Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 11-07-2006 and time 10:09:02 (UTC) in region 3 km SW Priolo Gargallo (SR)

A magnitude ML 1.9 earthquake occured in region: 3 km SW Priolo Gargallo (SR), on

  • 11-07-2006 10:09:02 (UTC)
  • 11-07-2006 12:09:02 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.1390, 15.1680 at 5 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
Priolo Gargallo SR 3 12091 12091
Melilli SR 6 13621 25712
Solarino SR 6 8091 33803
Floridia SR 6 22762 56565
Augusta SR 11 36305 92870
Sortino SR 12 8690 101560
Siracusa SR 14 122291 223851
Canicattini Bagni SR 15 7109 230960
Cassaro SR 20 821 231781

Municipalities with at least 50000 inhabitants

An earthquake occurred to
14 Km NW of Siracusa (122291 inhabitants)
41 Km S of Catania (314555 inhabitants)
45 Km NE of Ragusa (73313 inhabitants)
48 Km NE of Modica (54633 inhabitants)
53 Km S of Acireale (52622 inhabitants)
60 Km E of Vittoria (63339 inhabitants)
82 Km E 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 2.0
ML 1.9 		2006-07-11
10:09:02		 37.139 15.168 5 2014-10-21
12:27:13		 Bollettino Sismico Italiano INGV 579649
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2006-07-11 10:09:02 ± 0.1
Latitude 37.1390 ± 0.0045
Longitude 15.1680 ± 0.0079
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 579649

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 789
Semi-minor axis of confidence ellipse (meter) 368
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 64
Circular confidence region, given by single value of horizontal uncertainty (meter) 860.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 170
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.19425
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 5
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.4
Num. used stations
Type of magnitude ML
Reference to an origin 579649
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 11:06:33

Md:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 579649
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 11:06:33
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
MN.TUE.HHN. 2006-07-11T10:09:44.47 10.0 undecidable manual Pg 0 0 0
IV.CTI.EHZ. 2006-07-11T10:09:39.77 10.0 undecidable manual Pg 0 0 0
IV.MDI.HHZ. 2006-07-11T10:09:39.66 10.0 undecidable manual Pg 0 0 0
IV.MABI.HHZ. 2006-07-11T10:09:38.75 10.0 undecidable manual Sg 0 0 0
IV.MABI.HHZ. 2006-07-11T10:09:31.22 10.0 undecidable manual Pg 0 0 0
IV.MAGA.BHE. 2006-07-11T10:09:31.83 10.0 undecidable manual Sg 0 0 0
IV.SAL.SHZ. 2006-07-11T10:09:26.34 10.0 undecidable manual Sg 0 0 0
IV.SALO.HHZ. 2006-07-11T10:09:26.71 10.0 undecidable manual Sg 0 0 0
IV.MAGA.BHE. 2006-07-11T10:09:25.67 10.0 undecidable manual Pg 0 0 0
IV.SALO.HHZ. 2006-07-11T10:09:23.19 10.0 undecidable manual Pg 0 0 0
IV.SAL.SHZ. 2006-07-11T10:09:18.90 10.0 undecidable manual Pg 0 0 0
IV.ORI.SHZ. 2006-07-11T10:09:10.42 10.0 undecidable manual Pg 0 0 0
I1.HAGA.BHN. 2006-07-11T10:09:08.96 0.1 undecidable manual Sg 356 16.1727 0.112 50
IV.AGST.SHZ. 2006-07-11T10:09:08.13 0.1 undecidable manual Sg 22 13.9749 0.003 51
IV.PZI.SHZ. 2006-07-11T10:09:07.60 0.1 undecidable manual Pg 245 21.5673 0.203 97
IV.HAVL.BHZ. 2006-07-11T10:09:07.10 0.1 undecidable manual Pg 192 20.3685 -0.067 100
IV.AGST.SHZ. 2006-07-11T10:09:06.10 0.1 undecidable manual Pg 22 13.9749 0.155 99
I1.HAGA.BHN. 2006-07-11T10:09:06.16 0.1 undecidable manual Pg 356 16.1727 -0.203 98
IV.SSY.BHZ. 2006-07-11T10:09:06.52 0.3 undecidable manual Sg 284 8.5803 0.103 38
IV.SSY.BHZ. 2006-07-11T10:09:04.77 0.1 undecidable manual Pg 284 8.5803 -0.19 100
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