Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.4 on date 31-01-2022 and time 07:55:06 (UTC) in region 4 km W Fontanelice (BO)

A magnitude ML 2.4 earthquake occured in region: 4 km W Fontanelice (BO), on

  • 31-01-2022 07:55:06 (UTC)
  • 31-01-2022 08:55:06 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.2550, 11.5040 at 24 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
Fontanelice BO 4 1943 1943
Castel del Rio BO 5 1246 3189
Borgo Tossignano BO 7 3288 6477
Casola Valsenio RA 10 2617 9094
Casalfiumanese BO 10 3438 12532
Monterenzio BO 11 6035 18567
Loiano BO 15 4294 22861
Dozza BO 15 6652 29513
Monghidoro BO 15 3749 33262
Palazzuolo sul Senio FI 16 1154 34416
Castel San Pietro Terme BO 17 20811 55227
Riolo Terme RA 18 5720 60947
Firenzuola FI 18 4726 65673
Monzuno BO 19 6328 72001
Pianoro BO 19 17460 89461

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km SW of Imola (69797 inhabitants)
30 Km SE of Bologna (386663 inhabitants)
30 Km W of Faenza (58541 inhabitants)
43 Km W of Forlì (117913 inhabitants)
53 Km NE of Prato (191150 inhabitants)
58 Km NE of Firenze (382808 inhabitants)
58 Km W of Ravenna (159116 inhabitants)
59 Km NE of Pistoia (90315 inhabitants)
60 Km W of Cesena (96758 inhabitants)
61 Km NE of Scandicci (50609 inhabitants)
63 Km SE of Modena (184973 inhabitants)
65 Km S of Ferrara (133155 inhabitants)
77 Km SE of Carpi (70699 inhabitants)
85 Km SE of Reggio nell'Emilia (171345 inhabitants)
87 Km W of Rimini (147750 inhabitants)
92 Km E of Lucca (89046 inhabitants)
93 Km NW of Arezzo (99543 inhabitants)
94 Km S of Rovigo (51867 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 2022-01-31
07:55:06		 44.2553 11.5042 24 2022-07-08
12:33:48		 Bollettino Sismico Italiano INGV 103572281
Reviewed
Rev100 		ML 2.4 2022-01-31
07:55:07		 44.2112 11.4785 21 2022-01-31
08:04:51		 Sala Sismica INGV-Roma 100385981
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-01-31 07:55:06 ± 0.1
Latitude 44.2553 ± 0.0090
Longitude 11.5042 ± 0.0113
Depth (km) 24 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 103572281

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 951
Semi-minor axis of confidence ellipse (meter) 716
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 67
Circular confidence region, given by single value of horizontal uncertainty (meter) 950.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 49
Number of associated phases, regardless of their use for origin computation 48
Number of defining phases 48
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.45
Epicentral distance of station closest to the epicenter (degree) 0.08094
Epicentral distance of station farthest from the epicenter (degree) 2.47493
Number of stations at which the event was observed 42
Number of stations from which data was used for origin computation 42
Magnitudes information

ML:2.4

Field Value
Value 2.4
Uncertainty 0.3
Num. used stations 77
Type of magnitude ML
Reference to an origin 103572281
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-04-21 16:16:48

ML:2.4

Field Value
Value 2.4
Uncertainty 0.3
Num. used stations 77
Type of magnitude ML
Reference to an origin 100385981
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-01-31 08:04:51
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
SI.ABSI.HHZ. 2022-01-31T07:55:46.39 0.3 undecidable manual P 357 274.7139 54 0 26
OX.DRE.HHZ. 2022-01-31T07:55:44.80 0.3 undecidable manual P 37 270.6291 54 -1.09 18
ST.CARE.EHZ. 2022-01-31T07:55:43.67 0.3 undecidable manual P 346 248.862 54 0.5 30
OX.MLN.HHZ. 2022-01-31T07:55:39.54 0.3 undecidable manual P 22 227.4057 54 -0.96 27
ST.GAGG.HHZ. 2022-01-31T07:55:37.48 0.3 undecidable manual P 348 207.237 54 -0.51 38
IV.CTI.HHZ. 2022-01-31T07:55:36.05 0.3 undecidable manual P 3 199.1451 54 -0.94 33
GU.GORR.HHZ. 2022-01-31T07:55:35.05 0.6 undecidable manual P 283 179.487 54 0.51 30
SI.LUSI.HHZ. 2022-01-31T07:55:35.80 0.3 undecidable manual P 347 194.0613 54 -0.55 40
ST.VARA.EHZ. 2022-01-31T07:55:34.03 0.3 undecidable manual P 345 180.5859 54 -0.65 42
IV.MAGA.HHZ. 2022-01-31T07:55:34.68 0.3 undecidable manual P 338 182.0844 54 -0.18 48
IV.SALO.HHZ. 2022-01-31T07:55:33.84 0.3 undecidable manual P 333 169.5969 54 0.52 48
IV.MBAL.EHZ. 2022-01-31T07:55:33.30 0.3 undecidable manual P 343 167.8098 54 0.22 52
IV.ROVR.HHZ. 2022-01-31T07:55:31.33 0.3 undecidable manual P 348 158.0196 54 -0.54 49
IV.PLMA.HHZ. 2022-01-31T07:55:28.92 0.3 undecidable manual P 261 133.3665 54 0.12 59
IV.ZOVE.EHZ. 2022-01-31T07:55:28.98 0.3 undecidable manual P 359 132.9669 54 0.23 58
IV.ATVO.HHZ. 2022-01-31T07:55:27.41 0.3 undecidable manual P 143 120.8901 97 0.46 57
IV.TEOL.HHZ. 2022-01-31T07:55:26.64 0.3 undecidable manual P 6 123.4875 97 -0.7 51
IV.ATPI.EHZ. 2022-01-31T07:55:26.43 0.3 undecidable manual P 141 114.5964 97 0.44 58
IV.CAFI.HHZ. 2022-01-31T07:55:25.70 0.3 undecidable manual P 160 109.2129 98 0.53 57
GU.EQUI.HHZ. 2022-01-31T07:55:25.81 0.6 undecidable manual P 265 107.9142 98 0.84 33
IV.SFI.EHZ. 2022-01-31T07:55:23.01 0.6 undecidable manual S 145 47.5191 110 0.44 44
IV.ERBM.EHE. 2022-01-31T07:55:23.82 0.3 undecidable manual P 282 88.4448 100 1.81 30
GU.SARM.EHN. 2022-01-31T07:55:22.44 0.3 undecidable manual P 265 88.0452 100 0.49 59
IV.PARC.HHZ. 2022-01-31T07:55:22.07 0.3 undecidable manual P 139 89.244 100 -0.06 64
IV.CSNT.HHZ. 2022-01-31T07:55:22.74 0.3 undecidable manual P 191 88.4448 100 0.73 54
IV.BDI.HHZ. 2022-01-31T07:55:20.40 0.3 undecidable manual P 254 75.369 102 0.37 62
IV.CRE.HHZ. 2022-01-31T07:55:20.90 0.3 undecidable manual P 153 79.1652 101 0.3 64
GU.GSCL.HHN. 2022-01-31T07:55:20.41 0.3 undecidable manual P 279 73.4709 102 0.67 57
IV.CRMI.HHZ. 2022-01-31T07:55:18.77 0.3 undecidable manual P 220 65.9895 104 0.15 67
GU.POPM.HHZ. 2022-01-31T07:55:18.10 0.3 undecidable manual P 249 63.8916 104 -0.2 67
IV.BRIS.HNZ. 2022-01-31T07:55:17.29 0.3 undecidable manual S 99 21.1677 134 0.8 60
IV.LMD.HHZ. 2022-01-31T07:55:17.28 0.3 undecidable manual S 141 25.5522 128 -0.09 73
IV.SEI.HHZ. 2022-01-31T07:55:16.76 0.3 undecidable manual S 207 25.1526 128 -0.53 67
IV.BRSN.EHZ. 2022-01-31T07:55:16.91 0.3 undecidable manual P 86 45.9207 111 1.26 47
IV.ASQU.HHZ. 2022-01-31T07:55:16.91 0.3 undecidable manual P 156 55.6998 107 -0.18 67
IV.ZCCA.HHZ. 2022-01-31T07:55:16.32 0.3 undecidable manual P 284 43.2234 112 1.05 51
IV.RUFI.EHZ. 2022-01-31T07:55:15.47 0.3 undecidable manual P 179 46.3203 111 -0.25 68
IV.SFI.EHZ. 2022-01-31T07:55:15.53 0.3 undecidable manual P 145 47.5191 110 -0.37 66
IV.MTRZ.HNZ. 2022-01-31T07:55:15.48 0.3 undecidable manual S 315 8.9799 157 0.86 57
IV.BOSL.HHZ. 2022-01-31T07:55:14.21 0.3 undecidable manual P 196 37.4292 116 -0.25 69
IV.FNVD.HHZ. 2022-01-31T07:55:13.12 0.3 undecidable manual P 252 31.8459 121 -0.58 65
IV.VISG.HHZ. 2022-01-31T07:55:13.48 0.3 undecidable manual S 217 9.1797 157 -1.17 53
IV.MOCL.EHZ. 2022-01-31T07:55:13.92 0.3 undecidable manual P 223 37.8288 116 -0.6 63
IV.SEI.HHZ. 2022-01-31T07:55:12.21 0.3 undecidable manual P 207 25.1526 128 -0.64 64
IV.BRIS.HNZ. 2022-01-31T07:55:12.27 0.1 undecidable manual P 99 21.1677 134 -0.12 97
IV.LMD.HHZ. 2022-01-31T07:55:12.40 0.3 undecidable manual P 141 25.5522 128 -0.5 66
IV.MTRZ.HNZ. 2022-01-31T07:55:11.19 0.1 undecidable manual P 315 8.9799 157 -0.12 100
IV.VISG.HHZ. 2022-01-31T07:55:10.43 0.3 undecidable manual P 217 9.1797 157 -0.89 59
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.VISG.HHE. ML:2.4 0.0016 0.34 AML other m 2022-01-31T07:55:13.79
IV.VISG.HHN. ML:2.6 0.0025800000000000003 0.16 AML other m 2022-01-31T07:55:14.47
IV.MTRZ.HHE. ML:3.2 0.010355 0.34 AML other m 2022-01-31T07:55:15.80
IV.MTRZ.HNE. ML:3.2 0.010035 0.34 AML other m 2022-01-31T07:55:15.80
IV.MTRZ.HNN. ML:3.2 0.010219999999999998 1.34 AML other m 2022-01-31T07:55:16.23
IV.MTRZ.HHN. ML:3.2 0.010395 1.34 AML other m 2022-01-31T07:55:16.23
IV.SEI.HHN. ML:3.2 0.006359999999999999 0.24 AML other m 2022-01-31T07:55:17.27
IV.BRIS.HHE. ML:2.4 0.00126 0.36 AML other m 2022-01-31T07:55:17.54
IV.BRIS.HHN. ML:2.8 0.00266 0.3 AML other m 2022-01-31T07:55:17.72
IV.BRIS.HNN. ML:3.1 0.00646 0.3 AML other m 2022-01-31T07:55:17.72
IV.BRIS.HNE. ML:2.8 0.0033799999999999998 0.3 AML other m 2022-01-31T07:55:17.77
IV.LMD.HHE. ML:2.7 0.00199 0.4 AML other m 2022-01-31T07:55:17.64
IV.LMD.HHN. ML:2.7 0.0023200000000000004 0.6 AML other m 2022-01-31T07:55:17.74
IV.SEI.HHE. ML:2.7 0.002125 0.28 AML other m 2022-01-31T07:55:19.12
IV.FNVD.HHE. ML:2.4 0.000882 0.72 AML other m 2022-01-31T07:55:19.59
IV.BOSL.HHN. ML:1.8 0.000178 1.18 AML other m 2022-01-31T07:55:21.80
IV.MOCL.EHE. ML:2.4 0.000747 0.34 AML other m 2022-01-31T07:55:21.41
IV.BOSL.HHE. ML:1.8 0.00021150000000000002 0.38 AML other m 2022-01-31T07:55:21.14
IV.MOCL.EHN. ML:2.1 0.0004185 0.26 AML other m 2022-01-31T07:55:21.29
IV.FNVD.HHN. ML:2.4 0.0009094999999999999 0.56 AML other m 2022-01-31T07:55:21.51
IV.SFI.HNN. ML:2.4 0.0006855 0.34 AML other m 2022-01-31T07:55:23.65
IV.SFI.EHN. ML:2.5 0.0007204999999999999 0.32 AML other m 2022-01-31T07:55:23.66
IV.RUFI.EHN. ML:2.1 0.000303 0.94 AML other m 2022-01-31T07:55:23.85
IV.RUFI.EHE. ML:2.1 0.00028799999999999995 0.54 AML other m 2022-01-31T07:55:24.33
IV.ASQU.HHE. ML:2.4 0.00045850000000000003 0.34 AML other m 2022-01-31T07:55:25.54
IV.SFI.HNE. ML:2.4 0.000661 0.4 AML other m 2022-01-31T07:55:25.55
IV.SFI.EHE. ML:2.4 0.000655 0.38 AML other m 2022-01-31T07:55:25.36
IV.ASQU.HHN. ML:2.4 0.000458 0.5 AML other m 2022-01-31T07:55:25.60
IV.ZCCA.HHE. ML:1.9 0.0002045 0.84 AML other m 2022-01-31T07:55:27.75
IV.ZCCA.HHN. ML:2.0 0.000264 0.42 AML other m 2022-01-31T07:55:27.46
IV.BRSN.EHE. ML:2.4 0.000601 0.24 AML other m 2022-01-31T07:55:27.56
IV.BRSN.HNE. ML:2.5 0.0008554999999999999 0.46 AML other m 2022-01-31T07:55:28.45
IV.CRMI.HHE. ML:1.7 0.00009154999999999999 0.32 AML other m 2022-01-31T07:55:28.49
IV.CRMI.HHN. ML:2.0 0.000191 0.46 AML other m 2022-01-31T07:55:28.56
IV.TEOL.HHE. ML:2.8 0.000492 1.66 AML other m 2022-01-31T07:55:29.12
IV.TEOL.HHN. ML:2.8 0.0003895 0.52 AML other m 2022-01-31T07:55:29.30
GU.POPM.HHE. ML:2.0 0.0001555 0.76 AML other m 2022-01-31T07:55:31.86
GU.POPM.HHN. ML:2.0 0.0001785 0.42 AML other m 2022-01-31T07:55:33.56
IV.BRSN.HNN. ML:2.4 0.0007355 0.74 AML other m 2022-01-31T07:55:34.40
IV.BDI.HHE. ML:2.0 0.000153 1.12 AML other m 2022-01-31T07:55:34.39
IV.BRSN.EHN. ML:2.4 0.0006985 0.44 AML other m 2022-01-31T07:55:35.41
IV.CRE.HHN. ML:2.3 0.00025550000000000003 0.3 AML other m 2022-01-31T07:55:35.32
IV.CSNT.HHE. ML:2.1 0.00013700000000000002 1.5 AML other m 2022-01-31T07:55:35.97
IV.CRE.HHE. ML:2.1 0.00016049999999999997 0.62 AML other m 2022-01-31T07:55:36.33
IV.BDI.HHN. ML:2.0 0.0001326 0.58 AML other m 2022-01-31T07:55:39.10
IV.PARC.HHE. ML:2.0 0.00010485 1.56 AML other m 2022-01-31T07:55:39.01
IV.CSNT.HHN. ML:2.0 0.000113 0.5 AML other m 2022-01-31T07:55:39.92
IV.CAFI.HNN. ML:2.2 0.000142 0.46 AML other m 2022-01-31T07:55:41.37
IV.PARC.HHN. ML:2.0 0.00010785 0.98 AML other m 2022-01-31T07:55:42.42
IV.CAFI.HNE. ML:2.2 0.00011949999999999999 0.54 AML other m 2022-01-31T07:55:44.66
IV.CAFI.HHN. ML:2.2 0.00013550000000000001 0.72 AML other m 2022-01-31T07:55:44.42
IV.CAFI.HHE. ML:2.2 0.0001215 1.24 AML other m 2022-01-31T07:55:44.32
IV.ATVO.HHE. ML:2.4 0.000174 1.28 AML other m 2022-01-31T07:55:47.65
IV.ZOVE.EHN. ML:2.5 0.000185 1.58 AML other m 2022-01-31T07:55:47.99
IV.ATPI.EHN. ML:2.2 0.000112 0.54 AML other m 2022-01-31T07:55:48.07
IV.ATVO.HHN. ML:2.2 0.000112 0.8 AML other m 2022-01-31T07:55:49.60
GU.GRAM.HHE. ML:2.4 0.0001705 0.96 AML other m 2022-01-31T07:55:53.49
IV.ATPI.EHE. ML:2.0 0.00008525 1.22 AML other m 2022-01-31T07:55:54.66
IV.MBAL.EHN. ML:2.4 0.00011645 0.48 AML other m 2022-01-31T07:55:55.56
IV.ROVR.HHE. ML:2.5 0.000145 1.1 AML other m 2022-01-31T07:55:55.78
IV.ROVR.HHN. ML:2.6 0.00018099999999999998 1.32 AML other m 2022-01-31T07:55:56.90
IV.MBAL.EHE. ML:2.5 0.00013289999999999998 1.06 AML other m 2022-01-31T07:55:58.00
IV.SALO.HHE. ML:2.6 0.000175 0.36 AML other m 2022-01-31T07:55:59.36
IV.SALO.HHN. ML:2.7 0.0001865 0.98 AML other m 2022-01-31T07:55:59.08
GU.GRAM.HHN. ML:2.5 0.00023799999999999998 0.62 AML other m 2022-01-31T07:56:00.54
SI.LUSI.HHE. ML:2.5 0.0001048 0.32 AML other m 2022-01-31T07:56:02.80
IV.MAGA.HHE. ML:3.1 0.000411 0.6 AML other m 2022-01-31T07:56:03.36
SI.LUSI.HHN. ML:2.9 0.00023799999999999998 0.3 AML other m 2022-01-31T07:56:04.18
IV.MAGA.HHN. ML:2.9 0.0002575 0.7 AML other m 2022-01-31T07:56:04.64
GU.GORR.HHN. ML:2.3 0.00007235 0.54 AML other m 2022-01-31T07:56:05.53
GU.GORR.HHE. ML:2.3 0.00007885 0.7 AML other m 2022-01-31T07:56:06.62
IV.CTI.HHE. ML:2.5 0.00009925 0.42 AML other m 2022-01-31T07:56:07.46
IV.CTI.HHN. ML:2.6 0.0001041 1.76 AML other m 2022-01-31T07:56:10.05
OX.DRE.HHN. ML:2.4 0.00003845 0.44 AML other m 2022-01-31T07:56:16.66
SI.ABSI.HHN. ML:2.5 0.0000482 0.52 AML other m 2022-01-31T07:56:30.35
SI.ABSI.HHE. ML:2.6 0.000059000000000000004 1.44 AML other m 2022-01-31T07:56:30.17
OX.DRE.HHE. ML:2.5 0.00004655 0.36 AML other m 2022-01-31T07:56:35.57
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