MANUAL Location - Area: Alpi Cozie , magnitude (ML): 0.1
2025-07-19 19:25:04 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-07-21 07:30:44

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Earthquake info - Manual location
Event - ID :250719192410
Magnitude (ML) :0.1 +/- 0.2
Origin Time :2025-07-19 19:25:04.18 (UTC)
Location : Latitude: 44.578 N, Longitude: 6.681 E
Area :Alpi Cozie
Depth (km) :3.62
Distances (km) : 26.6 --- Bellino
27.0 --- Acceglio
27.9 --- Pontechianale
28.6 --- Argentera
30.8 --- Casteldelfino
31.4 --- Prazzo
32.6 --- Elva
34.6 --- Canosio
35.3 --- Marmora
36.2 --- Stroppo
38.1 --- Pietraporzio
40.1 --- Crissolo
40.3 --- Sampeyre
40.4 --- Macra
40.6 --- Claviere
40.9 --- Celle di Macra
41.0 --- Sambuco
41.8 --- Oncino
42.2 --- Ostana
42.6 --- Cesana Torinese

Quality location estimate: Erh: 1.1 km, Erz: 1.5 km, Nf: 14, Gap: 188 °, Rms: 0.12


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.
SURFFR2025-07-19 19:25:07.9200.00800.260.472025-07-19 19:25:10.2400.0441-0.011.6015.5
OGAGFR2025-07-19 19:25:09.6060.02000.001.632025-07-19 19:25:13.2500.0822-0.151.0726.3
PZZGU2025-07-19 19:25:11.2200.0221-0.190.762025-07-19 19:25:16.0300.0992-0.640.0835.8
RRLGU2025-07-19 19:25:12.2000.02410.051.442025-07-19 19:25:17.7100.11530.011.2639.5
ISOFR2025-07-19 19:25:14.2400.0261-0.021.502025-07-19 19:25:20.1420.0400-1.050.0352.9
BHBGU2025-07-19 19:25:14.5720.0200-0.021.502025-07-19 19:25:22.0270.04000.111.1354.3
RSPGU2025-07-19 19:25:18.9140.02000.290.612025-07-19 19:25:28.6430.0400-0.160.9278.5


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
OGAG FRHH-0.071.36e-226.3334
PZZ GUHH0.182.29e-235.8103
RRL GUHH0.096.10e-339.513
ISO FRHH-0.192.64e-352.9146
BHB GUHH0.235.98e-354.358
RSP GUHH0.283.59e-378.536


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.
(°)
OGAG FRHHZ6.6351e-71.7427e-71.3473e-75.2859e-82.4302e-82.6382e-67.7743e-73.4377e-84.6298e-926.3334
OGAG FRHHN1.0853e-62.1981e-71.1734e-74.1256e-82.3861e-83.5088e-64.6296e-73.1879e-85.5071e-926.3334
OGAG FRHHE1.1331e-61.7710e-71.2452e-74.6706e-82.4298e-82.3613e-67.1299e-72.9883e-84.5143e-926.3334
PZZ GUHHZ2.0099e-62.6084e-71.9779e-75.1982e-83.0151e-84.3927e-61.1002e-64.9877e-86.6951e-935.8103
PZZ GUHHN1.6434e-63.0413e-72.2334e-76.3004e-83.8757e-85.3835e-68.0354e-76.4364e-88.4711e-935.8103
PZZ GUHHE2.0193e-63.7077e-72.6485e-76.6293e-83.5490e-85.9655e-61.9231e-65.4083e-88.6304e-935.8103
RRL GUHHZ8.1232e-71.1242e-74.0044e-81.4122e-88.0622e-91.0018e-61.2852e-71.2421e-82.5164e-939.513
RRL GUHHN6.6817e-71.1253e-76.1263e-81.5869e-81.1346e-82.0511e-62.8403e-71.5944e-82.3092e-939.513
RRL GUHHE8.5585e-71.2501e-74.8961e-81.8064e-81.0480e-82.2013e-61.9338e-71.7110e-82.5611e-939.513
ISO FRHHZ7.0170e-78.1383e-82.3878e-87.1263e-96.0483e-91.0649e-67.1040e-89.9444e-92.0019e-952.9146
ISO FRHHN6.8721e-76.7935e-82.4773e-89.1748e-95.1470e-98.7341e-77.6866e-87.0651e-91.6930e-952.9146
ISO FRHHE7.9744e-77.8196e-82.6109e-89.3251e-94.8626e-91.3834e-61.0032e-77.1860e-91.7713e-952.9146
BHB GUHHZ7.8689e-79.7829e-84.9066e-82.1188e-82.9484e-81.8335e-61.9589e-77.2228e-82.7303e-954.358
BHB GUHHN5.7358e-78.7431e-84.6848e-81.7823e-81.7120e-81.8170e-61.8593e-73.4220e-82.1681e-954.358
BHB GUHHE6.1357e-77.7122e-83.5322e-81.3884e-81.3197e-81.2814e-61.7504e-72.9256e-81.7176e-954.358
RSP GUHHZ4.7466e-75.1452e-82.2790e-81.3951e-88.8801e-98.2064e-76.8531e-81.3412e-81.1095e-978.536
RSP GUHHN7.6673e-76.7386e-83.0349e-81.6708e-88.2098e-97.1805e-71.0716e-71.3320e-81.5609e-978.536
RSP GUHHE4.9625e-76.7796e-83.6652e-81.7750e-88.5854e-91.1634e-61.2960e-71.5096e-81.4651e-978.536
*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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