Earthquake with magnitude of ML 1.5 on date 13-10-2019 and time 20:53:22 (Italy) in region 3 km E Niscemi (CL)

A magnitude ML 1.5 earthquake occured in region: 3 km E Niscemi (CL), on

  • 13-10-2019 18:53:22 (UTC)
  • 13-10-2019 20:53:22 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.1380, 14.4220 at 30 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Niscemi CL 3 27558 27558
Caltagirone CT 14 38686 66244
Mazzarrone CT 14 4078 70322
Acate RG 14 10954 81276
San Michele di Ganzaria CT 16 3245 84521
Gela CL 17 75827 160348
San Cono CT 18 2697 163045

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km NE of Gela (75827 inhabitants)
23 Km NW of Vittoria (63339 inhabitants)
36 Km NW of Ragusa (73313 inhabitants)
43 Km NW of Modica (54633 inhabitants)
51 Km SE of Caltanissetta (63360 inhabitants)
72 Km SW of Catania (314555 inhabitants)
77 Km E of Agrigento (59770 inhabitants)
78 Km W of Siracusa (122291 inhabitants)
84 Km SW of Acireale (52622 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 1.5 2019-10-13
18:53:22
37.1385 14.4222 31 2020-02-28
16:42:13
Bollettino Sismico Italiano INGV 74575561
Reviewed
Rev100
ML 1.4 2019-10-13
18:53:22
37.1457 14.4112 24 2019-10-13
19:06:57
Sala Sismica INGV-Roma 73237881
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-10-13 18:53:22 ± 0.32
Latitude 37.1385 ± 0.0135
Longitude 14.4222 ± 0.0135
Depth (km) 31 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 74575561

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1566
Semi-minor axis of confidence ellipse (meter) 634
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 13
Circular confidence region, given by single value of horizontal uncertainty (meter) 1570.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 122
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) 0.44
Epicentral distance of station closest to the epicenter (degree) 0.09623
Epicentral distance of station farthest from the epicenter (degree) 0.65291
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:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 74575561
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-12-12 10:46:30

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 73237881
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-10-13 19:06:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HPAC.HHE. 2019-10-13T18:53:46.04 0.6 undecidable manual S 131 72.4719 108 0.99 37
IV.HAGA.HHZ. 2019-10-13T18:53:43.83 0.6 undecidable manual S 76 66.7776 109 0.22 48
IV.SSY.HHZ. 2019-10-13T18:53:42.17 0.3 undecidable manual S 88 57.6978 113 0.83 61
IV.ISPIC.EHZ. 2019-10-13T18:53:41.99 0.6 undecidable manual S 133 58.2972 112 0.5 46
IV.CLTA.HHE. 2019-10-13T18:53:38.85 0.6 undecidable manual S 273 40.7259 122 1.54 26
IV.HLNI.HHZ. 2019-10-13T18:53:38.51 0.6 undecidable manual S 59 46.0206 118 -0.03 50
IV.HPAC.HHE. 2019-10-13T18:53:35.14 0.3 undecidable manual P 131 72.4719 108 -0.35 68
IV.HVZN.HNZ. 2019-10-13T18:53:34.29 0.6 undecidable manual S 80 26.3514 135 0 52
IV.HAGA.HHZ. 2019-10-13T18:53:34.32 0.3 undecidable manual P 76 66.7776 109 -0.34 69
IV.SSY.HHZ. 2019-10-13T18:53:33.38 0.1 undecidable manual P 88 57.6978 113 0.04 100
IV.ISPIC.EHZ. 2019-10-13T18:53:33.28 0.1 undecidable manual P 133 58.2972 112 -0.16 97
IV.ACATE.HNZ. 2019-10-13T18:53:32.07 0.3 undecidable manual S 151 14.4744 152 -0.34 76
IV.RAFF.HHZ. 2019-10-13T18:53:32.15 0.3 undecidable manual S 331 10.6782 159 0.16 78
IV.HLNI.HHZ. 2019-10-13T18:53:31.28 0.1 undecidable manual P 59 46.0206 118 -0.45 93
IV.CPTP.HHZ. 2019-10-13T18:53:31.51 0.1 undecidable manual P 323 37.629 124 0.89 77
IV.CLTA.HHE. 2019-10-13T18:53:30.87 0.3 undecidable manual P 273 40.7259 122 -0.15 77
IV.HVZN.HNZ. 2019-10-13T18:53:28.98 0.3 undecidable manual P 80 26.3514 135 -0.3 75
IV.RAFF.HHZ. 2019-10-13T18:53:27.42 0.1 positive manual P 331 10.6782 159 -0.53 99
IV.ACATE.HNZ. 2019-10-13T18:53:27.61 0.3 undecidable manual P 151 14.4744 152 -0.58 71
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RAFF.HHN. ML:1.4 0.00011247804999999999 0.2816 AML other m 2019-10-13T18:53:32.39
IV.RAFF.HHE. ML:1.5 0.00015236525 0.2944 AML other m 2019-10-13T18:53:32.41
IV.HLNI.HHN. ML:1.3 0.000042513245 0.0896 AML other m 2019-10-13T18:53:38.73
IV.HLNI.HHE. ML:1.1 0.000028448475000000002 0.1024 AML other m 2019-10-13T18:53:38.97
IV.SSY.HHE. ML:1.9 0.00013744335000000002 0.1152 AML other m 2019-10-13T18:53:43.22
IV.SSY.HHN. ML:2.1 0.0002138262 1.8592 AML other m 2019-10-13T18:53:44.04
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