RSNI - Manually revised location

MANUAL Location - Area: Frignano , magnitude (M_L): 1.5
2026-07-06 02:01:58 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2026-07-06 13:05:19

Earthquake info - Manual location

Event - ID :	260706020034
Magnitude (M_L) :	1.5 +/- 0.1
Origin Time :	2026-07-06 02:01:58.47 (UTC)
Location :	Latitude: 44.479 N, Longitude: 10.138 E
Area :	Frignano
Depth (km) :	19.11
Distances (km) :	4.0 --- Corniglio 6.3 --- Palanzano 6.8 --- Tizzano Val Parma 7.4 --- Monchio delle Corti 12.3 --- Berceto 13.3 --- Ramiseto 13.8 --- Calestano 15.2 --- Terenzo 15.9 --- Vetto 18.1 --- Collagna 18.4 --- Neviano Degli Arduini 18.4 --- Langhirano 19.1 --- Busana 19.7 --- Solignano 20.7 --- Comano 21.3 --- Bagnone 21.4 --- Castelnovo ne Monti 22.4 --- Lesignano de Bagni 22.7 --- Valmozzola 22.8 --- Filattiera

Quality location estimate: Erh: 4 km, Erz: 2.3 km, Nf: 18, Gap: 190 °, Rms: 0.19

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.
BGN	IT	2026-07-06 02:02:03.503	0.060	2	0.04	1.55	2026-07-06 02:02:07.105	0.100	2	-0.07	1.53	28.5
FIVI	GU	2026-07-06 02:02:04.338	0.060	2	0.11	1.18	--:--	-.---	-	-.--	-.--	32.8
BVT	IT	2026-07-06 02:02:05.432	0.060	2	0.04	1.54	2026-07-06 02:02:10.135	0.130	3	-0.45	0.62	37.6
AUL	IT	2026-07-06 02:02:05.078	0.080	3	-0.06	1.59	2026-07-06 02:02:09.427	0.250	6	-0.68	0.44	38.0
EQUI	GU	2026-07-06 02:02:05.300	0.035	1	-0.23	1.10	2026-07-06 02:02:10.765	0.200	5	0.02	1.20	39.9
GSCL	GU	2026-07-06 02:02:06.950	0.032	1	-0.04	1.62	2026-07-06 02:02:13.310	0.119	3	-0.11	1.36	43.2
CRR	IT	2026-07-06 02:02:06.659	0.150	6	-0.25	1.12	--:--	-.---	-	-.--	-.--	47.3
MSSA	IV	2026-07-06 02:02:07.820	0.044	2	-0.72	0.25	2026-07-06 02:02:14.310	0.147	4	-1.87	0.01	56.2
GORR	GU	2026-07-06 02:02:10.950	0.048	2	-0.20	1.25	2026-07-06 02:02:19.780	0.202	6	-1.15	0.12	71.3
RNCA	GU	2026-07-06 02:02:14.914	0.040	1	0.26	0.60	2026-07-06 02:02:25.680	0.306	7	-0.12	0.92	96.1

Local magnitude (M_L) calculation results

Station	Net	Channels	Stat. Mag.	Wood-And. Ampl.	Dist. (km)	Azimuth
BGN	IT	HG	1.46	3.93e-1	28.5	214
BVT	IT	HN	1.63	3.42e-1	37.6	281
AUL	IT	HN	1.66	3.63e-1	38.0	204
GSCL	GU	HH	1.29	1.20e-1	43.2	112
MSSA	IV	HH	1.28	6.88e-2	56.2	250
GORR	GU	HH	1.44	5.93e-2	71.3	282
RNCA	GU	HH	1.42	2.92e-2	96.1	270

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.
(°)

BGN

HGZ

2.5010e-5

3.8014e-6

2.6530e-6

8.0341e-7

3.7357e-7

4.6826e-5

1.0198e-5

5.4391e-7

9.1724e-8

28.5

214

BGN

HGN

4.2788e-5

6.3374e-6

3.8284e-6

8.6133e-7

5.4108e-7

9.0253e-5

1.7096e-5

8.2272e-7

1.5868e-7

28.5

214

BGN

HGE

3.5014e-5

6.1835e-6

3.5439e-6

7.9590e-7

4.4666e-7

1.0889e-4

1.8350e-5

7.4588e-7

1.5703e-7

28.5

214

BVT

HNZ

8.5181e-6

1.1990e-6

7.6044e-7

4.1178e-7

1.5869e-7

1.4125e-5

3.8355e-6

1.8879e-7

2.3329e-8

37.6

281

BVT

HNN

1.3646e-5

2.7222e-6

1.8519e-6

7.3561e-7

3.9843e-7

4.6157e-5

8.3943e-6

5.0298e-7

8.1966e-8

37.6

281

BVT

HNE

1.1793e-5

3.6000e-6

2.2800e-6

1.2547e-6

6.3944e-7

2.5836e-5

1.0550e-5

9.2280e-7

1.2560e-7

37.6

281

AUL

HNZ

6.6277e-6

1.4015e-6

9.5569e-7

4.0138e-7

1.6501e-7

1.5271e-5

4.0975e-6

2.3854e-7

3.0346e-8

38.0

204

AUL

HNN

9.7575e-6

2.8898e-6

2.9445e-6

1.8442e-6

6.5326e-7

1.9306e-5

1.4394e-5

8.0517e-7

8.9760e-8

38.0

204

AUL

HNE

1.1387e-5

2.9312e-6

2.9834e-6

1.6542e-6

5.8908e-7

2.7270e-5

1.1892e-5

7.5063e-7

1.0442e-7

38.0

204

EQUI

HHZ

2.2530e-6

4.4812e-7

2.9234e-7

1.3472e-7

6.2238e-8

5.4783e-6

1.2130e-6

7.9689e-8

1.2625e-8

39.9

178

EQUI

HHN

4.1043e-6

6.4512e-7

3.6424e-7

1.8658e-7

6.6566e-8

7.2392e-6

1.6833e-6

8.0430e-8

1.3047e-8

39.9

178

EQUI

HHE

3.4139e-6

4.7626e-7

3.2332e-7

1.3142e-7

4.2653e-8

7.5121e-6

1.6635e-6

5.3168e-8

1.0314e-8

39.9

178

GSCL

HHZ

1.0521e-6

2.9191e-7

2.7670e-7

1.7490e-7

6.4139e-8

3.5822e-6

1.2719e-6

7.8035e-8

8.5774e-9

43.2

112

GSCL

HHN

2.2658e-6

9.1684e-7

9.1282e-7

5.8481e-7

1.8214e-7

6.1459e-6

3.1644e-6

2.3779e-7

3.0602e-8

43.2

112

GSCL

HHE

1.7392e-6

5.5569e-7

6.1789e-7

3.8229e-7

1.4571e-7

5.2495e-6

2.8510e-6

1.8029e-7

2.0024e-8

43.2

112

MSSA

HHZ

2.7213e-6

4.4653e-7

3.1074e-7

2.4755e-7

9.2024e-8

6.8464e-6

1.4084e-6

1.0362e-7

1.0272e-8

56.2

250

MSSA

HHN

2.3676e-6

5.9340e-7

4.6719e-7

2.1446e-7

8.9402e-8

9.1630e-6

2.1547e-6

1.2831e-7

1.6500e-8

56.2

250

MSSA

HHE

3.6058e-6

8.9804e-7

7.1057e-7

2.0525e-7

1.0055e-7

7.3680e-6

3.6267e-6

1.3963e-7

2.4221e-8

56.2

250

GORR

HHZ

1.3792e-6

4.0758e-7

4.5106e-7

3.2039e-7

9.4260e-8

4.1155e-6

1.4149e-6

1.1986e-7

1.3986e-8

71.3

282

GORR

HHN

3.2482e-6

8.6405e-7

5.9059e-7

2.4036e-7

8.7676e-8

7.5892e-6

2.3236e-6

1.2353e-7

2.2465e-8

71.3

282

GORR

HHE

1.9544e-6

5.0665e-7

4.6454e-7

3.4145e-7

1.0850e-7

4.5725e-6

1.6704e-6

1.3977e-7

1.6542e-8

71.3

282

RNCA

HHZ

1.9534e-6

2.8408e-7

1.9349e-7

6.3672e-8

3.0185e-8

5.2568e-6

8.4012e-7

3.9573e-8

5.9616e-9

96.1

270

RNCA

HHN

1.2293e-6

3.4620e-7

2.7269e-7

9.4649e-8

3.6191e-8

2.8649e-6

1.1969e-6

5.7048e-8

8.4627e-9

96.1

270

RNCA

HHE

2.2069e-6

4.3299e-7

2.9829e-7

1.0278e-7

3.8566e-8

5.2465e-6

1.4241e-6

5.7812e-8

1.0009e-8

96.1

270

*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: Frignano , magnitude (ML): 1.5 2026-07-06 02:01:58 (UTC)

MANUAL Location - Area: Frignano , magnitude (M_L): 1.5
2026-07-06 02:01:58 (UTC)