Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 04-11-2020 and time 06:05:06 (UTC) in region 5 km NW Vernio (PO)

A magnitude ML 1.2 earthquake occured in region: 5 km NW Vernio (PO), on

  • 04-11-2020 06:05:06 (UTC)
  • 04-11-2020 07:05:06 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.0910, 11.1260 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
Vernio PO 5 6060 6060
Castiglione dei Pepoli BO 6 5648 11708
Cantagallo PO 7 3105 14813
Camugnano BO 9 1885 16698
Sambuca Pistoiese PT 10 1626 18324
Castel di Casio BO 11 3448 21772
Barberino di Mugello FI 14 10836 32608
Vaiano PO 14 9895 42503
Alto Reno Terme BO 14 6960 49463
San Benedetto Val di Sambro BO 16 4315 53778
Grizzana Morandi BO 19 3916 57694
Montale PT 19 10737 68431
Gaggio Montano BO 19 4878 73309
Montemurlo PO 19 18456 91765

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km N of Prato (191150 inhabitants)
24 Km NE of Pistoia (90315 inhabitants)
37 Km N of Scandicci (50609 inhabitants)
37 Km N of Firenze (382808 inhabitants)
48 Km SW of Bologna (386663 inhabitants)
55 Km SW of Imola (69797 inhabitants)
57 Km E of Lucca (89046 inhabitants)
64 Km S of Modena (184973 inhabitants)
64 Km W of Faenza (58541 inhabitants)
71 Km NE of Pisa (89158 inhabitants)
74 Km E of Viareggio (62467 inhabitants)
75 Km W of Forlì (117913 inhabitants)
78 Km SE of Reggio nell'Emilia (171345 inhabitants)
79 Km E of Massa (69479 inhabitants)
79 Km S of Carpi (70699 inhabitants)
82 Km E of Carrara (63133 inhabitants)
87 Km N of Siena (53903 inhabitants)
89 Km NE of Livorno (159219 inhabitants)
89 Km W of Cesena (96758 inhabitants)
92 Km SW of Ferrara (133155 inhabitants)
92 Km NW of Arezzo (99543 inhabitants)
93 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
Reviewed
Rev100 		ML 1.2 2020-11-04
06:05:06		 44.0908 11.1255 10 2020-11-04
06:12:38		 Sala Sismica INGV-Roma 84440071
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-11-04 06:05:06 ± 0.17
Latitude 44.0908 ± 0.0090
Longitude 11.1255 ± 0.0075
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 84440071

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1058
Semi-minor axis of confidence ellipse (meter) 478
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 165
Circular confidence region, given by single value of horizontal uncertainty (meter) 1060.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 202
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.31296
Number of stations at which the event was observed 28
Number of stations from which data was used for origin computation 6
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 84440071
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-11-04 06:12:38
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
AC.VLO.HHZ. 2020-11-04T06:07:20.93 3.0 positive manual Pg 30.23 0
OT.OT05.EHZ. 2020-11-04T06:07:16.89 3.0 undecidable manual Sg 14.75 0
IX.MNT3.HHZ.02 2020-11-04T06:07:08.31 3.0 undecidable manual Sn -0.32 0
IV.ECTS.HHZ. 2020-11-04T06:07:07.88 3.0 undecidable manual Pg 20.700001 0
IT.PLTA.HNZ. 2020-11-04T06:07:07.00 3.0 undecidable manual Sg 19.74 0
IV.HAGA.HHZ. 2020-11-04T06:06:58.99 3.0 undecidable manual Pn 4.19 0
IV.IFIL.HHZ. 2020-11-04T06:06:57.81 3.0 negative manual Pg 21.610001 0
MN.VAE.HHZ. 2020-11-04T06:06:52.45 3.0 undecidable manual Pn 3.27 0
IV.ACATE.HNZ. 2020-11-04T06:06:50.63 3.0 negative manual Pn -4.84 0
IV.BSSO.HHZ. 2020-11-04T06:06:49.72 3.0 undecidable manual Sn -0.85 0
IV.GIUL.HHZ. 2020-11-04T06:06:49.85 3.0 undecidable manual Sg 14.43 0
IV.MSFR.HHZ. 2020-11-04T06:06:41.29 3.0 undecidable manual Pn -1.64 0
CR.STON.BHZ. 2020-11-04T06:06:39.58 3.0 undecidable manual Pg 20.66 0
IV.RCAV.EHZ. 2020-11-04T06:06:33.71 3.0 undecidable manual Sg 7.24 0
IV.NOCI.HHZ. 2020-11-04T06:06:32.39 3.0 negative manual Pn 4.73 0
IV.LAV9.HHZ. 2020-11-04T06:05:58.81 3.0 negative manual Pg 9.67 0
IV.RMP.HHZ. 2020-11-04T06:05:54.30 3.0 undecidable manual Pg 6.78 0
IV.MNTT.EHZ. 2020-11-04T06:05:48.37 3.0 undecidable manual Pg 7.96 0
IV.IMI.HHZ. 2020-11-04T06:05:33.40 3.0 undecidable manual Pg -3.19 0
IV.PE3.EHZ. 2020-11-04T06:05:28.31 3.0 positive manual Pg 1.88 0
IV.NARO.HHZ. 2020-11-04T06:05:27.28 3.0 negative manual P -0.49 0
IV.CRMI.HHZ. 2020-11-04T06:05:18.62 0.1 undecidable manual S 200 34.743 50 -0.33 94
IV.RONT.HHZ. 2020-11-04T06:05:17.10 0.1 undecidable manual S 114 26.751 110 0.28 87
GU.POPM.HHZ. 2020-11-04T06:05:17.73 0.1 undecidable manual S 260 29.8479 50 0.1 95
IV.BRSN.EHZ. 2020-11-04T06:05:16.47 3.0 positive manual P -2.22 0
IV.SEI.HHZ. 2020-11-04T06:05:14.01 0.1 undecidable manual S 102 18.9699 117 -0.34 93
IV.CRMI.HHZ. 2020-11-04T06:05:13.95 0.6 negative manual P 200 34.743 50 0.08 47
IV.MPPT.EHZ. 2020-11-04T06:05:13.25 0.1 undecidable manual S 191 15.0738 123 0.1 100
IV.RONT.HHZ. 2020-11-04T06:05:12.80 0.6 positive manual P 114 26.751 110 0.16 46
GU.POPM.HHZ. 2020-11-04T06:05:12.69 0.6 undecidable manual P 260 29.8479 50 -0.41 45
IV.SEI.HHZ. 2020-11-04T06:05:11.15 0.1 positive manual P 102 18.9699 117 -0.06 98
IV.MOCL.EHZ. 2020-11-04T06:05:11.82 0.1 undecidable manual S 155 10.4784 133 -0.08 97
IV.MPPT.EHZ. 2020-11-04T06:05:10.82 1.0 undecidable manual P 191 15.0738 123 0.3 24
IV.MOCL.EHZ. 2020-11-04T06:05:10.10 0.1 undecidable manual P 155 10.4784 133 0.3 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MOCL.EHN. ML:1.8 0.0007995 1.86 AML other m 2020-11-04T06:05:11.05
IV.MOCL.EHE. ML:1.9 0.0009195 1.8 AML other m 2020-11-04T06:05:12.00
IV.MPPT.EHN. ML:1.3 0.000191 0.18 AML other m 2020-11-04T06:05:13.55
IV.MPPT.EHE. ML:1.1 0.0001255 0.26 AML other m 2020-11-04T06:05:13.48
IV.SEI.HHN. ML:1.2 0.00011180000000000001 0.34 AML other m 2020-11-04T06:05:14.96
IV.SEI.HHE. ML:1.0 0.00007245 0.38 AML other m 2020-11-04T06:05:15.55
GU.POPM.HHE. ML:1.0 0.00005355 0.54 AML other m 2020-11-04T06:05:18.85
GU.POPM.HHN. ML:1.0 0.000053400000000000004 0.24 AML other m 2020-11-04T06:05:18.84
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