Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 07-09-2021 and time 15:11:44 (Italy) in region 3 km W Lizzano in Belvedere (BO)

A magnitude ML 1.1 earthquake occured in region: 3 km W Lizzano in Belvedere (BO), on

  • 07-09-2021 13:11:44 (UTC)
  • 07-09-2021 15:11:44 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.1560, 10.8550 at 10 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 3 2212 2212
Fanano MO 8 2989 5201
Gaggio Montano BO 8 4878 10079
Alto Reno Terme BO 10 6960 17039
Cutigliano PT 10 1488 18527
Sestola MO 11 2508 21035
San Marcello Pistoiese PT 12 6416 27451
Sambuca Pistoiese PT 13 1626 29077
Montese MO 14 3353 32430
Castel di Casio BO 15 3448 35878
Montecreto MO 15 940 36818
Abetone PT 15 621 37439
Piteglio PT 16 1683 39122
Fiumalbo MO 17 1280 40402
Riolunato MO 18 712 41114
Castel d'Aiano BO 18 1906 43020
Camugnano BO 19 1885 44905
Lama Mocogno MO 20 2734 47639
Pievepelago MO 20 2222 49861

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km N of Pistoia (90315 inhabitants)
36 Km NW of Prato (191150 inhabitants)
45 Km NE of Lucca (89046 inhabitants)
51 Km NW of Scandicci (50609 inhabitants)
54 Km NW of Firenze (382808 inhabitants)
54 Km SW of Bologna (386663 inhabitants)
55 Km S of Modena (184973 inhabitants)
58 Km NE of Viareggio (62467 inhabitants)
58 Km E of Massa (69479 inhabitants)
61 Km NE of Pisa (89158 inhabitants)
61 Km E of Carrara (63133 inhabitants)
63 Km S of Reggio nell'Emilia (171345 inhabitants)
70 Km S of Carpi (70699 inhabitants)
72 Km W of Imola (69797 inhabitants)
80 Km NE of Livorno (159219 inhabitants)
82 Km E of La Spezia (93959 inhabitants)
83 Km SE of Parma (192836 inhabitants)
83 Km W of Faenza (58541 inhabitants)
95 Km W of Forlì (117913 inhabitants)
97 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 1.1 2021-09-07
13:11:44		 44.1562 10.8553 11 2021-09-07
13:20:28		 Sala Sismica INGV-Roma 95158231
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-09-07 13:11:44 ± 0.15
Latitude 44.1562 ± 0.0090
Longitude 10.8553 ± 0.0075
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 95158231

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 984
Semi-minor axis of confidence ellipse (meter) 318
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 356
Circular confidence region, given by single value of horizontal uncertainty (meter) 980.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 109
Number of associated phases, regardless of their use for origin computation 56
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.33
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.49463
Number of stations at which the event was observed 44
Number of stations from which data was used for origin computation 11
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 95158231
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-09-07 13:20:28
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ACATE.EHZ. 2021-09-07T13:13:59.44 3.0 undecidable manual Pg 25.309999 0
IV.ICAI.EHZ. 2021-09-07T13:13:52.48 3.0 undecidable manual Sg 13.17 0
IV.PTRJ.HHZ. 2021-09-07T13:13:48.12 3.0 undecidable manual Sg 13.96 0
IV.CLTA.HHZ. 2021-09-07T13:13:47.00 3.0 positive manual Pg 16.73 0
MN.PDG.HHZ. 2021-09-07T13:13:44.29 3.0 positive manual Pg 26.459999 0
IV.MCPD.HHZ. 2021-09-07T13:13:38.86 3.0 positive manual Pg 17.35 0
AC.SRN.HHZ. 2021-09-07T13:13:38.98 3.0 undecidable manual Pn -2.12 0
IV.MTGR.HHZ. 2021-09-07T13:13:34.06 3.0 positive manual Pg 17.440001 0
IV.CAGR.HHZ. 2021-09-07T13:13:18.76 3.0 undecidable manual Pn -7.83 0
IV.DGI.HHZ. 2021-09-07T13:13:16.72 3.0 undecidable manual Sn -9.99 0
IV.SERS.HHZ. 2021-09-07T13:13:16.08 3.0 undecidable manual Pn -6.58 0
IV.MGR.HHZ. 2021-09-07T13:13:16.43 3.0 positive manual Pg 13.13 0
IV.CMDO.HHZ. 2021-09-07T13:13:16.30 3.0 undecidable manual Pn -9.5 0
IV.PZUN.HHZ. 2021-09-07T13:13:15.89 3.0 undecidable manual Pg 15.84 0
IV.MMN.HHZ. 2021-09-07T13:13:10.71 3.0 undecidable manual Pn 1.82 0
IV.MCRV.HHZ. 2021-09-07T13:13:08.23 3.0 undecidable manual Pg 14.21 0
IV.VCEL.EHZ. 2021-09-07T13:13:00.24 3.0 undecidable manual Sn -7.69 0
IV.VIVA.HHZ. 2021-09-07T13:13:00.10 3.0 undecidable manual Sn -6.19 0
IV.BIOG.HHZ. 2021-09-07T13:13:00.36 3.0 negative manual Pg 10.65 0
IV.TRE1.HNZ. 2021-09-07T13:12:52.75 3.0 undecidable manual Sg 5.1 0
MN.TRI.HHZ. 2021-09-07T13:12:50.18 3.0 undecidable manual Sn -5.62 0
IV.TOLF.HHZ. 2021-09-07T13:12:48.57 3.0 undecidable manual Sn -3.89 0
IV.ARVD.HHZ. 2021-09-07T13:12:46.68 3.0 undecidable manual Sg 7 0
IV.VCEL.EHZ. 2021-09-07T13:12:36.37 3.0 undecidable manual Pg 7.46 0
IV.OFFI.HHZ. 2021-09-07T13:12:32.95 3.0 undecidable manual Pg 9.62 0
IV.VIVA.HHZ. 2021-09-07T13:12:30.66 3.0 negative manual Pg 2.67 0
IV.APEC.HHZ. 2021-09-07T13:12:27.16 3.0 undecidable manual Sn -3.62 0
IV.RIBO.EHZ.01 2021-09-07T13:12:22.97 3.0 undecidable manual Sg -2.61 0
GU.GBOS.HHZ. 2021-09-07T13:12:11.79 3.0 positive manual Pg 4.47 0
CH.BERNI.HHZ. 2021-09-07T13:12:10.92 3.0 positive manual Pg -0.14 0
IV.ATCC.EHZ. 2021-09-07T13:12:09.97 3.0 undecidable manual Pn -2.7 0
IV.CSNT.HHZ. 2021-09-07T13:12:02.53 3.0 negative manual Pg 2.48 0
IV.SEI.HHZ. 2021-09-07T13:11:58.32 0.6 undecidable manual S 106 41.625 50 0.51 44
IV.CRMI.HHE. 2021-09-07T13:11:57.68 0.6 undecidable manual S 166 41.2254 50 -0.02 49
GU.MAIM.HHZ. 2021-09-07T13:11:57.02 1.0 undecidable manual S 227 39.627 50 -0.25 24
GU.SARM.EHZ. 2021-09-07T13:11:56.30 0.6 undecidable manual S 275 36.3414 50 -0.08 49
IV.FERS.EHZ. 2021-09-07T13:11:56.34 3.0 negative manual Pg -1.55 0
IV.PII.HHZ. 2021-09-07T13:11:55.07 0.1 undecidable manual P 209 54.9006 50 1 70
IV.RIBO.EHZ.01 2021-09-07T13:11:55.86 3.0 undecidable manual Pn -9.26 0
IV.MOCL.EHZ. 2021-09-07T13:11:54.50 0.6 undecidable manual S 123 30.8469 50 -0.44 46
IV.MPPT.EHZ. 2021-09-07T13:11:53.94 0.6 undecidable manual S 140 28.9488 50 -0.47 46
IV.BDI.HHZ. 2021-09-07T13:11:52.65 0.6 undecidable manual S 243 23.1546 50 -0.22 49
IV.FNVD.HHN. 2021-09-07T13:11:52.24 0.6 undecidable manual S 86 21.3675 116 -0.12 50
IV.CRMI.HHE. 2021-09-07T13:11:52.10 0.1 undecidable manual P 166 41.2254 50 0.15 96
IV.SEI.HHZ. 2021-09-07T13:11:51.89 0.6 undecidable manual P 106 41.625 50 -0.13 48
GU.MAIM.HHZ. 2021-09-07T13:11:51.87 0.1 undecidable manual P 227 39.627 50 0.17 96
GU.POPM.HHZ. 2021-09-07T13:11:50.48 0.6 undecidable manual S 213 14.5743 126 0.13 50
GU.SARM.EHZ. 2021-09-07T13:11:50.46 0.1 undecidable manual P 275 36.3414 50 -0.74 82
IV.MOCL.EHZ. 2021-09-07T13:11:50.24 0.6 negative manual P 123 30.8469 50 -0.12 49
IV.BDI.HHZ. 2021-09-07T13:11:49.07 0.1 undecidable manual P 243 23.1546 50 -0.1 100
IV.MPPT.EHZ. 2021-09-07T13:11:49.90 1.0 undecidable manual P 140 28.9488 50 -0.16 24
IV.ZCCA.HNZ. 2021-09-07T13:11:49.74 0.1 undecidable manual P 24 23.6541 50 0.49 92
IV.FNVD.HHN. 2021-09-07T13:11:48.64 0.1 undecidable manual P 86 21.3675 116 -0.23 98
IV.PCN.EHZ. 2021-09-07T13:11:48.98 3.0 negative manual P -4.48 0
GU.POPM.HHZ. 2021-09-07T13:11:47.81 1.0 undecidable manual P 213 14.5743 126 0.09 25
GU.GSCL.HHZ. 2021-09-07T13:11:46.04 3.0 undecidable manual P 0.63 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.POPM.HHN. ML:1.5 0.00033600000000000004 0.18 AML other m 2021-09-07T13:11:50.58
GU.POPM.HHE. ML:1.4 0.00023649999999999998 1.26 AML other m 2021-09-07T13:11:50.77
IV.MPPT.EHE. ML:1.0 0.00005165 0.38 AML other m 2021-09-07T13:11:54.74
IV.MPPT.EHN. ML:1.0 0.000053150000000000004 1.06 AML other m 2021-09-07T13:11:54.35
IV.MOCL.EHE. ML:1.0 0.000049706084999999994 0.1408 AML other m 2021-09-07T13:11:55.17
IV.MOCL.EHN. ML:0.9 0.000041682370000000004 0.2432 AML other m 2021-09-07T13:11:55.00
IV.SEI.HHE. ML:0.9 0.000026491489999999998 0.3584 AML other m 2021-09-07T13:12:03.36
IV.SEI.HHN. ML:1.1 0.000042824105 0.6592 AML other m 2021-09-07T13:12:00.87
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