Earthquake with magnitude of ML 1.9 on date 01-08-2006 and time 10:00:47 (UTC) in region Costa Siracusana (Siracusa)

A magnitude ML 1.9 earthquake occured in region: Costa Siracusana (Siracusa), on

  • 01-08-2006 10:00:47 (UTC)
  • 01-08-2006 12:00:47 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.1720, 15.2080 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.

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
Augusta SR 7 36305 48396
Melilli SR 7 13621 62017
Floridia SR 11 22762 84779
Solarino SR 11 8091 92870
Siracusa SR 15 122291 215161
Sortino SR 16 8690 223851
Canicattini Bagni SR 20 7109 230960

Municipalities with at least 50000 inhabitants

An earthquake occurred to
15 Km NW of Siracusa (122291 inhabitants)
38 Km S of Catania (314555 inhabitants)
49 Km S of Acireale (52622 inhabitants)
50 Km NE of Ragusa (73313 inhabitants)
53 Km NE of Modica (54633 inhabitants)
64 Km E of Vittoria (63339 inhabitants)
86 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 1.9
ML 1.9
2006-08-01
10:00:47
37.172 15.208 5 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 583899
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2006-08-01 10:00:47 ± 0.24
Latitude 37.1720 ± 0.0072
Longitude 15.2080 ± 0.0113
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 583899

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1211
Semi-minor axis of confidence ellipse (meter) 474
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 127
Circular confidence region, given by single value of horizontal uncertainty (meter) 1280.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 295
Number of associated phases, regardless of their use for origin computation 5
Number of defining phases 5
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.13
Epicentral distance of station closest to the epicenter (degree) 0.10792
Epicentral distance of station farthest from the epicenter (degree) 0.23652
Number of stations at which the event was observed 3
Number of stations from which data was used for origin computation 3
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.4
Num. used stations
Type of magnitude ML
Reference to an origin 583899
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 11:10:57

Md:1.9

Field Value
Value 1.9
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 583899
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 11:10:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HAVL.BHN. 2006-08-01T10:00:55.84 0.3 undecidable manual Sg 198 24.753 -0.111 37
IV.HAVL.BHN. 2006-08-01T10:00:52.30 0.1 undecidable manual Pg 198 24.753 0.047 99
IV.PZI.SHZ. 2006-08-01T10:00:52.65 0.3 undecidable manual Pg 241 26.2515 0.083 73
IV.SSY.BHE. 2006-08-01T10:00:51.76 0.3 undecidable manual Sg 263 11.9769 0.062 38
IV.SSY.BHE. 2006-08-01T10:00:49.71 0.1 undecidable manual Pg 263 11.9769 -0.089 100
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