RSNI - Manually revised location

MANUAL Location - Area: Alpi Marittime , magnitude (M_L): 0.8
2024-06-28 00:21:51 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2024-06-28 10:40:32

Earthquake info - Manual location

Event - ID :	240628002124
Magnitude (M_L) :	0.8 +/- 0.2
Origin Time :	2024-06-28 00:21:51.13 (UTC)
Location :	Latitude: 44.182 N, Longitude: 7.238 E
Area :	Alpi Marittime
Depth (km) :	8.21
Distances (km) :	14.4 --- Entracque 14.8 --- Aisone 15.1 --- Vinadio 15.7 --- Demonte 16.6 --- Valdieri 19.7 --- Moiola 20.0 --- Roaschia 20.6 --- Valloriate 21.8 --- Sambuco 21.8 --- Gaiola 22.9 --- Rittana 24.0 --- Roccasparvera 24.4 --- Pietraporzio 24.4 --- Roccavione 24.6 --- Vernante 25.2 --- Robilante 25.5 --- Castelmagno 26.0 --- Borgo San Dalmazzo 26.2 --- Monterosso Grana 26.7 --- Pradleves

Quality location estimate: Erh: 0.6 km, Erz: 0.8 km, Nf: 31, Gap: 78 °, Rms: 0.17

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.
STV	GU	2024-06-28 00:21:53.820	0.007	0	-0.03	1.49	2024-06-28 00:21:55.616	0.100	2	-0.10	1.28	13.5
ENR	GU	2024-06-28 00:21:54.790	0.009	0	0.11	1.08	--:--	-.---	-	-.--	-.--	17.4
ISO	FR	2024-06-28 00:21:54.620	0.009	0	0.00	1.56	2024-06-28 00:21:57.257	0.160	4	0.24	0.71	17.5
TURF	FR	2024-06-28 00:21:56.680	0.015	0	0.01	1.54	2024-06-28 00:22:00.419	0.084	2	-0.30	0.92	27.3
PIAF	FR	2024-06-28 00:21:57.670	0.017	0	0.02	1.49	2024-06-28 00:22:02.060	0.237	6	-0.12	1.03	32.5
MVIF	FR	2024-06-28 00:21:57.840	0.080	3	0.06	1.29	2024-06-28 00:22:02.320	0.101	3	-0.40	0.70	33.4
SAOF	FR	2024-06-28 00:21:58.010	0.018	0	0.03	1.47	--:--	-.---	-	-.--	-.--	34.3
PZZ	GU	2024-06-28 00:21:58.390	0.019	0	-0.33	0.85	2024-06-28 00:22:03.623	0.190	5	-0.39	0.73	38.6
ESCA	FR	2024-06-28 00:21:59.380	0.021	1	0.27	0.46	2024-06-28 00:22:04.690	0.224	6	-0.10	1.04	41.4
SURF	FR	2024-06-28 00:21:59.980	0.024	1	-0.14	1.17	2024-06-28 00:22:06.261	0.175	5	-0.13	1.08	48.1
GBOS	GU	2024-06-28 00:22:00.180	0.025	1	0.03	1.38	2024-06-28 00:22:06.605	0.160	4	0.36	0.46	49.3
BURY	GU	2024-06-28 00:22:00.540	0.027	1	-0.40	0.71	--:--	-.---	-	-.--	-.--	51.8
IMI	GU	2024-06-28 00:22:02.010	0.031	1	-0.19	1.10	2024-06-28 00:22:09.850	0.189	5	-0.09	1.03	61.1
RORO	GU	2024-06-28 00:22:02.930	0.034	1	-0.21	1.08	2024-06-28 00:22:10.960	0.208	6	-0.45	0.63	67.1
BHB	GU	2024-06-28 00:22:03.960	0.036	1	0.24	0.67	2024-06-28 00:22:12.710	0.221	6	0.32	0.58	73.2
CANO	GU	2024-06-28 00:22:05.310	0.040	2	-0.31	0.90	--:--	-.---	-	-.--	-.--	80.1
QLNO	GU	2024-06-28 00:22:07.200	0.045	2	-0.01	1.22	--:--	-.---	-	-.--	-.--	90.0
RRL	GU	2024-06-28 00:22:06.900	0.045	2	-0.34	0.84	2024-06-28 00:22:18.120	0.580	9	-0.41	0.51	90.1

Local magnitude (M_L) calculation results

Station	Net	Channels	Stat. Mag.	Wood-And. Ampl.	Dist. (km)	Azimuth
STV	GU	HH	0.81	2.35e-1	13.5	45
ISO	FR	HH	0.42	8.87e-2	17.5	271
TURF	FR	HH	0.55	5.27e-2	27.3	152
PIAF	FR	HH	0.76	6.22e-2	32.5	103
PZZ	GU	HH	0.88	9.92e-2	38.6	345
ESCA	FR	HH	0.71	3.44e-2	41.4	164
IMI	GU	HH	1.02	4.27e-2	61.1	120
RORO	GU	HH	1.18	3.72e-2	67.1	96
BHB	GU	HH	1.09	2.28e-2	73.2	2

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

HHZ

2.7164e-5

3.6776e-6

1.4734e-6

8.9096e-7

8.2903e-7

1.5957e-5

7.8674e-6

1.3631e-6

6.1441e-8

13.5

STV

HHN

1.9656e-5

2.6509e-6

1.7960e-6

9.7178e-7

6.6819e-7

2.2698e-5

1.1427e-5

1.0212e-6

7.2355e-8

13.5

STV

HHE

9.4769e-6

2.0167e-6

1.2482e-6

7.6610e-7

6.8196e-7

1.4478e-5

7.8942e-6

1.1550e-6

7.9718e-8

13.5

ISO

HHZ

5.4511e-6

8.5393e-7

5.8282e-7

4.5637e-7

5.5449e-7

8.7147e-6

2.7654e-6

7.0172e-7

3.2042e-8

17.5

271

ISO

HHN

4.2980e-6

9.5086e-7

8.3511e-7

4.3651e-7

2.0530e-7

8.0992e-6

4.5535e-6

2.3740e-7

2.5275e-8

17.5

271

ISO

HHE

4.5230e-6

8.6385e-7

5.0954e-7

2.7372e-7

1.5682e-7

9.0774e-6

1.9164e-6

2.3374e-7

1.9543e-8

17.5

271

TURF

HHZ

1.5573e-6

3.2087e-7

2.5529e-7

1.3541e-7

8.7824e-8

3.3108e-6

1.6502e-6

1.2699e-7

9.9191e-9

27.3

152

TURF

HHN

1.7347e-6

3.5955e-7

3.2695e-7

1.5742e-7

7.2897e-8

4.9288e-6

1.8051e-6

8.6193e-8

9.1871e-9

27.3

152

TURF

HHE

1.4040e-6

4.2697e-7

4.1582e-7

2.9761e-7

1.2212e-7

3.9722e-6

3.4350e-6

1.5581e-7

1.5640e-8

27.3

152

PIAF

HHZ

2.4794e-6

7.3772e-7

5.6298e-7

4.8616e-7

2.0582e-7

9.1336e-6

3.6036e-6

2.4026e-7

2.3310e-8

32.5

103

PIAF

HHN

2.7309e-6

5.6143e-7

5.4061e-7

2.6811e-7

9.4687e-8

6.8759e-6

3.1202e-6

1.1658e-7

1.6918e-8

32.5

103

PIAF

HHE

3.2437e-6

6.6784e-7

5.4616e-7

2.7738e-7

1.3270e-7

8.5791e-6

2.1893e-6

1.6829e-7

1.8250e-8

32.5

103

PZZ

HHZ

3.6371e-6

9.1813e-7

6.7224e-7

2.9027e-7

1.1127e-7

1.0068e-5

2.7598e-6

1.4002e-7

1.9613e-8

38.6

345

PZZ

HHN

4.1244e-6

1.1630e-6

8.0023e-7

4.1105e-7

1.7544e-7

1.4741e-5

5.5442e-6

2.0913e-7

2.8171e-8

38.6

345

PZZ

HHE

4.7461e-6

1.2712e-6

9.8320e-7

3.6310e-7

1.6540e-7

1.0879e-5

4.6169e-6

2.2339e-7

3.0872e-8

38.6

345

ESCA

HHZ

1.1492e-6

2.9721e-7

2.0463e-7

1.0054e-7

5.5095e-8

2.7581e-6

1.4321e-6

5.9997e-8

6.4162e-9

41.4

164

ESCA

HHN

1.4089e-6

3.1864e-7

3.1782e-7

1.7836e-7

8.9950e-8

4.0618e-6

1.6084e-6

8.8600e-8

1.0144e-8

41.4

164

ESCA

HHE

1.0559e-6

2.9400e-7

2.8328e-7

1.9835e-7

1.2206e-7

3.1203e-6

1.0833e-6

1.2394e-7

1.1582e-8

41.4

164

GBOS

HHZ

1.4312e-6

4.3717e-7

3.1948e-7

1.9650e-7

7.2426e-8

4.5118e-6

2.0275e-6

9.3213e-8

1.1389e-8

49.3

GBOS

HHN

1.3891e-6

4.3600e-7

3.8031e-7

3.2383e-7

1.2745e-7

4.1578e-6

1.7519e-6

1.3094e-7

1.1851e-8

49.3

GBOS

HHE

2.6369e-6

4.8626e-7

3.8336e-7

2.2941e-7

1.2367e-7

7.0591e-6

2.8755e-6

1.5796e-7

1.9753e-8

49.3

IMI

HHZ

1.5584e-6

2.8489e-7

2.1914e-7

9.8217e-8

3.7745e-8

2.5782e-6

1.2461e-6

5.2449e-8

5.5710e-9

61.1

120

IMI

HHN

1.8117e-6

4.5707e-7

3.8192e-7

1.6632e-7

6.7751e-8

4.0694e-6

2.1142e-6

8.0680e-8

1.4271e-8

61.1

120

IMI

HHE

1.4641e-6

3.1423e-7

2.9186e-7

1.3017e-7

5.5636e-8

3.3610e-6

1.6639e-6

8.4170e-8

1.0208e-8

61.1

120

RORO

HHZ

7.1069e-7

1.7933e-7

1.7816e-7

8.3660e-8

3.3444e-8

2.1715e-6

7.6894e-7

4.5681e-8

4.5160e-9

67.1

RORO

HHN

1.4020e-6

4.4609e-7

3.0782e-7

1.1211e-7

5.8397e-8

2.7922e-6

2.0095e-6

8.2535e-8

1.1124e-8

67.1

RORO

HHE

1.0477e-6

3.1338e-7

2.4622e-7

8.7506e-8

4.2740e-8

3.1687e-6

1.2681e-6

5.7982e-8

8.2500e-9

67.1

BHB

HHZ

1.1728e-6

2.3879e-7

1.9011e-7

9.8098e-8

3.6071e-8

3.2895e-6

9.4741e-7

5.3655e-8

6.1723e-9

73.2

BHB

HHN

8.5730e-7

2.2136e-7

1.9031e-7

7.8230e-8

4.2055e-8

3.1383e-6

1.0816e-6

6.2177e-8

5.8552e-9

73.2

BHB

HHE

1.0110e-6

2.4840e-7

2.0546e-7

9.4261e-8

5.4100e-8

2.8131e-6

9.7007e-7

7.7721e-8

7.6883e-9

73.2

RRL

HHZ

4.6300e-7

1.0888e-7

9.3810e-8

5.4687e-8

2.5521e-8

1.2651e-6

8.8318e-7

3.1186e-8

2.8820e-9

90.1

337

RRL

HHN

6.1047e-7

1.7655e-7

1.4757e-7

5.7513e-8

2.6879e-8

1.4583e-6

9.5814e-7

3.4183e-8

4.5760e-9

90.1

337

RRL

HHE

5.8280e-7

1.3061e-7

1.2148e-7

6.7726e-8

2.8873e-8

1.2670e-6

6.5705e-7

3.3860e-8

3.8257e-9

90.1

337

*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)

MANUAL Location - Area: Alpi Marittime , magnitude (ML): 0.8 2024-06-28 00:21:51 (UTC)

MANUAL Location - Area: Alpi Marittime , magnitude (M_L): 0.8
2024-06-28 00:21:51 (UTC)