Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.5 on date 19-12-2006 and time 14:50:41 (UTC) in region 6 km E Bronte (CT)

A magnitude ML 2.5 earthquake occured in region: 6 km E Bronte (CT), on

  • 19-12-2006 14:50:41 (UTC)
  • 19-12-2006 15:50:41 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.7830, 14.8980 at 32 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
Bronte CT 6 19172 19172
Maletto CT 6 3920 23092
Randazzo CT 12 10900 33992
Maniace CT 12 3765 37757
Adrano CT 15 36122 73879
Biancavilla CT 16 24007 97886
Santa Domenica Vittoria ME 16 980 98866
Ragalna CT 17 3924 102790
Cesarò ME 18 2439 105229
Santa Maria di Licodia CT 18 7641 112870
Moio Alcantara ME 19 717 113587
San Teodoro ME 19 1403 114990
Roccella Valdemone ME 20 666 115656

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km NW of Acireale (52622 inhabitants)
35 Km NW of Catania (314555 inhabitants)
74 Km SW of Messina (238439 inhabitants)
75 Km SW of Reggio di Calabria (183035 inhabitants)
80 Km E of Caltanissetta (63360 inhabitants)
88 Km NW of Siracusa (122291 inhabitants)
96 Km N of Ragusa (73313 inhabitants)
98 Km NE of Vittoria (63339 inhabitants)
98 Km NE of Gela (75827 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 2.3
ML 2.5 		2006-12-19
14:50:41		 37.783 14.898 32 2014-10-21
12:27:13		 Bollettino Sismico Italiano INGV 606289
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2006-12-19 14:50:41 ± 0.3
Latitude 37.7830 ± 0.0117
Longitude 14.8980 ± 0.0159
Depth (km) 32 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 606289

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1359
Semi-minor axis of confidence ellipse (meter) 853
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 256
Circular confidence region, given by single value of horizontal uncertainty (meter) 1910.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 108
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) 0.56
Epicentral distance of station closest to the epicenter (degree) 0.10792
Epicentral distance of station farthest from the epicenter (degree) 0.84177
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:2.5

Field Value
Value 2.5
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 606289
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 11:34:30

Md:2.3

Field Value
Value 2.3
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 606289
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 11:34:30
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HAVL.BHE. 2006-12-19T14:51:09.72 0.3 undecidable manual Sg 168 93.4398 0.271 32
IV.SSY.BHZ. 2006-12-19T14:51:04.28 0.3 undecidable manual Sg 167 71.0733 0.562 31
IV.HVZN.BHZ. 2006-12-19T14:51:03.95 0.3 undecidable manual Sg 194 68.8755 0.758 29
IV.AGST.SHE. 2006-12-19T14:51:02.35 0.3 undecidable manual Sg 153 65.1903 0.106 35
I1.HAGA.BHZ. 2006-12-19T14:51:00.86 0.3 undecidable manual Sg 158 59.6958 -0.024 36
IV.HAVL.BHE. 2006-12-19T14:50:57.36 0.1 undecidable manual Pg 168 93.4398 -0.222 88
IV.MMME.BHZ. 2006-12-19T14:50:56.56 0.3 undecidable manual Sg 61 35.4423 1.292 24
IV.GIB.EHZ. 2006-12-19T14:50:56.78 0.3 undecidable manual Pg 287 79.6647 1.234 48
IV.PZI.SHZ. 2006-12-19T14:50:55.70 0.1 undecidable manual Pg 177 80.5638 0.022 93
IV.SSY.BHZ. 2006-12-19T14:50:54.18 0.1 undecidable manual Pg 167 71.0733 -0.095 95
IV.GALF.HHZ. 2006-12-19T14:50:54.41 0.3 undecidable manual Sg 255 30.1476 0.241 37
IV.AGST.SHE. 2006-12-19T14:50:53.27 0.1 negative manual Pg 153 65.1903 -0.154 95
IV.HVZN.BHZ. 2006-12-19T14:50:53.98 0.1 undecidable manual Pg 194 68.8755 0.011 96
I1.HAGA.BHZ. 2006-12-19T14:50:52.43 0.1 negative manual Pg 158 59.6958 -0.207 95
IV.ESLN.BHZ. 2006-12-19T14:50:51.21 0.6 undecidable manual Sg 146 11.9769 -0.117 26
IV.MMME.BHZ. 2006-12-19T14:50:49.50 0.1 positive manual Pg 61 35.4423 0.106 100
IV.GALF.HHZ. 2006-12-19T14:50:48.54 0.1 positive manual Pg 255 30.1476 -0.221 98
IV.MNO.SHZ. 2006-12-19T14:50:47.73 0.1 undecidable manual Pg 313 24.2535 -0.393 95
IV.ESLN.BHZ. 2006-12-19T14:50:46.75 0.1 undecidable manual Pg 146 11.9769 -0.37 99
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