Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 16-02-2015 and time 23:50:48 (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

  • 16-02-2015 22:50:48 (UTC)
  • 16-02-2015 23:50:48 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.1600, 10.9080 at 23 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 1 2212 2212
Gaggio Montano BO 5 4878 7090
Alto Reno Terme BO 6 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
Cutigliano PT 14 1488 29462
Camugnano BO 14 1885 31347
San Marcello Pistoiese PT 15 6416 37763
Castel d'Aiano BO 16 1906 39669
Montecreto MO 18 940 40609
Piteglio PT 18 1683 42292
Abetone PT 19 621 42913
Castiglione dei Pepoli BO 20 5648 48561

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km N of Pistoia (90315 inhabitants)
35 Km NW of Prato (191150 inhabitants)
48 Km NE of Lucca (89046 inhabitants)
50 Km NW of Scandicci (50609 inhabitants)
51 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)
64 Km SE of Reggio nell'Emilia (171345 inhabitants)
64 Km NE of Pisa (89158 inhabitants)
65 Km E of Carrara (63133 inhabitants)
68 Km W of Imola (69797 inhabitants)
69 Km S of Carpi (70699 inhabitants)
79 Km W of Faenza (58541 inhabitants)
83 Km NE of Livorno (159219 inhabitants)
85 Km SE of Parma (192836 inhabitants)
86 Km E of La Spezia (93959 inhabitants)
91 Km W of Forlì (117913 inhabitants)
94 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
Bulletin
Rev1000 		ML 1.4 2015-02-16
22:50:48		 44.1597 10.9078 23 2015-10-19
09:27:21		 Bollettino Sismico Italiano INGV 20620901
Reviewed
Rev100 		ML 1.5 2015-02-16
22:50:48		 44.1653 10.913 24 2015-02-16
22:56:09		 Sala Sismica INGV-Roma 17070471
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2015-02-16 22:50:48 ± 0.32
Latitude 44.1597 ± 0.0081
Longitude 10.9078 ± 0.0125
Depth (km) 23 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 20620901

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1069
Semi-minor axis of confidence ellipse (meter) 655
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 123
Circular confidence region, given by single value of horizontal uncertainty (meter) 1070.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 139
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.14839
Epicentral distance of station farthest from the epicenter (degree) 0.24372
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.0
Num. used stations 1
Type of magnitude ML
Reference to an origin 17070471
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2015-02-16 22:56:09

ML:1.4

Field Value
Value 1.4
Uncertainty 0.0
Num. used stations 1
Type of magnitude ML
Reference to an origin 20620901
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-07-31 08:28:53
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.BDI.HHZ. 2015-02-16T22:50:59.09 0.3 undecidable manual S 247 27.0507 124 0.04 98
IV.ZCCA.HHZ. 2015-02-16T22:50:58.18 0.3 undecidable manual S 14 21.867 131 0.23 95
GU.POPM.HHZ. 2015-02-16T22:50:57.01 0.3 undecidable manual S 223 17.4714 138 -0.1 99
IV.MTCR.EHZ. 2015-02-16T22:50:56.88 0.3 undecidable manual S 153 16.4724 140 -0.04 100
IV.BDI.HHZ. 2015-02-16T22:50:54.62 0.3 positive manual P 247 27.0507 124 0.11 97
IV.MTCR.EHZ. 2015-02-16T22:50:53.45 0.3 undecidable manual P 153 16.4724 140 0.17 98
IV.ZCCA.HHZ. 2015-02-16T22:50:53.45 0.3 positive manual P 14 21.867 131 -0.42 92
GU.POPM.HHZ. 2015-02-16T22:50:53.42 0.3 positive manual P 223 17.4714 138 0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.POPM.HHN. ML:1.4 0.000134 0.18 AML other m 2015-02-16T22:50:57.26
GU.POPM.HHE. ML:1.5 0.0001531 0.24 AML other m 2015-02-16T22:50:57.51
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