Earthquake with magnitude of ML 1.7 on date 23-07-2007 and time 20:12:27 (Italy) in region 4 km W Licodia Eubea (CT)

A magnitude ML 1.7 earthquake occured in region: 4 km W Licodia Eubea (CT), on

  • 23-07-2007 18:12:27 (UTC)
  • 23-07-2007 20:12:27 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.1710, 14.6670 at 20 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
Licodia Eubea CT 4 3081 3081
Grammichele CT 6 13418 16499
Vizzini CT 7 6241 22740
Mineo CT 11 5159 27899
Monterosso Almo RG 12 3032 30931
Mazzarrone CT 13 4078 35009
Caltagirone CT 16 38686 73695
Chiaramonte Gulfi RG 16 8238 81933
Militello in Val di Catania CT 16 7443 89376
Buccheri SR 17 1999 91375
Giarratana RG 18 3048 94423
Palagonia CT 19 16608 111031

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km NE of Vittoria (63339 inhabitants)
28 Km N of Ragusa (73313 inhabitants)
36 Km N of Modica (54633 inhabitants)
39 Km E of Gela (75827 inhabitants)
53 Km SW of Catania (314555 inhabitants)
57 Km W of Siracusa (122291 inhabitants)
64 Km SE of Caltanissetta (63360 inhabitants)
66 Km SW of Acireale (52622 inhabitants)
97 Km E of Agrigento (59770 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 1.7
2007-07-23
18:12:27
37.171 14.667 20 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 643079
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2007-07-23 18:12:27 ± 0.32
Latitude 37.1710 ± 0.0261
Longitude 14.6670 ± 0.0147
Depth (km) 20 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 643079

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2739
Semi-minor axis of confidence ellipse (meter) 1281
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 4
Circular confidence region, given by single value of horizontal uncertainty (meter) 3178.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 162
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 8
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) 0.41998
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 4
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 643079
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 12:13:40

Md:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 643079
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 12:13:40
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LVI.SHZ. 2007-07-23T18:12:51.25 10.0 undecidable manual Pg 0 0 0
IV.HAVL.BHN. 2007-07-23T18:12:43.54 0.1 undecidable manual Sg 120 46.62 0.334 45
IV.SSY.BHN. 2007-07-23T18:12:40.97 0.1 undecidable manual Sg 92 36.0417 0.457 45
IV.RAFF.HHZ. 2007-07-23T18:12:38.29 0.6 undecidable manual Sg 282 27.4503 -0.146 24
IV.HAVL.BHN. 2007-07-23T18:12:36.50 0.1 undecidable manual Pg 120 46.62 -0.265 91
IV.SSY.BHN. 2007-07-23T18:12:35.09 0.1 positive manual Pg 92 36.0417 -0.117 95
IV.RAFF.HHZ. 2007-07-23T18:12:34.27 0.1 positive manual Pg 282 27.4503 0.262 94
IV.HVZN.BHZ. 2007-07-23T18:12:34.36 0.1 undecidable manual Sg 79 4.3956 -0.084 51
IV.HVZN.BHZ. 2007-07-23T18:12:31.54 0.1 positive manual Pg 79 4.3956 -0.168 100
IV.MSI.SHZ. 2007-07-23T18:12:25.53 10.0 undecidable manual Pg 0 0 0
IV.MPAZ.BHN. 2007-07-23T18:12:17.23 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