Earthquake with magnitude of ML 1.7 on date 23-09-2006 and time 11:52:22 (Italy) in region 11 km N Lentini (SR)

A magnitude ML 1.7 earthquake occured in region: 11 km N Lentini (SR), on

  • 23-09-2006 09:52:22 (UTC)
  • 23-09-2006 11:52:22 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.3780, 14.9670 at 2 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
Lentini SR 11 24085 24085
Carlentini SR 12 17798 41883
Scordia CT 14 17095 58978
Motta Sant'Anastasia CT 15 12116 71094
Misterbianco CT 16 49410 120504
Catania CT 18 314555 435059
Francofonte SR 18 12800 447859
Militello in Val di Catania CT 19 7443 455302

Municipalities with at least 50000 inhabitants

An earthquake occurred to
18 Km SW of Catania (314555 inhabitants)
32 Km SW of Acireale (52622 inhabitants)
46 Km NW of Siracusa (122291 inhabitants)
54 Km NE of Ragusa (73313 inhabitants)
60 Km N of Modica (54633 inhabitants)
61 Km NE of Vittoria (63339 inhabitants)
72 Km NE of Gela (75827 inhabitants)
81 Km E of Caltanissetta (63360 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 2.2
ML 1.7
2006-09-23
09:52:22
37.378 14.967 2 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 593529
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2006-09-23 09:52:22 ± 0.3
Latitude 37.3780 ± 0.0162
Longitude 14.9670 ± 0.0079
Depth (km) 2 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 593529

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1946
Semi-minor axis of confidence ellipse (meter) 28
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 272
Circular confidence region, given by single value of horizontal uncertainty (meter) 1931.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 255
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 7
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.32
Epicentral distance of station closest to the epicenter (degree) 0.17627
Epicentral distance of station farthest from the epicenter (degree) 0.28239
Number of stations at which the event was observed 4
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 593529
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 11:21:03

Md:2.2

Field Value
Value 2.2
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 593529
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 11:21:03
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.AGST.SHN. 2006-09-23T09:52:32.02 0.3 undecidable manual Sg 120 26.5512 0.44 34
IV.SSY.BHZ. 2006-09-23T09:52:31.36 0.3 undecidable manual Sg 159 26.1516 -0.08 37
I1.HAGA.BHZ. 2006-09-23T09:52:29.27 0.1 undecidable manual Sg 122 19.5693 0.142 49
IV.HVZN.BHE. 2006-09-23T09:52:28.79 0.1 undecidable manual Pg 225 31.3464 0.16 96
IV.SSY.BHZ. 2006-09-23T09:52:27.39 0.1 undecidable manual Pg 159 26.1516 -0.2 97
IV.AGST.SHN. 2006-09-23T09:52:27.57 0.3 undecidable manual Pg 120 26.5512 -0.101 74
I1.HAGA.BHZ. 2006-09-23T09:52:26.17 0.1 undecidable manual Pg 122 19.5693 -0.084 100
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