RSNI - Manually revised location

MANUAL Location - Area: Alpi Marittime , magnitude (M_L): 0.9
2024-06-29 12:26:55 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2024-07-01 09:04:12

Earthquake info - Manual location

Event - ID :	240629122628
Magnitude (M_L) :	0.9 +/- 0.2
Origin Time :	2024-06-29 12:26:55.198 (UTC)
Location :	Latitude: 44.192 N, Longitude: 7.219 E
Area :	Alpi Marittime
Depth (km) :	6.48
Distances (km) :	13.5 --- Vinadio 13.6 --- Aisone 15.1 --- Demonte 15.2 --- Entracque 17.1 --- Valdieri 19.7 --- Moiola 20.0 --- Sambuco 20.4 --- Valloriate 20.7 --- Roaschia 21.9 --- Gaiola 22.5 --- Pietraporzio 22.8 --- Rittana 24.2 --- Castelmagno 24.2 --- Roccasparvera 24.9 --- Roccavione 25.5 --- Monterosso Grana 25.7 --- Vernante 25.8 --- Pradleves 26.0 --- Robilante 26.4 --- Borgo San Dalmazzo

Quality location estimate: Erh: 0.5 km, Erz: 0.6 km, Nf: 29, Gap: 76 °, Rms: 0.12

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	2024-06-29 12:26:57.740	0.006	0	-0.05	1.46	2024-06-29 12:26:59.460	0.036	0	-0.09	1.35	12.7
ISO	FR	2024-06-29 12:26:58.430	0.008	0	0.10	1.10	2024-06-29 12:27:00.411	0.100	2	-0.06	1.33	15.4
ENR	GU	2024-06-29 12:26:58.840	0.009	0	0.02	1.49	2024-06-29 12:27:01.360	0.056	1	0.07	1.25	18.1
TURF	FR	2024-06-29 12:27:01.060	0.024	1	0.08	1.22	2024-06-29 12:27:05.026	0.200	5	-0.16	0.93	28.6
PIAF	FR	2024-06-29 12:27:01.950	0.022	1	0.00	1.48	2024-06-29 12:27:06.340	0.100	2	-0.30	0.68	33.7
MVIF	FR	2024-06-29 12:27:01.802	0.060	2	-0.14	1.15	2024-06-29 12:27:06.826	0.132	4	-0.13	1.06	33.9
SAOF	FR	2024-06-29 12:27:02.390	0.018	0	0.07	1.29	2024-06-29 12:27:07.180	0.107	3	-0.19	0.98	35.9
PZZ	GU	2024-06-29 12:27:02.000	0.023	1	-0.51	0.21	2024-06-29 12:27:06.772	0.256	7	-0.82	0.13	36.8
SURF	FR	2024-06-29 12:27:03.640	0.023	1	-0.21	0.90	2024-06-29 12:27:09.930	0.138	4	0.05	0.98	46.0
GBOS	GU	2024-06-29 12:27:04.400	0.030	1	0.01	1.38	2024-06-29 12:27:10.759	0.348	7	0.17	0.60	50.3
BIGN	GU	2024-06-29 12:27:05.348	0.080	3	-0.02	1.29	--:--	-.---	-	-.--	-.--	55.1
IMI	GU	2024-06-29 12:27:06.350	0.036	1	-0.21	0.93	2024-06-29 12:27:13.850	0.260	7	-0.64	0.29	62.7
RORO	GU	2024-06-29 12:27:07.360	0.034	1	-0.11	1.21	2024-06-29 12:27:15.980	0.205	6	0.08	0.78	68.4
BHB	GU	2024-06-29 12:27:07.690	0.036	1	0.04	1.20	2024-06-29 12:27:16.050	0.215	6	-0.12	0.82	71.9
QLNO	GU	2024-06-29 12:27:11.400	0.045	2	-0.12	1.09	2024-06-29 12:27:22.210	0.376	8	-0.55	0.41	91.1

Local magnitude (M_L) calculation results

Station	Net	Channels	Stat. Mag.	Wood-And. Ampl.	Dist. (km)	Azimuth
STV	GU	HH	0.94	3.55e-1	12.7	55
ISO	FR	HH	0.80	2.66e-1	15.4	266
TURF	FR	HH	0.46	3.96e-2	28.6	150
PIAF	FR	HH	0.84	6.85e-2	33.7	105
SAOF	FR	HH	0.81	5.69e-2	35.9	130
PZZ	GU	HH	0.85	1.02e-1	36.8	347
GBOS	GU	HH	1.28	4.39e-2	50.3	83
IMI	GU	HH	1.20	6.05e-2	62.7	120
RORO	GU	HH	1.11	3.08e-2	68.4	97
BHB	GU	HH	0.96	1.78e-2	71.9	3

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

2.3096e-5

4.0446e-6

2.6586e-6

1.6039e-6

1.1622e-6

2.2834e-5

1.2400e-5

1.1088e-6

1.1903e-7

12.7

STV

HHN

1.7380e-5

3.7220e-6

2.5710e-6

2.0510e-6

1.5295e-6

3.4769e-5

1.2611e-5

1.5718e-6

1.3318e-7

12.7

STV

HHE

1.0386e-5

2.1606e-6

1.7872e-6

1.7155e-6

1.1650e-6

1.9311e-5

8.8866e-6

1.1455e-6

8.2106e-8

12.7

ISO

HHZ

8.0842e-6

1.8034e-6

1.0262e-6

1.1423e-6

9.2474e-7

2.2276e-5

8.4532e-6

1.0730e-6

7.7893e-8

15.4

266

ISO

HHN

6.5793e-6

1.9251e-6

1.3248e-6

1.3899e-6

1.3057e-6

2.7170e-5

7.2173e-6

1.5893e-6

7.9872e-8

15.4

266

ISO

HHE

5.9081e-6

1.2740e-6

1.0637e-6

9.1472e-7

9.1157e-7

1.2405e-5

6.2322e-6

1.1245e-6

5.2504e-8

15.4

266

ENR

HHZ

2.8858e-5

4.9389e-6

3.2371e-6

1.1844e-6

8.9385e-7

7.7636e-5

2.7255e-5

1.5605e-6

1.5464e-7

18.1

ENR

HHN

6.3445e-5

1.2883e-5

8.0266e-6

2.7141e-6

1.5782e-6

2.3681e-4

3.6397e-5

2.1644e-6

2.9148e-7

18.1

ENR

HHE

4.2479e-5

6.5579e-6

3.5834e-6

1.1984e-6

6.6800e-7

1.0646e-4

2.1367e-5

1.0379e-6

1.6133e-7

18.1

TURF

HHZ

2.3616e-6

4.3461e-7

3.5738e-7

1.9398e-7

1.0224e-7

4.2637e-6

1.8193e-6

1.3028e-7

1.2604e-8

28.6

150

TURF

HHN

1.7765e-6

4.1221e-7

3.2358e-7

1.6622e-7

9.7848e-8

4.8737e-6

1.6595e-6

1.1288e-7

9.8648e-9

28.6

150

TURF

HHE

1.3543e-6

3.6096e-7

3.3842e-7

2.1023e-7

8.7786e-8

2.9544e-6

1.9170e-6

1.1053e-7

1.1996e-8

28.6

150

PIAF

HHZ

3.7697e-6

9.4847e-7

6.7822e-7

3.9858e-7

1.9870e-7

8.5130e-6

3.4142e-6

2.0985e-7

2.6469e-8

33.7

105

PIAF

HHN

2.8228e-6

7.2291e-7

5.8379e-7

2.9666e-7

9.6990e-8

1.2684e-5

2.0753e-6

1.3064e-7

1.6843e-8

33.7

105

PIAF

HHE

3.4851e-6

7.4420e-7

5.2698e-7

1.9309e-7

9.2955e-8

1.1115e-5

3.1938e-6

1.2005e-7

1.8199e-8

33.7

105

SAOF

HHZ

1.1091e-6

3.8502e-7

4.0675e-7

2.1844e-7

1.0158e-7

2.8414e-6

2.9398e-6

1.3245e-7

1.2333e-8

35.9

130

SAOF

HHN

1.2775e-6

4.7177e-7

4.1419e-7

3.0173e-7

1.6336e-7

2.2584e-6

2.6141e-6

1.6631e-7

1.6200e-8

35.9

130

SAOF

HHE

1.3163e-6

3.9565e-7

4.0311e-7

2.0396e-7

1.0543e-7

2.9881e-6

2.7039e-6

1.2312e-7

1.2809e-8

35.9

130

PZZ

HHZ

3.2101e-6

7.5432e-7

6.8582e-7

2.7737e-7

1.3202e-7

9.0215e-6

3.3325e-6

1.5164e-7

1.9758e-8

36.8

347

PZZ

HHN

4.2077e-6

8.5914e-7

6.5914e-7

3.9505e-7

1.6859e-7

1.2318e-5

4.0677e-6

2.1801e-7

2.2046e-8

36.8

347

PZZ

HHE

4.6624e-6

1.2111e-6

8.7145e-7

2.9328e-7

1.3379e-7

9.3871e-6

4.2114e-6

2.0824e-7

3.3839e-8

36.8

347

GBOS

HHZ

2.0886e-6

4.8535e-7

3.3797e-7

1.4269e-7

7.1374e-8

6.4268e-6

1.9295e-6

9.0005e-8

1.2021e-8

50.3

GBOS

HHN

1.9008e-6

4.8955e-7

3.7288e-7

1.9771e-7

8.8431e-8

3.4148e-6

1.8316e-6

1.1067e-7

1.4805e-8

50.3

GBOS

HHE

1.5453e-6

3.8853e-7

3.3149e-7

1.4210e-7

5.6531e-8

5.5371e-6

2.3795e-6

7.5251e-8

9.7345e-9

50.3

IMI

HHZ

1.5323e-6

2.8348e-7

2.0896e-7

1.0658e-7

4.6951e-8

4.7188e-6

1.2043e-6

5.2908e-8

6.8927e-9

62.7

120

IMI

HHN

3.0638e-6

7.3930e-7

4.9908e-7

2.5335e-7

1.3573e-7

7.9949e-6

1.9512e-6

1.6326e-7

1.8620e-8

62.7

120

IMI

HHE

1.8759e-6

3.5883e-7

3.4373e-7

1.6083e-7

7.6669e-8

5.0164e-6

1.8175e-6

8.8591e-8

9.6162e-9

62.7

120

RORO

HHZ

9.3334e-7

2.4904e-7

1.9070e-7

7.1807e-8

4.1142e-8

2.7209e-6

1.1233e-6

4.4422e-8

6.7621e-9

68.4

RORO

HHN

1.7275e-6

3.7027e-7

3.3488e-7

1.0587e-7

4.5185e-8

4.2018e-6

1.8508e-6

6.1021e-8

8.3693e-9

68.4

RORO

HHE

1.2401e-6

2.8123e-7

2.6000e-7

7.6713e-8

3.8002e-8

3.7522e-6

1.8940e-6

5.8471e-8

6.8946e-9

68.4

BHB

HHZ

8.5408e-7

1.7162e-7

1.5544e-7

8.4206e-8

3.2653e-8

4.8157e-6

8.3183e-7

5.5130e-8

4.8678e-9

71.9

BHB

HHN

9.6727e-7

2.4351e-7

1.7578e-7

7.0766e-8

3.5902e-8

3.1334e-6

9.7643e-7

4.6560e-8

5.6820e-9

71.9

BHB

HHE

7.8001e-7

1.9819e-7

1.6654e-7

9.6963e-8

4.3042e-8

2.7699e-6

8.7532e-7

6.4442e-8

5.5431e-9

71.9

QLNO

HHZ

7.2118e-7

1.8272e-7

1.5496e-7

9.1283e-8

4.6030e-8

1.7043e-6

1.2128e-6

5.4751e-8

5.5757e-9

91.1

QLNO

HHN

8.7096e-7

2.3862e-7

2.2313e-7

1.2557e-7

6.3253e-8

3.6189e-6

1.6217e-6

7.1971e-8

7.4086e-9

91.1

QLNO

HHE

9.1611e-7

3.1929e-7

2.7008e-7

1.6465e-7

8.1527e-8

1.9927e-6

2.1506e-6

1.0111e-7

1.0610e-8

91.1

*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): 0.9 2024-06-29 12:26:55 (UTC)

MANUAL Location - Area: Alpi Marittime , magnitude (M_L): 0.9
2024-06-29 12:26:55 (UTC)