MANUAL Location - Area: Alpi Marittime , magnitude (ML): 0.8
2021-03-02 10:32:47 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2021-03-02 11:34:27

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Earthquake info - Manual location
Event - ID :210302103131
Magnitude (ML) :0.8 +/- 0.2
Origin Time :2021-03-02 10:32:47.002 (UTC)
Location : Latitude: 43.863 N, Longitude: 7.365 E
Area :Alpi Marittime
Depth (km) :9.22
Distances (km) : 12.3 --- Olivetta San Michele
15.2 --- Airole
19.2 --- Rocchetta Nervina
20.7 --- Dolceacqua
21.1 --- Ventimiglia
21.7 --- Camporosso
22.1 --- Isolabona
23.3 --- San Biagio della Cima
23.4 --- Soldano
23.6 --- Vallecrosia
23.6 --- Apricale
24.2 --- Perinaldo
24.7 --- Vallebona
25.2 --- Pigna
25.4 --- Bordighera
25.9 --- Castel Vittorio
26.7 --- Seborga
28.9 --- Baiardo
29.1 --- Ospedaletti
32.8 --- Ceriana

Quality location estimate: Erh: 1 km, Erz: 1.3 km, Nf: 26, Gap: 108 °, 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.
ESCAFR2021-03-02 10:32:49.4300.0050-0.001.792021-03-02 10:32:50.5300.0310-0.660.7010.2
TURFFR2021-03-02 10:32:50.6500.00800.001.792021-03-02 10:32:53.3600.0461-0.021.6315.6
MONFR2021-03-02 10:32:51.1830.02000.370.282021-03-02 10:32:53.3680.2266-0.231.0918.0
MVIFFR2021-03-02 10:32:51.3690.0200-0.021.722021-03-02 10:32:54.0770.1063-0.600.7619.7
SAOFFR2021-03-02 10:32:51.9700.01200.071.362021-03-02 10:32:55.0000.1374-0.500.8222.6
ENRGU2021-03-02 10:32:55.0450.02000.140.892021-03-02 10:33:00.1070.1253-0.310.9842.2
STVGU2021-03-02 10:32:55.2400.02210.031.572021-03-02 10:33:00.4000.3988-0.560.7743.8
IMIGU2021-03-02 10:32:54.7570.0200-0.330.822021-03-02 10:33:00.3180.1002-0.730.6443.8
ISOFR2021-03-02 10:32:55.6100.02310.330.362021-03-02 10:33:01.2800.13640.051.1644.8
GBOSGU2021-03-02 10:32:56.7400.0291-0.800.512021-03-02 10:33:04.6100.1695-0.141.1457.5
ROROGU2021-03-02 10:32:58.3100.0321-0.121.252021-03-02 10:33:05.8600.1905-0.720.6363.2
PZZGU2021-03-02 10:33:00.5130.0200-0.320.912021-03-02 10:33:09.5180.2436-0.980.3675.0
SURFFR2021-03-02 10:33:01.7200.0412-0.181.152021-03-02 10:33:11.9300.2787-0.360.9382.1


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
ENR GUHH1.008.95e-242.26
STV GUHH1.084.86e-243.8356
IMI GUHH0.532.75e-243.883
GBOS GUHH0.761.01e-257.542
PZZ GUHH0.872.43e-275.0345


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.
(°)
SAOF FRHHZ4.8578e-65.0465e-71.4342e-74.9911e-82.7043e-84.7710e-67.3967e-73.2133e-86.9355e-922.648
SAOF FRHHN4.6276e-65.2348e-71.4517e-75.3974e-82.5396e-87.0607e-67.4241e-73.8715e-88.5073e-922.648
SAOF FRHHE4.5770e-64.4705e-71.3967e-74.8005e-82.3337e-86.9116e-66.4433e-74.0252e-89.1141e-922.648
ENR GUHHZ7.4114e-69.7191e-73.7258e-79.8950e-84.8319e-81.3071e-51.7812e-69.4726e-82.2193e-842.26
ENR GUHHN2.0964e-52.0988e-65.7658e-71.8089e-79.8772e-83.1298e-53.0093e-61.6476e-73.5268e-842.26
ENR GUHHE2.9087e-52.7109e-66.6860e-71.9426e-71.1195e-72.3434e-52.8378e-62.2105e-74.7397e-842.26
STV GUHHZ2.9483e-63.5566e-71.9533e-76.7537e-82.7646e-87.1203e-68.5291e-73.9434e-86.8521e-943.8356
STV GUHHN3.8908e-65.0622e-71.7919e-75.8438e-82.6566e-86.4155e-66.4242e-74.2189e-89.2642e-943.8356
STV GUHHE6.1370e-69.5326e-73.6286e-71.1140e-76.6858e-85.6944e-61.7338e-61.0916e-71.8542e-843.8356
IMI GUHHZ3.4724e-63.5783e-71.2851e-76.3535e-82.7985e-83.3665e-68.1125e-73.9774e-87.2096e-943.883
IMI GUHHN4.8123e-65.0859e-72.6889e-71.2053e-74.9624e-87.0450e-61.3019e-66.4640e-89.5237e-943.883
IMI GUHHE5.0034e-64.8658e-71.9393e-77.9769e-83.1810e-86.8602e-61.1698e-65.2608e-81.0497e-843.883
ISO FRHHZ1.8212e-62.3708e-77.6497e-82.6914e-81.3375e-83.1652e-63.4167e-72.1403e-84.6768e-944.8325
ISO FRHHN3.2863e-63.2549e-78.1768e-82.8287e-81.7487e-84.5306e-63.0821e-72.7675e-86.6395e-944.8325
ISO FRHHE1.7838e-62.3534e-75.7109e-81.8252e-81.0781e-83.9094e-62.5726e-71.8116e-84.7744e-944.8325
GBOS GUHHZ1.5586e-61.8659e-78.4550e-82.8281e-81.4003e-84.4645e-63.0087e-72.1509e-84.1135e-957.542
GBOS GUHHN1.9993e-62.6298e-77.7288e-82.7426e-81.2752e-84.6923e-62.9448e-71.8654e-85.2957e-957.542
GBOS GUHHE1.3953e-61.9522e-71.0504e-72.7366e-81.3826e-84.8615e-63.4362e-72.3522e-84.4811e-957.542
RORO GUHHZ1.7146e-62.4797e-78.3001e-82.2609e-81.6513e-82.6769e-64.3852e-72.5778e-83.5073e-963.263
RORO GUHHN1.4379e-61.9906e-79.0503e-82.5190e-81.3999e-82.8246e-63.2631e-72.5091e-84.3346e-963.263
RORO GUHHE1.9094e-63.5195e-72.9471e-74.0309e-72.2917e-74.7996e-61.4951e-62.6313e-71.5911e-863.263
PZZ GUHHZ1.6491e-62.7726e-71.9054e-74.8749e-82.7416e-84.3147e-66.1928e-74.9245e-86.8877e-975.0345
PZZ GUHHN1.6903e-63.2283e-71.9304e-78.3140e-84.0144e-84.4070e-69.3424e-75.4770e-88.1446e-975.0345
PZZ GUHHE2.1455e-63.6165e-72.0403e-76.8740e-83.0182e-84.9463e-69.7002e-73.9723e-88.1444e-975.0345
*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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