RSNI - Manually revised location

MANUAL Location - Area: Alpi Cozie , magnitude (M_L): 0.6
2025-08-14 07:01:30 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-08-14 07:14:14

Earthquake info - Manual location

Event - ID :	250814070007
Magnitude (M_L) :	0.6 +/- 0.2
Origin Time :	2025-08-14 07:01:30.42 (UTC)
Location :	Latitude: 44.563 N, Longitude: 6.980 E
Area :	Alpi Cozie
Depth (km) :	6.01
Distances (km) :	3.6 --- Bellino 7.7 --- Pontechianale 7.7 --- Casteldelfino 9.0 --- Elva 9.7 --- Acceglio 10.6 --- Prazzo 13.2 --- Stroppo 14.3 --- Canosio 14.7 --- Marmora 16.7 --- Sampeyre 17.2 --- Macra 18.1 --- Celle di Macra 18.8 --- Argentera 20.7 --- Crissolo 20.9 --- Oncino 22.0 --- Ostana 23.3 --- San Damiano Macra 23.3 --- Frassino 24.7 --- Pietraporzio 25.1 --- Castelmagno

Quality location estimate: Erh: 0.7 km, Erz: 0.9 km, Nf: 28, Gap: 80 °, 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.
PZZ	GU	2025-08-14 07:01:33.600	0.007	0	0.00	1.56	2025-08-14 07:01:35.390	0.042	1	-0.53	0.89	14.5
SURF	FR	2025-08-14 07:01:34.150	0.047	2	0.04	1.47	2025-08-14 07:01:36.334	0.057	1	-0.52	0.88	17.2
VIND	IV	2025-08-14 07:01:36.213	0.020	0	-0.55	0.84	2025-08-14 07:01:40.272	0.040	0	-0.97	0.08	32.7
BHB	GU	2025-08-14 07:01:37.810	0.019	0	0.22	0.69	2025-08-14 07:01:42.230	0.113	3	-0.37	0.96	38.2
ISO	FR	2025-08-14 07:01:38.770	0.041	2	0.35	0.31	2025-08-14 07:01:43.830	0.130	4	-0.08	1.27	43.1
RRL	GU	2025-08-14 07:01:38.490	0.026	1	-0.19	1.09	2025-08-14 07:01:44.182	0.188	5	-0.36	0.99	43.3
OGAG	FR	2025-08-14 07:01:38.572	0.020	0	-0.02	1.51	2025-08-14 07:01:44.260	0.129	3	-0.17	1.21	43.4
STV	GU	2025-08-14 07:01:38.560	0.023	1	-0.04	1.50	2025-08-14 07:01:43.960	0.137	4	-0.36	0.99	45.3
ENR	GU	2025-08-14 07:01:39.670	0.026	1	0.12	1.13	2025-08-14 07:01:45.770	0.155	4	-0.17	1.19	51.4
RSP	GU	2025-08-14 07:01:42.801	0.020	0	-0.04	1.41	2025-08-14 07:01:51.635	0.040	0	0.03	1.17	69.2
TURF	FR	2025-08-14 07:01:43.980	0.037	1	0.19	0.90	2025-08-14 07:01:52.790	0.222	6	-0.46	0.84	73.4
GBOS	GU	2025-08-14 07:01:43.860	0.039	1	-0.04	1.37	2025-08-14 07:01:52.920	0.233	6	-0.32	0.98	77.4
MGRO	GU	2025-08-14 07:01:45.610	0.044	2	-0.44	0.89	2025-08-14 07:01:55.376	0.441	9	-1.74	0.04	88.1
IMI	GU	2025-08-14 07:01:48.220	0.133	6	0.01	1.18	2025-08-14 07:02:00.180	0.362	8	-0.61	0.64	103.0

Local magnitude (M_L) calculation results

Station	Net	Channels	Stat. Mag.	Wood-And. Ampl.	Dist. (km)	Azimuth
PZZ	GU	HH	0.44	2.20e-1	14.5	120
BHB	GU	HH	0.38	1.70e-2	38.2	36
ISO	FR	HH	0.58	2.33e-2	43.1	172
RRL	GU	HH	0.51	1.35e-2	43.3	339
OGAG	FR	HH	0.44	1.66e-2	43.4	306
STV	GU	HH	0.64	1.65e-2	45.3	142
ENR	GU	HH	0.92	4.99e-2	51.4	137
RSP	GU	HH	0.45	7.04e-3	69.2	19
TURF	FR	HH	0.63	8.69e-3	73.4	153
GBOS	GU	HH	1.09	1.14e-2	77.4	117
MGRO	GU	HH	0.59	5.25e-3	88.1	131
IMI	GU	HH	1.01	1.29e-2	103.0	135

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

HHZ

5.6154e-5

5.0331e-6

2.2562e-6

6.0941e-7

3.2060e-7

5.4278e-5

8.2707e-6

5.5941e-7

1.0908e-7

14.5

120

PZZ

HHN

3.9497e-5

4.0448e-6

1.9594e-6

6.6960e-7

3.7620e-7

8.0580e-5

9.1940e-6

5.6698e-7

7.7738e-8

14.5

120

PZZ

HHE

3.1174e-5

4.4012e-6

1.9864e-6

7.6049e-7

4.5928e-7

4.7655e-5

5.1732e-6

6.0494e-7

9.2636e-8

14.5

120

BHB

HHZ

3.1327e-6

3.9797e-7

1.9033e-7

4.3357e-8

2.3476e-8

1.2239e-5

7.8448e-7

4.1830e-8

8.9439e-9

38.2

BHB

HHN

1.7660e-6

3.2718e-7

1.6837e-7

3.7051e-8

2.0096e-8

5.0968e-6

6.4593e-7

3.5075e-8

7.3501e-9

38.2

BHB

HHE

2.8277e-6

4.2680e-7

1.2153e-7

3.6743e-8

1.9555e-8

7.0246e-6

5.4852e-7

3.3054e-8

8.6579e-9

38.2

ISO

HHZ

1.7678e-6

2.8668e-7

1.3771e-7

3.5446e-8

1.6949e-8

4.4059e-6

4.6759e-7

3.0534e-8

6.6620e-9

43.1

172

ISO

HHN

1.9449e-6

2.8642e-7

1.0471e-7

2.6530e-8

1.2756e-8

4.9277e-6

4.1031e-7

2.4051e-8

6.1102e-9

43.1

172

ISO

HHE

2.2877e-6

3.0936e-7

1.7171e-7

7.3118e-8

3.6882e-8

5.6423e-6

6.7431e-7

5.2345e-8

7.5110e-9

43.1

172

RRL

HHZ

9.4993e-7

1.1045e-7

5.2871e-8

2.3687e-8

1.0704e-8

3.0023e-6

2.1140e-7

1.5212e-8

2.5146e-9

43.3

339

RRL

HHN

1.2500e-6

1.9168e-7

1.0485e-7

3.4550e-8

1.5675e-8

6.0986e-6

4.0176e-7

2.4720e-8

4.0893e-9

43.3

339

RRL

HHE

1.5207e-6

1.9880e-7

1.3359e-7

4.7231e-8

1.7041e-8

5.3017e-6

5.8216e-7

2.5562e-8

4.8616e-9

43.3

339

OGAG

HHZ

6.1598e-7

1.2528e-7

9.2828e-8

3.8896e-8

1.7580e-8

1.9357e-6

6.9561e-7

2.2299e-8

2.6564e-9

43.4

306

OGAG

HHN

6.3483e-7

1.4842e-7

9.1952e-8

4.2704e-8

1.7412e-8

1.7228e-6

4.2598e-7

2.2961e-8

3.2754e-9

43.4

306

OGAG

HHE

7.4216e-7

1.6930e-7

1.4037e-7

8.2958e-8

2.5201e-8

1.4176e-6

6.0352e-7

3.3490e-8

5.1566e-9

43.4

306

STV

HHZ

2.4504e-6

2.5997e-7

1.3816e-7

3.1598e-8

2.3266e-8

4.4011e-6

4.9908e-7

3.9465e-8

6.2275e-9

45.3

142

STV

HHN

2.1977e-6

2.6784e-7

1.3157e-7

4.2406e-8

2.1556e-8

4.7130e-6

4.8653e-7

3.5439e-8

6.3140e-9

45.3

142

STV

HHE

2.1325e-6

2.7739e-7

1.1302e-7

3.5181e-8

1.5600e-8

5.1820e-6

3.8533e-7

2.8852e-8

5.7141e-9

45.3

142

ENR

HHZ

6.6352e-6

6.8866e-7

2.7606e-7

7.0357e-8

3.8925e-8

1.1389e-5

8.4981e-7

7.5051e-8

1.5443e-8

51.4

137

ENR

HHN

1.1548e-5

9.9500e-7

3.0703e-7

9.2741e-8

4.8239e-8

1.5439e-5

1.2637e-6

1.0222e-7

2.1243e-8

51.4

137

ENR

HHE

1.3146e-5

1.2693e-6

4.3545e-7

9.4551e-8

5.7713e-8

1.2836e-5

1.5102e-6

1.0324e-7

2.1334e-8

51.4

137

RSP

HHZ

8.4436e-7

1.0086e-7

4.4685e-8

2.0017e-8

9.4042e-9

2.1861e-6

2.0089e-7

1.7157e-8

2.2405e-9

69.2

RSP

HHN

9.6185e-7

1.2105e-7

6.2396e-8

1.9373e-8

1.0122e-8

2.1345e-6

2.4794e-7

1.4806e-8

2.7216e-9

69.2

RSP

HHE

1.0665e-6

1.5676e-7

7.8558e-8

2.6393e-8

1.1626e-8

2.2561e-6

2.4198e-7

1.6374e-8

3.1903e-9

69.2

TURF

HHZ

6.0018e-7

6.9792e-8

4.2173e-8

1.6743e-8

8.0700e-9

1.5022e-6

1.7035e-7

9.9553e-9

1.8726e-9

73.4

153

TURF

HHN

6.6495e-7

9.1674e-8

6.2315e-8

2.0880e-8

1.1128e-8

2.1218e-6

2.7944e-7

1.8044e-8

2.5137e-9

73.4

153

TURF

HHE

7.4675e-7

1.0834e-7

7.2171e-8

3.4112e-8

1.4335e-8

2.5402e-6

2.7236e-7

1.7454e-8

2.8250e-9

73.4

153

GBOS

HHZ

6.4750e-7

1.0883e-7

6.7071e-8

2.0929e-8

1.0033e-8

1.9672e-6

2.7290e-7

1.3507e-8

2.3768e-9

77.4

117

GBOS

HHN

4.8296e-7

1.0157e-7

7.5666e-8

2.7429e-8

1.4981e-8

1.3881e-6

4.9944e-7

2.0269e-8

2.8866e-9

77.4

117

GBOS

HHE

6.5118e-7

1.5478e-7

9.7379e-8

3.1006e-8

1.6729e-8

2.6061e-6

6.0505e-7

2.5752e-8

4.2402e-9

77.4

117

MGRO

HHZ

6.0180e-7

9.8722e-8

3.8497e-8

2.3407e-8

1.0805e-8

7.5311e-7

2.3774e-7

1.2661e-8

1.3226e-9

88.1

131

MGRO

HHN

6.0345e-7

6.1150e-8

4.6420e-8

2.6629e-8

1.2628e-8

9.9848e-7

2.5770e-7

1.7657e-8

1.5913e-9

88.1

131

MGRO

HHE

4.9550e-7

8.9231e-8

5.0786e-8

2.3957e-8

1.1126e-8

9.2413e-7

2.6230e-7

1.6678e-8

1.4330e-9

88.1

131

IMI

HHZ

8.2360e-7

1.1456e-7

4.4557e-8

1.9623e-8

1.1204e-8

1.0870e-6

1.9399e-7

1.5493e-8

1.5875e-9

103.0

135

IMI

HHN

1.6736e-6

1.7124e-7

1.0438e-7

3.9540e-8

1.7461e-8

2.7202e-6

6.0655e-7

2.7386e-8

3.9271e-9

103.0

135

IMI

HHE

7.9841e-7

1.2490e-7

6.6208e-8

2.4285e-8

1.3694e-8

1.8060e-6

3.2662e-7

1.8398e-8

2.5100e-9

103.0

135

*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 Cozie , magnitude (ML): 0.6 2025-08-14 07:01:30 (UTC)

MANUAL Location - Area: Alpi Cozie , magnitude (M_L): 0.6
2025-08-14 07:01:30 (UTC)