RSNI - Manually revised location

MANUAL Location - Area: Alpi Cozie , magnitude (M_L): 1.4
2026-02-12 16:53:30 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2026-02-13 07:12:01

Earthquake info - Manual location

Event - ID :	260212165305
Magnitude (M_L) :	1.4 +/- 0.2
Origin Time :	2026-02-12 16:53:30.728 (UTC)
Location :	Latitude: 44.430 N, Longitude: 7.296 E
Area :	Alpi Cozie
Depth (km) :	8.63
Distances (km) :	1.7 --- Pradleves 3.1 --- Monterosso Grana 5.4 --- Cartignano 6.4 --- Montemale di Cuneo 6.4 --- Roccabruna 6.8 --- Dronero 6.9 --- Valgrana 7.1 --- Castelmagno 7.3 --- San Damiano Macra 8.9 --- Villar San Costanzo 10.6 --- Caraglio 11.0 --- Celle di Macra 11.8 --- Valloriate 12.0 --- Rittana 12.1 --- Bernezzo 12.2 --- Macra 12.7 --- Demonte 13.3 --- Valmala 13.6 --- Gaiola 14.2 --- Moiola

Quality location estimate: Erh: 0.7 km, Erz: 1.3 km, Nf: 50, Gap: 77 °, Rms: 0.30

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.
VIND	IV	2026-02-12 16:53:34.395	0.020	0	-0.05	1.40	2026-02-12 16:53:36.531	0.040	0	-0.48	1.09	18.6
PZZ	GU	2026-02-12 16:53:34.730	0.020	0	0.01	1.42	2026-02-12 16:53:37.170	0.069	1	-0.40	1.19	19.4
STV	GU	2026-02-12 16:53:35.120	0.022	1	0.09	1.08	2026-02-12 16:53:37.600	0.080	2	-0.40	1.19	22.8
ENR	GU	2026-02-12 16:53:35.640	0.024	1	0.02	1.40	2026-02-12 16:53:38.779	0.090	2	-0.22	1.30	26.2
PONC	IV	2026-02-12 16:53:36.727	0.020	0	0.02	1.38	2026-02-12 16:53:40.548	0.040	0	-0.42	1.16	32.4
ISO	FR	2026-02-12 16:53:37.601	0.020	0	0.41	0.10	2026-02-12 16:53:41.615	0.100	2	0.06	1.09	35.0
SURF	FR	2026-02-12 16:53:38.069	0.020	0	-0.17	1.27	2026-02-12 16:53:43.170	0.123	3	-0.53	0.96	39.7
BHB	GU	2026-02-12 16:53:38.500	0.033	1	-0.25	1.25	2026-02-12 16:53:43.410	0.145	4	-0.84	0.42	46.0
CMAG	IV	2026-02-12 16:53:39.824	0.020	0	0.01	1.32	2026-02-12 16:53:46.310	0.040	0	0.23	0.59	48.6
GBOS	GU	2026-02-12 16:53:39.340	0.036	1	-0.15	1.31	2026-02-12 16:53:45.196	0.161	5	-0.29	1.22	49.0
TURF	FR	2026-02-12 16:53:40.361	0.020	0	0.02	1.30	2026-02-12 16:53:46.630	0.338	7	-0.54	0.86	51.9
SAOF	FR	2026-02-12 16:53:40.617	0.020	0	-0.09	1.37	2026-02-12 16:53:47.008	0.130	3	-0.71	0.64	54.2
MLIG	IV	2026-02-12 16:53:40.953	0.020	0	-0.60	0.84	2026-02-12 16:53:47.691	0.040	0	-1.54	0.06	58.7
MVIF	FR	2026-02-12 16:53:42.091	0.020	0	0.07	1.13	2026-02-12 16:53:49.620	0.187	5	-0.55	0.89	61.1
PVT	IT	2026-02-12 16:53:42.621	0.020	0	0.21	0.59	2026-02-12 16:53:50.668	0.040	0	-0.07	1.22	66.7
ESCA	FR	2026-02-12 16:53:42.951	0.020	0	0.03	1.21	2026-02-12 16:53:51.190	0.207	6	-0.29	1.13	67.5
RRL	GU	2026-02-12 16:53:42.650	0.038	1	-0.24	1.29	2026-02-12 16:53:51.020	0.207	6	-0.49	0.96	68.5
RORO	GU	2026-02-12 16:53:42.716	0.020	0	-0.51	1.03	2026-02-12 16:53:51.360	0.222	6	-0.53	0.91	71.3
BIGN	GU	2026-02-12 16:53:43.273	0.020	0	-0.25	1.28	2026-02-12 16:53:51.806	0.040	0	-0.66	0.72	72.2
OGAG	FR	2026-02-12 16:53:43.455	0.020	0	-0.23	1.29	2026-02-12 16:53:52.365	0.040	0	-0.58	0.86	72.5
IMI	GU	2026-02-12 16:53:43.640	0.045	2	-0.24	1.29	2026-02-12 16:53:52.770	0.233	6	-0.47	0.96	75.5
RSP	GU	2026-02-12 16:53:44.048	0.020	0	-0.19	1.32	2026-02-12 16:53:51.770	0.512	9	-2.03	0.05	80.4
QLNO	IV	2026-02-12 16:53:45.172	0.020	0	-0.51	1.02	2026-02-12 16:53:55.310	0.357	7	-0.93	0.46	84.7
PCP	GU	2026-02-12 16:53:47.933	0.020	0	0.10	0.96	2026-02-12 16:53:59.696	0.040	0	-0.32	1.11	100.2

Local magnitude (M_L) calculation results

Station	Net	Channels	Stat. Mag.	Wood-And. Ampl.	Dist. (km)	Azimuth
PZZ	GU	HH	1.44	1.30e+0	19.4	301
STV	GU	HH	1.43	3.75e-1	22.8	173
ENR	GU	HH	1.56	8.07e-1	26.2	156
PONC	IV	HH	1.22	1.80e-1	32.4	315
CMAG	IV	HH	1.61	1.98e-1	48.6	76
TURF	FR	HH	1.15	5.93e-2	51.9	171
SAOF	FR	HH	0.84	2.65e-2	54.2	157
PVT	IT	HN	1.56	9.04e-2	66.7	131
ESCA	FR	HH	1.30	4.90e-2	67.5	175
RRL	GU	HH	1.15	2.27e-2	68.5	324
RORO	GU	HH	1.63	9.28e-2	71.3	120
BIGN	GU	EH	1.33	4.52e-2	72.2	150
OGAG	FR	HH	1.23	3.57e-2	72.5	304
IMI	GU	HH	1.82	1.72e-1	75.5	140
RSP	GU	HH	1.06	2.04e-2	80.4	358
QLNO	IV	HH	1.48	4.42e-2	84.7	98
PCP	GU	HH	1.62	4.50e-2	100.2	82

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

1.0722e-4

2.1363e-5

1.0638e-5

2.3289e-6

1.3210e-6

2.2339e-4

4.0188e-5

2.0770e-6

4.3585e-7

19.4

301

PZZ

HHN

1.3047e-4

1.8617e-5

9.3234e-6

2.8790e-6

1.5870e-6

2.3370e-4

3.9940e-5

2.5591e-6

4.5515e-7

19.4

301

PZZ

HHE

1.0306e-4

1.5175e-5

9.3972e-6

3.2638e-6

1.6251e-6

3.5383e-4

4.2673e-5

2.5751e-6

4.3630e-7

19.4

301

STV

HHZ

5.6297e-5

5.9784e-6

1.9391e-6

5.7204e-7

3.1188e-7

1.0912e-4

6.4371e-6

6.0292e-7

1.3939e-7

22.8

173

STV

HHN

5.0198e-5

4.1984e-6

1.2116e-6

2.6905e-7

1.6978e-7

8.3079e-5

4.4012e-6

3.4093e-7

8.8922e-8

22.8

173

STV

HHE

8.1304e-5

1.0251e-5

2.7105e-6

6.7673e-7

4.3336e-7

1.2140e-4

1.0536e-5

7.1215e-7

1.9014e-7

22.8

173

ENR

HHZ

1.1426e-4

9.1800e-6

2.1653e-6

7.7512e-7

3.9417e-7

9.4231e-5

6.6880e-6

7.2545e-7

1.9068e-7

26.2

156

ENR

HHN

2.9597e-4

2.7373e-5

4.7194e-6

1.3303e-6

7.8960e-7

3.2549e-4

1.7329e-5

1.8015e-6

5.2921e-7

26.2

156

ENR

HHE

3.1436e-4

2.5871e-5

5.3325e-6

1.4488e-6

8.2714e-7

1.9072e-4

1.8172e-5

1.5056e-6

4.8743e-7

26.2

156

PONC

HHZ

2.3071e-5

2.5960e-6

1.0969e-6

3.3045e-7

1.8383e-7

3.5362e-5

5.0226e-6

2.6517e-7

5.0542e-8

32.4

315

PONC

HHN

1.5606e-5

2.7521e-6

1.5096e-6

4.3949e-7

2.5146e-7

3.1694e-5

8.8009e-6

3.7870e-7

5.7137e-8

32.4

315

PONC

HHE

1.3535e-5

2.1497e-6

1.3722e-6

4.2158e-7

2.4200e-7

2.3743e-5

7.9058e-6

3.6908e-7

6.1961e-8

32.4

315

ISO

HHZ

1.3110e-5

1.3813e-6

4.4462e-7

1.4069e-7

6.4030e-8

1.5540e-5

2.1027e-6

1.1228e-7

2.8476e-8

35.0

216

ISO

HHN

1.4310e-5

1.2808e-6

3.7594e-7

1.5261e-7

9.0171e-8

1.6769e-5

1.2955e-6

1.4855e-7

2.6181e-8

35.0

216

ISO

HHE

2.0649e-5

1.4708e-6

6.2606e-7

2.1635e-7

1.3005e-7

2.3075e-5

3.0445e-6

1.9939e-7

3.4540e-8

35.0

216

BHB

HHZ

9.6830e-6

1.0550e-6

4.4997e-7

1.4051e-7

6.6517e-8

2.2245e-5

1.6900e-6

1.2957e-7

2.1446e-8

46.0

357

BHB

HHN

7.0873e-6

1.1023e-6

4.7903e-7

1.1592e-7

6.5720e-8

1.8059e-5

2.1898e-6

1.1077e-7

2.4334e-8

46.0

357

BHB

HHE

1.0032e-5

1.2111e-6

4.3886e-7

1.2708e-7

7.0192e-8

2.2342e-5

1.8176e-6

1.4489e-7

2.6172e-8

46.0

357

CMAG

HHZ

1.0767e-5

1.5062e-6

1.0906e-6

4.1396e-7

1.8468e-7

2.0247e-5

4.5762e-6

2.7494e-7

3.7646e-8

48.6

CMAG

HHN

9.4336e-6

2.1697e-6

1.6777e-6

5.9555e-7

2.6326e-7

3.0297e-5

9.2830e-6

3.4301e-7

4.7075e-8

48.6

CMAG

HHE

1.1423e-5

2.5457e-6

2.1280e-6

6.6410e-7

2.7161e-7

5.6154e-5

1.0258e-5

4.2349e-7

6.3576e-8

48.6

GBOS

HHZ

3.2794e-5

7.3482e-6

4.3130e-6

9.5941e-7

4.6227e-7

1.0380e-4

1.7422e-5

8.0494e-7

1.6848e-7

49.0

116

GBOS

HHN

2.8511e-5

5.7703e-6

3.7798e-6

8.4632e-7

3.9514e-7

7.6044e-5

1.3692e-5

6.4676e-7

1.2270e-7

49.0

116

GBOS

HHE

3.6276e-5

7.2111e-6

3.7634e-6

1.2052e-6

6.6117e-7

1.1386e-4

1.8587e-5

1.0162e-6

1.7059e-7

49.0

116

TURF

HHZ

3.8430e-6

5.6573e-7

3.5595e-7

1.1474e-7

5.6857e-8

9.5671e-6

1.3788e-6

8.8461e-8

1.2428e-8

51.9

171

TURF

HHN

5.0343e-6

8.9077e-7

4.9263e-7

1.6604e-7

9.9798e-8

2.4007e-5

1.8730e-6

1.4838e-7

2.4172e-8

51.9

171

TURF

HHE

3.6841e-6

5.9644e-7

3.4654e-7

1.1301e-7

5.2317e-8

1.0335e-5

1.5198e-6

6.7740e-8

1.2874e-8

51.9

171

SAOF

HHZ

2.0440e-6

2.5294e-7

1.7894e-7

7.5114e-8

3.4995e-8

3.2905e-6

8.0433e-7

4.1281e-8

6.9329e-9

54.2

157

SAOF

HHN

3.0390e-6

4.1245e-7

2.3192e-7

7.7733e-8

3.8128e-8

8.4889e-6

1.0181e-6

4.7723e-8

9.1904e-9

54.2

157

SAOF

HHE

2.0226e-6

3.6356e-7

2.4554e-7

9.8769e-8

6.0294e-8

4.5960e-6

1.6111e-6

8.5993e-8

9.1299e-9

54.2

157

PVT

HNZ

6.9662e-6

8.4590e-7

5.9016e-7

3.6270e-7

1.7182e-7

1.4336e-5

4.9663e-6

2.2657e-7

2.1928e-8

66.7

131

PVT

HNN

1.5493e-5

1.5469e-6

7.4997e-7

3.1393e-7

1.5074e-7

2.8958e-5

3.7462e-6

2.1037e-7

4.0326e-8

66.7

131

PVT

HNE

1.1770e-5

1.3303e-6

5.5822e-7

3.1419e-7

1.8701e-7

1.7774e-5

2.9418e-6

2.6506e-7

2.8053e-8

66.7

131

ESCA

HHZ

3.6730e-6

4.5889e-7

2.6490e-7

8.2437e-8

4.5096e-8

6.5326e-6

1.9724e-6

7.2113e-8

1.3646e-8

67.5

175

ESCA

HHN

4.6158e-6

8.1016e-7

3.1881e-7

7.7203e-8

5.3460e-8

1.7314e-5

1.3923e-6

7.9642e-8

1.6670e-8

67.5

175

ESCA

HHE

4.3208e-6

7.7911e-7

4.7145e-7

1.1625e-7

6.4814e-8

8.2941e-6

2.4373e-6

9.5092e-8

1.6999e-8

67.5

175

RRL

HHZ

1.5227e-6

2.1315e-7

1.6077e-7

8.0453e-8

3.3333e-8

3.8213e-6

1.0862e-6

4.8544e-8

6.5772e-9

68.5

324

RRL

HHN

1.8894e-6

3.5574e-7

2.1640e-7

6.3047e-8

3.3871e-8

6.4116e-6

1.0924e-6

4.9605e-8

8.8570e-9

68.5

324

RRL

HHE

1.7163e-6

3.1191e-7

1.8416e-7

7.2016e-8

3.7689e-8

5.5473e-6

1.2532e-6

5.2155e-8

8.5550e-9

68.5

324

RORO

HHZ

8.5710e-6

1.2408e-6

8.2751e-7

1.9243e-7

1.1772e-7

1.6697e-5

3.9602e-6

1.9040e-7

3.3361e-8

71.3

120

RORO

HHN

6.8658e-6

1.2033e-6

8.2277e-7

1.8702e-7

9.7008e-8

2.0669e-5

3.6795e-6

1.5222e-7

3.0221e-8

71.3

120

RORO

HHE

7.7280e-6

1.1923e-6

9.0061e-7

1.8462e-7

1.0513e-7

2.1498e-5

4.4947e-6

1.6845e-7

3.1413e-8

71.3

120

BIGN

EHZ

2.5385e-6

3.1667e-7

1.4049e-7

6.1199e-8

6.9994e-8

4.7554e-6

4.9380e-7

1.0939e-7

1.0234e-8

72.2

150

BIGN

EHN

4.7512e-6

5.9210e-7

3.8470e-7

1.6148e-7

1.1295e-7

7.6280e-6

1.6097e-6

1.5751e-7

1.5578e-8

72.2

150

BIGN

EHE

6.5157e-6

7.5676e-7

2.8026e-7

1.0664e-7

7.8955e-8

9.9648e-6

9.9094e-7

1.4290e-7

1.6033e-8

72.2

150

OGAG

HHZ

6.5926e-7

1.9126e-7

1.8709e-7

1.2034e-7

5.8456e-8

2.1564e-6

1.1676e-6

6.1379e-8

5.6931e-9

72.5

304

OGAG

HHN

7.3584e-7

1.8808e-7

1.5288e-7

9.8115e-8

5.2483e-8

2.0468e-6

7.5527e-7

5.8378e-8

6.3055e-9

72.5

304

OGAG

HHE

8.6250e-7

2.8038e-7

2.3640e-7

1.7731e-7

7.0166e-8

1.4629e-6

1.7856e-6

7.3995e-8

7.5484e-9

72.5

304

IMI

HHZ

5.8565e-6

9.9873e-7

6.0953e-7

2.1493e-7

1.1487e-7

1.7713e-5

2.9176e-6

1.7619e-7

2.5354e-8

75.5

140

IMI

HHN

1.3768e-5

2.7115e-6

1.2875e-6

4.7585e-7

1.9020e-7

3.0907e-5

5.6961e-6

2.6907e-7

5.6787e-8

75.5

140

IMI

HHE

7.9299e-6

1.5560e-6

6.9668e-7

2.3776e-7

1.2783e-7

1.9946e-5

1.7299e-6

2.0347e-7

3.5101e-8

75.5

140

RSP

HHZ

2.7484e-6

2.6285e-7

1.2220e-7

5.2747e-8

2.3550e-8

4.2405e-6

6.3889e-7

3.5141e-8

5.8510e-9

80.4

358

RSP

HHN

2.9160e-6

2.9942e-7

1.8633e-7

5.3018e-8

2.2835e-8

6.0199e-6

6.3563e-7

3.7307e-8

7.8035e-9

80.4

358

RSP

HHE

2.2652e-6

2.8539e-7

1.6437e-7

5.2335e-8

2.7833e-8

6.0321e-6

7.9346e-7

4.3173e-8

6.8017e-9

80.4

358

QLNO

HHZ

3.8887e-6

4.7644e-7

2.1063e-7

9.3248e-8

4.9727e-8

1.0735e-5

9.8587e-7

6.9969e-8

1.0482e-8

84.7

QLNO

HHN

5.0071e-6

6.6883e-7

3.7247e-7

1.7758e-7

6.2515e-8

1.3223e-5

1.2475e-6

8.9193e-8

1.6811e-8

84.7

QLNO

HHE

7.6526e-6

8.3060e-7

3.5772e-7

1.7585e-7

6.2762e-8

1.0636e-5

1.5371e-6

8.9941e-8

1.9347e-8

84.7

PCP

HHZ

2.0860e-6

5.2814e-7

4.3962e-7

2.3819e-7

9.8207e-8

6.4102e-6

2.4283e-6

1.3330e-7

1.5478e-8

100.2

PCP

HHN

2.1521e-6

4.2122e-7

3.0094e-7

1.2023e-7

5.3226e-8

6.8801e-6

1.7825e-6

8.2277e-8

1.1544e-8

100.2

PCP

HHE

2.4721e-6

5.2283e-7

3.9534e-7

1.3897e-7

7.6761e-8

6.1478e-6

2.8576e-6

1.0871e-7

1.5354e-8

100.2

*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): 1.4 2026-02-12 16:53:30 (UTC)

MANUAL Location - Area: Alpi Cozie , magnitude (M_L): 1.4
2026-02-12 16:53:30 (UTC)