Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 07-09-2021 and time 05:13:30 (Italy) in region 5 km SW Lizzano in Belvedere (BO)

A magnitude ML 1.2 earthquake occured in region: 5 km SW Lizzano in Belvedere (BO), on

  • 07-09-2021 03:13:30 (UTC)
  • 07-09-2021 05:13:30 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.1250, 10.8530 at 14 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.

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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
Fanano MO 10 2989 13105
Alto Reno Terme BO 11 6960 20065
Gaggio Montano BO 11 4878 24943
Sambuca Pistoiese PT 12 1626 26569
Piteglio PT 13 1683 28252
Sestola MO 14 2508 30760
Abetone PT 15 621 31381
Castel di Casio BO 15 3448 34829
Montecreto MO 17 940 35769
Fiumalbo MO 17 1280 37049
Montese MO 18 3353 40402
Camugnano BO 20 1885 42287
Riolunato MO 20 712 42999

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)
49 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)
58 Km S of Modena (184973 inhabitants)
61 Km E of Carrara (63133 inhabitants)
66 Km S of Reggio nell'Emilia (171345 inhabitants)
73 Km S of Carpi (70699 inhabitants)
73 Km W of Imola (69797 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)
98 Km NW of Siena (53903 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 2021-09-07
03:13:30		 44.1247 10.8528 14 2021-09-07
03:17:59		 Sala Sismica INGV-Roma 95133781
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-09-07 03:13:30 ± 0.1
Latitude 44.1247 ± 0.0054
Longitude 10.8528 ± 0.0075
Depth (km) 14 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 95133781

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 648
Semi-minor axis of confidence ellipse (meter) 367
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 314
Circular confidence region, given by single value of horizontal uncertainty (meter) 650.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 80
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.36962
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 95133781
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-09-07 03:17:59
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.VOBA.EHZ. 2021-09-07T03:14:16.23 3.0 undecidable manual S -0.19 0
GU.RNCA.HHZ. 2021-09-07T03:14:15.19 3.0 undecidable manual S 2.25 0
GU.MGRO.HHZ. 2021-09-07T03:14:11.90 3.0 undecidable manual Pg 7.12 0
IV.SMA1.EHZ. 2021-09-07T03:14:07.36 3.0 positive manual Pn 0.47 0
GU.GRAM.HHZ. 2021-09-07T03:13:43.81 3.0 negative manual P 0.3 0
GU.MAIM.HHZ. 2021-09-07T03:13:42.95 0.3 undecidable manual S 231 37.1295 97 0.27 68
GU.GSCL.HHZ. 2021-09-07T03:13:41.33 0.6 undecidable manual S 320 32.745 98 -0.18 48
IV.PII.HHZ. 2021-09-07T03:13:39.79 3.0 negative manual P 0.3 0
IV.MPPT.EHZ. 2021-09-07T03:13:39.98 0.6 undecidable manual S 134 26.4513 102 0.11 49
IV.BDI.HHZ. 2021-09-07T03:13:38.47 0.6 undecidable manual S 252 21.5673 107 -0.13 49
IV.SEI.HHZ. 2021-09-07T03:13:37.65 1.0 undecidable manual P 101 41.0256 96 -0.38 22
IV.CRMI.HHZ. 2021-09-07T03:13:37.94 1.0 positive manual P 164 37.8288 97 0.4 22
GU.MAIM.HHZ. 2021-09-07T03:13:37.35 0.1 undecidable manual P 231 37.1295 97 -0.08 95
IV.ZCCA.HHZ. 2021-09-07T03:13:36.20 0.1 positive manual P 21 26.9508 102 0.32 91
GU.POPM.HHZ. 2021-09-07T03:13:36.28 0.6 undecidable manual S 221 11.6772 130 0.03 50
IV.MOCL.EHZ. 2021-09-07T03:13:36.09 0.3 negative manual P 117 29.3484 100 -0.15 71
GU.GSCL.HHZ. 2021-09-07T03:13:36.53 0.6 positive manual P 320 32.745 98 -0.22 47
IV.MPPT.EHZ. 2021-09-07T03:13:35.61 1.0 positive manual P 134 26.4513 102 -0.2 23
IV.BDI.HHZ. 2021-09-07T03:13:34.92 0.1 positive manual P 252 21.5673 107 -0.16 97
GU.POPM.HHZ. 2021-09-07T03:13:33.74 0.1 undecidable manual P 221 11.6772 130 0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.POPM.HHN. ML:2.1 0.0012050000000000001 0.16 AML other m 2021-09-07T03:13:36.39
GU.POPM.HHE. ML:1.9 0.0007934999999999999 0.12 AML other m 2021-09-07T03:13:36.75
IV.BDI.HHN. ML:1.6 0.00022700000000000002 0.12 AML other m 2021-09-07T03:13:38.60
IV.BDI.HHE. ML:1.4 0.000143 0.9 AML other m 2021-09-07T03:13:39.66
IV.MPPT.EHE. ML:1.1 0.0000603 0.4 AML other m 2021-09-07T03:13:40.36
IV.MPPT.EHN. ML:1.1 0.00006634999999999999 0.42 AML other m 2021-09-07T03:13:40.42
GU.GSCL.HHN. ML:1.1 0.00005735 0.16 AML other m 2021-09-07T03:13:41.77
GU.GSCL.HHE. ML:1.0 0.00004295 1.66 AML other m 2021-09-07T03:13:42.95
IV.ZCCA.HHE. ML:1.3 0.00010755000000000001 0.28 AML other m 2021-09-07T03:13:42.92
IV.ZCCA.HHN. ML:1.1 0.000062 1.28 AML other m 2021-09-07T03:13:43.76
GU.MAIM.HHE. ML:1.0 0.00003875000000000001 0.56 AML other m 2021-09-07T03:13:43.31
GU.MAIM.HHN. ML:1.0 0.00003545 0.56 AML other m 2021-09-07T03:13:43.31
IV.CRMI.HHN. ML:0.8 0.000021900000000000004 0.56 AML other m 2021-09-07T03:13:43.59
IV.CRMI.HHE. ML:0.8 0.000017849999999999997 0.54 AML other m 2021-09-07T03:13:44.61
IV.SEI.HHE. ML:1.2 0.00005345 0.32 AML other m 2021-09-07T03:13:45.35
IV.SEI.HHN. ML:1.2 0.00005665000000000001 1.7 AML other m 2021-09-07T03:13:46.06
IV.PII.HHE. ML:1.4 0.0000531 0.24 AML other m 2021-09-07T03:13:47.30
IV.PII.HHN. ML:1.3 0.000047850000000000004 1.74 AML other m 2021-09-07T03:13:48.95
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