Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.3 on date 07-09-2021 and time 02:45:20 (UTC) in region 5 km SW Lizzano in Belvedere (BO)

A magnitude ML 2.3 earthquake occured in region: 5 km SW Lizzano in Belvedere (BO), on

  • 07-09-2021 02:45:20 (UTC)
  • 07-09-2021 04:45:20 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.1230, 10.8560 at 13 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
Lizzano in Belvedere BO 5 2212 2212
Cutigliano PT 8 1488 3700
San Marcello Pistoiese PT 9 6416 10116
Alto Reno Terme BO 10 6960 17076
Fanano MO 11 2989 20065
Gaggio Montano BO 11 4878 24943
Sambuca Pistoiese PT 12 1626 26569
Piteglio PT 13 1683 28252
Sestola MO 14 2508 30760
Castel di Casio BO 15 3448 34208
Abetone PT 15 621 34829
Montese MO 18 3353 38182
Fiumalbo MO 18 1280 39462
Montecreto MO 18 940 40402
Camugnano BO 19 1885 42287

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km N of Pistoia (90315 inhabitants)
33 Km NW of Prato (191150 inhabitants)
42 Km NE of Lucca (89046 inhabitants)
48 Km NW of Scandicci (50609 inhabitants)
51 Km NW of Firenze (382808 inhabitants)
56 Km NE of Viareggio (62467 inhabitants)
57 Km SW of Bologna (386663 inhabitants)
58 Km E of Massa (69479 inhabitants)
58 Km NE of Pisa (89158 inhabitants)
59 Km S of Modena (184973 inhabitants)
61 Km E of Carrara (63133 inhabitants)
66 Km S of Reggio nell'Emilia (171345 inhabitants)
73 Km W of Imola (69797 inhabitants)
74 Km S of Carpi (70699 inhabitants)
77 Km NE of Livorno (159219 inhabitants)
82 Km E of La Spezia (93959 inhabitants)
84 Km W of Faenza (58541 inhabitants)
86 Km SE of Parma (192836 inhabitants)
95 Km W of Forlì (117913 inhabitants)
97 Km NW of Siena (53903 inhabitants)
100 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
Bulletin
Rev1000 		ML 2.3 2021-09-07
02:45:20		 44.1232 10.8558 13 2022-03-30
13:04:08		 Bollettino Sismico Italiano INGV 96093161
Reviewed
Rev100 		ML 2.3 2021-09-07
02:45:20		 44.1327 10.8602 10 2021-09-07
02:53:36		 Sala Sismica INGV-Roma 95132451
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-09-07 02:45:20 ± 0.08
Latitude 44.1232 ± 0.0063
Longitude 10.8558 ± 0.0063
Depth (km) 13 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 96093161

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 642
Semi-minor axis of confidence ellipse (meter) 264
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 1
Circular confidence region, given by single value of horizontal uncertainty (meter) 640.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 61
Number of associated phases, regardless of their use for origin computation 40
Number of defining phases 40
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.36
Epicentral distance of station closest to the epicenter (degree) 0.10522
Epicentral distance of station farthest from the epicenter (degree) 1.40564
Number of stations at which the event was observed 26
Number of stations from which data was used for origin computation 26
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 45
Type of magnitude ML
Reference to an origin 96093161
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-03-14 11:12:25

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 51
Type of magnitude ML
Reference to an origin 95132451
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-09-07 02:53:36
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.RNCA.HHZ. 2021-09-07T02:45:47.76 0.6 undecidable manual P 285 156.0216 91 1.34 23
IV.TEOL.HHZ. 2021-09-07T02:45:47.68 0.6 undecidable manual P 25 151.737 91 1.92 16
GU.FIVI.HNE. 2021-09-07T02:45:39.40 0.6 undecidable manual S 283 59.3961 92 0.13 46
GU.EQUI.HHN. 2021-09-07T02:45:37.72 0.6 undecidable manual S 275 56.0994 92 -0.68 40
IV.CSNT.HHZ. 2021-09-07T02:45:35.90 0.3 undecidable manual P 154 80.0643 92 1.19 45
IV.VISG.HHZ. 2021-09-07T02:45:35.82 0.6 undecidable manual S 81 46.62 93 -0.04 47
IV.PLMA.HHZ. 2021-09-07T02:45:35.13 0.3 undecidable manual P 265 80.2641 92 0.39 62
IV.OSSC.HHE. 2021-09-07T02:45:35.18 0.3 undecidable manual P 155 73.4709 92 1.49 39
GU.GRAM.HHZ. 2021-09-07T02:45:34.26 0.3 undecidable manual P 303 74.8695 92 0.35 64
IV.SEI.HHZ. 2021-09-07T02:45:34.09 0.6 undecidable manual S 101 40.8258 94 -0.22 46
GU.MAIM.HHZ. 2021-09-07T02:45:33.27 0.3 undecidable manual S 231 37.2294 94 -0.09 72
VR.VRG03.HH1. 2021-09-07T02:45:32.62 0.3 undecidable manual P 210 61.7937 92 0.72 58
GU.GSCL.HHZ. 2021-09-07T02:45:32.09 0.3 undecidable manual S 320 33.0447 95 -0.15 71
GU.SARM.EHZ. 2021-09-07T02:45:32.97 0.3 undecidable manual S 281 36.8298 94 -0.29 69
IV.CRMI.HHZ. 2021-09-07T02:45:32.97 0.6 undecidable manual S 165 37.629 94 -0.5 44
GU.FIVI.HNE. 2021-09-07T02:45:31.64 0.3 undecidable manual P 283 59.3961 92 0.11 69
IV.RUFI.EHZ. 2021-09-07T02:45:31.89 0.3 undecidable manual P 121 60.9945 92 0.11 69
GU.CARD.HHZ. 2021-09-07T02:45:31.71 0.3 undecidable manual S 250 31.6461 95 -0.17 72
IV.MTRZ.HNZ. 2021-09-07T02:45:30.84 0.3 undecidable manual P 65 49.9167 93 0.78 58
IV.MPPT.EHZ. 2021-09-07T02:45:30.59 0.3 undecidable manual S 134 26.2515 98 0.16 73
GU.EQUI.HHN. 2021-09-07T02:45:30.84 0.3 undecidable manual P 275 56.0994 92 -0.19 68
IV.PII.HHZ. 2021-09-07T02:45:30.03 0.3 undecidable manual P 211 51.8037 93 -0.32 67
IV.MOCL.EHZ. 2021-09-07T02:45:30.94 0.3 undecidable manual S 117 29.0487 96 -0.24 70
IV.BOSL.HHZ. 2021-09-07T02:45:29.43 0.3 undecidable manual P 117 46.5201 93 -0.12 70
IV.VISG.HHZ. 2021-09-07T02:45:29.08 0.3 undecidable manual P 81 46.62 93 -0.48 65
IV.BDI.HHZ. 2021-09-07T02:45:29.13 0.1 undecidable manual S 252 21.7671 101 -0.14 97
IV.SEI.HHZ. 2021-09-07T02:45:28.33 0.3 undecidable manual P 101 40.8258 94 -0.33 68
IV.CRMI.HHZ. 2021-09-07T02:45:28.18 0.3 undecidable manual P 165 37.629 94 0 73
IV.FNVD.HHZ. 2021-09-07T02:45:28.55 0.3 undecidable manual S 77 21.867 101 -0.73 61
GU.CARD.HHZ. 2021-09-07T02:45:27.06 0.3 undecidable manual P 250 31.6461 95 -0.2 71
GU.SARM.EHZ. 2021-09-07T02:45:27.99 0.1 undecidable manual P 281 36.8298 94 -0.06 96
GU.GSCL.HHZ. 2021-09-07T02:45:27.26 0.1 negative manual P 320 33.0447 95 -0.21 94
GU.MAIM.HHZ. 2021-09-07T02:45:27.88 0.3 undecidable manual P 231 37.2294 94 -0.24 70
GU.POPM.HHZ. 2021-09-07T02:45:26.96 0.1 undecidable manual S 222 11.6772 124 0.19 99
IV.MPPT.EHZ. 2021-09-07T02:45:26.30 0.1 undecidable manual P 134 26.2515 98 -0.12 97
IV.ZCCA.HHZ. 2021-09-07T02:45:26.90 0.1 undecidable manual P 21 27.0507 97 0.35 93
IV.MOCL.EHZ. 2021-09-07T02:45:26.73 0.1 undecidable manual P 117 29.0487 96 -0.13 96
IV.BDI.HHZ. 2021-09-07T02:45:25.63 0.1 positive manual P 252 21.7671 101 -0.12 98
IV.FNVD.HHZ. 2021-09-07T02:45:25.37 0.1 positive manual P 77 21.867 101 -0.39 92
GU.POPM.HHZ. 2021-09-07T02:45:24.45 0.1 undecidable manual P 222 11.6772 124 0.14 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.POPM.HHN. ML:3.2 0.014717905 0.2 AML other m 2021-09-07T02:45:27.13
GU.POPM.HHE. ML:3.0 0.009534946999999998 0.1808 AML other m 2021-09-07T02:45:27.49
IV.FNVD.HHE. ML:2.4 0.0016900545 0.4 AML other m 2021-09-07T02:45:29.35
IV.BDI.HHN. ML:2.9 0.005007278 0.1408 AML other m 2021-09-07T02:45:29.38
IV.BDI.HNN. ML:2.8 0.004295 0.14 AML other m 2021-09-07T02:45:29.31
IV.BDI.HHE. ML:2.6 0.0028937819999999997 1.84 AML other m 2021-09-07T02:45:30.99
IV.BDI.HNE. ML:2.7 0.0029989780000000002 0.2512 AML other m 2021-09-07T02:45:30.44
IV.FNVD.HHN. ML:2.4 0.0016712180000000001 1.6 AML other m 2021-09-07T02:45:30.03
IV.MPPT.EHN. ML:2.0 0.0004955000000000001 0.28 AML other m 2021-09-07T02:45:31.15
IV.MOCL.EHN. ML:2.0 0.0004388745 0.1792 AML other m 2021-09-07T02:45:31.30
IV.MPPT.EHE. ML:2.0 0.0005505 0.38 AML other m 2021-09-07T02:45:31.47
IV.MOCL.EHE. ML:2.0 0.00045650000000000004 0.26 AML other m 2021-09-07T02:45:31.99
GU.CARD.HHN. ML:2.7 0.0022438655 0.1408 AML other m 2021-09-07T02:45:32.39
GU.GSCL.HHN. ML:2.5 0.0013011610000000001 0.1792 AML other m 2021-09-07T02:45:32.63
GU.CARD.HHE. ML:2.5 0.00128858835 0.1792 AML other m 2021-09-07T02:45:32.68
GU.GSCL.HHE. ML:2.2 0.0007085 1.72 AML other m 2021-09-07T02:45:32.90
IV.ZCCA.HHN. ML:2.4 0.0013885515000000002 0.36 AML other m 2021-09-07T02:45:33.36
IV.ZCCA.HHE. ML:2.7 0.002645 0.28 AML other m 2021-09-07T02:45:33.69
IV.ZCCA.HNE. ML:2.7 0.0025499999999999997 0.28 AML other m 2021-09-07T02:45:33.69
IV.ZCCA.HNN. ML:2.4 0.0012615034000000001 0.3696 AML other m 2021-09-07T02:45:33.89
GU.MAIM.HHE. ML:2.2 0.0005800000000000001 0.24 AML other m 2021-09-07T02:45:34.07
IV.CRMI.HHN. ML:1.7 0.0001982643 0.28 AML other m 2021-09-07T02:45:34.34
IV.CRMI.HNE. ML:1.9 0.0003098939 0.56 AML other m 2021-09-07T02:45:34.30
IV.CRMI.HHE. ML:1.6 0.00015788505 0.32 AML other m 2021-09-07T02:45:35.19
GU.MAIM.HHN. ML:2.1 0.0005373508500000001 0.2208 AML other m 2021-09-07T02:45:35.52
IV.VISG.HHN. ML:1.8 0.00019600000000000002 0.4 AML other m 2021-09-07T02:45:36.38
IV.SEI.HHN. ML:2.4 0.0007955000000000001 1.48 AML other m 2021-09-07T02:45:36.79
IV.VISG.HHE. ML:1.6 0.000126 0.36 AML other m 2021-09-07T02:45:38.12
IV.PII.HHE. ML:2.5 0.0008514999999999999 0.26 AML other m 2021-09-07T02:45:38.06
IV.PII.HHN. ML:2.5 0.0008095 0.24 AML other m 2021-09-07T02:45:38.71
IV.BOSL.HHE. ML:1.8 0.00015900000000000002 0.46 AML other m 2021-09-07T02:45:39.93
IV.BOSL.HHN. ML:1.8 0.00020088125 1.4208 AML other m 2021-09-07T02:45:39.04
IV.SEI.HHE. ML:2.4 0.00088 1.6 AML other m 2021-09-07T02:45:39.86
IV.RUFI.EHE. ML:1.8 0.00013940885 0.7792 AML other m 2021-09-07T02:45:42.88
IV.RUFI.EHN. ML:1.6 0.00007892418399999999 0.64 AML other m 2021-09-07T02:45:43.40
GU.GRAM.HHE. ML:2.7 0.0007019999999999999 0.26 AML other m 2021-09-07T02:45:45.40
IV.PLMA.HHE. ML:2.0 0.000136 0.56 AML other m 2021-09-07T02:45:45.41
GU.GRAM.HHN. ML:2.5 0.000519 0.34 AML other m 2021-09-07T02:45:45.68
IV.PLMA.HHN. ML:2.0 0.000134 0.18 AML other m 2021-09-07T02:45:47.17
IV.CSNT.HHN. ML:2.0 0.000156 1.48 AML other m 2021-09-07T02:45:49.84
IV.CSNT.HHE. ML:1.8 0.00008790000000000001 0.48 AML other m 2021-09-07T02:45:49.39
GU.RNCA.HHE. ML:1.9 0.000037365435 0.2592 AML other m 2021-09-07T02:46:08.27
IV.TEOL.HHN. ML:2.4 0.0001153479 0.44 AML other m 2021-09-07T02:46:08.54
GU.RNCA.HHN. ML:2.0 0.00004704999999999999 0.74 AML other m 2021-09-07T02:46:08.59
IV.TEOL.HHE. ML:2.4 0.00013403113 0.44 AML other m 2021-09-07T02:46:09.85
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
Waveforms Seismic signals in miniseed + resp format Download