Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 19-04-2015 and time 03:57:28 (UTC) in region 2 km NE Lizzano in Belvedere (BO)

A magnitude ML 1.7 earthquake occured in region: 2 km NE Lizzano in Belvedere (BO), on

  • 19-04-2015 03:57:28 (UTC)
  • 19-04-2015 05:57:28 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.1710, 10.9100 at 22 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 2 2212 2212
Gaggio Montano BO 4 4878 7090
Alto Reno Terme BO 6 6960 14050
Fanano MO 10 2989 17039
Castel di Casio BO 10 3448 20487
Sambuca Pistoiese PT 10 1626 22113
Montese MO 11 3353 25466
Sestola MO 13 2508 27974
Camugnano BO 14 1885 29859
Castel d'Aiano BO 14 1906 31765
Cutigliano PT 14 1488 33253
San Marcello Pistoiese PT 16 6416 39669
Montecreto MO 17 940 40609
Piteglio PT 19 1683 42292
Abetone PT 20 621 42913
Castiglione dei Pepoli BO 20 5648 48561
Pavullo nel Frignano MO 20 17383 65944

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km N of Pistoia (90315 inhabitants)
36 Km NW of Prato (191150 inhabitants)
49 Km NE of Lucca (89046 inhabitants)
50 Km SW of Bologna (386663 inhabitants)
51 Km NW of Scandicci (50609 inhabitants)
53 Km NW of Firenze (382808 inhabitants)
53 Km S of Modena (184973 inhabitants)
63 Km NE of Viareggio (62467 inhabitants)
63 Km SE of Reggio nell'Emilia (171345 inhabitants)
63 Km E of Massa (69479 inhabitants)
65 Km NE of Pisa (89158 inhabitants)
66 Km E of Carrara (63133 inhabitants)
67 Km W of Imola (69797 inhabitants)
68 Km S of Carpi (70699 inhabitants)
79 Km W of Faenza (58541 inhabitants)
84 Km NE of Livorno (159219 inhabitants)
84 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)
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 1.7 2015-04-19
03:57:28		 44.1707 10.9097 22 2015-10-19
09:28:02		 Bollettino Sismico Italiano INGV 18692301
Reviewed
Rev100 		ML 1.7 2015-04-19
03:57:28		 44.171 10.9258 24 2015-04-19
04:27:34		 Sala Sismica INGV-Roma 18527801
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2015-04-19 03:57:28 ± 0.17
Latitude 44.1707 ± 0.0072
Longitude 10.9097 ± 0.0075
Depth (km) 22 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 18692301

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 773
Semi-minor axis of confidence ellipse (meter) 350
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 329
Circular confidence region, given by single value of horizontal uncertainty (meter) 770.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 70
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.15288
Epicentral distance of station farthest from the epicenter (degree) 0.43347
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 7
Type of magnitude ML
Reference to an origin 18692301
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-25 23:18:47

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 18527801
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2015-04-19 04:27:34
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MTRZ.HHE. 2015-04-19T03:57:43.05 0.6 undecidable manual S 69 43.9227 109 -0.03 48
GU.SARM.HHZ. 2015-04-19T03:57:42.07 0.3 undecidable manual S 272 40.5261 111 -0.16 70
MN.VLC.HHZ. 2015-04-19T03:57:42.40 0.3 undecidable manual S 268 41.625 110 -0.12 71
GU.CARD.HHZ. 2015-04-19T03:57:41.77 0.3 undecidable manual S 245 37.629 112 0.25 70
IV.BDI.HHZ. 2015-04-19T03:57:39.07 0.3 undecidable manual S 244 27.6501 121 -0.06 74
IV.ZCCA.HHZ. 2015-04-19T03:57:38.00 0.1 undecidable manual S 15 20.6682 131 0.38 94
IV.MTRZ.HHE. 2015-04-19T03:57:37.82 0.3 undecidable manual P 69 43.9227 109 0.94 55
IV.ERBM.EHE. 2015-04-19T03:57:37.43 0.1 undecidable manual P 305 48.1185 107 -0.08 94
IV.MTCR.EHZ. 2015-04-19T03:57:37.02 0.3 undecidable manual S 155 17.4714 136 0.02 75
GU.POPM.HHZ. 2015-04-19T03:57:37.25 0.1 undecidable manual S 221 18.4704 134 0.06 100
GU.SARM.HHZ. 2015-04-19T03:57:36.39 0.1 undecidable manual P 272 40.5261 111 0 97
IV.FNVD.HHZ. 2015-04-19T03:57:36.49 0.6 undecidable manual S 91 16.9719 137 -0.42 47
MN.VLC.HHZ. 2015-04-19T03:57:36.62 0.3 undecidable manual P 268 41.625 110 0.06 73
GU.CARD.HHZ. 2015-04-19T03:57:35.88 0.6 undecidable manual P 245 37.629 112 -0.1 48
IV.BDI.HHZ. 2015-04-19T03:57:34.59 0.1 undecidable manual P 244 27.6501 121 -0.01 99
IV.MTCR.EHZ. 2015-04-19T03:57:33.52 0.3 undecidable manual P 155 17.4714 136 0.15 74
GU.POPM.HHZ. 2015-04-19T03:57:33.57 0.1 undecidable manual P 221 18.4704 134 0.09 100
IV.ZCCA.HHZ. 2015-04-19T03:57:33.36 0.1 positive manual P 15 20.6682 131 -0.37 93
IV.FNVD.HHZ. 2015-04-19T03:57:32.68 0.3 undecidable manual P 91 16.9719 137 -0.64 65
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.BDI.HHE. ML:1.5 0.00011899999999999999 1.22 AML other m 2015-04-19T03:57:39.82
IV.BDI.HHN. ML:1.7 0.000213 0.4 AML other m 2015-04-19T03:57:39.67
GU.CARD.HHN. ML:1.6 0.0001185 0.44 AML other m 2015-04-19T03:57:42.57
GU.CARD.HHE. ML:1.7 0.000166 0.12 AML other m 2015-04-19T03:57:43.27
IV.FNVD.HHN. ML:1.7 0.000264 0.48 AML other m 2015-04-19T03:57:36.30
IV.FNVD.HHE. ML:1.6 0.00022849999999999997 1.26 AML other m 2015-04-19T03:57:37.15
GU.POPM.HHE. ML:2.1 0.000679 0.18 AML other m 2015-04-19T03:57:37.68
GU.POPM.HHN. ML:2.1 0.0007145000000000001 0.14 AML other m 2015-04-19T03:57:37.42
GU.SARM.HHN. ML:1.7 0.000157 0.5 AML other m 2015-04-19T03:57:42.44
GU.SARM.HHE. ML:1.3 0.00006445000000000001 0.24 AML other m 2015-04-19T03:57:42.56
MN.VLC.HHN. ML:1.8 0.0001965 0.36 AML other m 2015-04-19T03:57:43.06
MN.VLC.HHE. ML:1.8 0.0002 0.22 AML other m 2015-04-19T03:57:43.13
IV.ZCCA.HHE. ML:1.6 0.0001875 0.94 AML other m 2015-04-19T03:57:38.96
IV.ZCCA.HHN. ML:1.7 0.000257 1.5 AML other m 2015-04-19T03:57:39.10
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