AUTOMATIC Location - Area: Mar Ligure , magnitude (ML): 1.0
2025-08-12 16:46:35 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-08-12 16:51:31

RSNI Logo


Earthquake info - RsniPicker2 automatic location
Event - ID :250812164618
Magnitude (ML) :1.0 +/- 0.1
Origin Time :2025-08-12 16:46:35.15 (UTC)
Location : Latitude: 43.454 N, Longitude: 8.213 E
Area :Mar Ligure
Depth (km) :29.04
Distances (km) : 48.8 --- San Lorenzo al Mare (IM)
49.8 --- Cipressa (IM)
49.9 --- Costarainera (IM)
49.9 --- Santo Stefano al Mare (IM)
50.4 --- Imperia (IM)
50.5 --- Riva Ligure (IM)
51.2 --- Terzorio (IM)
51.8 --- Pompeiana (IM)
51.9 --- Diano Marina (IM)
51.9 --- Civezza (IM)
53.2 --- Cervo (IM)
53.6 --- Castellaro (IM)
53.6 --- San Bartolomeo al Mare (IM)
53.8 --- Diano Castello (IM)
53.9 --- San Remo (IM)
54.0 --- Taggia (IM)
54.5 --- Diano San Pietro (IM)
54.6 --- Pietrabruna (IM)
54.8 --- Dolcedo (IM)
55.6 --- Andora (SV)

Quality location estimate:
Erh: 3.8 km, Erz: 6.5 km, Nf: 18, Gap: 179°, Rms: 0.214 s
Stazioni validate: 11


RsniPicker2 - Automatic location results
Station Net P arrival times P pick
err
P pick
weight
P res Nll
weight
S arrival time S pick
err
S pick
weight
S res Nll
weight
Dist.
IMIGU2025-08-12 16:46:44.7990.0831-0.111.502025-08-12 16:46:52.2300.19220.240.9863.9
BIGNGU2025-08-12 16:46:45.3200.03700.061.512025-08-12 16:46:51.5400.4282-1.010.3266.7
BURYGU--:---.-----.---.--2025-08-12 16:46:53.7090.2112-0.051.2670.5
MGROGU2025-08-12 16:46:47.2500.0430-0.201.262025-08-12 16:46:56.3600.2362-0.121.1778.6
ROROGU--:---.-----.---.--2025-08-12 16:46:55.9990.2392-0.061.1979.6
ESCAFR--:---.-----.---.--2025-08-12 16:46:57.2090.5253-0.820.5084.6
SAOFFR2025-08-12 16:46:48.2790.0711-0.011.562025-08-12 16:46:58.1600.25420.280.8784.6
TURFFR2025-08-12 16:46:49.6600.05110.051.492025-08-12 16:46:59.6500.5013-0.550.6892.5
GBOSGU--:---.-----.---.--2025-08-12 16:47:00.4300.4632-0.340.8297.0
MVIFFR--:---.-----.---.--2025-08-12 16:47:02.4500.5753-0.720.57102.6
ENRGU2025-08-12 16:46:52.2000.06010.031.462025-08-12 16:47:04.4140.5143-0.050.82111.1
MORSIFR2025-08-12 16:46:49.8600.0521-2.220.01--:---.-----.---.-- 112.4


RsniPicker2 - Automatic magnitude (ML) calculation results
Station Net Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth Used
IMI GU0.903.25e-263.9333SI
BURY GU0.901.71e-270.5305SI
MGRO GU1.102.28e-278.6334SI
RORO GU1.001.56e-279.6351SI
SAOF FR0.901.19e-284.6318SI
GBOS GU1.301.03e-297.0341SI
ENR GU1.201.77e-2111.1324SI
MORSIFR1.007.33e-3112.4120SI


Results of PGA, PGV, IH, spectral amplitudes (SA) values calculation
Station Net Channel PGA
(g)
PGV
(m/s)
PGD
(m)
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.
(°)
IMI GUHHZ2.6960e-62.6656e-70.0000e+01.5952e-72.9295e-74.2088e-73.5729e-65.5111e-78.1720e-87.8431e-963.9333
IMI GUHHN5.4447e-65.2320e-70.0000e+03.2342e-75.8015e-75.8015e-79.6168e-69.9673e-78.5272e-81.2220e-863.9333
IMI GUHHE5.2974e-65.9696e-70.0000e+02.3232e-74.4570e-76.5395e-78.3315e-65.6649e-77.8467e-81.0434e-863.9333
BURY GUHHZ1.2394e-61.6631e-70.0000e+08.2980e-81.7459e-72.6663e-71.6892e-63.0790e-71.0339e-75.0512e-970.5305
BURY GUHHN2.2952e-62.9842e-70.0000e+01.4482e-72.7896e-72.7896e-75.1623e-63.5503e-77.9868e-86.9970e-970.5305
BURY GUHHE2.0142e-62.6695e-70.0000e+01.3310e-72.4535e-73.6558e-72.3671e-63.6343e-76.5946e-87.0579e-970.5305
MGRO GUHHZ2.4046e-62.4771e-70.0000e+01.1599e-72.3801e-73.6049e-73.1157e-63.0193e-73.5906e-84.6958e-978.6334
MGRO GUHHN4.7551e-65.1807e-70.0000e+02.5781e-74.5727e-74.5727e-75.7787e-65.8193e-76.0525e-81.2865e-878.6334
MGRO GUHHE3.7307e-64.0655e-70.0000e+02.2002e-74.1279e-76.0234e-76.8406e-65.5855e-74.9356e-87.9677e-978.6334
RORO GUHHZ2.1622e-62.8643e-70.0000e+01.5725e-72.9445e-74.1770e-76.8248e-63.2766e-74.7548e-86.1624e-979.6351
RORO GUHHN2.2063e-63.6449e-70.0000e+01.9490e-73.7607e-73.7607e-76.7920e-63.9101e-74.7630e-86.7740e-979.6351
RORO GUHHE2.6967e-63.6754e-70.0000e+02.1871e-74.0022e-75.7919e-79.8082e-63.9904e-74.3280e-86.9987e-979.6351
SAOF FRHHE2.6967e-63.6754e-70.0000e+02.1871e-74.0022e-75.7919e-79.8082e-63.9904e-74.3280e-86.9987e-984.6318
GBOS GUHHZ9.2169e-71.5448e-70.0000e+07.8845e-81.5763e-72.3120e-72.2771e-61.8050e-72.8247e-82.9005e-997.0341
GBOS GUHHN1.1109e-61.3581e-70.0000e+08.0063e-81.6955e-71.6955e-71.7835e-62.9779e-73.9873e-83.9791e-997.0341
GBOS GUHHE1.0050e-61.7353e-70.0000e+09.6218e-81.9275e-72.8282e-72.2182e-62.5256e-73.1143e-83.4037e-997.0341
ENR GUHHZ2.4093e-62.4790e-70.0000e+01.3146e-72.4152e-73.4982e-74.3696e-64.7427e-74.5047e-85.9788e-9111.1324
ENR GUHHN4.1834e-64.3198e-70.0000e+02.3261e-74.4533e-74.4533e-78.7683e-65.2150e-75.3835e-81.0003e-8111.1324
ENR GUHHE5.3233e-64.8832e-70.0000e+02.0341e-73.9095e-75.8086e-74.3721e-63.7298e-77.0076e-88.3104e-9111.1324
MORSIFRHHZ9.5334e-71.2617e-70.0000e+07.7555e-81.4618e-72.3741e-72.4022e-62.3405e-79.2172e-84.5759e-9112.4120
MORSIFRHHN1.4073e-61.7006e-70.0000e+08.5975e-81.6815e-71.6815e-72.4115e-61.9175e-76.5301e-84.1158e-9112.4120
MORSIFRHHE9.1138e-71.0097e-70.0000e+06.2924e-81.2041e-71.8848e-71.4656e-62.2461e-75.9698e-84.1613e-9112.4120
*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)

rsni