MANUAL Location - Area: Lunigiana , magnitude (ML): 1.3
2024-09-16 23:56:52 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2024-09-17 05:41:57

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Earthquake info - Manual location
Event - ID :240916235625
Magnitude (ML) :1.3 +/- 0.2
Origin Time :2024-09-16 23:56:52.043 (UTC)
Location : Latitude: 44.090 N, Longitude: 9.991 E
Area :Lunigiana
Depth (km) :7.13
Distances (km) : 2.5 --- Castelnuovo Magra
3.4 --- Ameglia
3.4 --- Sarzana
4.4 --- Ortonovo
5.7 --- Fosdinovo
6.4 --- Lerici
7.1 --- Arcola
7.3 --- Carrara
10.0 --- Santo Stefano di Magra
10.3 --- Vezzano Ligure
12.7 --- Massa
12.7 --- Portovenere
13.1 --- Follo
13.5 --- Bolano
13.8 --- La Spezia
13.8 --- Podenzana
14.0 --- Aulla
16.8 --- Montignoso
17.5 --- Tresana
19.3 --- Casola in Lunigiana

Quality location estimate: Erh: 0.8 km, Erz: 1.2 km, Nf: 40, Gap: 115 °, Rms: 0.24


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.
PLMAIV2024-09-16 23:56:54.9900.00700.021.912024-09-16 23:56:56.5900.0421-0.520.6813.8
AULIT2024-09-16 23:56:55.1820.02000.151.112024-09-16 23:56:57.2070.04000.031.8515.1
EQUIGU2024-09-16 23:56:55.6100.0080-0.011.922024-09-16 23:56:57.8050.0521-0.400.7517.2
FIVIGU2024-09-16 23:56:56.3900.02000.121.292024-09-16 23:56:59.1430.0400-0.161.1521.3
CMEIT2024-09-16 23:56:57.7640.0200-0.111.372024-09-16 23:57:00.9870.0400-1.220.1530.0
CARIT2024-09-16 23:56:58.4560.0200-0.031.832024-09-16 23:57:02.6470.0400-0.580.6235.2
SARMGU2024-09-16 23:56:58.7200.01800.011.862024-09-16 23:57:03.2600.1023-0.410.8135.3
CARDGU2024-09-16 23:56:59.5500.02010.380.442024-09-16 23:57:04.3200.1203-0.161.2740.6
VRLIT2024-09-16 23:57:00.3170.0200-0.031.762024-09-16 23:57:05.5760.0400-0.930.3144.7
MAIMGU2024-09-16 23:57:00.3900.02310.111.432024-09-16 23:57:05.3220.2166-1.120.2545.2
MSSAIV2024-09-16 23:57:00.3700.0231-0.061.682024-09-16 23:57:05.8100.1374-0.940.3346.1
BDIIV2024-09-16 23:57:00.9800.02510.300.582024-09-16 23:57:06.7700.1454-0.340.9549.2
ERBMIV2024-09-16 23:57:01.7000.02510.121.382024-09-16 23:57:08.4200.1474-0.311.0150.4
BVTIT2024-09-16 23:57:01.6140.0200-0.310.802024-09-16 23:57:08.6960.0400-0.440.7953.4
GSCLGU2024-09-16 23:57:02.5900.0281-0.071.582024-09-16 23:57:09.7900.1655-0.720.5356.3
PIIIV2024-09-16 23:57:02.7300.03010.011.672024-09-16 23:57:10.0800.1795-0.620.6359.6
POPMGU2024-09-16 23:57:03.1400.03110.410.432024-09-16 23:57:10.7800.24860.011.1361.9
GORRGU2024-09-16 23:57:05.9600.06930.011.492024-09-16 23:57:15.9800.4639-0.730.5980.3
LSG06LK2024-09-16 23:57:06.8460.02000.430.432024-09-16 23:57:16.0990.0400-0.710.5381.9
RNCAGU2024-09-16 23:57:08.7100.04620.750.092024-09-16 23:57:19.5600.28070.440.6293.3


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
PLMA IVHH1.341.11e+013.8248
FIVI GUHN1.244.07e-121.333
CAR ITHN1.191.41e-135.2301
SARM GUEH1.081.32e-135.372
CARD GUHH1.532.35e-140.6100
MAIM GUHH0.883.81e-245.2116
MSSA IVHH0.884.12e-246.1304
BDI IVHH1.148.18e-249.293
ERBM IVEH0.994.42e-250.442
BVT ITHN1.591.57e-153.4338
GSCL GUHH1.471.05e-156.358
PII IVHH1.114.07e-259.6133
POPM GUHH1.491.86e-161.994
GORR GUHH1.576.20e-280.3316
RNCA GUHH1.493.65e-293.3298


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.
(°)
PLMA IVHHZ1.6172e-41.5000e-52.7796e-68.8373e-74.5326e-72.1163e-47.4747e-69.0401e-72.4406e-713.8248
PLMA IVHHN2.5622e-42.5920e-57.2310e-62.6332e-61.6961e-62.0671e-43.7701e-52.9541e-64.7147e-713.8248
PLMA IVHHE2.6932e-42.8675e-56.0111e-62.2880e-61.3090e-63.5966e-42.3275e-52.4708e-65.4266e-713.8248
EQUI GUHHZ2.7345e-53.4731e-61.6166e-64.8418e-72.7249e-73.5368e-58.5902e-63.5388e-77.5410e-817.257
EQUI GUHHN2.9705e-53.2726e-61.6996e-65.7583e-74.1313e-75.8947e-56.8049e-66.1059e-77.2028e-817.257
EQUI GUHHE3.4205e-53.1580e-69.8117e-72.9015e-71.5239e-73.6363e-54.6860e-62.8287e-76.0336e-817.257
FIVI GUHNZ6.0956e-58.8082e-64.2091e-69.1280e-75.0953e-71.6016e-41.5423e-58.6161e-71.8601e-721.333
FIVI GUHNN4.2297e-57.5572e-64.0104e-61.0047e-65.0270e-78.3580e-51.4956e-57.5255e-71.5437e-721.333
FIVI GUHNE5.4214e-57.1922e-63.5551e-61.0094e-66.2018e-72.0874e-41.7905e-59.1048e-71.6624e-721.333
CME ITHNZ1.9206e-52.8845e-62.0727e-62.1236e-61.4831e-66.3998e-58.9230e-62.0855e-61.1570e-730.0121
CME ITHNN2.6399e-59.2474e-63.1696e-65.3418e-67.8637e-66.8279e-51.6005e-51.4478e-57.3928e-730.0121
CME ITHNE3.5912e-54.7713e-62.6951e-61.2091e-66.9925e-71.1130e-41.5644e-58.3239e-71.0821e-730.0121
CAR ITHNZ1.1171e-51.3618e-66.7968e-73.6858e-71.9556e-71.5898e-52.9323e-62.6103e-73.1095e-835.2301
CAR ITHNN2.0390e-52.1406e-69.4651e-73.8437e-72.1309e-73.2851e-53.5758e-63.0385e-75.0533e-835.2301
CAR ITHNE1.3949e-51.7178e-61.0976e-64.3836e-72.1105e-73.2779e-54.5482e-63.1167e-74.9099e-835.2301
SARM GUEHZ1.2064e-51.3695e-65.3882e-71.4966e-77.5562e-82.7989e-52.0896e-61.1390e-72.8031e-835.372
SARM GUEHN1.3420e-51.8743e-61.1535e-64.1246e-71.7019e-73.6822e-54.3266e-62.4433e-74.1583e-835.372
SARM GUEHE1.1978e-51.3936e-66.6921e-72.6553e-71.2039e-71.6659e-52.6074e-61.8289e-73.2551e-835.372
CARD GUHHZ1.7738e-51.9609e-65.0074e-71.3074e-78.0370e-83.4755e-51.5927e-61.4956e-74.0807e-840.6100
CARD GUHHN6.2670e-57.1587e-61.8607e-64.3394e-72.4237e-71.2543e-46.4312e-64.9645e-71.4527e-740.6100
CARD GUHHE5.3545e-55.4399e-61.2403e-63.0920e-71.7249e-76.0774e-54.2645e-63.3260e-79.1631e-840.6100
MAIM GUHHZ3.6299e-64.1280e-72.1114e-77.7481e-84.1697e-87.4866e-61.2787e-65.9305e-89.1537e-945.2116
MAIM GUHHN6.6367e-68.3534e-73.1990e-71.0482e-75.0241e-81.1943e-51.3999e-67.9019e-81.6178e-845.2116
MAIM GUHHE5.0587e-66.0913e-73.8003e-71.0808e-75.6310e-81.3009e-51.8164e-68.5786e-81.4210e-845.2116
MSSA IVHHZ3.1742e-63.1867e-71.8821e-77.4019e-84.1356e-87.6887e-68.5784e-75.7077e-87.4706e-946.1304
MSSA IVHHN3.9401e-66.8978e-73.0852e-71.2879e-77.0495e-89.1174e-61.0099e-61.0155e-71.6034e-846.1304
MSSA IVHHE3.2889e-64.7093e-73.5492e-71.2945e-75.6491e-88.1350e-62.0280e-67.9107e-81.2650e-846.1304
BDI IVHHZ1.1999e-51.0812e-63.9765e-71.1812e-76.0632e-81.3424e-51.8944e-69.1072e-82.1902e-849.293
BDI IVHHN1.1575e-51.7279e-67.2802e-71.8281e-79.5813e-83.6019e-52.6532e-61.7535e-73.6046e-849.293
BDI IVHHE9.6801e-61.4098e-67.0128e-72.2159e-71.0545e-72.7345e-53.0422e-61.7111e-73.2842e-849.293
ERBM IVEHZ3.4404e-65.8251e-72.3753e-77.7193e-83.6824e-89.2745e-66.6260e-75.7761e-81.2304e-850.442
ERBM IVEHN3.8868e-66.3070e-74.3341e-71.0351e-75.8642e-81.4162e-51.5561e-69.0963e-81.6642e-850.442
ERBM IVEHE4.2989e-66.6478e-73.5122e-71.1201e-75.4307e-81.0925e-51.6391e-68.0100e-81.4102e-850.442
BVT ITHNZ8.1761e-68.3337e-76.1652e-73.4176e-71.7361e-78.7207e-63.5465e-62.3971e-72.2758e-853.4338
BVT ITHNN7.7307e-61.5726e-69.4042e-74.4222e-72.3561e-72.5625e-54.1034e-63.6620e-73.7386e-853.4338
BVT ITHNE9.7869e-61.7299e-61.4404e-63.9546e-72.0718e-71.9633e-57.1272e-63.0058e-75.1253e-853.4338
GSCL GUHHZ2.7400e-65.5257e-73.0145e-71.1847e-75.2149e-85.2502e-61.8057e-67.7564e-89.9243e-956.358
GSCL GUHHN3.9896e-61.0155e-68.3966e-72.9422e-71.3356e-78.3079e-65.3891e-62.0248e-73.0635e-856.358
GSCL GUHHE3.7223e-61.1074e-69.5870e-73.0640e-71.5047e-71.0364e-55.7706e-61.9536e-72.7906e-856.358
PII IVHHZ2.2069e-64.0766e-72.7908e-71.3196e-74.9712e-86.8272e-68.5881e-77.0190e-89.4047e-959.6133
PII IVHHN3.5324e-66.0678e-73.3176e-71.1278e-75.0554e-89.6709e-61.5891e-68.6465e-81.5507e-859.6133
PII IVHHE2.9112e-64.9259e-73.5308e-71.8243e-77.0901e-81.1236e-51.7304e-68.8108e-81.3215e-859.6133
POPM GUHHZ8.1586e-61.0677e-65.9907e-71.4461e-76.7186e-81.9937e-52.5621e-61.1967e-72.5105e-861.994
POPM GUHHN1.3487e-53.1193e-61.5566e-63.3192e-71.9824e-74.0334e-54.7252e-63.3754e-77.2409e-861.994
POPM GUHHE1.0938e-52.0247e-61.3283e-63.3302e-71.6347e-72.4787e-56.0901e-62.5803e-74.2669e-861.994
GORR GUHHZ3.2313e-66.3619e-75.0868e-71.6446e-76.2708e-81.0182e-52.6961e-69.1304e-81.5798e-880.3316
GORR GUHHN4.0002e-68.2308e-76.2951e-71.9632e-71.0439e-79.3523e-63.8210e-61.3154e-71.8172e-880.3316
GORR GUHHE4.0554e-67.9623e-75.2182e-71.9139e-77.7182e-81.6236e-52.4955e-61.0751e-71.6108e-880.3316
LSG06LKEHZ6.9677e-61.0366e-65.2921e-74.9310e-74.7435e-72.1579e-53.0540e-68.7970e-74.0412e-881.9302
LSG06LKEHN5.5655e-57.2696e-62.9668e-63.6643e-63.4233e-64.6721e-51.2512e-55.1822e-62.3829e-781.9302
LSG06LKEHE5.1163e-61.1072e-67.2077e-73.1643e-73.1139e-71.5083e-52.6856e-65.2491e-73.2935e-881.9302
RNCA GUHHZ2.6572e-63.8867e-71.7575e-76.7538e-83.4193e-85.9602e-67.3478e-75.3169e-89.7003e-993.3298
RNCA GUHHN2.8620e-64.7477e-72.9862e-79.4500e-84.8489e-87.0613e-61.7209e-66.6367e-81.0867e-893.3298
RNCA GUHHE4.3051e-66.2144e-73.1259e-79.3972e-84.8925e-81.1386e-51.1347e-68.8545e-81.4326e-893.3298
*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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