MANUAL Location - Area: Alpi Cozie , magnitude (ML): 0.8
2021-07-26 02:09:57 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2021-07-26 11:12:42

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Earthquake info - Manual location
Event - ID :210726020930
Magnitude (ML) :0.8 +/- 0.2
Origin Time :2021-07-26 02:09:57.836 (UTC)
Location : Latitude: 44.503 N, Longitude: 7.207 E
Area :Alpi Cozie
Depth (km) :6.01
Distances (km) : 2.3 --- Macra
3.1 --- Celle di Macra
4.1 --- San Damiano Macra
6.4 --- Stroppo
6.9 --- Cartignano
8.5 --- Sampeyre
9.4 --- Frassino
10.2 --- Elva
10.2 --- Marmora
10.4 --- Castelmagno
10.9 --- Pradleves
11.1 --- Roccabruna
11.1 --- Canosio
11.1 --- Melle
11.9 --- Valmala
12.2 --- Prazzo
13.0 --- Dronero
13.9 --- Monterosso Grana
14.0 --- Villar San Costanzo
14.3 --- Brossasco

Quality location estimate: Erh: 0.9 km, Erz: 0.8 km, Nf: 40, Gap: 80 °, Rms: 0.29


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.
PZZGU2021-07-26 02:10:00.1200.0090-0.001.662021-07-26 02:10:01.2930.0400-0.471.0310.4
STVGU2021-07-26 02:10:03.6500.01700.061.542021-07-26 02:10:06.9900.1033-0.590.8631.0
SURFFR2021-07-26 02:10:03.9800.0170-0.101.442021-07-26 02:10:07.4830.5559-1.180.3831.9
ENRGU2021-07-26 02:10:04.3200.02910.011.652021-07-26 02:10:08.3000.1163-0.510.9735.5
BHBGU2021-07-26 02:10:04.7700.02110.101.342021-07-26 02:10:09.2050.2637-0.141.2537.7
ISOFR2021-07-26 02:10:05.4300.02010.490.262021-07-26 02:10:09.8800.12130.101.2838.2
RRLGU2021-07-26 02:10:08.1830.0200-0.101.462021-07-26 02:10:15.2090.1002-0.471.0157.5
GBOSGU2021-07-26 02:10:08.0500.0311-0.111.442021-07-26 02:10:14.7090.3267-0.520.9358.5
TURFFR2021-07-26 02:10:08.9410.0200-0.051.552021-07-26 02:10:16.1390.5409-0.720.7060.8
SAOFFR2021-07-26 02:10:09.8010.02000.280.772021-07-26 02:10:16.6800.3057-1.010.4264.0
MVIFFR2021-07-26 02:10:10.5190.02000.270.802021-07-26 02:10:18.5740.2416-0.570.8867.9
MGROGU2021-07-26 02:10:10.0790.0200-0.381.072021-07-26 02:10:18.8900.2186-0.480.9970.5
RSPGU2021-07-26 02:10:10.4770.02000.171.142021-07-26 02:10:18.5600.3447-0.440.9872.2
BNIMN2021-07-26 02:10:11.1500.0381-0.021.492021-07-26 02:10:19.5000.2677-1.100.3574.3
ESCAFR2021-07-26 02:10:11.9750.02000.280.802021-07-26 02:10:21.1200.2346-0.261.1576.2
ROROGU2021-07-26 02:10:11.6840.0200-0.291.152021-07-26 02:10:21.5600.2937-0.121.1381.2
IMIGU2021-07-26 02:10:12.5970.0200-0.151.362021-07-26 02:10:22.8730.2677-0.411.0285.9
CANOGU2021-07-26 02:10:13.1100.0452-0.550.922021-07-26 02:10:23.4200.4539-1.260.3288.5
PCPGU2021-07-26 02:10:16.1400.05420.230.972021-07-26 02:10:28.1300.5469-0.570.77106.4
LSDGU2021-07-26 02:10:16.7240.02000.810.062021-07-26 02:10:27.8400.5589-0.700.69106.7


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
PZZ GUHH0.676.85e-110.4273
STV GUHH0.552.83e-231.0162
ENR GUHH0.685.92e-235.5151
BHB GUHH0.643.21e-237.77
ISO FRHH0.683.73e-238.2199
RRL GUHH0.568.36e-357.5325
GBOS GUHH0.961.55e-258.5120
TURF FRHH0.651.35e-260.8166
MGRO GUHH0.608.79e-370.5137
RSP GUHH0.781.36e-272.24
ESCA FRHH1.082.23e-276.2170
RORO GUHH1.072.03e-281.2122
IMI GUHH1.001.90e-285.9140
CANO GUHH1.182.04e-288.5112
PCP GUHH0.968.57e-3106.487
LSD GUHH1.131.16e-2106.7357


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.
(°)
PZZ GUHHZ9.5506e-51.1202e-55.1095e-61.5700e-69.0311e-71.1660e-43.2928e-51.3494e-62.3676e-710.4273
PZZ GUHHN9.8820e-51.2005e-54.2051e-61.1822e-66.4085e-71.2753e-42.1780e-51.0846e-62.5229e-710.4273
PZZ GUHHE1.0402e-41.3009e-55.6389e-61.8863e-68.6993e-71.5558e-43.3911e-51.2569e-62.7197e-710.4273
STV GUHHZ3.9648e-65.2819e-72.5013e-76.5244e-83.7459e-81.2267e-57.3320e-75.9022e-81.1410e-831.0162
STV GUHHN6.8470e-68.4627e-71.6863e-75.6859e-83.1896e-81.2764e-56.1087e-75.9205e-81.6622e-831.0162
STV GUHHE5.4897e-65.7532e-72.1488e-75.8899e-82.9596e-88.9028e-66.1098e-75.2858e-81.1508e-831.0162
ENR GUHHZ1.0502e-51.0957e-61.9885e-74.7201e-82.9424e-89.5718e-67.0754e-77.2325e-81.8768e-835.5151
ENR GUHHN1.9923e-51.6594e-63.5031e-71.3043e-77.4988e-81.3684e-51.3894e-61.5422e-73.3884e-835.5151
ENR GUHHE2.3547e-52.0395e-62.9386e-78.4208e-84.3251e-81.5765e-59.9740e-71.0004e-72.8461e-835.5151
BHB GUHHZ8.0519e-69.4942e-72.7584e-79.6022e-85.7026e-81.5291e-51.2552e-61.0695e-72.1222e-837.77
BHB GUHHN5.4218e-66.0252e-72.7644e-75.9118e-82.9697e-86.8019e-69.4457e-75.2613e-81.2626e-837.77
BHB GUHHE6.4536e-66.8725e-72.4187e-71.2492e-76.5235e-81.0816e-51.0653e-61.0725e-71.6632e-837.77
ISO FRHHZ5.1093e-67.3664e-73.5182e-71.1316e-75.7877e-81.0713e-51.6549e-68.5447e-81.7305e-838.2199
ISO FRHHN5.1873e-65.3420e-71.7069e-75.0393e-82.9962e-87.0141e-67.2434e-75.6741e-81.2372e-838.2199
ISO FRHHE6.3634e-68.3389e-72.4892e-76.7875e-83.8291e-81.1423e-51.2438e-67.2395e-81.6946e-838.2199
RRL GUHHZ1.0250e-61.1151e-75.0572e-81.8504e-87.7105e-91.7890e-63.4185e-71.0045e-82.6029e-957.5325
RRL GUHHN1.1095e-61.5215e-78.3797e-82.0973e-81.1283e-83.7373e-63.6401e-71.6187e-83.4915e-957.5325
RRL GUHHE1.0350e-61.3362e-78.1753e-82.3120e-81.1485e-83.2494e-64.2649e-71.4978e-83.4663e-957.5325
GBOS GUHHZ1.8397e-62.3023e-71.5000e-74.2673e-82.1903e-84.3540e-68.4361e-73.4193e-85.8273e-958.5120
GBOS GUHHN1.2573e-62.1818e-71.5139e-74.2424e-82.6334e-85.0262e-67.8967e-74.5197e-88.9440e-958.5120
GBOS GUHHE1.5723e-62.3481e-71.4586e-73.2493e-81.9946e-84.7496e-67.7551e-72.9191e-85.6698e-958.5120
TURF FRHHZ7.9435e-79.7746e-87.6189e-83.3154e-81.5577e-81.7981e-65.0052e-72.5081e-83.2249e-960.8166
TURF FRHHN1.1286e-61.7515e-71.1078e-73.8910e-81.9425e-83.8908e-66.1375e-73.4235e-85.2409e-960.8166
TURF FRHHE9.4725e-71.4698e-78.1659e-83.2243e-81.9426e-82.8977e-63.4988e-73.3656e-83.5575e-960.8166
MGRO GUHHZ5.5977e-78.0072e-84.6967e-82.3127e-81.5220e-81.2147e-62.1904e-71.9566e-82.8882e-970.5137
MGRO GUHHN7.8697e-71.4454e-78.3725e-83.0790e-81.4041e-81.8992e-65.1177e-72.1248e-83.4954e-970.5137
MGRO GUHHE6.2444e-79.4554e-86.9413e-82.8888e-81.4341e-81.8683e-63.2779e-72.0760e-82.4854e-970.5137
RSP GUHHZ1.5443e-61.4764e-76.7570e-82.5920e-81.3750e-82.1180e-61.9711e-71.8871e-83.3019e-972.24
RSP GUHHN1.5701e-62.3347e-71.1446e-73.7487e-81.8687e-83.7960e-63.9851e-72.1868e-84.7899e-972.24
RSP GUHHE1.4811e-61.6370e-78.5472e-82.9031e-81.3909e-83.6112e-62.7024e-72.3322e-83.6695e-972.24
ESCA FRHHZ1.1533e-61.4502e-71.0547e-73.1251e-81.9125e-81.9469e-66.9357e-72.5983e-83.8681e-976.2170
ESCA FRHHN2.3729e-63.4849e-71.4314e-74.3418e-82.9748e-85.6948e-67.9956e-75.6425e-88.2844e-976.2170
ESCA FRHHE2.7208e-64.0597e-71.7519e-75.2428e-82.4207e-88.9259e-61.1111e-64.1849e-89.5822e-976.2170
RORO GUHHZ1.4459e-61.9499e-77.5622e-82.0423e-81.5264e-83.0310e-62.4531e-72.1593e-83.9697e-981.2122
RORO GUHHN1.3656e-61.4737e-77.6351e-82.5673e-83.5170e-82.1775e-63.4481e-75.9945e-86.5020e-981.2122
RORO GUHHE1.5540e-62.3813e-71.6211e-71.3364e-79.0086e-83.0508e-66.3792e-71.0601e-77.7145e-981.2122
IMI GUHHZ1.0000e-61.6232e-77.9087e-83.1646e-81.8768e-82.6908e-62.5409e-72.7110e-83.2118e-985.9140
IMI GUHHN2.9534e-63.8279e-71.7050e-76.8361e-84.2360e-87.0578e-68.4849e-76.7950e-87.9796e-985.9140
IMI GUHHE1.7950e-62.4184e-79.5091e-83.0404e-81.8609e-84.3006e-64.1765e-73.7851e-85.5226e-985.9140
CANO GUHHZ1.3841e-61.4614e-79.9165e-82.9477e-83.2542e-82.2286e-63.8988e-76.9364e-83.7629e-988.5112
CANO GUHHN1.5014e-62.0666e-71.6647e-76.4022e-82.9086e-83.5555e-68.5398e-74.3389e-85.6789e-988.5112
CANO GUHHE2.1668e-63.3725e-72.1113e-77.1437e-85.0135e-86.0201e-69.5781e-77.3727e-81.0248e-888.5112
PCP GUHHZ5.9308e-71.0720e-77.9700e-83.7231e-82.1120e-81.5025e-63.8802e-72.5211e-83.6560e-9106.487
PCP GUHHN8.0656e-71.4322e-78.3117e-83.1752e-81.9647e-82.1067e-62.5547e-73.3344e-83.3854e-9106.487
PCP GUHHE7.0458e-71.0840e-79.1696e-83.4188e-82.0707e-81.6084e-64.9275e-72.7395e-83.4820e-9106.487
LSD GUHHZ6.8114e-79.8430e-86.7294e-82.5252e-89.1665e-91.8502e-62.3837e-71.1932e-82.3634e-9106.7357
LSD GUHHN7.6616e-71.1815e-77.2499e-82.4211e-81.1198e-82.1462e-65.3251e-71.7645e-82.6516e-9106.7357
LSD GUHHE7.9838e-71.2673e-79.6284e-84.0532e-81.6890e-82.3126e-65.3118e-72.5532e-83.9380e-9106.7357
*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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