MANUAL Location - Area: Alpi Cozie , magnitude (ML): 0.3
2025-11-16 21:33:36 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-11-17 08:09:22

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Earthquake info - Manual location
Event - ID :251116213203
Magnitude (ML) :0.3 +/- 0.1
Origin Time :2025-11-16 21:33:36.504 (UTC)
Location : Latitude: 44.982 N, Longitude: 7.231 E
Area :Alpi Cozie
Depth (km) :4.60
Distances (km) : 4.0 --- Inverso Pinasca
4.0 --- Perosa Argentina
4.3 --- Pinasca
4.7 --- Pomaretto
7.2 --- Villar Perosa
8.1 --- Roure
8.7 --- Pramollo
9.1 --- San Germano Chisone
9.3 --- Cantalupa
9.7 --- Coazze
10.1 --- Roletto
10.2 --- Perrero
10.3 --- San Pietro Val Lemina
10.8 --- Frossasco
10.9 --- Porte
11.5 --- Cumiana
11.9 --- Giaveno
13.0 --- Pinerolo
13.1 --- Prarostino
13.7 --- Valgioie

Quality location estimate: Erh: 1.2 km, Erz: 2.1 km, Nf: 18, Gap: 135 °, Rms: 0.27


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.
BHBGU2025-11-16 21:33:40.5700.10250.360.942025-11-16 21:33:42.6360.0400-0.021.5417.3
RSPGU2025-11-16 21:33:40.6100.1035-0.011.512025-11-16 21:33:42.6910.0400-0.720.3319.6
RRLGU2025-11-16 21:33:43.9500.02000.311.082025-11-16 21:33:48.4730.15840.061.4136.0
OGMOFR2025-11-16 21:33:46.1030.02000.251.242025-11-16 21:33:51.7680.0400-0.450.3050.0
PZZGU2025-11-16 21:33:46.4070.02000.101.522025-11-16 21:33:53.1640.1002-0.021.3453.9
LSDGU2025-11-16 21:33:46.2610.0200-0.111.192025-11-16 21:33:52.1980.1905-0.990.2754.1
CANIGU2025-11-16 21:33:47.8310.02000.450.602025-11-16 21:33:55.1700.04000.071.4362.3
SURFFR2025-11-16 21:33:48.5780.02000.071.552025-11-16 21:33:57.1250.0400-0.021.3164.9
CIROGU2025-11-16 21:33:49.1850.0200-0.830.342025-11-16 21:33:58.0250.0400-1.340.0974.2


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
BHB GUHH0.093.91e-217.3171
RSP GUHH0.255.21e-219.68
RRL GUHH0.351.34e-236.0259
PZZ GUHH0.311.35e-253.9190
LSD GUHH0.491.19e-254.1352
CANI GUHH0.174.33e-362.335
CIRO GUHH0.392.59e-374.221


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.
(°)
BHB GUHHZ6.7057e-67.5733e-72.6521e-76.5294e-83.6806e-81.4467e-51.4724e-66.8728e-81.6915e-817.3171
BHB GUHHN9.1720e-69.7816e-74.0165e-79.1139e-87.3414e-81.8203e-51.3161e-61.3482e-72.8102e-817.3171
BHB GUHHE7.1228e-67.3883e-72.6352e-75.9469e-83.8113e-86.2496e-68.6658e-77.3110e-81.4139e-817.3171
RSP GUHHZ8.5317e-67.9750e-72.4794e-77.9822e-84.9449e-81.1452e-59.4790e-77.7422e-81.5269e-819.68
RSP GUHHN1.0648e-51.1195e-63.7033e-71.2137e-77.4735e-81.6729e-51.3084e-61.3577e-72.6075e-819.68
RSP GUHHE9.2586e-68.7353e-72.3091e-77.0153e-83.4298e-81.1033e-58.0075e-76.8923e-81.7451e-819.68
RRL GUHHZ8.0380e-71.3043e-75.3290e-82.4124e-81.4134e-81.9970e-63.4878e-71.7163e-83.5034e-936.0259
RRL GUHHN1.0670e-61.3374e-76.8909e-83.0562e-81.9281e-82.7372e-63.7623e-72.7310e-83.2757e-936.0259
RRL GUHHE7.4429e-71.6875e-71.0771e-73.5376e-81.7531e-82.1775e-66.6682e-72.9416e-84.6664e-936.0259
PZZ GUHHZ1.1417e-62.0146e-71.1551e-73.5797e-82.0497e-83.4523e-63.9193e-73.1488e-84.0533e-953.9190
PZZ GUHHN1.3602e-62.0065e-71.3352e-73.9022e-82.4838e-82.6354e-65.4249e-73.4919e-85.0729e-953.9190
PZZ GUHHE1.3678e-62.6243e-71.3172e-74.9150e-83.0440e-84.5026e-64.5953e-74.1927e-86.9614e-953.9190
LSD GUHHZ1.1788e-61.3180e-76.0093e-81.6419e-89.1789e-91.7099e-62.5041e-71.3182e-83.1078e-954.1352
LSD GUHHN1.5667e-62.0250e-78.4389e-82.6116e-81.1542e-82.8943e-63.8316e-71.8437e-83.7805e-954.1352
LSD GUHHE2.4058e-62.3911e-71.1008e-73.4081e-81.8682e-83.2611e-64.2150e-72.8263e-85.0771e-954.1352
CANI GUHHZ4.0356e-74.8200e-82.9268e-81.0931e-87.3173e-97.4434e-71.7544e-71.1529e-81.1940e-962.335
CANI GUHHN4.7495e-75.9042e-82.9648e-81.3085e-87.3204e-97.3092e-71.6153e-71.0300e-81.3608e-962.335
CANI GUHHE5.7516e-76.7714e-84.2695e-82.6426e-81.3832e-81.3116e-63.0347e-71.7138e-81.8667e-962.335
CIRO GUHHZ5.2582e-74.2618e-82.1545e-86.8895e-94.6061e-98.1405e-71.1066e-77.7618e-91.1799e-974.221
CIRO GUHHN5.3896e-75.5223e-81.9037e-87.0283e-95.0506e-96.8735e-71.0439e-78.4023e-91.1531e-974.221
CIRO GUHHE6.9356e-78.7761e-82.0935e-89.0807e-96.5931e-99.0194e-71.2114e-79.2800e-91.6715e-974.221
*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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