Earthquake with magnitude of ML 2.4 on date 04-04-2014 and time 19:29:07 (Italy) in region 6 km E Niscemi (CL)

A magnitude ML 2.4 earthquake occured in region: 6 km E Niscemi (CL), on

  • 04-04-2014 17:29:07 (UTC)
  • 04-04-2014 19:29:07 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.1690, 14.4470 at 27 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 6 27558 27558
Caltagirone CT 10 38686 66244
San Michele di Ganzaria CT 13 3245 69489
Mazzarrone CT 14 4078 73567
San Cono CT 15 2697 76264
Acate RG 16 10954 87218
Mirabella Imbaccari CT 17 4912 92130
Grammichele CT 18 13418 105548

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km NE of Gela (75827 inhabitants)
26 Km NW of Vittoria (63339 inhabitants)
37 Km NW of Ragusa (73313 inhabitants)
44 Km NW of Modica (54633 inhabitants)
50 Km SE of Caltanissetta (63360 inhabitants)
68 Km SW of Catania (314555 inhabitants)
76 Km W of Siracusa (122291 inhabitants)
78 Km E of Agrigento (59770 inhabitants)
81 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 2.4 2014-04-04
17:29:07
37.1693 14.4468 27 2015-09-21
09:36:10
Bollettino Sismico Italiano INGV 8720841
Reviewed
Rev100
ML 2.4 2014-04-04
17:29:07
37.1502 14.4858 28 2014-10-21
12:08:56
Sala Sismica INGV-Roma 6067211
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2014-04-04 17:29:07 ± 0.25
Latitude 37.1693 ± 0.0135
Longitude 14.4468 ± 0.0124
Depth (km) 27 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 8720841

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1376
Semi-minor axis of confidence ellipse (meter) 868
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 326
Circular confidence region, given by single value of horizontal uncertainty (meter) 1380.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 154
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.34
Epicentral distance of station closest to the epicenter (degree) 0.05576
Epicentral distance of station farthest from the epicenter (degree) 0.65920
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:2.4

Field Value
Value 2.4
Uncertainty 0.3
Num. used stations 3
Type of magnitude ML
Reference to an origin 6067211
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2014-04-04 17:34:56

ML:2.4

Field Value
Value 2.4
Uncertainty 0.3
Num. used stations 3
Type of magnitude ML
Reference to an origin 8720841
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2014-10-06 08:26:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HPAC.HHZ. 2014-04-04T17:29:29.69 0.1 undecidable manual S 134 73.1712 105 0.06 88
IV.HAGA.HHZ. 2014-04-04T17:29:27.44 0.1 undecidable manual S 78 63.8916 107 0.2 89
IV.HAVL.HHZ. 2014-04-04T17:29:27.25 0.1 undecidable manual S 111 64.0914 107 -0.06 91
IV.SSY.HHZ. 2014-04-04T17:29:25.62 0.1 undecidable manual S 91 55.4001 110 0.51 84
IV.HCRL.HHZ. 2014-04-04T17:29:25.06 0.1 undecidable manual S 76 53.2023 111 0.5 85
IV.HLNI.HHZ. 2014-04-04T17:29:21.77 0.1 undecidable manual S 62 42.5241 117 -0.16 91
IV.HPAC.HHZ. 2014-04-04T17:29:19.79 0.1 undecidable manual P 134 73.1712 105 -0.31 86
IV.HAVL.HHZ. 2014-04-04T17:29:18.61 0.1 undecidable manual P 111 64.0914 107 -0.15 90
IV.HAGA.HHZ. 2014-04-04T17:29:18.47 0.1 undecidable manual P 78 63.8916 107 -0.25 87
IV.HCRL.HHZ. 2014-04-04T17:29:17.06 0.1 undecidable manual P 76 53.2023 111 -0.12 91
IV.HVZN.HHZ. 2014-04-04T17:29:17.58 0.1 undecidable manual S 88 23.754 134 -0.24 94
IV.SSY.HHZ. 2014-04-04T17:29:17.47 0.1 undecidable manual P 91 55.4001 110 -0.02 93
IV.CLTA.HHZ. 2014-04-04T17:29:16.60 0.1 undecidable manual P 268 42.9237 116 0.89 73
IV.HLNI.HHZ. 2014-04-04T17:29:15.49 0.1 undecidable manual P 62 42.5241 117 -0.17 92
IV.HBSP.HHZ. 2014-04-04T17:29:15.49 0.1 undecidable manual S 140 6.1938 166 0.08 100
IV.HVZN.HHZ. 2014-04-04T17:29:13.04 0.1 undecidable manual P 88 23.754 134 -0.24 94
IV.HBSP.HHZ. 2014-04-04T17:29:11.52 0.1 undecidable manual P 140 6.1938 166 -0.37 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.HAVL.HHN. ML:2.5 0.0005465 1.32 AML other m 2014-04-04T17:29:31.35
IV.HAVL.HHE. ML:2.5 0.00048750000000000003 1.46 AML other m 2014-04-04T17:29:34.55
IV.HLNI.HHN. ML:1.8 0.0001725 0.96 AML other m 2014-04-04T17:29:22.57
IV.HLNI.HHE. ML:1.8 0.0001705 1.58 AML other m 2014-04-04T17:29:58.57
IV.HVZN.HHN. ML:2.7 0.001935 1.4 AML other m 2014-04-04T17:29:17.99
IV.HVZN.HHE. ML:2.6 0.00155 0.96 AML other m 2014-04-04T17:29:18.16
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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