Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 29-01-2022 and time 09:17:42 (Italy) in region 4 km NW Castel del Rio (BO)

A magnitude ML 1.6 earthquake occured in region: 4 km NW Castel del Rio (BO), on

  • 29-01-2022 08:17:42 (UTC)
  • 29-01-2022 09:17:42 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.2460, 11.4860 at 22 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 4 1246 1246
Fontanelice BO 6 1943 3189
Borgo Tossignano BO 9 3288 6477
Monterenzio BO 11 6035 12512
Casola Valsenio RA 11 2617 15129
Casalfiumanese BO 12 3438 18567
Loiano BO 13 4294 22861
Monghidoro BO 14 3749 26610
Palazzuolo sul Senio FI 16 1154 27764
Firenzuola FI 17 4726 32490
Dozza BO 17 6652 39142
Monzuno BO 17 6328 45470
Castel San Pietro Terme BO 19 20811 66281
Pianoro BO 19 17460 83741
Riolo Terme RA 19 5720 89461

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km SW of Imola (69797 inhabitants)
30 Km SE of Bologna (386663 inhabitants)
32 Km W of Faenza (58541 inhabitants)
44 Km W of Forlì (117913 inhabitants)
51 Km NE of Prato (191150 inhabitants)
56 Km NE of Firenze (382808 inhabitants)
57 Km NE of Pistoia (90315 inhabitants)
59 Km NE of Scandicci (50609 inhabitants)
60 Km W of Ravenna (159116 inhabitants)
62 Km W of Cesena (96758 inhabitants)
63 Km SE of Modena (184973 inhabitants)
67 Km S of Ferrara (133155 inhabitants)
76 Km SE of Carpi (70699 inhabitants)
84 Km SE of Reggio nell'Emilia (171345 inhabitants)
89 Km W of Rimini (147750 inhabitants)
90 Km E of Lucca (89046 inhabitants)
92 Km NW of Arezzo (99543 inhabitants)
95 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 1.6 2022-01-29
08:17:42		 44.2463 11.4863 22 2022-07-08
12:33:27		 Bollettino Sismico Italiano INGV 100808791
Reviewed
Rev100 		ML 1.5 2022-01-29
08:17:41		 44.2587 11.4728 23 2022-01-29
08:25:09		 Sala Sismica INGV-Roma 100314001
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-01-29 08:17:42 ± 0.18
Latitude 44.2463 ± 0.0063
Longitude 11.4863 ± 0.0063
Depth (km) 22 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 100808791

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 679
Semi-minor axis of confidence ellipse (meter) 329
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 198
Circular confidence region, given by single value of horizontal uncertainty (meter) 680.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 130
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 27
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.06835
Epicentral distance of station farthest from the epicenter (degree) 0.57916
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 100808791
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-04-11 15:36:26

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 100314001
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-01-29 08:25:09
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CRMI.HNZ. 2022-01-29T08:18:02.39 0.3 undecidable manual S 219 64.2912 102 0.29 65
IV.ASQU.HHZ. 2022-01-29T08:17:59.95 0.3 undecidable manual S 154 55.4001 104 0.16 68
IV.SFI.HNZ. 2022-01-29T08:17:58.02 0.3 undecidable manual S 143 47.5191 107 0.26 67
IV.MPPT.EHZ. 2022-01-29T08:17:57.43 0.6 undecidable manual S 225 44.9217 108 0.33 45
IV.RUFI.EHZ. 2022-01-29T08:17:57.46 0.3 undecidable manual S 178 45.3213 108 0.27 68
IV.CRMI.HNZ. 2022-01-29T08:17:54.23 0.6 undecidable manual P 219 64.2912 102 0.54 41
IV.MOCL.EHZ. 2022-01-29T08:17:54.82 0.3 undecidable manual S 222 36.1416 113 -0.08 71
IV.BOSL.HHZ. 2022-01-29T08:17:54.96 0.3 undecidable manual S 194 36.1416 113 0.08 72
IV.FNVD.HHZ. 2022-01-29T08:17:53.63 0.3 undecidable manual S 253 30.1476 118 0.17 72
IV.ASQU.HHZ. 2022-01-29T08:17:52.34 0.1 undecidable manual P 154 55.4001 104 -0.01 93
IV.LMD.HHZ. 2022-01-29T08:17:52.45 0.3 undecidable manual S 137 25.6521 123 0.03 73
IV.BRIS.HHZ. 2022-01-29T08:17:52.18 0.3 undecidable manual S 96 22.3554 127 0.47 67
IV.SFI.HNZ. 2022-01-29T08:17:51.05 0.1 undecidable manual P 143 47.5191 107 -0.13 93
IV.SEI.HHZ. 2022-01-29T08:17:51.94 0.3 undecidable manual S 206 23.5542 126 -0.03 73
IV.ZCCA.HNZ. 2022-01-29T08:17:50.98 0.1 undecidable manual P 286 42.1245 109 0.6 83
IV.MPPT.EHZ. 2022-01-29T08:17:50.67 0.3 undecidable manual P 225 44.9217 108 -0.13 70
IV.RUFI.EHZ. 2022-01-29T08:17:50.79 0.1 undecidable manual P 178 45.3213 108 -0.06 94
IV.MOCL.EHZ. 2022-01-29T08:17:49.40 0.3 undecidable manual P 222 36.1416 113 -0.13 71
IV.BOSL.HHZ. 2022-01-29T08:17:49.35 0.3 undecidable manual P 194 36.1416 113 -0.17 70
IV.MTRZ.HHZ. 2022-01-29T08:17:49.80 0.3 undecidable manual S 326 8.88 155 0.41 71
IV.VISG.HHZ. 2022-01-29T08:17:48.89 0.3 undecidable manual S 213 7.5813 158 -0.37 70
IV.FNVD.HHZ. 2022-01-29T08:17:48.29 0.3 undecidable manual P 253 30.1476 118 -0.41 67
IV.SEI.HHZ. 2022-01-29T08:17:47.35 0.3 undecidable manual P 206 23.5542 126 -0.48 67
IV.BRIS.HHZ. 2022-01-29T08:17:47.56 0.1 positive manual P 96 22.3554 127 -0.12 97
IV.LMD.HHZ. 2022-01-29T08:17:47.61 0.3 undecidable manual P 137 25.6521 123 -0.49 67
IV.MTRZ.HHZ. 2022-01-29T08:17:46.44 0.1 negative manual P 326 8.88 155 0.09 100
IV.VISG.HHZ. 2022-01-29T08:17:45.72 0.1 undecidable manual P 213 7.5813 158 -0.55 89
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.VISG.HHE. ML:1.5 0.0002095 1.68 AML other m 2022-01-29T08:17:48.91
IV.VISG.HHN. ML:1.6 0.00025550000000000003 0.2 AML other m 2022-01-29T08:17:49.09
IV.MTRZ.HHE. ML:1.9 0.000515 1.68 AML other m 2022-01-29T08:17:51.98
IV.MTRZ.HNE. ML:1.9 0.0005639999999999999 0.52 AML other m 2022-01-29T08:17:51.15
IV.MTRZ.HHN. ML:1.9 0.0005825 0.74 AML other m 2022-01-29T08:17:51.41
IV.MTRZ.HNN. ML:2.0 0.000653 0.76 AML other m 2022-01-29T08:17:51.42
IV.SEI.HHE. ML:1.5 0.00016 0.5 AML other m 2022-01-29T08:17:52.19
IV.SEI.HHN. ML:2.0 0.000501 0.22 AML other m 2022-01-29T08:17:52.45
IV.BRIS.HHN. ML:1.4 0.0001225 0.28 AML other m 2022-01-29T08:17:52.78
IV.LMD.HHE. ML:1.4 0.00011999999999999999 1.6 AML other m 2022-01-29T08:17:52.83
IV.BRIS.HHE. ML:1.3 0.00009815 0.16 AML other m 2022-01-29T08:17:52.75
IV.LMD.HHN. ML:1.5 0.000129 0.26 AML other m 2022-01-29T08:17:52.93
IV.FNVD.HHE. ML:1.2 0.00006445 1.16 AML other m 2022-01-29T08:17:54.93
IV.FNVD.HHN. ML:1.2 0.00006890000000000001 1.12 AML other m 2022-01-29T08:17:54.80
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