Earthquake with magnitude of ML 1.2 on date 21-05-2023 and time 11:36:47 (Italy) in region 2 km NW Lizzano in Belvedere (BO)

A magnitude ML 1.2 earthquake occured in region: 2 km NW Lizzano in Belvedere (BO), on

  • 21-05-2023 09:36:47 (UTC)
  • 21-05-2023 11:36:47 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.1790, 10.8780 at 17 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Lizzano in Belvedere BO 2 2212 2212
Gaggio Montano BO 5 4878 7090
Fanano MO 7 2989 10079
Alto Reno Terme BO 8 6960 17039
Sestola MO 10 2508 19547
Montese MO 11 3353 22900
Castel di Casio BO 13 3448 26348
Sambuca Pistoiese PT 13 1626 27974
Cutigliano PT 13 1488 29462
Montecreto MO 15 940 30402
Castel d'Aiano BO 15 1906 32308
San Marcello Pistoiese PT 15 6416 38724
Camugnano BO 17 1885 40609
Abetone PT 17 621 41230
Pavullo nel Frignano MO 18 17383 58613
Fiumalbo MO 18 1280 59893
Lama Mocogno MO 19 2734 62627
Riolunato MO 19 712 63339
Piteglio PT 19 1683 65022

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km N of Pistoia (90315 inhabitants)
38 Km NW of Prato (191150 inhabitants)
48 Km NE of Lucca (89046 inhabitants)
51 Km SW of Bologna (386663 inhabitants)
52 Km S of Modena (184973 inhabitants)
53 Km NW of Scandicci (50609 inhabitants)
55 Km NW of Firenze (382808 inhabitants)
61 Km E of Massa (69479 inhabitants)
61 Km NE of Viareggio (62467 inhabitants)
61 Km SE of Reggio nell'Emilia (171345 inhabitants)
63 Km E of Carrara (63133 inhabitants)
64 Km NE of Pisa (89158 inhabitants)
67 Km S of Carpi (70699 inhabitants)
69 Km W of Imola (69797 inhabitants)
81 Km W of Faenza (58541 inhabitants)
82 Km SE of Parma (192836 inhabitants)
83 Km NE of Livorno (159219 inhabitants)
84 Km E of La Spezia (93959 inhabitants)
93 Km W of Forlì (117913 inhabitants)
94 Km SW of Ferrara (133155 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
Reviewed
Rev100
ML 1.2 2023-05-21
09:36:47
44.1793 10.878 17 2023-05-21
09:47:16
Sala Sismica INGV-Roma 117548471
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-21 09:36:47 ± 0.14
Latitude 44.1793 ± 0.0063
Longitude 10.8780 ± 0.0075
Depth (km) 17 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 117548471

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 657
Semi-minor axis of confidence ellipse (meter) 339
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 7
Circular confidence region, given by single value of horizontal uncertainty (meter) 660.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 72
Number of associated phases, regardless of their use for origin computation 35
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.39031
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 11
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.1
Num. used stations 6
Type of magnitude ML
Reference to an origin 117548471
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-21 09:47:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.RRL.HHZ. 2023-05-21T09:38:26.74 3.0 undecidable manual Sg 10.58 0
RD.PGF.BHZ. 2023-05-21T09:37:58.14 3.0 undecidable manual Sg 4.48 0
GU.RORO.HHZ. 2023-05-21T09:37:54.42 3.0 undecidable manual Sg 2.49 0
IV.CESX.HHZ. 2023-05-21T09:37:51.40 3.0 undecidable manual Sg 3.1 0
IV.PTCC.HHZ. 2023-05-21T09:37:43.07 3.0 undecidable manual Pg 9.93 0
IV.FOSV.EHZ. 2023-05-21T09:37:37.67 3.0 undecidable manual Sn -1.09 0
MN.TRI.HHZ. 2023-05-21T09:37:35.05 3.0 undecidable manual Pg 5.89 0
OX.MARN.HHZ. 2023-05-21T09:37:32.99 3.0 undecidable manual Sn -3.85 0
IT.RMMM.HGZ. 2023-05-21T09:37:25.46 3.0 undecidable manual Pn -3.44 0
GU.IMI.HHZ. 2023-05-21T09:37:25.89 3.0 negative manual Pn 0.4 0
OX.VARN.HHZ. 2023-05-21T09:37:18.01 3.0 undecidable manual Pn -4.06 0
IV.NARO.HHZ. 2023-05-21T09:37:13.54 3.0 undecidable manual P 1.17 0
IV.CRMI.HNE. 2023-05-21T09:37:02.19 0.6 undecidable manual S 169 43.3233 101 0.58 41
IV.OSSC.HHZ. 2023-05-21T09:37:00.01 3.0 undecidable manual P -1.76 0
GU.SARM.EHZ. 2023-05-21T09:37:00.23 0.3 undecidable manual S 271 37.9287 103 0.02 73
MN.VLC.HHZ. 2023-05-21T09:37:00.74 0.3 undecidable manual S 267 39.1275 102 0.21 70
GU.CARD.HHZ. 2023-05-21T09:36:59.54 0.6 undecidable manual S 242 35.8419 104 -0.12 48
IV.MOCL.EHZ. 2023-05-21T09:36:58.49 0.6 undecidable manual S 129 30.9468 107 0.09 48
GU.GSCL.HHZ. 2023-05-21T09:36:57.91 0.6 undecidable manual S 310 29.8479 108 -0.21 47
IV.MPPT.EHZ. 2023-05-21T09:36:57.59 0.3 undecidable manual S 145 29.8479 108 -0.53 67
IV.BDI.HHZ. 2023-05-21T09:36:57.11 0.3 undecidable manual S 240 25.9518 111 -0.03 74
IV.CRMI.HNE. 2023-05-21T09:36:56.03 0.1 undecidable manual P 169 43.3233 101 0.4 88
IV.ZCCA.HHZ. 2023-05-21T09:36:56.94 0.6 undecidable manual S 22 20.5683 119 1.1 36
IV.FNVD.HHZ. 2023-05-21T09:36:55.51 0.6 undecidable manual S 94 19.5693 120 -0.08 49
GU.POPM.HHZ. 2023-05-21T09:36:55.48 0.3 undecidable manual S 213 17.7711 124 0.29 71
GU.CARD.HHZ. 2023-05-21T09:36:54.60 0.3 undecidable manual P 242 35.8419 104 0.1 71
IV.MOCL.EHZ. 2023-05-21T09:36:54.16 0.1 undecidable manual P 129 30.9468 107 0.39 91
GU.SARM.EHZ. 2023-05-21T09:36:54.68 0.1 undecidable manual P 271 37.9287 103 -0.14 95
MN.VLC.HHZ. 2023-05-21T09:36:54.69 0.3 undecidable manual P 267 39.1275 102 -0.31 69
GU.GSCL.HHZ. 2023-05-21T09:36:53.32 0.1 undecidable manual P 310 29.8479 108 -0.29 93
IV.MPPT.EHZ. 2023-05-21T09:36:53.64 0.1 undecidable manual P 145 29.8479 108 0.03 98
IV.BDI.HHZ. 2023-05-21T09:36:52.96 0.1 undecidable manual P 240 25.9518 111 -0.08 99
IV.ZCCA.HHZ. 2023-05-21T09:36:52.31 0.1 positive manual P 22 20.5683 119 0.01 100
IV.FNVD.HHZ. 2023-05-21T09:36:51.43 0.1 undecidable manual P 94 19.5693 120 -0.72 83
GU.POPM.HHZ. 2023-05-21T09:36:51.96 0.1 undecidable manual P 213 17.7711 124 0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ZCCA.HHN. ML:1.0 0.0000552 0.68 AML other m 2023-05-21T09:36:53.37
GU.POPM.HHN. ML:1.2 0.00011344999999999999 1.24 AML other m 2023-05-21T09:36:56.66
GU.POPM.HHE. ML:1.3 0.00011835000000000002 1.24 AML other m 2023-05-21T09:36:56.70
IV.ZCCA.HHE. ML:1.2 0.00009325 1.6 AML other m 2023-05-21T09:36:57.91
GU.CARD.HHN. ML:1.0 0.000035799999999999996 0.62 AML other m 2023-05-21T09:37:01.36
GU.CARD.HHE. ML:1.2 0.00006535 0.08 AML other m 2023-05-21T09:37:01.42
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