MANUAL Location - Area: Frignano , magnitude (ML): 1.7
2023-03-11 18:36:16 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2023-03-13 08:21:15

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Earthquake info - Manual location
Event - ID :230311183442
Magnitude (ML) :1.7 +/- 0.2
Origin Time :2023-03-11 18:36:16.656 (UTC)
Location : Latitude: 44.475 N, Longitude: 9.929 E
Area :Frignano
Depth (km) :11.08
Distances (km) : 6.3 --- Berceto
11.2 --- Valmozzola
11.3 --- Pontremoli
12.7 --- Corniglio
12.9 --- Borgo Val di Taro
15.8 --- Filattiera
16.1 --- Solignano
16.9 --- Monchio delle Corti
17.7 --- Mulazzo
18.2 --- Albareto
18.3 --- Bagnone
18.8 --- Zeri
19.8 --- Terenzo
20.3 --- Villafranca in Lunigiana
20.9 --- Calestano
21.3 --- Compiano
21.3 --- Palanzano
22.0 --- Tizzano Val Parma
22.0 --- Varsi
23.5 --- Bardi

Quality location estimate: Erh: 1 km, Erz: 1 km, Nf: 51, Gap: 57 °, Rms: 0.28


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.
GRAMGU2023-03-11 18:36:19.8700.00800.151.312023-03-11 18:36:21.8980.10020.051.6316.2
BVTIT2023-03-11 18:36:20.6120.02000.041.722023-03-11 18:36:23.3310.0400-0.051.7019.9
FIVIGU2023-03-11 18:36:23.0440.02000.480.902023-03-11 18:36:27.1370.04000.460.9432.6
MSSAIV2023-03-11 18:36:23.8400.0200-0.011.752023-03-11 18:36:28.7700.1123-0.500.4639.0
EQUIGU2023-03-11 18:36:23.9200.0201-0.101.552023-03-11 18:36:29.3690.23560.161.3040.3
PLMAGU2023-03-11 18:36:25.2270.0200-0.181.192023-03-11 18:36:31.1940.1564-0.760.2848.9
SARMGU2023-03-11 18:36:25.7400.0251-0.201.122023-03-11 18:36:32.7000.1524-0.081.3351.0
BOBIV2023-03-11 18:36:26.2200.02610.021.692023-03-11 18:36:33.5700.1002-0.091.3551.5
GORRGU2023-03-11 18:36:26.2900.0200-0.081.592023-03-11 18:36:33.1100.1594-0.730.3153.8
GSCLGU2023-03-11 18:36:27.6890.02000.331.062023-03-11 18:36:34.7600.1675-0.700.3455.4
TBG02GU2023-03-11 18:36:27.7290.0200-0.071.572023-03-11 18:36:36.1550.04000.131.4263.6
TBG01GU2023-03-11 18:36:28.5650.02000.401.002023-03-11 18:36:36.8630.04000.211.3365.5
CARDGU2023-03-11 18:36:28.5420.08030.161.422023-03-11 18:36:37.5100.04000.520.8667.5
BDIIV2023-03-11 18:36:29.2100.03610.011.622023-03-11 18:36:39.3980.07010.970.3371.2
MAIMGU2023-03-11 18:36:30.3500.03910.121.492023-03-11 18:36:39.5600.4349-0.620.5577.7
RNCAGU2023-03-11 18:36:30.4900.03910.540.822023-03-11 18:36:40.0170.04000.470.9578.3
GNVIT2023-03-11 18:36:32.5420.02002.260.012023-03-11 18:36:40.9870.04000.950.3580.0
POPMGU2023-03-11 18:36:31.9200.04120.790.432023-03-11 18:36:42.1000.24760.311.0982.2
PIIIV2023-03-11 18:36:33.3100.0482-0.330.772023-03-11 18:36:45.5100.4188-0.600.5896.9
PCPGU2023-03-11 18:36:35.9820.02000.980.302023-03-11 18:36:49.3690.04001.610.07110.5
QLNOGU2023-03-11 18:36:38.1420.02000.301.202023-03-11 18:36:52.5800.0400-0.310.89127.3
CANOGU2023-03-11 18:36:39.2660.02000.141.372023-03-11 18:36:55.2330.04000.251.10138.2
MDIIV2023-03-11 18:36:42.7800.07330.081.322023-03-11 18:37:02.2230.0400-0.500.66145.4
GARGNI2023-03-11 18:36:42.7190.0200-0.290.932023-03-11 18:37:00.9020.0400-1.940.00147.3
ROROGU2023-03-11 18:36:41.5070.02000.610.742023-03-11 18:36:59.2340.04001.150.29154.0
GBOSGU2023-03-11 18:36:43.1200.08440.231.242023-03-11 18:37:01.9440.04000.590.79168.4


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.		 Dist. (km) Azimuth
GRAM GUHH1.784.27e+016.280
BVT ITHN1.811.72e+019.9293
FIVI GUHN1.664.89e-132.6149
PLMA GUHH1.692.27e-148.9187
SARM GUEH1.431.43e-151.0131
GORR GUHH1.501.24e-153.8287
GSCL GUHH1.451.05e-155.4105
TBG02GUEH1.831.89e-163.6266
CARD GUHH1.801.55e-167.5138
BDI IVHH1.386.56e-271.2131
MAIM GUHH1.606.35e-277.7144
RNCA GUHH1.931.48e-178.3270
GNV ITHG2.001.68e-180.0267
PII IVHH1.503.41e-296.9150
PCP GUHH1.542.96e-2110.5274
QLNO GUHH1.682.65e-2127.3263
CANO GUHH2.227.38e-2138.2258
MDI IVHH2.003.88e-2145.4353
GARG NIEH2.175.56e-2147.323
RORO GUHH1.771.95e-2154.0255
GBOS GUHH1.921.08e-2168.4262


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.
(°)
GRAM GUHHZ1.9630e-42.7071e-51.6864e-55.3385e-62.5255e-63.2894e-48.6446e-53.8302e-67.0243e-716.280
GRAM GUHHN2.2450e-44.9406e-53.5484e-51.5986e-58.1889e-64.6419e-42.5051e-49.9496e-61.4700e-616.280
GRAM GUHHE2.5863e-45.2513e-54.1933e-51.2750e-55.7985e-64.4314e-42.2018e-48.2807e-61.1228e-616.280
BVT ITHNZ1.0676e-41.1299e-54.3083e-62.3908e-68.7070e-77.4202e-52.0582e-51.0796e-61.6572e-719.9293
BVT ITHNN9.9443e-52.2692e-51.3525e-56.1120e-63.5847e-62.4899e-48.5697e-54.7407e-65.5476e-719.9293
BVT ITHNE1.1482e-41.8056e-51.2160e-56.6218e-63.6545e-62.5929e-44.5316e-54.9857e-66.1380e-719.9293
FIVI GUHNZ2.8511e-54.4343e-62.8561e-61.1994e-65.8695e-78.3081e-51.3094e-57.2934e-71.0646e-732.6149
FIVI GUHNN2.7142e-55.1716e-64.7088e-61.6476e-68.7078e-74.6297e-53.2974e-51.2121e-61.5871e-732.6149
FIVI GUHNE2.5397e-55.1090e-64.1699e-62.0160e-67.3501e-78.6449e-51.7768e-59.9947e-71.1921e-732.6149
MSSA IVHHZ8.6102e-51.0519e-52.6226e-67.1224e-74.4638e-71.8286e-47.5702e-67.9947e-72.0470e-739.0242
MSSA IVHHN3.2039e-44.7963e-52.1192e-53.9734e-62.4290e-61.2607e-34.9173e-54.4620e-61.0594e-639.0242
MSSA IVHHE4.1871e-45.7763e-52.3787e-54.3149e-62.6884e-62.0881e-35.6165e-55.0651e-61.2695e-639.0242
EQUI GUHHZ4.8541e-61.1530e-68.6833e-74.4328e-72.0876e-79.8773e-65.0931e-62.9283e-73.7501e-840.3152
EQUI GUHHN7.9368e-61.4845e-61.1479e-66.6020e-72.6498e-71.7429e-57.8932e-63.3900e-74.5503e-840.3152
EQUI GUHHE9.4770e-61.5879e-69.5798e-73.3835e-71.7201e-72.0917e-56.0267e-62.5199e-73.5954e-840.3152
PLMA GUHHZ1.9917e-52.0152e-61.0500e-62.9680e-71.6689e-73.4306e-53.8663e-62.7919e-74.3871e-848.9187
PLMA GUHHN2.1066e-53.7569e-62.2155e-65.1734e-72.7288e-74.9005e-58.3332e-64.0461e-78.2902e-848.9187
PLMA GUHHE1.7166e-52.9039e-61.8240e-65.5322e-72.6146e-76.8636e-51.3114e-54.0052e-77.2171e-848.9187
SARM GUEHZ2.6968e-66.0400e-74.9898e-72.0358e-79.1545e-81.0045e-52.5403e-61.2401e-71.7703e-851.0131
SARM GUEHN6.7146e-61.5220e-61.4772e-66.7733e-72.7825e-71.2248e-56.1640e-63.6058e-74.5542e-851.0131
SARM GUEHE4.8366e-68.9256e-78.1433e-73.3144e-71.4520e-78.6380e-64.3629e-62.0812e-72.3456e-851.0131
BOB IVHHZ2.7994e-65.6621e-73.4191e-71.6433e-76.7419e-88.8337e-61.2243e-67.9850e-81.2933e-851.5311
BOB IVHHN5.1251e-68.5852e-75.5486e-72.7275e-71.0655e-79.3883e-62.8336e-61.3930e-72.2648e-851.5311
BOB IVHHE5.2231e-68.7126e-76.1604e-73.1078e-71.2505e-71.2221e-52.5592e-61.5502e-72.1325e-851.5311
GORR GUHHZ5.7154e-69.7120e-77.3941e-72.9342e-71.3034e-71.4154e-53.9732e-61.8138e-72.5001e-853.8287
GORR GUHHN7.4273e-61.6690e-61.1548e-64.1625e-71.7457e-71.7025e-55.8417e-62.2028e-73.8927e-853.8287
GORR GUHHE7.5511e-61.2351e-61.1991e-64.5513e-71.6923e-71.9808e-58.4179e-62.3462e-73.6408e-853.8287
GSCL GUHHZ1.8386e-64.0029e-73.2030e-71.4316e-77.0230e-85.7360e-61.5753e-69.8416e-81.4025e-855.4105
GSCL GUHHN3.8037e-69.7084e-78.9299e-73.4560e-71.6039e-78.0532e-64.8897e-62.1037e-73.0061e-855.4105
GSCL GUHHE3.1800e-61.1728e-68.3943e-74.3074e-71.9888e-76.2488e-63.4609e-62.8374e-72.9342e-855.4105
TBG02GUEHZ7.6510e-61.2019e-68.0484e-73.1439e-71.4210e-71.9233e-53.4778e-61.7344e-72.4845e-863.6266
TBG02GUEHN1.0392e-51.8184e-61.3508e-64.4102e-71.7885e-73.7115e-57.6586e-62.8000e-74.1391e-863.6266
TBG02GUEHE1.7151e-53.3052e-61.8315e-64.2838e-72.3788e-77.7514e-56.9733e-63.9191e-78.0563e-863.6266
TBG01GUEHZ1.5448e-52.6002e-62.0119e-68.4650e-74.2582e-73.5489e-58.9899e-65.4634e-76.8143e-865.5264
TBG01GUEHN2.1734e-56.6534e-64.1421e-61.2547e-67.5761e-75.1324e-52.2759e-51.0950e-61.6834e-765.5264
TBG01GUEHE1.6779e-53.2834e-62.7837e-61.0815e-64.1614e-74.1574e-51.4044e-55.1290e-77.8245e-865.5264
CARD GUHHZ7.7396e-69.0149e-74.6850e-71.6099e-77.9642e-81.9650e-51.8209e-61.2869e-72.1099e-867.5138
CARD GUHHN1.4632e-52.5088e-61.4877e-63.3353e-71.8470e-74.3058e-56.7619e-62.9212e-76.1737e-867.5138
CARD GUHHE1.0679e-52.3572e-61.3493e-63.7385e-71.8690e-73.3086e-54.5434e-62.6125e-75.1589e-867.5138
BDI IVHHZ2.6944e-64.2271e-73.3951e-71.2624e-75.4059e-81.0482e-51.8606e-67.2232e-81.1406e-871.2131
BDI IVHHN4.9051e-69.5439e-75.8840e-72.0573e-79.8222e-81.9130e-52.5506e-61.4012e-72.4262e-871.2131
BDI IVHHE4.4587e-68.4516e-76.0403e-72.4923e-71.1293e-71.6813e-53.0071e-61.5843e-72.2986e-871.2131
MAIM GUHHZ1.7585e-64.1038e-73.1331e-71.5802e-78.0485e-85.5473e-62.3658e-61.0287e-71.0682e-877.7144
MAIM GUHHN3.9781e-67.0329e-76.5462e-72.7073e-71.0319e-71.2200e-53.0599e-61.2470e-71.6768e-877.7144
MAIM GUHHE2.2414e-67.7851e-75.4975e-72.5816e-71.0198e-79.5636e-63.7817e-61.3660e-71.9432e-877.7144
RNCA GUHHZ6.2976e-61.1398e-67.6290e-72.9141e-71.4171e-72.7601e-53.5597e-62.1190e-73.6386e-878.3270
RNCA GUHHN6.5979e-61.1872e-61.0062e-63.3926e-71.5209e-71.9301e-53.7752e-62.2754e-73.2481e-878.3270
RNCA GUHHE1.3039e-52.7735e-61.4944e-63.8515e-71.8158e-75.8946e-55.2770e-62.9861e-76.3372e-878.3270
GNV ITHGZ7.0862e-61.0338e-67.0293e-73.9515e-72.3974e-71.4353e-53.1602e-63.2953e-72.9235e-880.0267
GNV ITHGN7.2603e-61.3653e-61.0318e-64.8243e-72.2782e-73.2515e-54.5738e-63.0804e-73.7905e-880.0267
GNV ITHGE9.9203e-62.0753e-61.7580e-66.7433e-73.1400e-73.9474e-57.7136e-63.8456e-75.4756e-880.0267
POPM GUHHZ4.1668e-65.5441e-73.2552e-71.2299e-74.9273e-81.5593e-51.4287e-66.6023e-81.1932e-882.2126
POPM GUHHN4.5376e-69.5114e-78.0053e-72.4892e-71.1881e-71.3975e-53.7116e-61.6526e-72.5887e-882.2126
POPM GUHHE3.3643e-68.4390e-76.8282e-72.2749e-79.0182e-81.1091e-53.2236e-61.2877e-72.3153e-882.2126
PII IVHHZ1.9016e-63.2095e-72.8452e-79.9311e-84.1047e-84.5594e-61.9870e-66.0093e-88.4956e-996.9150
PII IVHHN1.7499e-64.0915e-72.8181e-71.2751e-74.9619e-84.1267e-61.2731e-65.7494e-89.4960e-996.9150
PII IVHHE1.7156e-64.3884e-73.6900e-71.3618e-77.1406e-85.6363e-62.6883e-69.7613e-81.3217e-896.9150
PCP GUHHZ1.0602e-62.5940e-71.9252e-77.3733e-83.5651e-83.8041e-69.8703e-75.3588e-85.4918e-9110.5274
PCP GUHHN1.4128e-63.2562e-72.8167e-71.1873e-74.8482e-84.9700e-62.2498e-66.0213e-89.2245e-9110.5274
PCP GUHHE1.4617e-63.5118e-72.2422e-79.4192e-84.4625e-84.5321e-61.0944e-65.2306e-86.9807e-9110.5274
QLNO GUHHZ1.3300e-62.4851e-71.5003e-75.3193e-82.9433e-82.5260e-69.2452e-73.7343e-85.4139e-9127.3263
QLNO GUHHN1.6822e-63.5104e-72.6485e-79.4147e-85.3664e-83.4798e-61.7305e-66.8170e-88.4318e-9127.3263
QLNO GUHHE1.3644e-62.7335e-71.9861e-76.8794e-83.5248e-83.4020e-68.4694e-75.3482e-86.8121e-9127.3263
CANO GUHHZ1.9569e-63.5543e-72.6913e-79.5696e-87.1172e-85.7270e-61.6706e-61.2934e-71.3510e-8138.2258
CANO GUHHN2.0710e-65.9704e-76.1967e-72.3706e-79.7976e-84.4202e-64.4055e-61.3312e-72.0513e-8138.2258
CANO GUHHE2.1048e-66.4981e-74.7695e-72.3350e-71.3174e-76.1034e-63.2458e-62.1311e-72.0608e-8138.2258
MDI IVHHZ9.0309e-71.4138e-71.0842e-74.7094e-82.6747e-82.8152e-64.6091e-73.7541e-83.3986e-9145.4353
MDI IVHHN1.0223e-61.8835e-71.4649e-77.7483e-82.8018e-84.1766e-67.4680e-73.4652e-85.0837e-9145.4353
MDI IVHHE1.2195e-62.4766e-71.6373e-76.0746e-82.2592e-85.2821e-66.1440e-73.1720e-85.3050e-9145.4353
GARG NIEHZ8.7033e-72.0379e-71.5416e-75.5364e-82.9816e-82.7686e-68.9066e-74.1040e-85.3008e-9147.323
GARG NIEHN8.5658e-72.4441e-71.5681e-77.0047e-84.1110e-83.3596e-61.2499e-66.0395e-85.2268e-9147.323
GARG NIEHE8.0049e-71.8567e-71.6636e-76.3948e-84.2589e-82.0695e-61.7302e-67.6385e-85.4969e-9147.323
RORO GUHHZ6.6436e-71.4936e-78.6696e-83.7187e-82.5565e-82.4872e-63.9351e-74.9320e-83.4171e-9154.0255
RORO GUHHN1.1924e-62.2326e-71.1118e-73.7361e-81.8083e-83.4708e-64.5713e-72.3856e-84.0447e-9154.0255
RORO GUHHE1.1627e-61.8262e-71.0775e-73.4184e-81.9492e-83.0395e-64.3528e-72.9365e-84.2369e-9154.0255
GBOS GUHHZ4.2354e-78.1436e-85.1128e-82.4753e-81.7062e-81.3962e-62.0829e-72.4493e-82.9110e-9168.4262
GBOS GUHHN2.8903e-75.6832e-83.6422e-82.1030e-81.5556e-86.0239e-72.3360e-71.8699e-82.1210e-9168.4262
GBOS GUHHE3.4354e-74.8095e-83.4374e-81.8333e-81.4636e-89.3877e-71.4980e-72.0083e-81.5410e-9168.4262
*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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