Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 30-12-2022 and time 23:47:28 (Italy) in region 5 km NE Castel d'Aiano (BO)

A magnitude ML 1.9 earthquake occured in region: 5 km NE Castel d'Aiano (BO), on

  • 30-12-2022 22:47:28 (UTC)
  • 30-12-2022 23:47:28 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.3130, 11.0460 at 19 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 d'Aiano BO 5 1906 1906
Zocca MO 5 4719 6625
Vergato BO 6 7639 14264
Montese MO 10 3353 17617
Grizzana Morandi BO 11 3916 21533
Marzabotto BO 13 6779 28312
Guiglia MO 15 3931 32243
Gaggio Montano BO 15 4878 37121
Camugnano BO 16 1885 39006
Castel di Casio BO 17 3448 42454
Pavullo nel Frignano MO 17 17383 59837
Marano sul Panaro MO 17 5060 64897
Alto Reno Terme BO 18 6960 71857
Sasso Marconi BO 18 14735 86592
San Benedetto Val di Sambro BO 18 4315 90907
Monzuno BO 18 6328 97235
Savignano sul Panaro MO 19 9177 106412
Vignola MO 19 25353 131765

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km SW of Bologna (386663 inhabitants)
38 Km S of Modena (184973 inhabitants)
43 Km N of Pistoia (90315 inhabitants)
48 Km N of Prato (191150 inhabitants)
53 Km W of Imola (69797 inhabitants)
54 Km S of Carpi (70699 inhabitants)
54 Km SE of Reggio nell'Emilia (171345 inhabitants)
63 Km N of Scandicci (50609 inhabitants)
63 Km N of Firenze (382808 inhabitants)
67 Km W of Faenza (58541 inhabitants)
68 Km NE of Lucca (89046 inhabitants)
74 Km SW of Ferrara (133155 inhabitants)
78 Km E of Massa (69479 inhabitants)
79 Km SE of Parma (192836 inhabitants)
80 Km W of Forlì (117913 inhabitants)
80 Km E of Carrara (63133 inhabitants)
81 Km NE of Viareggio (62467 inhabitants)
84 Km NE of Pisa (89158 inhabitants)
93 Km W of Ravenna (159116 inhabitants)
97 Km W of Cesena (96758 inhabitants)
100 Km E of La Spezia (93959 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 1.9 2022-12-30
22:47:28		 44.3127 11.0462 19 2024-03-01
15:28:26		 Bollettino Sismico Italiano INGV 118454731
Reviewed
Rev100 		ML 1.9 2022-12-30
22:47:29		 44.2972 11.0472 19 2022-12-30
22:54:53		 Sala Sismica INGV-Roma 113200131
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-12-30 22:47:28 ± 0.1
Latitude 44.3127 ± 0.0063
Longitude 11.0462 ± 0.0075
Depth (km) 19 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 118454731

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 733
Semi-minor axis of confidence ellipse (meter) 174
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 20
Circular confidence region, given by single value of horizontal uncertainty (meter) 730.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 75
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 28
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.06295
Epicentral distance of station farthest from the epicenter (degree) 1.64756
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 21
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 22
Type of magnitude ML
Reference to an origin 113200131
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-12-30 22:54:53

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 22
Type of magnitude ML
Reference to an origin 118454731
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-06-16 14:36:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
SI.LUSI.HHZ. 2022-12-30T22:47:57.83 0.3 undecidable manual P 358 182.8836 54 0.35 47
IV.CAFI.HHZ. 2022-12-30T22:47:50.89 0.3 undecidable manual P 146 131.6682 94 0.29 58
IV.ZOVE.EHZ. 2022-12-30T22:47:49.64 0.3 undecidable manual P 15 131.2686 94 -0.9 47
GU.SARM.EHN. 2022-12-30T22:47:45.81 0.6 undecidable manual S 255 53.2023 102 0.07 48
IV.BDI.HHZ. 2022-12-30T22:47:43.95 0.6 undecidable manual S 232 45.3213 104 0.27 46
IV.SEI.HHZ. 2022-12-30T22:47:42.21 0.6 undecidable manual S 139 37.9287 108 0.43 45
IV.PII.HHZ. 2022-12-30T22:47:42.59 0.3 undecidable manual P 213 77.6667 97 0.28 65
IV.MOCL.EHN. 2022-12-30T22:47:41.28 0.6 undecidable manual S 163 35.742 109 0.04 49
GU.GSCL.HHZ. 2022-12-30T22:47:41.36 0.6 undecidable manual S 277 36.6411 108 -0.09 49
GU.MAIM.HHZ. 2022-12-30T22:47:40.21 0.3 undecidable manual P 225 62.5929 99 0.19 68
IV.RUFI.EHE. 2022-12-30T22:47:40.35 0.3 undecidable manual P 145 64.2912 99 0.07 70
IV.LMD.HHZ. 2022-12-30T22:47:39.14 0.3 undecidable manual P 116 58.6968 100 -0.29 67
IV.CRMI.HNE. 2022-12-30T22:47:39.66 0.3 undecidable manual P 185 57.5979 100 0.39 66
GU.CARD.HHZ. 2022-12-30T22:47:38.54 0.3 undecidable manual P 235 55.0005 101 -0.33 67
GU.SARM.EHN. 2022-12-30T22:47:38.63 0.3 undecidable manual P 255 53.2023 102 0.03 72
IV.ERBM.EHZ. 2022-12-30T22:47:38.91 0.3 undecidable manual P 283 51.6039 102 0.55 64
IV.VMGN.HHN. 2022-12-30T22:47:38.89 0.1 undecidable manual P 136 55.5 101 -0.05 94
IV.BDI.HHZ. 2022-12-30T22:47:37.11 0.3 undecidable manual P 232 45.3213 104 -0.31 68
IV.SEI.HHZ. 2022-12-30T22:47:36.08 0.1 undecidable manual P 139 37.9287 108 -0.24 94
IV.FNVD.HHZ. 2022-12-30T22:47:36.97 0.6 undecidable manual S 159 17.1717 131 0.07 50
IV.MPPT.EHZ. 2022-12-30T22:47:36.17 0.3 undecidable manual P 175 39.5271 107 -0.39 68
IV.MODE.HNN. 2022-12-30T22:47:36.10 0.3 undecidable manual P 348 36.0417 109 0.06 73
GU.GSCL.HHZ. 2022-12-30T22:47:35.85 0.3 undecidable manual P 277 36.6411 108 -0.27 70
IV.MOCL.EHN. 2022-12-30T22:47:35.65 0.3 undecidable manual P 163 35.742 109 -0.36 69
IV.ZCCA.HHZ. 2022-12-30T22:47:35.94 0.6 undecidable manual S 307 6.993 157 0.66 43
IV.MTRZ.HHZ. 2022-12-30T22:47:35.86 0.1 undecidable manual P 90 30.0477 114 0.68 84
IV.FNVD.HHZ. 2022-12-30T22:47:33.13 0.1 positive manual P 159 17.1717 131 -0.36 95
IV.ZCCA.HHZ. 2022-12-30T22:47:32.34 0.1 positive manual P 307 6.993 157 -0.22 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ZCCA.HHN. ML:2.1 0.0009585 1.66 AML other m 2022-12-30T22:47:36.00
IV.ZCCA.HNN. ML:2.0 0.0009405 0.84 AML other m 2022-12-30T22:47:36.84
IV.ZCCA.HHE. ML:2.0 0.0008765000000000001 0.36 AML other m 2022-12-30T22:47:37.21
IV.ZCCA.HNE. ML:2.0 0.0008755 1.32 AML other m 2022-12-30T22:47:37.22
IV.FNVD.HHE. ML:2.4 0.00143 0.16 AML other m 2022-12-30T22:47:37.61
IV.FNVD.HHN. ML:2.5 0.001875 0.08 AML other m 2022-12-30T22:47:37.66
GU.GSCL.HHE. ML:1.7 0.00016649999999999998 0.22 AML other m 2022-12-30T22:47:43.90
GU.GSCL.HHN. ML:1.8 0.00022849999999999997 1.76 AML other m 2022-12-30T22:47:43.02
IV.MPPT.EHE. ML:1.3 0.00006135 0.66 AML other m 2022-12-30T22:47:44.32
IV.BDI.HHN. ML:2.0 0.00026250000000000004 0.36 AML other m 2022-12-30T22:47:44.53
IV.MPPT.EHN. ML:1.2 0.00005655 0.78 AML other m 2022-12-30T22:47:44.83
IV.MTRZ.HNN. ML:2.5 0.001206 1.38 AML other m 2022-12-30T22:47:44.76
IV.MTRZ.HNE. ML:2.3 0.0007515 1.34 AML other m 2022-12-30T22:47:44.78
IV.BDI.HHE. ML:1.9 0.00021349999999999999 0.4 AML other m 2022-12-30T22:47:45.05
IV.MTRZ.HHN. ML:1.8 0.00028300000000000005 1.02 AML other m 2022-12-30T22:47:45.31
IV.MTRZ.HHE. ML:1.8 0.000229 0.84 AML other m 2022-12-30T22:47:45.10
IV.SEI.HHE. ML:2.0 0.0003505 0.28 AML other m 2022-12-30T22:47:45.41
IV.SEI.HHN. ML:2.1 0.00040449999999999997 0.58 AML other m 2022-12-30T22:47:46.18
IV.LMD.HHE. ML:1.3 0.00004105 0.5 AML other m 2022-12-30T22:47:54.69
IV.LMD.HHN. ML:1.3 0.00004165 0.42 AML other m 2022-12-30T22:47:55.69
IV.PII.HHE. ML:1.8 0.0000797 1.76 AML other m 2022-12-30T22:47:55.04
IV.PII.HHN. ML:1.8 0.0000908 1.74 AML other m 2022-12-30T22:47:56.92
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