Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 02-01-2022 and time 06:59:39 (UTC) in region 8 km NW Castel del Rio (BO)

A magnitude ML 1.8 earthquake occured in region: 8 km NW Castel del Rio (BO), on

  • 02-01-2022 06:59:39 (UTC)
  • 02-01-2022 07:59:39 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.2510, 11.4260 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

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 8 1246 1246
Loiano BO 9 4294 5540
Monterenzio BO 9 6035 11575
Monghidoro BO 9 3749 15324
Fontanelice BO 11 1943 17267
Monzuno BO 13 6328 23595
Borgo Tossignano BO 13 3288 26883
Firenzuola FI 15 4726 31609
San Benedetto Val di Sambro BO 16 4315 35924
Casola Valsenio RA 16 2617 38541
Casalfiumanese BO 16 3438 41979
Pianoro BO 16 17460 59439
Palazzuolo sul Senio FI 18 1154 60593

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km W of Imola (69797 inhabitants)
28 Km S of Bologna (386663 inhabitants)
37 Km W of Faenza (58541 inhabitants)
49 Km NE of Prato (191150 inhabitants)
49 Km W of Forlì (117913 inhabitants)
54 Km NE of Pistoia (90315 inhabitants)
55 Km N of Firenze (382808 inhabitants)
58 Km NE of Scandicci (50609 inhabitants)
59 Km SE of Modena (184973 inhabitants)
64 Km W of Ravenna (159116 inhabitants)
66 Km W of Cesena (96758 inhabitants)
67 Km S of Ferrara (133155 inhabitants)
73 Km SE of Carpi (70699 inhabitants)
80 Km SE of Reggio nell'Emilia (171345 inhabitants)
87 Km NE of Lucca (89046 inhabitants)
93 Km W of Rimini (147750 inhabitants)
95 Km NW of Arezzo (99543 inhabitants)
96 Km SW 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 1.8 2022-01-02
06:59:39		 44.2513 11.4262 24 2022-07-08
12:33:23		 Bollettino Sismico Italiano INGV 99912291
Reviewed
Rev100 		ML 1.8 2022-01-02
06:59:39		 44.2713 11.4043 20 2022-01-02
07:32:19		 Sala Sismica INGV-Roma 99239551
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-01-02 06:59:39 ± 0.25
Latitude 44.2513 ± 0.0099
Longitude 11.4262 ± 0.0138
Depth (km) 24 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 99912291

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 989
Semi-minor axis of confidence ellipse (meter) 839
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 145
Circular confidence region, given by single value of horizontal uncertainty (meter) 990.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 110
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.43
Epicentral distance of station closest to the epicenter (degree) 0.06115
Epicentral distance of station farthest from the epicenter (degree) 0.55758
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 99239551
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-01-02 07:32:19

ML:1.8

Field Value
Value 1.8
Uncertainty 0.4
Num. used stations 18
Type of magnitude ML
Reference to an origin 99912291
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-01-18 16:44:52
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MPPT.EHE. 2022-01-02T06:59:54.19 0.3 undecidable manual S 219 42.2244 112 0.19 70
IV.BOSL.HHZ. 2022-01-02T06:59:53.12 0.3 undecidable manual S 187 35.8419 117 0.68 62
IV.MOCL.EHZ. 2022-01-02T06:59:52.19 0.1 undecidable manual S 216 33.6441 119 0.26 94
IV.BRIS.HHZ. 2022-01-02T06:59:51.05 0.3 undecidable manual S 96 27.2505 125 0.58 68
IV.CRMI.HHZ. 2022-01-02T06:59:51.33 0.1 undecidable manual P 215 61.8936 104 0.54 83
IV.ASQU.HHE. 2022-01-02T06:59:50.57 0.1 undecidable manual P 150 58.1973 106 0.33 89
IV.IMOL.EHZ. 2022-01-02T06:59:50.84 0.3 undecidable manual S 64 27.8499 124 0.23 73
IV.FNVD.HHZ. 2022-01-02T06:59:50.80 0.1 undecidable manual S 249 25.8519 127 0.62 86
IV.SEI.HHZ. 2022-01-02T06:59:49.38 0.3 undecidable manual S 194 22.5552 131 -0.11 75
IV.SFI.EHZ. 2022-01-02T06:59:48.99 0.1 undecidable manual P 139 51.0156 108 -0.19 93
IV.RUFI.EHZ. 2022-01-02T06:59:48.65 0.1 undecidable manual P 172 46.3203 110 0.15 94
IV.MTRZ.HHZ. 2022-01-02T06:59:47.72 0.1 undecidable manual S 359 6.7932 162 0.6 92
IV.MPPT.EHE. 2022-01-02T06:59:47.86 0.1 undecidable manual P 219 42.2244 112 -0.05 98
IV.MOCL.EHZ. 2022-01-02T06:59:46.48 0.1 undecidable manual P 216 33.6441 119 -0.23 96
IV.VISG.HHZ. 2022-01-02T06:59:46.36 0.1 undecidable manual S 175 6.993 162 -0.77 83
IV.BOSL.HHZ. 2022-01-02T06:59:46.97 0.1 undecidable manual P 187 35.8419 117 -0.04 99
IV.BRIS.HHZ. 2022-01-02T06:59:45.60 0.1 undecidable manual P 96 27.2505 125 -0.27 95
IV.IMOL.EHZ. 2022-01-02T06:59:45.92 0.1 undecidable manual P 64 27.8499 124 -0.03 99
IV.SEI.HHZ. 2022-01-02T06:59:44.84 0.1 undecidable manual P 194 22.5552 131 -0.46 93
IV.FNVD.HHZ. 2022-01-02T06:59:44.94 0.1 undecidable manual P 249 25.8519 127 -0.76 83
IV.VISG.HHZ. 2022-01-02T06:59:43.20 0.1 undecidable manual P 175 6.993 162 -0.74 85
IV.MTRZ.HHZ. 2022-01-02T06:59:43.74 0.1 undecidable manual P 359 6.7932 162 -0.2 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.VISG.HHE. ML:2.1 0.0008235 0.32 AML other m 2022-01-02T06:59:46.40
IV.VISG.HHN. ML:2.0 0.0007295 0.08 AML other m 2022-01-02T06:59:46.52
IV.MTRZ.HHE. ML:2.1 0.000815 0.2 AML other m 2022-01-02T06:59:48.53
IV.MTRZ.HNE. ML:2.1 0.0007815 0.2 AML other m 2022-01-02T06:59:48.63
IV.MTRZ.HNN. ML:2.4 0.0015499999999999997 0.22 AML other m 2022-01-02T06:59:48.97
IV.MTRZ.HHN. ML:2.4 0.001595 0.22 AML other m 2022-01-02T06:59:48.97
IV.SEI.HHN. ML:2.6 0.001695 0.18 AML other m 2022-01-02T06:59:49.81
IV.SEI.HHE. ML:2.3 0.00103 1.62 AML other m 2022-01-02T06:59:49.04
IV.BRIS.HHN. ML:1.7 0.00019800000000000002 0.44 AML other m 2022-01-02T06:59:51.18
IV.BRIS.HHE. ML:1.9 0.0003115 0.5 AML other m 2022-01-02T06:59:51.40
IV.FNVD.HHN. ML:1.6 0.0001815 0.54 AML other m 2022-01-02T06:59:51.14
IV.FNVD.HHE. ML:1.5 0.000132294795 1.2192 AML other m 2022-01-02T06:59:52.74
IV.MOCL.EHE. ML:1.6 0.00013505 0.74 AML other m 2022-01-02T06:59:53.43
IV.MOCL.EHN. ML:1.6 0.00012855 0.74 AML other m 2022-01-02T06:59:53.19
IV.BOSL.HHN. ML:1.0 0.0000349 0.6 AML other m 2022-01-02T06:59:53.45
IV.BOSL.HHE. ML:1.0 0.00003505 0.5 AML other m 2022-01-02T06:59:53.83
IV.SFI.EHN. ML:1.2 0.00004027217 0.56 AML other m 2022-01-02T06:59:57.06
IV.SFI.EHE. ML:1.4 0.000052581995 0.32 AML other m 2022-01-02T06:59:59.43
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