AUTOMATIC Location - Area: Alpi Marittime , magnitude (ML): 1.1
2026-05-28 18:32:48 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2026-05-28 18:37:20

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Earthquake info - RsniPicker2 automatic location
Event - ID :260528183225
Magnitude (ML) :1.1 +/- 0.4
Origin Time :2026-05-28 18:32:48.869 (UTC)
Location : Latitude: 44.347 N, Longitude: 6.911 E
Area :Alpi Marittime
Depth (km) :11.10
Distances (km) : 6.0 --- Argentera (CN)
9.7 --- Pietraporzio (CN)
13.1 --- Sambuco (CN)
15.7 --- Acceglio (CN)
18.4 --- Canosio (CN)
19.1 --- Prazzo (CN)
19.2 --- Marmora (CN)
21.4 --- Vinadio (CN)
24.8 --- Stroppo (CN)
24.9 --- Aisone (CN)
25.0 --- Castelmagno (CN)
25.8 --- Elva (CN)
26.2 --- Celle di Macra (CN)
27.4 --- Macra (CN)
27.4 --- Bellino (CN)
29.9 --- Casteldelfino (CN)
30.6 --- Pradleves (CN)
31.0 --- Demonte (CN)
31.7 --- San Damiano Macra (CN)
32.1 --- Pontechianale (CN)

Quality location estimate:
Erh: 2.1 km, Erz: 2.7 km, Nf: 12, Gap: 228°, Rms: 0.17 s
Stazioni validate: 8


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.
ISOFR2026-05-28 18:32:53.6390.01400.001.692026-05-28 18:32:56.8100.0711-0.011.5624.0
PZZGU--:---.-----.---.--2026-05-28 18:32:58.3200.07910.001.5026.6
ENRGU2026-05-28 18:32:57.0090.1732-0.041.24--:---.-----.---.-- 43.9
MVIFFR2026-05-28 18:32:59.3200.13020.031.332026-05-28 18:33:06.1700.1642-0.620.3254.8
BHBGU2026-05-28 18:32:59.1500.0350-0.900.192026-05-28 18:33:07.0100.4142-0.760.3962.1
SAOFFR--:---.-----.---.--2026-05-28 18:33:09.5800.3482-0.040.8266.0
MGROGU2026-05-28 18:33:03.4300.0420-0.071.302026-05-28 18:33:13.7790.24020.120.8679.9
IMIGU2026-05-28 18:33:05.4700.04900.230.81--:---.-----.---.-- 92.9


RsniPicker2 - Automatic magnitude (ML) calculation results
Station Net Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth Used
ISO FR0.405.38e-224.0148SI
PZZ GU0.801.60e-126.643SI
ENR GU1.502.79e-143.9108SI
BHB GU0.902.14e-262.127SI
SAOF FR0.902.22e-266.0128SI
MGRO GU1.404.63e-279.9115SI
IMI GU1.606.49e-292.9121SI


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.
(°)
ISO FRHHZ1.1011e-51.2848e-60.0000e+07.6418e-71.4291e-62.0096e-61.3018e-51.8738e-61.7974e-73.1284e-824.0148
ISO FRHHN7.4940e-61.0922e-60.0000e+06.4508e-71.1959e-61.1959e-61.9518e-51.7004e-61.2714e-72.2589e-824.0148
ISO FRHHE8.7382e-69.7507e-70.0000e+05.5024e-71.0009e-61.3844e-61.2403e-51.7107e-61.2223e-71.9281e-824.0148
PZZ GUHHZ1.5111e-53.0530e-60.0000e+01.9396e-63.1015e-64.1756e-64.1241e-55.6315e-63.0137e-74.9268e-826.643
PZZ GUHHN1.3816e-52.6472e-60.0000e+01.3998e-62.4194e-62.4194e-64.6526e-54.4895e-62.9435e-75.1349e-826.643
PZZ GUHHE4.4764e-114.7463e-110.0000e+06.0940e-135.5319e-121.4606e-115.9780e-126.3864e-121.2103e-114.6165e-1226.643
ENR GUHHZ1.5087e-52.5209e-60.0000e+01.6904e-62.9352e-64.2344e-63.8780e-55.4478e-62.9448e-75.0780e-843.9108
ENR GUHHN4.4866e-54.6578e-60.0000e+03.0835e-65.2878e-65.2878e-68.0468e-58.7862e-66.6422e-79.2501e-843.9108
ENR GUHHE4.0106e-54.2997e-60.0000e+02.6655e-64.8610e-66.9505e-64.6755e-59.1743e-65.6419e-71.0227e-743.9108
BHB GUHHZ2.2325e-63.3900e-70.0000e+02.6912e-74.4341e-76.0856e-77.7965e-69.7248e-74.8409e-88.8230e-962.127
BHB GUHHN2.4024e-63.1792e-70.0000e+02.5396e-74.0556e-74.0556e-75.7723e-61.0065e-64.4319e-88.9045e-962.127
BHB GUHHE1.8928e-62.6378e-70.0000e+01.7058e-73.1288e-74.3551e-74.5294e-63.8883e-75.2680e-86.0813e-962.127
SAOF FRHHE1.8928e-62.6378e-70.0000e+01.7058e-73.1288e-74.3551e-74.5294e-63.8883e-75.2680e-86.0813e-966.0128
MGRO GUHHZ7.5374e-71.8433e-70.0000e+01.6377e-72.9021e-74.0015e-72.5563e-66.6013e-78.4190e-85.8482e-979.9115
MGRO GUHHN1.6348e-64.0004e-70.0000e+03.1202e-76.1862e-76.1862e-74.2858e-61.4159e-61.1051e-71.1413e-879.9115
MGRO GUHHE1.2205e-62.8096e-70.0000e+03.0330e-74.8296e-76.3588e-74.4117e-61.7072e-67.3131e-88.5876e-979.9115
IMI GUHHZ1.5087e-63.8305e-70.0000e+03.1661e-75.0904e-77.1720e-74.5878e-61.3805e-69.4307e-88.3707e-992.9121
IMI GUHHN3.0052e-67.6235e-70.0000e+06.5439e-71.0994e-61.0994e-68.5835e-62.8940e-61.3493e-72.1745e-892.9121
IMI GUHHE2.0504e-63.5136e-70.0000e+03.3200e-75.5722e-77.6478e-77.1338e-61.6015e-68.2192e-89.2175e-992.9121
*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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