Earthquake with magnitude of ML 1.4 on date 20-02-2015 and time 04:50:45 (Italy) in region 1 km E Lizzano in Belvedere (BO)

A magnitude ML 1.4 earthquake occured in region: 1 km E Lizzano in Belvedere (BO), on

  • 20-02-2015 03:50:45 (UTC)
  • 20-02-2015 04:50:45 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.1660, 10.9130 at 23 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 4 4878 7090
Alto Reno Terme BO 5 6960 14050
Sambuca Pistoiese PT 10 1626 15676
Castel di Casio BO 10 3448 19124
Fanano MO 10 2989 22113
Montese MO 12 3353 25466
Sestola MO 13 2508 27974
Camugnano BO 14 1885 29859
Cutigliano PT 14 1488 31347
Castel d'Aiano BO 15 1906 33253
San Marcello Pistoiese PT 16 6416 39669
Montecreto MO 18 940 40609
Piteglio PT 19 1683 42292
Castiglione dei Pepoli BO 20 5648 47940
Abetone PT 20 621 48561

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km N of Pistoia (90315 inhabitants)
35 Km NW of Prato (191150 inhabitants)
49 Km NE of Lucca (89046 inhabitants)
50 Km NW of Scandicci (50609 inhabitants)
50 Km SW of Bologna (386663 inhabitants)
52 Km NW of Firenze (382808 inhabitants)
54 Km S of Modena (184973 inhabitants)
62 Km NE of Viareggio (62467 inhabitants)
63 Km E of Massa (69479 inhabitants)
63 Km SE of Reggio nell'Emilia (171345 inhabitants)
65 Km NE of Pisa (89158 inhabitants)
66 Km E of Carrara (63133 inhabitants)
67 Km W of Imola (69797 inhabitants)
69 Km S of Carpi (70699 inhabitants)
79 Km W of Faenza (58541 inhabitants)
84 Km NE of Livorno (159219 inhabitants)
85 Km SE of Parma (192836 inhabitants)
87 Km E of La Spezia (93959 inhabitants)
90 Km W of Forlì (117913 inhabitants)
93 Km SW of Ferrara (133155 inhabitants)
100 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 1.4 2015-02-20
03:50:45
44.166 10.9127 23 2015-02-20
03:57:52
Sala Sismica INGV-Roma 17132091
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2015-02-20 03:50:45 ± 0.29
Latitude 44.1660 ± 0.0081
Longitude 10.9127 ± 0.0150
Depth (km) 23 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 17132091

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 980
Semi-minor axis of confidence ellipse (meter) 820
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 300
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) 141
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.24911
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 4
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 2
Type of magnitude ML
Reference to an origin 17132091
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2015-02-20 03:57:52
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.BDI.HHZ. 2015-02-20T03:50:56.24 0.6 undecidable manual S 246 27.6501 123 -0.05 49
IV.ZCCA.HHZ. 2015-02-20T03:50:55.26 0.6 undecidable manual S 14 21.1677 132 0.35 47
IV.ERBM.EHZ. 2015-02-20T03:50:54.85 3.0 negative manual P 0.03 0
GU.POPM.HHZ. 2015-02-20T03:50:54.26 0.6 undecidable manual S 223 18.2706 137 -0.11 50
IV.MTCR.EHZ. 2015-02-20T03:50:54.03 0.1 undecidable manual S 155 16.872 139 -0.09 100
IV.BDI.HHZ. 2015-02-20T03:50:51.73 0.1 undecidable manual P 246 27.6501 123 0.04 99
IV.MTCR.EHZ. 2015-02-20T03:50:50.59 0.1 undecidable manual P 155 16.872 139 0.16 99
IV.ZCCA.HHZ. 2015-02-20T03:50:50.59 0.1 undecidable manual P 14 21.1677 132 -0.3 95
GU.POPM.HHZ. 2015-02-20T03:50:50.67 0.1 positive manual P 223 18.2706 137 0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.BDI.HHE. ML:1.3 0.00007300000000000001 0.38 AML other m 2015-02-20T03:51:28.70
IV.BDI.HHN. ML:1.1 0.0000555 0.74 AML other m 2015-02-20T03:51:29.05
GU.POPM.HHN. ML:1.6 0.00019 0.16 AML other m 2015-02-20T03:51:26.92
GU.POPM.HHE. ML:1.7 0.0002855 0.18 AML other m 2015-02-20T03:51:27.01
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