Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Md 1.8 on date 16-01-2014 and time 04:33:08 (Italy) in region 4 km E Piazza Armerina (EN)

A magnitude Md 1.8 earthquake occured in region: 4 km E Piazza Armerina (EN), on

  • 16-01-2014 03:33:08 (UTC)
  • 16-01-2014 04:33:08 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.3750, 14.4090 at 24 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
Piazza Armerina EN 4 21886 21886
Aidone EN 6 4889 26775
Mirabella Imbaccari CT 6 4912 31687
San Cono CT 10 2697 34384
San Michele di Ganzaria CT 11 3245 37629
Valguarnera Caropepe EN 14 7866 45495
Raddusa CT 16 3178 48673
Caltagirone CT 18 38686 87359
Barrafranca EN 18 13380 100739
Mazzarino CL 19 12145 112884

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km E of Caltanissetta (63360 inhabitants)
37 Km NE of Gela (75827 inhabitants)
49 Km N of Vittoria (63339 inhabitants)
58 Km NW of Ragusa (73313 inhabitants)
62 Km W of Catania (314555 inhabitants)
65 Km NW of Modica (54633 inhabitants)
72 Km W of Acireale (52622 inhabitants)
73 Km E of Agrigento (59770 inhabitants)
86 Km W of Siracusa (122291 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 		Md 1.8 2014-01-16
03:33:08		 37.375 14.4087 24 2015-09-21
09:33:08		 Bollettino Sismico Italiano INGV 6787461
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2014-01-16 03:33:08 ± 0.12
Latitude 37.3750 ± 0.0045
Longitude 14.4087 ± 0.0068
Depth (km) 24 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 6787461

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 571
Semi-minor axis of confidence ellipse (meter) 324
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 73
Circular confidence region, given by single value of horizontal uncertainty (meter) 570.0
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 22
Number of defining phases 22
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) 0.25631
Epicentral distance of station farthest from the epicenter (degree) 0.83367
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitude information

Md:1.8

Field Value
Value 1.8
Uncertainty 0.1
Num. used stations 3
Type of magnitude Md
Reference to an origin 6787461
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2014-12-22 06:02:52
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HPAC.HHZ. 2014-01-16T03:33:35.82 0.3 undecidable manual S 143 92.5407 99 0.21 67
IV.HAVL.HHZ. 2014-01-16T03:33:31.94 0.3 undecidable manual S 126 78.0663 101 0.12 70
IV.AGST.EHZ. 2014-01-16T03:33:30.69 0.3 undecidable manual S 100 73.371 102 0.11 71
IV.SSY.HHZ. 2014-01-16T03:33:28.57 0.3 undecidable manual S 112 63.492 104 0.57 65
IV.HCRL.HHZ. 2014-01-16T03:33:26.40 0.3 undecidable manual S 100 55.9995 106 0.33 70
IV.HMDC.HHZ. 2014-01-16T03:33:26.70 0.3 undecidable manual S 144 56.7987 106 0.42 69
IV.HPAC.HHZ. 2014-01-16T03:33:23.83 0.3 undecidable manual P 143 92.5407 99 -0.18 68
IV.CLTA.HHE. 2014-01-16T03:33:23.71 0.3 undecidable manual S 239 46.2204 110 0.11 74
IV.MEU.SHZ. 2014-01-16T03:33:23.72 0.3 undecidable manual S 128 47.3193 110 -0.17 74
IV.HLNI.HHZ. 2014-01-16T03:33:22.41 0.3 undecidable manual S 94 40.9257 113 0.11 75
IV.GALF.HHZ. 2014-01-16T03:33:21.96 0.3 undecidable manual S 20 39.7269 114 -0.04 77
IV.HAVL.HHZ. 2014-01-16T03:33:21.83 0.1 undecidable manual P 126 78.0663 101 0.01 96
IV.AGST.EHZ. 2014-01-16T03:33:20.67 0.1 undecidable manual P 100 73.371 102 -0.44 89
IV.SSY.HHZ. 2014-01-16T03:33:19.48 0.3 undecidable manual P 112 63.492 104 -0.14 73
IV.HBSP.HHZ. 2014-01-16T03:33:19.05 0.3 undecidable manual S 165 28.4493 124 -0.32 74
IV.HMDC.HHZ. 2014-01-16T03:33:18.37 0.1 undecidable manual P 144 56.7987 106 -0.26 96
IV.HCRL.HHZ. 2014-01-16T03:33:18.34 0.6 undecidable manual P 100 55.9995 106 -0.17 49
IV.CLTA.HHE. 2014-01-16T03:33:17.27 0.1 undecidable manual P 239 46.2204 110 0.19 98
IV.MEU.SHZ. 2014-01-16T03:33:17.12 0.1 undecidable manual P 128 47.3193 110 -0.12 100
IV.HLNI.HHZ. 2014-01-16T03:33:16.09 0.1 positive manual P 94 40.9257 113 -0.24 99
IV.GALF.HHZ. 2014-01-16T03:33:16.38 0.3 undecidable manual P 20 39.7269 114 0.22 73
IV.HBSP.HHZ. 2014-01-16T03:33:14.67 0.3 undecidable manual P 165 28.4493 124 0.04 78
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