MANUAL Location - Area: Alpi Pennine , magnitude (ML): 0.8
2025-06-26 05:23:43 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-06-26 08:30:16

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Earthquake info - Manual location
Event - ID :250626052206
Magnitude (ML) :0.8 +/- 0.2
Origin Time :2025-06-26 05:23:43.879 (UTC)
Location : Latitude: 45.871 N, Longitude: 7.007 E
Area :Alpi Pennine
Depth (km) :6.01
Distances (km) : 9.0 --- Courmayeur
12.0 --- Pre -Saint-Didier
12.8 --- Morgex
14.4 --- Saint-Rhemy-En-Bosses
14.7 --- La Salle
16.6 --- Saint-Oyen
17.6 --- La Thuile
18.1 --- Etroubles
20.7 --- Avise
21.1 --- Saint-Nicolas
21.6 --- Allein
22.3 --- Arvier
23.5 --- Ollomont
23.9 --- Doues
24.3 --- Villeneuve
24.4 --- Introd
24.5 --- Gignod
24.8 --- Saint-Pierre
25.2 --- Valpelline
25.5 --- Roisan

Quality location estimate: Erh: 0.8 km, Erz: 0.5 km, Nf: 20, Gap: 130 °, Rms: 0.25


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.
COURMFR2025-06-26 05:23:46.6400.00500.470.752025-06-26 05:23:47.6400.0330-0.011.5810.0
BLANCGU2025-06-26 05:23:46.5500.00400.021.542025-06-26 05:23:48.2380.1604-0.051.1011.4
MRGEIV2025-06-26 05:23:47.4600.00800.381.122025-06-26 05:23:49.2590.04610.051.3014.3
REMYGU2025-06-26 05:23:47.6400.00700.290.732025-06-26 05:23:49.6200.0441-0.071.3814.8
RSLFR2025-06-26 05:23:51.3730.08030.420.952025-06-26 05:23:55.5920.1213-0.170.8436.4
DIXCH2025-06-26 05:23:51.8310.02000.011.442025-06-26 05:23:56.4620.1183-0.840.0939.4
LSDGU2025-06-26 05:23:53.0300.02510.430.962025-06-26 05:23:58.4780.1544-0.070.9847.6
SENINCH2025-06-26 05:23:55.2250.0321-0.031.302025-06-26 05:24:02.3050.1765-0.900.1059.7
LATOIV2025-06-26 05:23:57.2300.08030.400.862025-06-26 05:24:05.2460.1002-0.290.5872.9


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
BLANCGUHH0.784.43e-111.4242
MRGE IVHH0.963.81e-114.3160
REMY GUHH0.441.25e-114.8108
DIX CHHH1.171.10e-139.453
LSD GUHH0.712.61e-247.6168
SENINCHHH0.832.14e-259.722


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.
(°)
COURMFRHHZ3.3381e-44.1257e-51.2213e-53.3203e-61.7908e-61.0224e-35.3627e-53.6093e-69.1922e-710.0211
COURMFRHHN3.4515e-44.5168e-51.9320e-55.1055e-62.7096e-69.8161e-45.8801e-54.5666e-69.0746e-710.0211
COURMFRHHE3.4215e-44.6743e-51.7767e-54.0741e-62.2039e-66.6365e-47.7089e-54.2375e-69.5913e-710.0211
BLANCGUHHZ3.8506e-54.8674e-62.5730e-65.5123e-73.0051e-71.0442e-41.3056e-54.9658e-71.0837e-711.4242
BLANCGUHHN6.8033e-58.1082e-63.2548e-61.1050e-65.5746e-71.4539e-41.4851e-59.4884e-71.9959e-711.4242
BLANCGUHHE4.8389e-57.9248e-64.0459e-61.2375e-67.2613e-71.9692e-41.7028e-51.0883e-61.7527e-711.4242
MRGE IVHHZ8.3014e-56.3847e-61.1313e-63.1884e-71.8854e-73.1496e-54.5777e-64.4426e-71.3801e-714.3160
MRGE IVHHN1.1933e-41.0944e-51.9486e-66.4565e-73.7788e-71.1723e-47.0517e-67.4935e-71.8401e-714.3160
MRGE IVHHE1.8005e-41.2698e-52.0301e-67.7664e-74.2269e-75.9852e-59.6787e-68.7173e-72.4419e-714.3160
REMY GUHHZ1.1116e-51.1685e-65.4125e-72.9499e-71.2359e-71.5184e-53.0906e-61.4827e-72.5256e-814.8108
REMY GUHHN2.0242e-52.6382e-61.0080e-63.9423e-71.6836e-72.3800e-54.3096e-62.7427e-75.7942e-814.8108
REMY GUHHE1.4594e-51.5419e-61.0753e-64.9924e-72.0686e-72.1582e-55.0974e-62.9242e-73.9782e-814.8108
DIX CHHHZ1.6387e-51.4941e-68.8307e-73.8736e-71.6555e-72.2173e-54.4347e-62.6330e-74.4375e-839.453
DIX CHHHN1.5090e-52.0519e-61.0493e-64.3518e-71.8065e-72.8125e-54.5404e-62.5860e-74.1415e-839.453
DIX CHHHE1.5897e-51.6150e-69.5001e-73.6351e-71.4058e-73.8390e-53.5296e-62.1579e-74.0822e-839.453
LSD GUHHZ4.1149e-64.2681e-71.4093e-75.4318e-82.4718e-83.8078e-67.9196e-73.4533e-87.8654e-947.6168
LSD GUHHN8.2321e-66.1541e-71.4317e-75.6101e-84.2836e-86.4247e-67.3061e-76.9359e-81.2327e-847.6168
LSD GUHHE5.4901e-65.3428e-72.1881e-76.7325e-82.9298e-89.1601e-68.5600e-75.3343e-81.2340e-847.6168
SENINCHHHZ2.5004e-66.2454e-73.4674e-71.0131e-75.4478e-85.5250e-61.1864e-67.8114e-81.3492e-859.722
SENINCHHHN1.8835e-62.3349e-71.5875e-76.1068e-82.4441e-84.4686e-67.9588e-73.3823e-85.9645e-959.722
SENINCHHHE2.8513e-64.2837e-72.3916e-79.3236e-83.3217e-86.5085e-61.1078e-65.1510e-88.2225e-959.722
*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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