130.0200-0.271.112025-06-12 05:58:30.9700.3688-0.590.8681.7


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
COURMFRHH0.951.60e-124.738
MRGE IVHH0.393.26e-226.659
LSD GUHH0.432.35e-236.0128
REMY GUHH0.311.73e-236.855
RSP GUHH0.467.33e-368.1146
DIX CHHH0.881.78e-268.445
RRL GUHH0.574.04e-381.7179


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.
(°)
COURMFRHHZ1.6247e-52.4426e-69.6766e-72.6489e-71.2593e-73.5420e-53.3829e-62.1271e-74.5493e-824.738
COURMFRHHN1.7372e-52.9587e-61.3584e-64.5823e-71.6149e-74.1315e-55.7473e-62.8760e-75.9227e-824.738
COURMFRHHE1.6559e-52.4126e-61.4779e-65.7441e-72.2464e-74.6829e-55.3317e-63.0496e-75.7269e-824.738
MRGE IVHHZ5.5962e-66.5994e-71.7452e-75.0738e-82.6252e-84.1620e-61.1293e-64.5807e-81.2253e-826.659
MRGE IVHHN1.1132e-51.1020e-61.8518e-77.1893e-83.9087e-89.4404e-68.4745e-78.3962e-81.9403e-826.659
MRGE IVHHE5.9688e-66.4778e-71.5277e-75.6605e-83.1333e-86.9894e-68.9435e-75.8041e-81.2522e-826.659
LSD GUHHZ2.7237e-62.2871e-71.1278e-74.8257e-82.7441e-83.1978e-66.0347e-74.5447e-86.3081e-936.0128
LSD GUHHN6.8538e-66.4850e-71.4803e-75.6043e-83.1798e-86.8755e-65.8470e-76.4637e-81.4111e-836.0128
LSD GUHHE4.6482e-64.4087e-71.0776e-73.9187e-81.7444e-84.2436e-65.6645e-73.2278e-89.6301e-936.0128
REMY GUHHZ1.2405e-61.4363e-79.4682e-83.1303e-81.6026e-82.7778e-66.7378e-72.4734e-83.5249e-936.855
REMY GUHHN1.2545e-62.3790e-71.4656e-77.2782e-82.6351e-84.5868e-69.2736e-73.0597e-85.3488e-936.855
REMY GUHHE1.3209e-61.7891e-71.1342e-76.0678e-84.5459e-84.4807e-65.6040e-78.4445e-85.9943e-936.855
RSP GUHHZ8.4277e-79.9063e-84.6324e-82.7325e-81.1472e-81.0592e-62.0452e-71.5490e-82.2538e-968.1146
RSP GUHHN2.7682e-61.6271e-76.0687e-82.3724e-81.2277e-81.4173e-62.7376e-71.4848e-82.7730e-968.1146
RSP GUHHE1.1184e-61.4089e-78.2348e-82.7889e-81.3550e-82.2634e-64.0830e-71.9855e-83.1302e-968.1146
DIX CHHHZ1.3361e-61.7897e-71.2253e-74.2746e-82.1093e-83.8384e-65.5527e-72.9947e-84.5540e-968.445
DIX CHHHN1.7444e-62.6410e-71.4719e-75.4333e-82.2468e-82.7613e-66.6059e-72.8045e-85.8080e-968.445
DIX CHHHE1.8238e-62.2959e-71.6617e-75.5742e-82.9894e-82.7554e-65.2973e-74.3548e-85.8973e-968.445
RRL GUHHZ1.8467e-72.5625e-82.2363e-81.2308e-85.5548e-94.5129e-71.3728e-71.0401e-86.4240e-1081.7179
RRL GUHHN2.2825e-73.6346e-83.8715e-81.6482e-87.8946e-94.8211e-72.1846e-71.2112e-81.1549e-981.7179
RRL GUHHE1.6731e-74.5137e-83.3001e-81.6595e-87.9599e-94.6839e-72.0814e-71.2393e-81.1333e-981.7179
*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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