MANUAL Location - Area: Alpi Marittime , magnitude (ML): 0.7
2020-07-03 02:16:49 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2020-07-03 07:54:57

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Earthquake info - Manual location
Event - ID :200703021519
Magnitude (ML) :0.7 +/- 0.2
Origin Time :2020-07-03 02:16:49.964 (UTC)
Location : Latitude: 44.340 N, Longitude: 7.173 E
Area :Alpi Marittime
Depth (km) :6.29
Distances (km) : 3.4 --- Vinadio
4.7 --- Aisone
7.8 --- Sambuco
8.3 --- Castelmagno
10.2 --- Demonte
11.2 --- Pietraporzio
12.3 --- Pradleves
14.2 --- Monterosso Grana
14.6 --- Marmora
14.8 --- Canosio
15.9 --- Celle di Macra
15.9 --- Valloriate
17.3 --- Moiola
17.8 --- Cartignano
17.8 --- San Damiano Macra
17.9 --- Macra
18.0 --- Rittana
18.3 --- Valgrana
18.5 --- Prazzo
18.6 --- Gaiola

Quality location estimate: Erh: 1 km, Erz: 2 km, Nf: 32, Gap: 92 °, Rms: 0.41


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.
STVGU2020-07-03 02:16:53.4800.01000.051.332020-07-03 02:16:55.7300.0551-0.051.3617.6
PZZGU2020-07-03 02:16:54.0500.0100-0.370.562020-07-03 02:16:56.8200.0621-0.780.9520.5
ISOFR2020-07-03 02:16:54.1100.0110-0.011.552020-07-03 02:16:56.3100.0601-0.581.0421.2
ENRGU2020-07-03 02:16:54.6500.01300.011.522020-07-03 02:16:57.7280.0932-0.091.1624.3
SURFFR2020-07-03 02:16:55.8800.0160-0.571.012020-07-03 02:17:00.2700.0962-0.820.8433.2
TURFFR2020-07-03 02:16:58.4750.0200-0.021.382020-07-03 02:17:03.7090.1394-0.830.7844.7
MVIFFR2020-07-03 02:16:58.5600.0200-0.830.832020-07-03 02:17:05.4700.1484-0.740.8949.8
SAOFFR2020-07-03 02:16:59.5170.02000.071.072020-07-03 02:17:05.4300.1524-0.620.9550.2
GBOSGU2020-07-03 02:16:59.8200.0281-0.001.302020-07-03 02:17:06.6700.16950.180.6154.6
BHBGU2020-07-03 02:16:59.7400.0281-0.071.262020-07-03 02:17:06.1690.3127-0.420.9255.9
ESCAFR2020-07-03 02:17:00.9290.0200-0.190.902020-07-03 02:17:08.2060.0400-0.740.9259.8
MGROGU2020-07-03 02:17:00.7100.0321-0.611.052020-07-03 02:17:08.4500.1865-0.790.7961.0
RRLGU2020-07-03 02:17:02.3210.0200-0.661.052020-07-03 02:17:12.1600.2146-0.050.8571.8
IMIGU2020-07-03 02:17:02.5000.3179-0.780.752020-07-03 02:17:12.2600.2286-0.290.9475.1
ROROGU2020-07-03 02:17:03.3000.0391-0.141.062020-07-03 02:17:12.1080.2757-0.570.8875.8
CANOGU2020-07-03 02:17:05.0100.0442-0.530.972020-07-03 02:17:15.3830.7119-0.830.5386.2


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
STV GUHH0.639.62e-217.6131
PZZ GUHH0.237.18e-220.5346
ISO FRHH0.641.03e-121.2209
ENR GUHH0.881.95e-124.3122
SAOF FRHH0.411.18e-250.2142
GBOS GUHH0.831.32e-254.6101
BHB GUHH0.481.01e-255.97
MGRO GUHH0.591.17e-261.0123
RRL GUHH0.809.17e-371.8335
IMI GUHH0.952.35e-275.1129
CANO GUHH0.931.19e-286.2100


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.
(°)
STV GUHHZ1.8853e-51.4528e-64.3508e-71.5215e-78.5966e-81.6070e-51.9080e-61.5811e-73.3443e-817.6131
STV GUHHN4.4005e-53.1458e-65.3627e-71.6868e-71.0374e-73.1232e-51.8436e-62.1885e-76.3195e-817.6131
STV GUHHE2.1987e-52.4982e-65.7490e-71.6784e-79.6401e-82.8566e-52.1307e-61.9288e-74.7215e-817.6131
PZZ GUHHZ1.1639e-51.4617e-64.8673e-71.4373e-79.0798e-81.3975e-51.4452e-61.5682e-73.3593e-820.5346
PZZ GUHHN1.7781e-51.6457e-65.9016e-71.9801e-79.4982e-82.7882e-52.1409e-61.4428e-73.0316e-820.5346
PZZ GUHHE1.2096e-51.4250e-65.9577e-71.6035e-78.4724e-81.2377e-52.1813e-61.4717e-72.6621e-820.5346
ISO FRHHZ1.7426e-52.1119e-64.4042e-71.2795e-77.3205e-82.4186e-51.7761e-61.6527e-74.2975e-821.2209
ISO FRHHN3.3680e-53.6525e-65.5435e-72.1726e-71.4201e-72.8506e-52.1381e-62.7941e-75.5716e-821.2209
ISO FRHHE1.5990e-52.0072e-66.4734e-72.2276e-71.4087e-72.6451e-52.8641e-62.2750e-74.2407e-821.2209
ENR GUHHZ3.3266e-52.6356e-64.2012e-71.1167e-77.5025e-82.3468e-51.7286e-61.5893e-74.4042e-824.3122
ENR GUHHN7.7750e-57.2904e-67.9793e-73.3030e-71.8655e-76.6247e-53.2964e-64.7206e-71.3465e-724.3122
ENR GUHHE9.2691e-57.6781e-68.2887e-72.7239e-71.7539e-73.9475e-53.6210e-64.7234e-71.2421e-724.3122
SAOF FRHHZ6.3719e-71.7581e-71.3878e-74.6485e-82.0682e-81.6888e-67.9993e-72.8098e-84.0023e-950.2142
SAOF FRHHN1.2438e-61.9453e-71.0956e-73.5399e-82.0322e-81.7758e-65.3002e-72.6832e-83.7555e-950.2142
SAOF FRHHE1.0057e-61.3900e-71.0788e-74.1624e-81.7499e-82.0551e-66.4853e-72.3349e-83.4391e-950.2142
GBOS GUHHZ1.2162e-62.2216e-71.1148e-73.4350e-81.8573e-84.5995e-63.6439e-72.9506e-85.0337e-954.6101
GBOS GUHHN1.5073e-62.0322e-71.3045e-73.7120e-81.8653e-83.0467e-64.9347e-72.8574e-85.6288e-954.6101
GBOS GUHHE1.2735e-62.3578e-71.2765e-74.3113e-81.9953e-84.8440e-63.5542e-72.9923e-85.5627e-954.6101
BHB GUHHZ1.3923e-61.7036e-79.1014e-83.7737e-82.5769e-82.9634e-64.3300e-76.1869e-83.8986e-955.97
BHB GUHHN1.2722e-61.2691e-77.3905e-82.8415e-82.0141e-82.7152e-64.1712e-74.4975e-83.1033e-955.97
BHB GUHHE1.4540e-61.8413e-78.0888e-83.6056e-82.2894e-82.2717e-63.8657e-74.7641e-83.3271e-955.97
MGRO GUHHZ6.6147e-71.0789e-78.2740e-87.0101e-82.3469e-81.3498e-63.4407e-73.5488e-83.8736e-961.0123
MGRO GUHHN1.3128e-61.5865e-71.1349e-74.6496e-82.1764e-82.9073e-67.2984e-72.8834e-84.4221e-961.0123
MGRO GUHHE1.0749e-61.2803e-71.0186e-73.9909e-82.2181e-82.3357e-67.5118e-73.6148e-83.4842e-961.0123
RRL GUHHZ4.6949e-75.5484e-83.6877e-81.3592e-86.3036e-91.2678e-61.3503e-79.0317e-91.4332e-971.8335
RRL GUHHN8.7794e-71.4460e-77.7586e-82.7479e-81.3554e-82.3057e-63.6157e-71.7214e-83.5956e-971.8335
RRL GUHHE6.2691e-71.0416e-77.0555e-82.4673e-81.4164e-81.7227e-62.9574e-72.6513e-82.9810e-971.8335
IMI GUHHZ1.5838e-61.6236e-78.2607e-83.5782e-81.9590e-82.6954e-64.6927e-73.2438e-84.2408e-975.1129
IMI GUHHN3.2101e-63.9241e-71.6429e-78.9880e-84.0663e-84.0169e-67.1700e-77.0249e-89.8774e-975.1129
IMI GUHHE2.3038e-62.6672e-71.1651e-73.8857e-81.7613e-83.1828e-65.2920e-72.6027e-86.0479e-975.1129
RORO GUHHZ1.9059e-62.6702e-77.2297e-82.1987e-81.1591e-82.9994e-62.9171e-71.7471e-84.7613e-975.8109
RORO GUHHN2.7970e-62.9984e-71.0837e-72.5444e-81.4865e-83.2725e-66.9764e-72.0872e-85.0397e-975.8109
RORO GUHHE1.1014e-51.0970e-63.6754e-76.3752e-76.1200e-75.5737e-61.7605e-68.5841e-77.2880e-875.8109
CANO GUHHZ1.2679e-61.8435e-75.6892e-82.2534e-82.0874e-81.7118e-62.9470e-74.1618e-82.6301e-986.2100
CANO GUHHN9.2148e-71.3917e-79.7105e-82.9846e-81.4172e-82.4563e-66.9991e-72.0692e-83.2765e-986.2100
CANO GUHHE1.0183e-61.8538e-79.6347e-83.3664e-82.7180e-83.3385e-64.3093e-74.8324e-83.8253e-986.2100
*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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