Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 19-03-2023 and time 19:02:20 (UTC) in region 3 km SW Zocca (MO)

A magnitude ML 1.5 earthquake occured in region: 3 km SW Zocca (MO), on

  • 19-03-2023 19:02:20 (UTC)
  • 19-03-2023 20:02:20 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.3220, 10.9830 at 33 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
Zocca MO 3 4719 4719
Castel d'Aiano BO 5 1906 6625
Montese MO 7 3353 9978
Vergato BO 11 7639 17617
Guiglia MO 12 3931 21548
Pavullo nel Frignano MO 12 17383 38931
Gaggio Montano BO 14 4878 43809
Marano sul Panaro MO 15 5060 48869
Grizzana Morandi BO 15 3916 52785
Vignola MO 18 25353 78138
Marzabotto BO 18 6779 84917
Savignano sul Panaro MO 18 9177 94094
Castel di Casio BO 18 3448 97542
Alto Reno Terme BO 19 6960 104502
Camugnano BO 19 1885 106387
Serramazzoni MO 19 8282 114669
Lizzano in Belvedere BO 19 2212 116881
Sestola MO 20 2508 119389
Fanano MO 20 2989 122378

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km SW of Bologna (386663 inhabitants)
36 Km S of Modena (184973 inhabitants)
44 Km N of Pistoia (90315 inhabitants)
50 Km N of Prato (191150 inhabitants)
50 Km SE of Reggio nell'Emilia (171345 inhabitants)
52 Km S of Carpi (70699 inhabitants)
58 Km W of Imola (69797 inhabitants)
65 Km N of Scandicci (50609 inhabitants)
65 Km NW of Firenze (382808 inhabitants)
66 Km NE of Lucca (89046 inhabitants)
72 Km W of Faenza (58541 inhabitants)
74 Km E of Massa (69479 inhabitants)
74 Km SE of Parma (192836 inhabitants)
76 Km E of Carrara (63133 inhabitants)
76 Km SW of Ferrara (133155 inhabitants)
77 Km NE of Viareggio (62467 inhabitants)
82 Km NE of Pisa (89158 inhabitants)
85 Km W of Forlì (117913 inhabitants)
95 Km E of La Spezia (93959 inhabitants)
97 Km W of Ravenna (159116 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 1.5 2023-03-19
19:02:20		 44.3225 10.9833 33 2024-03-01
17:18:11		 Bollettino Sismico Italiano INGV 118328331
Reviewed
Rev100 		ML 1.5 2023-03-19
19:02:20		 44.3247 10.9892 35 2023-03-19
19:10:37		 Sala Sismica INGV-Roma 115542501
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-19 19:02:20 ± 0.23
Latitude 44.3225 ± 0.0108
Longitude 10.9833 ± 0.0126
Depth (km) 33 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 118328331

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1087
Semi-minor axis of confidence ellipse (meter) 614
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 202
Circular confidence region, given by single value of horizontal uncertainty (meter) 1090.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 96
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 23
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.32
Epicentral distance of station closest to the epicenter (degree) 0.02878
Epicentral distance of station farthest from the epicenter (degree) 1.04861
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:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 118328331
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-06-12 06:50:45

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 115542501
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-03-19 19:10:37
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CRMI.HHE. 2023-03-19T19:02:40.26 0.6 undecidable manual S 180 58.497 115 0.31 43
IV.MSSA.HHZ. 2023-03-19T19:02:39.41 0.6 undecidable manual P 270 116.3946 54 -0.31 38
GU.CARD.HHE. 2023-03-19T19:02:38.41 0.3 undecidable manual S 231 51.7038 118 0.08 68
GU.SARM.EHZ. 2023-03-19T19:02:38.09 0.6 undecidable manual S 252 48.8178 119 0.45 42
IV.BDI.HHZ. 2023-03-19T19:02:36.07 0.3 undecidable manual S 227 42.2244 124 -0.08 70
IV.MOCL.EHZ. 2023-03-19T19:02:35.42 0.6 undecidable manual S 156 38.5281 126 0.07 47
IV.MPPT.EHZ. 2023-03-19T19:02:35.79 0.3 undecidable manual S 168 41.3253 124 -0.18 68
GU.POPM.HHZ. 2023-03-19T19:02:34.32 0.6 undecidable manual S 210 35.6421 129 -0.42 44
IV.CRMI.HHE. 2023-03-19T19:02:32.14 0.1 undecidable manual P 180 58.497 115 0.37 86
IV.VMGN.HHZ. 2023-03-19T19:02:32.83 0.6 undecidable manual P 133 59.7957 114 0.87 36
IV.FNVD.HHZ. 2023-03-19T19:02:31.03 0.3 undecidable manual S 147 20.4684 145 -0.91 57
IV.BOSL.HHE. 2023-03-19T19:02:31.07 0.6 undecidable manual P 144 53.4021 117 0 46
IV.ZCCA.HHZ. 2023-03-19T19:02:31.18 0.6 undecidable manual S 350 3.1968 174 0.87 37
IV.IMOL.HNZ. 2023-03-19T19:02:31.91 0.6 undecidable manual P 86 60.3951 114 -0.13 44
GU.CARD.HHE. 2023-03-19T19:02:30.42 0.1 undecidable manual P 231 51.7038 118 -0.41 85
GU.SARM.EHZ. 2023-03-19T19:02:30.82 0.1 undecidable manual P 252 48.8178 119 0.38 86
IV.MPPT.EHZ. 2023-03-19T19:02:29.48 0.1 undecidable manual P 168 41.3253 124 0.01 94
IV.BDI.HHZ. 2023-03-19T19:02:29.73 0.3 undecidable manual P 227 42.2244 124 0.15 69
IV.MOCL.EHZ. 2023-03-19T19:02:29.40 0.1 undecidable manual P 156 38.5281 126 0.28 90
GU.POPM.HHZ. 2023-03-19T19:02:28.60 0.1 undecidable manual P 210 35.6421 129 -0.16 93
GU.GSCL.HHN. 2023-03-19T19:02:27.91 0.3 undecidable manual P 276 31.5462 132 -0.37 67
IV.ZCCA.HHZ. 2023-03-19T19:02:26.23 0.1 negative manual P 350 3.1968 174 0.03 100
IV.FNVD.HHZ. 2023-03-19T19:02:26.84 0.1 negative manual P 147 20.4684 145 -0.3 92
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FNVD.HHN. ML:1.5 0.00011740000000000001 0.22 AML other m 2023-03-19T19:02:31.56
IV.ZCCA.HHN. ML:1.5 0.00013000000000000002 0.78 AML other m 2023-03-19T19:02:31.08
IV.FNVD.HHE. ML:1.7 0.0001995 0.26 AML other m 2023-03-19T19:02:31.53
IV.ZCCA.HHE. ML:1.9 0.00038500000000000003 0.32 AML other m 2023-03-19T19:02:31.53
GU.POPM.HHE. ML:1.3 0.0000537 0.2 AML other m 2023-03-19T19:02:34.98
GU.POPM.HHN. ML:1.0 0.000028749999999999997 1.52 AML other m 2023-03-19T19:02:35.90
IV.BDI.HNN. ML:1.7 0.00012045471499999998 0.9344 AML other m 2023-03-19T19:02:36.60
IV.BDI.HHE. ML:1.5 0.00007974999999999999 0.2 AML other m 2023-03-19T19:02:36.59
IV.BDI.HNE. ML:1.6 0.00009842949000000001 0.048 AML other m 2023-03-19T19:02:36.60
IV.BDI.HHN. ML:1.4 0.0000566 0.88 AML other m 2023-03-19T19:02:36.48
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