Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.4 on date 14-09-2020 and time 17:20:09 (Italy) in region 7 km W Castel del Rio (BO)

A magnitude ML 2.4 earthquake occured in region: 7 km W Castel del Rio (BO), on

  • 14-09-2020 15:20:09 (UTC)
  • 14-09-2020 17:20:09 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.1980, 11.4170 at 9 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

Search earthquakes: Any within 30 km radius

The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Castel del Rio BO 7 1246 1246
Monghidoro BO 8 3749 4995
Firenzuola FI 9 4726 9721
Loiano BO 11 4294 14015
Fontanelice BO 13 1943 15958
Palazzuolo sul Senio FI 14 1154 17112
Monterenzio BO 14 6035 23147
Monzuno BO 15 6328 29475
San Benedetto Val di Sambro BO 15 4315 33790
Borgo Tossignano BO 16 3288 37078
Casola Valsenio RA 17 2617 39695
Casalfiumanese BO 20 3438 43133

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km SW of Imola (69797 inhabitants)
34 Km S of Bologna (386663 inhabitants)
38 Km W of Faenza (58541 inhabitants)
43 Km NE of Prato (191150 inhabitants)
49 Km N of Firenze (382808 inhabitants)
50 Km NE of Pistoia (90315 inhabitants)
50 Km W of Forlì (117913 inhabitants)
52 Km NE of Scandicci (50609 inhabitants)
63 Km SE of Modena (184973 inhabitants)
66 Km W of Cesena (96758 inhabitants)
67 Km W of Ravenna (159116 inhabitants)
73 Km S of Ferrara (133155 inhabitants)
78 Km SE of Carpi (70699 inhabitants)
83 Km E of Lucca (89046 inhabitants)
84 Km SE of Reggio nell'Emilia (171345 inhabitants)
89 Km NW of Arezzo (99543 inhabitants)
93 Km W of Rimini (147750 inhabitants)
97 Km NE of Pisa (89158 inhabitants)
98 Km N of Siena (53903 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Bulletin
Rev1000 		ML 2.4 2020-09-14
15:20:09		 44.1978 11.4173 9 2021-02-26
14:56:15		 Bollettino Sismico Italiano INGV 86351351
Reviewed
Rev100 		ML 2.4 2020-09-14
15:20:09		 44.2028 11.4175 8 2020-09-14
15:30:44		 Sala Sismica INGV-Roma 82905811
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-09-14 15:20:09 ± 0.07
Latitude 44.1978 ± 0.0045
Longitude 11.4173 ± 0.0050
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 86351351

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 442
Semi-minor axis of confidence ellipse (meter) 376
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 4
Circular confidence region, given by single value of horizontal uncertainty (meter) 440.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 66
Number of associated phases, regardless of their use for origin computation 46
Number of defining phases 45
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.57112
Number of stations at which the event was observed 26
Number of stations from which data was used for origin computation 25
Magnitudes information

ML:2.4

Field Value
Value 2.4
Uncertainty 0.3
Num. used stations 62
Type of magnitude ML
Reference to an origin 82905811
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-09-14 15:30:44

ML:2.4

Field Value
Value 2.4
Uncertainty 0.3
Num. used stations 61
Type of magnitude ML
Reference to an origin 86351351
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-01-18 11:30:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
MN.BNI.HHZ. 2020-09-14T15:22:06.39 3.0 undecidable manual Sg 19.809999 0
GU.GORR.HHZ. 2020-09-14T15:20:39.02 0.6 undecidable manual P 286 174.3921 50 0.62 29
IV.PII.HHZ. 2020-09-14T15:20:36.50 1.0 undecidable manual S 234 88.6446 50 0.03 21
IV.CSNT.HHZ. 2020-09-14T15:20:34.24 0.3 undecidable manual S 187 81.0522 50 -0.19 63
IV.CRE.HHZ. 2020-09-14T15:20:34.00 1.0 undecidable manual S 146 77.1672 50 0.61 19
IV.ARVD.HHZ. 2020-09-14T15:20:34.69 0.6 undecidable manual P 122 144.5442 50 0.89 29
IV.ZOVE.EHZ. 2020-09-14T15:20:33.58 0.6 undecidable manual P 2 139.3605 50 0.57 34
IV.BDI.HHZ. 2020-09-14T15:20:31.10 0.6 undecidable manual S 257 67.0773 50 0.38 41
IV.CRMI.HHZ. 2020-09-14T15:20:28.40 0.6 undecidable manual S 218 56.6988 50 0.47 41
GU.POPM.HHZ. 2020-09-14T15:20:27.60 0.3 undecidable manual S 252 55.3002 50 0.05 68
IV.ASQU.HHZ. 2020-09-14T15:20:27.30 0.6 undecidable manual S 146 53.502 50 0.22 44
IV.PII.HHZ. 2020-09-14T15:20:25.53 0.3 undecidable manual P 234 88.6446 50 0.34 60
IV.SFI.EHZ. 2020-09-14T15:20:25.70 0.6 undecidable manual S 133 47.2194 50 0.29 44
IV.PARC.HHZ. 2020-09-14T15:20:25.31 0.6 undecidable manual P 133 89.5437 50 -0.02 43
IV.CSNT.HHZ. 2020-09-14T15:20:24.82 0.6 undecidable manual P 187 81.0522 50 0.81 35
IV.RUFI.EHZ. 2020-09-14T15:20:24.20 0.6 undecidable manual S 170 40.626 50 0.56 41
IV.CRE.HHZ. 2020-09-14T15:20:23.37 0.6 undecidable manual P 146 77.1672 50 -0.04 44
IV.RINC.HHZ. 2020-09-14T15:20:22.70 0.3 undecidable manual S 156 37.7289 50 -0.17 68
IV.MPPT.EHZ. 2020-09-14T15:20:22.70 0.6 undecidable manual S 224 37.3293 50 -0.05 47
IV.BDI.HHZ. 2020-09-14T15:20:21.53 0.3 undecidable manual P 257 67.0773 50 -0.34 63
IV.IMOL.EHZ. 2020-09-14T15:20:21.56 0.6 undecidable manual S 55 31.4463 105 0.47 43
IV.MOCL.EHZ. 2020-09-14T15:20:20.30 0.6 undecidable manual S 221 28.5492 107 0.19 46
IV.CRMI.HHZ. 2020-09-14T15:20:20.51 0.6 undecidable manual P 218 56.6988 50 0.25 43
IV.BRIS.HHZ. 2020-09-14T15:20:20.40 0.3 undecidable manual S 84 27.9498 107 0.49 65
IV.ASQU.HHZ. 2020-09-14T15:20:19.37 0.1 undecidable manual P 146 53.502 50 -0.4 84
GU.POPM.HHZ. 2020-09-14T15:20:19.68 0.1 negative manual P 252 55.3002 50 -0.36 85
IV.LMD.HHZ. 2020-09-14T15:20:19.50 0.6 undecidable manual S 120 26.6511 108 0 48
IV.RONT.HHZ. 2020-09-14T15:20:18.88 0.3 undecidable manual S 177 22.6551 111 0.68 61
IV.SFI.EHZ. 2020-09-14T15:20:18.05 0.6 undecidable manual P 133 47.2194 50 -0.75 38
IV.FNVD.HHZ. 2020-09-14T15:20:18.30 0.3 undecidable manual S 262 23.6541 110 -0.21 70
IV.ZCCA.HHZ. 2020-09-14T15:20:17.87 0.1 positive manual P 296 38.9277 50 0.35 88
IV.SEI.HHZ. 2020-09-14T15:20:17.00 0.6 undecidable manual S 196 16.5723 117 0.74 40
IV.RUFI.EHZ. 2020-09-14T15:20:17.43 0.3 undecidable manual P 170 40.626 50 -0.35 66
IV.MPPT.EHZ. 2020-09-14T15:20:16.93 0.1 undecidable manual P 224 37.3293 50 -0.34 88
IV.IMOL.EHZ. 2020-09-14T15:20:16.27 0.3 undecidable manual P 55 31.4463 105 -0.04 71
IV.RINC.HHZ. 2020-09-14T15:20:16.98 0.1 negative manual P 156 37.7289 50 -0.36 88
IV.BRIS.HHZ. 2020-09-14T15:20:15.13 0.1 positive manual P 84 27.9498 107 -0.5 86
IV.MTRZ.HHZ. 2020-09-14T15:20:15.80 0.6 undecidable manual S 3 12.7761 124 0.69 41
IV.MOCL.EHZ. 2020-09-14T15:20:15.46 0.1 negative manual P 221 28.5492 107 -0.29 91
IV.RONT.HHZ. 2020-09-14T15:20:14.60 0.1 negative manual P 177 22.6551 111 -0.04 96
IV.FNVD.HHZ. 2020-09-14T15:20:14.53 0.1 positive manual P 262 23.6541 110 -0.29 91
IV.LMD.HHZ. 2020-09-14T15:20:14.69 0.1 positive manual P 120 26.6511 108 -0.7 80
IV.SEI.HHZ. 2020-09-14T15:20:13.59 0.1 negative manual P 196 16.5723 117 0.07 97
IV.MTRZ.HHZ. 2020-09-14T15:20:12.67 0.1 negative manual P 3 12.7761 124 -0.19 95
IV.VISG.HHZ. 2020-09-14T15:20:12.90 0.6 undecidable manual S 126 1.6983 169 0.09 49
IV.VISG.HHZ. 2020-09-14T15:20:11.50 0.1 positive manual P 126 1.6983 169 -0.03 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRZ.HHE. ML:3.0 0.012899999999999998 0.3 AML other m 2020-09-14T15:20:16.10
IV.MTRZ.HNE. ML:3.0 0.01245 0.32 AML other m 2020-09-14T15:20:16.26
IV.MTRZ.HNN. ML:3.0 0.0115 0.2 AML other m 2020-09-14T15:20:17.24
IV.MTRZ.HHN. ML:3.0 0.012335 0.2 AML other m 2020-09-14T15:20:17.24
IV.SEI.HHN. ML:2.9 0.00732 1.14 AML other m 2020-09-14T15:20:17.99
IV.FNVD.HHE. ML:3.0 0.007005 0.28 AML other m 2020-09-14T15:20:18.68
IV.FNVD.HHN. ML:3.1 0.008305 0.46 AML other m 2020-09-14T15:20:18.80
IV.SEI.HHE. ML:2.6 0.004059999999999999 1.54 AML other m 2020-09-14T15:20:18.99
IV.LMD.HHN. ML:2.6 0.00218 0.28 AML other m 2020-09-14T15:20:20.06
IV.LMD.HHE. ML:2.6 0.0023 0.76 AML other m 2020-09-14T15:20:20.10
IV.MOCL.EHN. ML:2.3 0.00101 0.28 AML other m 2020-09-14T15:20:20.67
IV.MOCL.EHE. ML:2.5 0.0016899999999999999 0.16 AML other m 2020-09-14T15:20:21.45
IV.ZCCA.HNN. ML:2.2 0.000554 1.6 AML other m 2020-09-14T15:20:21.90
IV.ZCCA.HNE. ML:2.3 0.0006815 1.5 AML other m 2020-09-14T15:20:22.11
IV.RONT.HHN. ML:2.6 0.0029500000000000004 1.02 AML other m 2020-09-14T15:20:22.56
IV.RONT.HHE. ML:2.6 0.00254 0.74 AML other m 2020-09-14T15:20:22.55
IV.ZCCA.HHE. ML:2.3 0.0007344999999999999 1.58 AML other m 2020-09-14T15:20:22.16
IV.MPPT.EHN. ML:2.2 0.000588 0.34 AML other m 2020-09-14T15:20:23.48
IV.MPPT.EHE. ML:2.1 0.0004985 0.6 AML other m 2020-09-14T15:20:24.63
IV.IMOL.HNN. ML:2.8 0.0026349999999999998 0.88 AML other m 2020-09-14T15:20:24.70
IV.BRIS.HHN. ML:2.7 0.002695 1.4 AML other m 2020-09-14T15:20:24.03
IV.RINC.HHE. ML:2.4 0.0010415 0.42 AML other m 2020-09-14T15:20:24.59
IV.SFI.EHE. ML:2.4 0.0007645 0.64 AML other m 2020-09-14T15:20:25.56
IV.SFI.HNN. ML:2.5 0.0009455 0.94 AML other m 2020-09-14T15:20:25.97
IV.SFI.EHN. ML:2.5 0.0009475 0.96 AML other m 2020-09-14T15:20:25.98
IV.BRIS.HHE. ML:2.7 0.002785 0.42 AML other m 2020-09-14T15:20:26.07
IV.SFI.HNE. ML:2.4 0.0007524999999999999 0.44 AML other m 2020-09-14T15:20:26.56
IV.ZCCA.HHN. ML:2.2 0.0005985000000000001 0.38 AML other m 2020-09-14T15:20:27.79
IV.IMOL.HNE. ML:2.8 0.00321 0.34 AML other m 2020-09-14T15:20:28.25
GU.POPM.HHE. ML:2.3 0.0004985 0.72 AML other m 2020-09-14T15:20:28.39
IV.RUFI.EHN. ML:2.0 0.0003685 0.92 AML other m 2020-09-14T15:20:28.85
IV.RUFI.EHE. ML:2.0 0.0003485 0.46 AML other m 2020-09-14T15:20:29.36
IV.FIR.HHE. ML:2.4 0.0006684999999999999 0.6 AML other m 2020-09-14T15:20:29.59
IV.ASQU.HHE. ML:2.4 0.0006185 1.78 AML other m 2020-09-14T15:20:30.06
IV.RINC.HHN. ML:2.4 0.0008685 0.4 AML other m 2020-09-14T15:20:30.43
IV.ASQU.HHN. ML:2.5 0.0008315 0.56 AML other m 2020-09-14T15:20:30.26
IV.CRMI.HHE. ML:1.8 0.00015200000000000004 0.68 AML other m 2020-09-14T15:20:30.90
GU.POPM.HHN. ML:2.5 0.0007545 0.3 AML other m 2020-09-14T15:20:30.68
IV.FIR.HHN. ML:2.5 0.0008629999999999999 1.62 AML other m 2020-09-14T15:20:30.18
IV.FIR.HNN. ML:2.5 0.0008945000000000001 0.5 AML other m 2020-09-14T15:20:31.18
IV.CRMI.HHN. ML:1.9 0.000178 0.32 AML other m 2020-09-14T15:20:31.73
IV.BDI.HNN. ML:2.4 0.0004435 0.96 AML other m 2020-09-14T15:20:34.65
IV.BDI.HHN. ML:2.3 0.00034899999999999997 0.36 AML other m 2020-09-14T15:20:35.68
IV.BDI.HHE. ML:2.4 0.0005204999999999999 0.56 AML other m 2020-09-14T15:20:36.18
IV.BDI.HNE. ML:2.4 0.0004595 0.92 AML other m 2020-09-14T15:20:36.17
IV.CSNT.HHE. ML:2.0 0.0001275 0.82 AML other m 2020-09-14T15:20:38.43
IV.CRE.HHN. ML:2.4 0.000374 0.34 AML other m 2020-09-14T15:20:39.30
IV.CRE.HHE. ML:2.3 0.000263 1.12 AML other m 2020-09-14T15:20:39.95
IV.PII.HHN. ML:2.7 0.0006734999999999999 0.84 AML other m 2020-09-14T15:20:40.49
IV.PII.HHE. ML:2.7 0.0005629999999999999 0.46 AML other m 2020-09-14T15:20:40.45
IV.CSNT.HHN. ML:2.2 0.00020999999999999998 0.4 AML other m 2020-09-14T15:20:41.47
IV.PARC.HHN. ML:2.3 0.00021300000000000003 0.42 AML other m 2020-09-14T15:20:42.68
IV.PARC.HHE. ML:2.2 0.00017749999999999998 0.54 AML other m 2020-09-14T15:20:48.71
IV.ZOVE.HNN. ML:2.4 0.00016425 0.48 AML other m 2020-09-14T15:20:52.48
IV.ZOVE.EHN. ML:2.4 0.0001485 0.48 AML other m 2020-09-14T15:20:52.49
IV.ZOVE.HNE. ML:2.4 0.00013735 1.62 AML other m 2020-09-14T15:20:52.98
IV.ZOVE.EHE. ML:2.4 0.00014299999999999998 0.4 AML other m 2020-09-14T15:20:52.98
IV.ARVD.HHE. ML:2.3 0.00010895 0.54 AML other m 2020-09-14T15:21:01.41
IV.ARVD.HHN. ML:2.3 0.00010935 0.74 AML other m 2020-09-14T15:21:04.06
GU.RNCA.HHN. ML:2.1 0.00003305 0.6 AML other m 2020-09-14T15:21:13.77
GU.RNCA.HHE. ML:2.1 0.00003785 1.26 AML other m 2020-09-14T15:21:13.22
IV.VISG.HHN. ML:0.0 0.013787199999999998 0.1024 AML other m 2020-09-14T15:20:13.08
IV.VISG.HHE. ML:0.0 0.010019649000000002 0.1792 AML other m 2020-09-14T15:20:13.84
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download
Waveforms Seismic signals in miniseed + resp format Download