MANUAL Location - Area: Mar Ligure , magnitude (ML): 1.7
2026-03-01 21:53:29 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2026-03-02 08:54:30

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Earthquake info - Manual location
Event - ID :260301215311
Magnitude (ML) :1.7 +/- 0.2
Origin Time :2026-03-01 21:53:29.884 (UTC)
Location : Latitude: 43.817 N, Longitude: 8.524 E
Area :Mar Ligure
Depth (km) :6.95
Distances (km) : 34.0 --- Andora
34.6 --- Laigueglia
35.0 --- Cervo
35.3 --- Alassio
35.9 --- Albenga
36.0 --- San Bartolomeo al Mare
36.9 --- Diano Marina
38.6 --- Villa Faraldi
38.7 --- Diano Castello
38.7 --- Diano San Pietro
38.8 --- Ceriale
39.7 --- Borghetto Santo Spirito
39.8 --- Villanova d Albenga
40.5 --- Imperia
40.6 --- Loano
41.5 --- Diano Arentino
41.8 --- Pietra Ligure
41.8 --- Finale Ligure
41.9 --- Garlenda
42.1 --- Borgio Verezzi

Quality location estimate: Erh: 0.9 km, Erz: 1 km, Nf: 70, Gap: 122 °, 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.
DNSPIT2026-03-01 21:53:37.1000.0200-0.021.782026-03-01 21:53:42.3050.04000.031.6739.0
ROROGU2026-03-01 21:53:38.6700.0311-0.001.762026-03-01 21:53:44.9200.15040.001.4749.7
IMIGU2026-03-01 21:53:39.1600.0271-0.131.502026-03-01 21:53:46.0110.2096-0.031.3652.2
PVTIT2026-03-01 21:53:39.4220.0200-0.330.972026-03-01 21:53:46.7770.0400-0.151.4154.6
SVAIT2026-03-01 21:53:39.9310.02000.021.742026-03-01 21:53:46.8670.0400-0.271.1655.2
QLNOIV2026-03-01 21:53:40.0600.0301-0.560.602026-03-01 21:53:48.1160.2446-0.211.1858.6
SNRMIT2026-03-01 21:53:40.4880.02000.320.872026-03-01 21:53:48.4330.04001.040.2659.5
GARSIT2026-03-01 21:53:40.3480.02000.161.432026-03-01 21:53:47.4620.0400-0.011.5459.6
BIGNGU2026-03-01 21:53:41.2400.03310.161.442026-03-01 21:53:49.6250.04000.640.4563.8
BRDIT2026-03-01 21:53:41.3450.0200-0.021.692026-03-01 21:53:49.9000.04000.350.9265.1
MLIGIV2026-03-01 21:53:42.0040.0200-0.580.572026-03-01 21:53:50.9410.0400-0.840.2870.3
GBOSGU2026-03-01 21:53:42.4500.03710.081.622026-03-01 21:53:51.3280.41680.161.0072.6
BURYGU2026-03-01 21:53:42.9800.0401-0.261.152026-03-01 21:53:52.5300.2356-0.091.2478.0
SAOFFR2026-03-01 21:53:44.3400.04120.251.142026-03-01 21:53:54.0630.3327-0.191.0780.3
RNCAGU2026-03-01 21:53:43.6000.05920.171.392026-03-01 21:53:54.8940.04001.820.0880.6
PCPGU2026-03-01 21:53:43.3300.0412-0.291.092026-03-01 21:53:53.3100.3287-0.211.0680.9
ESCAFR2026-03-01 21:53:45.9200.04720.101.502026-03-01 21:53:56.7400.2837-0.340.9792.5
TURFFR2026-03-01 21:53:46.1800.0472-0.001.572026-03-01 21:53:57.9870.54190.250.8592.6
CMAGIV2026-03-01 21:53:46.9060.02000.201.292026-03-01 21:53:58.9930.04000.470.7695.1
MSSAIV2026-03-01 21:53:45.4200.0482-0.730.372026-03-01 21:53:58.9350.04001.250.2097.1
ENRGU2026-03-01 21:53:46.7300.0894-0.341.042026-03-01 21:53:58.9730.5079-0.180.8999.9
STVGU2026-03-01 21:53:48.2500.0552-0.021.522026-03-01 21:54:00.9950.3618-0.151.01107.2
GORRGU2026-03-01 21:53:48.3340.02000.750.372026-03-01 21:54:01.8030.04001.880.07107.3
PLMAIV2026-03-01 21:53:48.0260.0200-0.450.832026-03-01 21:54:01.5200.3287-0.111.05109.7
MVIFFR2026-03-01 21:53:48.6870.0200-0.301.112026-03-01 21:54:02.2070.0400-0.390.94110.5
ROTMGU2026-03-01 21:53:50.4060.02000.700.412026-03-01 21:54:05.6630.04001.570.13115.7
MORSIFR2026-03-01 21:53:47.8000.0582-1.900.002026-03-01 21:54:01.0340.0400-2.910.00117.8
VINDIV2026-03-01 21:53:50.6520.02000.061.462026-03-01 21:54:05.3060.04000.201.10121.0
ISOFR2026-03-01 21:53:51.7900.06430.500.662026-03-01 21:54:07.2900.04000.990.33124.9
EQUIGU2026-03-01 21:53:52.0300.0673-0.021.432026-03-01 21:54:07.7800.04000.141.11136.1
PZZGU2026-03-01 21:53:52.8200.06930.111.352026-03-01 21:54:08.7940.0400-0.600.66136.2
BHBGU2026-03-01 21:53:55.2600.08141.360.002026-03-01 21:54:12.9120.04001.590.00151.3


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.		 Dist. (km) Azimuth
DNSP ITHN1.442.08e-139.0289
RORO GUHH1.601.83e-149.7312
IMI GUHH1.341.22e-152.2282
PVT ITHN1.611.57e-154.6297
SVA ITHG1.792.29e-155.2355
QLNO IVHH1.761.88e-158.6346
SNRM ITHN1.791.96e-159.5271
GARS ITHN1.922.63e-159.6317
BIGN GUEH1.621.14e-163.8276
BRD ITHN1.801.68e-165.1278
GBOS GUHH2.071.24e-172.6311
BURY GUHH1.353.99e-278.0267
SAOF FRHH1.273.07e-280.3284
RNCA GUHH1.626.84e-280.625
PCP GUHH1.607.13e-280.91
ESCA FRHH1.473.54e-292.5271
TURF FRHH1.624.98e-292.6281
ENR GUHH2.101.74e-199.9298
STV GUHH1.955.10e-2107.2297
GORR GUHH1.825.59e-2107.335
PLMA IVHH1.845.34e-2109.776
ROTM GUHH1.781.59e-1115.7353
MORSIFRHH1.241.16e-2117.8145
EQUI GUHH1.722.43e-2136.173
PZZ GUHH2.048.57e-2136.2305


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.
(°)
DNSP ITHNZ1.6771e-52.3813e-61.3900e-67.3266e-73.2804e-73.2027e-55.6236e-64.1571e-75.9028e-839.0289
DNSP ITHNN2.5980e-53.6490e-61.6571e-66.0578e-72.9121e-78.9844e-58.7827e-64.5386e-77.9653e-839.0289
DNSP ITHNE2.5549e-53.8830e-61.9737e-68.0955e-73.9473e-78.7980e-56.1959e-64.7004e-78.7708e-839.0289
RORO GUHHZ1.3735e-52.2337e-61.3662e-65.4972e-72.7270e-74.8383e-54.5725e-63.8264e-75.8202e-849.7312
RORO GUHHN1.4353e-52.6729e-61.1769e-63.7908e-71.7167e-74.1256e-53.5003e-62.6636e-75.2870e-849.7312
RORO GUHHE1.6442e-52.8279e-61.7899e-65.1750e-72.7200e-76.2224e-55.5950e-64.1800e-77.3181e-849.7312
IMI GUHHZ6.2071e-61.0372e-66.6699e-72.6807e-71.0248e-71.7703e-52.5139e-61.4624e-72.4513e-852.2282
IMI GUHHN1.4450e-52.1909e-61.3040e-64.4051e-71.9205e-73.7883e-56.6525e-62.4941e-74.6569e-852.2282
IMI GUHHE8.6367e-61.2504e-68.3086e-72.6799e-71.2390e-72.3271e-53.8388e-61.6651e-73.1173e-852.2282
PVT ITHNZ1.2777e-51.5931e-61.1582e-66.2593e-72.5006e-72.7698e-54.9947e-62.9691e-74.4474e-854.6297
PVT ITHNN2.3377e-52.7377e-61.1501e-63.7015e-71.6792e-73.6399e-53.6208e-62.5406e-76.2531e-854.6297
PVT ITHNE2.4505e-52.9212e-61.1702e-64.5095e-71.9410e-75.4078e-53.4699e-62.7948e-76.9908e-854.6297
SVA ITHGZ1.1347e-51.7691e-69.3286e-73.9835e-72.4340e-72.3908e-53.5482e-63.5961e-73.5505e-855.2355
SVA ITHGN1.5509e-52.7120e-62.0205e-65.3557e-73.2062e-74.3516e-51.1598e-54.2693e-77.6109e-855.2355
SVA ITHGE1.3919e-52.8703e-62.1934e-68.2356e-73.7468e-74.7425e-51.0125e-55.0612e-78.0836e-855.2355
QLNO IVHHZ1.2477e-51.5043e-61.1429e-64.2948e-71.6674e-71.8936e-56.4031e-62.3848e-73.4902e-858.6346
QLNO IVHHN1.3343e-52.3500e-61.9421e-66.9574e-72.6711e-73.2023e-58.9421e-64.1820e-76.9717e-858.6346
QLNO IVHHE1.7185e-52.1549e-61.7069e-65.2114e-72.3063e-74.0380e-56.0766e-63.8732e-75.3693e-858.6346
SNRM ITHNZ1.1038e-52.1396e-61.0143e-63.7606e-71.7608e-72.8699e-57.8708e-62.6073e-74.4317e-859.5271
SNRM ITHNN1.4520e-52.5706e-61.8880e-65.9497e-73.4026e-74.8949e-51.2736e-55.4675e-77.4608e-859.5271
SNRM ITHNE1.4197e-52.5313e-61.4566e-66.5122e-73.2801e-75.5005e-57.6043e-64.3398e-75.5378e-859.5271
GARS ITHNZ9.8336e-61.3779e-68.4921e-74.7662e-72.2559e-72.6095e-53.1133e-62.6779e-73.6715e-859.6317
GARS ITHNN1.8684e-53.9615e-62.4939e-67.9024e-73.9124e-74.3420e-51.1322e-56.0166e-78.9146e-859.6317
GARS ITHNE1.1491e-52.8521e-61.9543e-65.6450e-72.6048e-74.2532e-59.5583e-64.1897e-77.1674e-859.6317
BIGN GUEHZ5.8144e-68.5259e-74.1741e-71.5932e-76.6039e-81.5417e-52.2514e-61.0451e-71.9668e-863.8276
BIGN GUEHN1.1163e-51.7799e-61.0539e-64.7750e-71.6555e-73.5648e-54.5063e-62.5947e-74.6609e-863.8276
BIGN GUEHE1.4767e-51.8857e-66.9804e-72.8115e-71.2566e-73.0441e-52.9150e-61.9243e-73.5635e-863.8276
BRD ITHNZ4.6684e-67.8952e-75.9849e-73.0216e-71.7766e-78.1871e-63.3163e-62.3009e-72.3395e-865.1278
BRD ITHNN4.0620e-61.1391e-69.8943e-75.6365e-72.3955e-78.8328e-66.3963e-63.1297e-72.7703e-865.1278
BRD ITHNE6.4374e-61.4840e-61.2362e-69.1088e-76.7298e-71.7433e-51.0208e-57.8303e-75.9487e-865.1278
GBOS GUHHZ1.0537e-51.9497e-61.3874e-64.7697e-71.9661e-76.0613e-57.8833e-62.8639e-74.9932e-872.6311
GBOS GUHHN1.0866e-51.8543e-61.1941e-64.3286e-71.7570e-75.2478e-54.3750e-62.7113e-74.4836e-872.6311
GBOS GUHHE1.2401e-52.2334e-61.2158e-63.8498e-71.8342e-75.0051e-54.4414e-62.9748e-75.2442e-872.6311
BURY GUHHZ2.7171e-63.8338e-72.7767e-78.6268e-84.8089e-88.5336e-61.5646e-66.4589e-88.5086e-978.0267
BURY GUHHN4.4561e-66.8267e-73.8900e-71.3023e-74.9252e-81.2431e-51.7047e-67.6355e-81.4206e-878.0267
BURY GUHHE4.2159e-66.5008e-73.4739e-71.1240e-74.5228e-88.8579e-61.2483e-66.8284e-81.3475e-878.0267
SAOF FRHHZ1.5766e-63.5030e-72.8788e-71.5557e-75.6593e-85.7103e-61.5345e-67.2447e-89.1445e-980.3284
SAOF FRHHN2.1809e-63.1869e-72.7594e-71.1675e-74.9829e-87.1158e-61.5306e-66.5863e-89.0639e-980.3284
SAOF FRHHE2.1027e-64.4762e-73.3248e-71.4012e-75.5702e-84.9716e-61.4521e-66.6445e-89.7894e-980.3284
RNCA GUHHZ4.0355e-67.4999e-74.8498e-71.5698e-76.3329e-81.6761e-52.4132e-69.3912e-81.6722e-880.625
RNCA GUHHN3.2675e-68.2939e-76.0423e-71.9590e-78.2500e-87.7662e-62.9501e-61.3096e-72.0374e-880.625
RNCA GUHHE3.7123e-68.1323e-76.6295e-72.5470e-71.0909e-71.5781e-53.4132e-61.4760e-72.5191e-880.625
PCP GUHHZ2.7409e-64.9300e-75.2128e-72.4832e-71.0600e-71.1675e-52.5434e-61.4479e-71.8564e-880.91
PCP GUHHN2.7245e-65.4666e-75.1747e-72.3870e-77.7018e-87.7655e-62.1579e-69.3547e-81.4283e-880.91
PCP GUHHE3.2073e-67.1515e-76.7109e-72.6871e-71.2090e-71.1357e-52.4118e-61.7445e-72.3099e-880.91
ESCA FRHHZ1.5969e-63.1333e-72.2054e-71.1850e-74.1695e-83.7848e-68.8474e-75.3063e-87.2550e-992.5271
ESCA FRHHN2.4936e-64.5378e-73.3229e-71.4248e-75.7785e-88.7042e-62.2594e-66.8808e-81.2151e-892.5271
ESCA FRHHE1.9231e-63.7053e-73.1632e-71.7070e-77.8311e-89.5943e-61.5163e-69.6374e-81.1113e-892.5271
TURF FRHHZ2.0320e-63.7454e-72.6868e-71.4495e-74.6736e-85.6690e-61.2317e-66.1471e-81.0139e-892.6281
TURF FRHHN2.7881e-65.6509e-74.4876e-71.8335e-77.1582e-81.1820e-52.0483e-68.8128e-81.5219e-892.6281
TURF FRHHE2.9503e-65.4906e-74.7210e-71.8630e-77.2594e-87.7871e-62.4533e-68.9836e-81.3933e-892.6281
CMAG IVHHZ1.0149e-51.6410e-61.3757e-64.6767e-72.0085e-72.1578e-55.4911e-62.8386e-74.9952e-895.1327
CMAG IVHHN1.1452e-52.3957e-62.0788e-69.1350e-73.5455e-74.7978e-51.1201e-55.0554e-77.0025e-895.1327
CMAG IVHHE9.7768e-62.3930e-62.1454e-67.8507e-73.4241e-72.4174e-59.8548e-65.2560e-76.6546e-895.1327
MSSA IVHHZ9.9206e-72.2039e-71.9195e-79.1733e-83.7458e-83.7216e-68.9370e-74.4929e-85.5266e-997.155
MSSA IVHHN1.0510e-62.3215e-71.8551e-77.3267e-84.1963e-84.3004e-69.8063e-75.4651e-85.0261e-997.155
MSSA IVHHE8.9544e-72.6463e-71.9606e-71.0960e-74.4869e-83.3240e-69.1800e-75.4394e-86.3638e-997.155
ENR GUHHZ1.1219e-51.6183e-68.8352e-72.4393e-71.2420e-73.0200e-53.4229e-62.0513e-73.5025e-899.9298
ENR GUHHN3.2081e-54.2013e-61.4467e-64.5038e-72.2594e-77.8097e-54.7187e-64.6497e-71.0471e-799.9298
ENR GUHHE3.0382e-53.2220e-61.2061e-64.4377e-71.9208e-75.7983e-54.2936e-63.6021e-77.3476e-899.9298
STV GUHHZ4.6903e-66.0247e-74.6913e-71.7299e-78.7274e-81.3316e-52.8175e-61.2966e-71.8467e-8107.2297
STV GUHHN4.5548e-66.4151e-74.8126e-71.4685e-76.1828e-89.8753e-62.4668e-69.4541e-81.7157e-8107.2297
STV GUHHE4.6692e-67.4975e-74.8035e-71.4717e-76.7500e-81.1744e-53.3627e-69.5947e-81.5510e-8107.2297
GORR GUHHZ2.0777e-65.0771e-73.4323e-71.0459e-74.8670e-83.8073e-62.0033e-67.2643e-81.2283e-8107.335
GORR GUHHN1.8533e-64.5808e-73.8427e-71.4220e-76.6814e-86.3278e-61.7254e-69.0765e-81.1890e-8107.335
GORR GUHHE2.8924e-67.4265e-75.1600e-71.8039e-78.4224e-86.8426e-61.4919e-61.1723e-71.8160e-8107.335
PLMA IVHHZ9.3771e-72.4444e-72.3217e-71.1039e-76.1980e-82.6905e-61.1492e-67.5956e-86.5204e-9109.776
PLMA IVHHN1.9781e-64.8039e-74.9619e-72.5749e-71.0566e-74.1866e-62.9780e-61.1554e-71.5255e-8109.776
PLMA IVHHE1.8426e-63.8358e-73.6761e-71.6115e-78.4499e-84.1430e-62.4571e-61.0590e-71.4085e-8109.776
ROTM GUHHZ1.6504e-64.0668e-74.3508e-72.5649e-79.6933e-84.8549e-62.0888e-61.3968e-71.3823e-8115.7353
ROTM GUHHN4.5383e-61.3450e-61.1641e-64.9445e-71.9410e-71.3213e-55.4963e-62.6811e-73.8074e-8115.7353
ROTM GUHHE3.7571e-61.0406e-61.0293e-64.6342e-71.8241e-78.5900e-66.8094e-62.6291e-73.0210e-8115.7353
MORSIFRHHZ1.6941e-61.8261e-71.0442e-73.3445e-81.7242e-85.0916e-64.5488e-72.2327e-84.4138e-9117.8145
MORSIFRHHN1.9957e-62.2230e-79.5580e-83.6725e-81.6069e-84.9213e-64.9655e-72.5245e-85.4777e-9117.8145
MORSIFRHHE2.2060e-62.8172e-71.0067e-72.9936e-81.7264e-84.1879e-64.4322e-72.3905e-85.2046e-9117.8145
ISO FRHHZ1.3845e-61.8076e-71.0171e-75.1324e-82.2046e-83.9337e-62.6898e-72.7982e-84.2354e-9124.9290
ISO FRHHN8.7948e-71.8698e-71.5630e-77.0297e-83.2084e-83.7619e-66.8774e-74.4080e-85.6915e-9124.9290
ISO FRHHE8.6786e-71.4203e-78.7599e-83.9965e-81.8396e-83.0922e-63.6922e-72.5820e-83.7796e-9124.9290
EQUI GUHHZ4.3894e-71.0819e-77.4420e-83.9005e-81.8715e-81.0791e-64.6826e-72.2102e-82.1956e-9136.173
EQUI GUHHN4.8748e-71.6294e-71.2590e-77.4784e-83.9384e-82.0544e-68.7975e-75.0939e-84.9001e-9136.173
EQUI GUHHE4.8898e-71.4176e-79.2587e-88.9072e-81.0272e-71.3914e-65.3960e-71.9939e-71.0361e-8136.173
PZZ GUHHZ2.2848e-66.4687e-75.7461e-71.9782e-78.7590e-87.0978e-64.5094e-61.2408e-71.7679e-8136.2305
PZZ GUHHN2.6456e-67.1157e-77.6159e-74.5849e-71.3442e-77.8185e-64.3876e-61.7032e-72.1293e-8136.2305
PZZ GUHHE3.3681e-68.3726e-76.6242e-73.1238e-71.0917e-78.3662e-64.2642e-61.4013e-71.8037e-8136.2305
BHB GUHHZ1.4473e-62.3564e-71.6172e-76.7245e-83.1149e-84.5398e-69.6728e-75.3896e-86.4167e-9151.3319
BHB GUHHN9.7501e-73.0634e-72.6292e-71.9185e-77.9724e-83.4907e-62.1356e-61.0545e-71.0527e-8151.3319
BHB GUHHE1.4639e-63.7897e-72.6731e-71.2518e-75.1222e-84.1567e-61.3715e-66.7026e-89.0902e-9151.3319
*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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