Earthquake with magnitude of ML 1.8 on date 28-07-2006 and time 14:57:55 (UTC) in region 2 km SW Priolo Gargallo (SR)

A magnitude ML 1.8 earthquake occured in region: 2 km SW Priolo Gargallo (SR), on

  • 28-07-2006 14:57:55 (UTC)
  • 28-07-2006 16:57:55 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.1490, 15.1730 at 8 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
Priolo Gargallo SR 2 12091 12091
Melilli SR 5 13621 25712
Solarino SR 7 8091 33803
Floridia SR 8 22762 56565
Augusta SR 10 36305 92870
Sortino SR 13 8690 101560
Siracusa SR 15 122291 223851
Canicattini Bagni SR 16 7109 230960
Carlentini SR 20 17798 248758

Municipalities with at least 50000 inhabitants

An earthquake occurred to
15 Km NW of Siracusa (122291 inhabitants)
40 Km S of Catania (314555 inhabitants)
46 Km NE of Ragusa (73313 inhabitants)
49 Km NE of Modica (54633 inhabitants)
52 Km S of Acireale (52622 inhabitants)
61 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 1.8
2006-07-28
14:57:55
37.149 15.173 8 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 582939
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2006-07-28 14:57:55 ± 0.32
Latitude 37.1490 ± 0.0081
Longitude 15.1730 ± 0.0158
Depth (km) 8 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 582939

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1266
Semi-minor axis of confidence ellipse (meter) 905
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 253
Circular confidence region, given by single value of horizontal uncertainty (meter) 1664.3
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 10
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.36
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.20235
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 5
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 582939
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 11:09:58

Md:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 582939
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 11:09:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HAVL.BHN. 2006-07-28T14:58:04.49 0.3 undecidable manual Sg 192 21.5673 0.544 34
I1.HAGA.BHZ. 2006-07-28T14:58:02.28 0.1 undecidable manual Sg 354 15.1737 0.365 47
IV.AGST.SHZ. 2006-07-28T14:58:01.31 0.3 undecidable manual Sg 22 12.7761 0.094 38
IV.PZI.SHZ. 2006-07-28T14:58:00.99 0.1 undecidable manual Pg 243 22.4553 0.237 96
IV.SSY.BHZ. 2006-07-28T14:58:00.03 0.3 undecidable manual Sg 276 8.88 -0.073 38
IV.HAVL.BHN. 2006-07-28T14:58:00.39 0.1 undecidable manual Pg 192 21.5673 -0.191 97
I1.HAGA.BHZ. 2006-07-28T14:57:59.46 0.3 undecidable manual Pg 354 15.1737 0.05 76
IV.SSY.BHZ. 2006-07-28T14:57:58.04 0.1 undecidable manual Pg 276 8.88 -0.325 97
IV.AGST.SHZ. 2006-07-28T14:57:58.88 0.1 undecidable manual Pg 22 12.7761 -0.127 100
IV.ATN.SHZ. 2006-07-28T14:57:44.95 10.0 undecidable manual Pg 0 0 0
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download