RsniPicker2 Automatic Earthquake Location

AUTOMATIC Location - Area: Appennino bolognese , magnitude (M_L): 1.3
2025-08-12 01:29:12 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-08-12 01:34:07

Earthquake info - RsniPicker₂ automatic location

Event - ID :	250812012901
Magnitude (M_L) :	1.3 +/- 0.3
Origin Time :	2025-08-12 01:29:12.78 (UTC)
Location :	Latitude: 44.179 N, Longitude: 11.555 E
Area :	Appennino bolognese
Depth (km) :	19.46
Distances (km) :	5.5 --- Castel del Rio (BO) 7.1 --- Palazzuolo sul Senio (FI) 7.6 --- Casola Valsenio (RV) 9.1 --- Fontanelice (BO) 11.6 --- Borgo Tossignano (BO) 12.2 --- Marradi (FI) 14.4 --- Casalfiumanese (BO) 15.5 --- Firenzuola (FI) 17.3 --- Riolo Terme (RV) 18.4 --- Brisighella (RV) 18.6 --- Tredozio (FO) 19.2 --- Modigliana (FO) 19.4 --- Monghidoro (BO) 20.3 --- Monterenzio (BO) 21.1 --- Dozza (BO) 21.2 --- Loiano (BO) 23.4 --- Imola (BO) 24.7 --- Castel San Pietro Terme (BO) 24.9 --- Portico e San Benedetto (FO) 25.1 --- Castel Bolognese (RV)

Quality location estimate:
Erh: 32.3 km, Erz: 14.8 km, Nf: 7, Gap: 206°, Rms: 0.106 s
Stazioni validate: 5

RsniPicker₂ - Automatic location results

Station	Net	P arrival times	P pick err	P pick weight	P res	Nll weight	S arrival time	S pick err	S pick weight	S res	Nll weight	Dist.
LMD	IV	2025-08-12 01:29:18.219	0.013	0	0.00	1.81	--:--	-.---	-	-.--	-.--	25.5
RUFI	IV	2025-08-12 01:29:20.959	0.021	0	0.00	1.77	--:--	-.---	-	-.--	-.--	42.7
SARM	GU	2025-08-12 01:29:31.660	0.085	1	1.91	0.02	--:--	-.---	-	-.--	-.--	94.1
PII	IV	2025-08-12 01:29:30.200	0.049	0	-0.03	1.33	--:--	-.---	-	-.--	-.--	98.8
GRAM	GU	2025-08-12 01:29:35.549	0.063	1	0.06	1.11	--:--	-.---	-	-.--	-.--	125.0
PLMA	IV	2025-08-12 01:29:36.400	0.256	2	1.08	0.04	--:--	-.---	-	-.--	-.--	137.9
MSSA	IV	2025-08-12 01:29:39.939	0.082	1	-0.14	0.92	--:--	-.---	-	-.--	-.--	164.2

RsniPicker₂ - Automatic magnitude (M_L) calculation results

Station	Net	Stat. Mag.	Wood-And. Ampl.	Dist. (km)	Azimuth	Used
SARM	GU	0.90	1.21e-2	94.1	271	SI
PII	IV	0.90	9.03e-3	98.8	239	SI
GRAM	GU	1.40	2.70e-2	125.0	287	SI
PLMA	IV	1.60	1.74e-2	137.9	265	SI
MSSA	IV	1.50	9.14e-3	164.2	276	SI

Results of PGA, PGV, IH, spectral amplitudes (SA) values calculation

Station

Net

Channel

PGA
(g)

PGV
(m/s)

PGD
(m)

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.
(°)

SARM

EHZ

5.4091e-7

9.5868e-8

0.0000e+0

8.9496e-8

1.5850e-7

2.0498e-7

1.5284e-6

4.9368e-7

3.6068e-8

3.1067e-9

94.1

271

SARM

EHN

7.7792e-7

1.0830e-7

0.0000e+0

1.0149e-7

2.0375e-7

1.1548e-6

3.8408e-7

6.6087e-8

4.8155e-9

94.1

271

SARM

EHE

3.7568e-7

9.1515e-8

0.0000e+0

7.3491e-8

1.5608e-7

2.1120e-7

9.7352e-7

3.8988e-7

4.1645e-8

4.8953e-9

94.1

271

PII

HHZ

5.1829e-7

9.8857e-8

0.0000e+0

9.3495e-8

1.5499e-7

2.0507e-7

1.5715e-6

4.3016e-7

3.1024e-8

2.7480e-9

98.8

239

PII

HHN

2.8900e-7

7.8739e-8

0.0000e+0

7.6103e-8

1.2320e-7

7.4534e-7

4.4107e-7

3.2691e-8

2.5652e-9

98.8

239

PII

HHE

2.8532e-7

7.6869e-8

0.0000e+0

7.4399e-8

1.2744e-7

1.6873e-7

8.8587e-7

5.1111e-7

2.5462e-8

2.7556e-9

98.8

239

GRAM

HHZ

9.9123e-7

2.7080e-7

0.0000e+0

2.6863e-7

4.3987e-7

5.8391e-7

2.2437e-6

2.0103e-6

1.0898e-7

7.4555e-9

125.0

287

GRAM

HHN

1.0282e-6

3.3178e-7

0.0000e+0

3.6118e-7

5.6568e-7

2.2165e-6

3.1066e-6

1.0896e-7

1.0165e-8

125.0

287

GRAM

HHE

1.1357e-6

4.1133e-7

0.0000e+0

3.2824e-7

5.6134e-7

7.6595e-7

2.0550e-6

2.1712e-6

1.6951e-7

1.2211e-8

125.0

287

PLMA

HHZ

4.4070e-7

9.6203e-8

0.0000e+0

8.4615e-8

1.7209e-7

2.7057e-7

1.3689e-6

4.5196e-7

9.2305e-8

5.8096e-9

137.9

265

PLMA

HHN

3.9826e-7

1.1656e-7

0.0000e+0

8.7578e-8

2.4176e-7

1.3496e-6

3.6815e-7

1.0795e-7

5.4060e-9

137.9

265

PLMA

HHE

3.3770e-7

1.0615e-7

0.0000e+0

7.6771e-8

2.2578e-7

3.2229e-7

1.0560e-6

3.2565e-7

1.2342e-7

6.4246e-9

137.9

265

MSSA

HHZ

2.0811e-7

4.6245e-8

0.0000e+0

4.5353e-8

7.3931e-8

1.0002e-7

7.4614e-7

1.8250e-7

2.1679e-8

1.7054e-9

164.2

276

MSSA

HHN

1.0115e-7

2.1397e-8

0.0000e+0

2.3554e-8

4.2619e-8

4.5273e-7

9.6537e-8

2.2051e-8

1.0761e-9

164.2

276

MSSA

HHE

1.3326e-7

3.0212e-8

0.0000e+0

2.9578e-8

5.3429e-8

7.6220e-8

5.1556e-7

1.1347e-7

2.5006e-8

1.6906e-9

164.2

276

*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)

AUTOMATIC Location - Area: Appennino bolognese , magnitude (ML): 1.3 2025-08-12 01:29:12 (UTC)

AUTOMATIC Location - Area: Appennino bolognese , magnitude (M_L): 1.3
2025-08-12 01:29:12 (UTC)