Earthquake with magnitude of ML 1.2 on date 01-09-2011 and time 13:16:32 (Italy) in region 6 km S Licodia Eubea (CT)

A magnitude ML 1.2 earthquake occured in region: 6 km S Licodia Eubea (CT), on

  • 01-09-2011 11:16:32 (UTC)
  • 01-09-2011 13:16:32 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.1030, 14.6900 at 9 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 6 3081 3081
Monterosso Almo RG 7 3032 6113
Chiaramonte Gulfi RG 8 8238 14351
Vizzini CT 8 6241 20592
Giarratana RG 11 3048 23640
Mazzarrone CT 12 4078 27718
Grammichele CT 13 13418 41136
Buccheri SR 15 1999 43135
Buscemi SR 17 1051 44186
Mineo CT 18 5159 49345
Comiso RG 19 30156 79501
Acate RG 19 10954 90455
Palazzolo Acreide SR 20 8808 99263
Ragusa RG 20 73313 172576

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km N of Ragusa (73313 inhabitants)
22 Km NE of Vittoria (63339 inhabitants)
28 Km N of Modica (54633 inhabitants)
39 Km E of Gela (75827 inhabitants)
54 Km W of Siracusa (122291 inhabitants)
57 Km SW of Catania (314555 inhabitants)
71 Km SE of Caltanissetta (63360 inhabitants)
71 Km SW of Acireale (52622 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 1.8
ML 1.2
2011-09-01
11:16:32
37.103 14.69 9 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1279879
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2011-09-01 11:16:32 ± 0.27
Latitude 37.1030 ± 0.0063
Longitude 14.6900 ± 0.0101
Depth (km) 9 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1279879

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 896
Semi-minor axis of confidence ellipse (meter) 350
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 252
Circular confidence region, given by single value of horizontal uncertainty (meter) 1140.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 142
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.38
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.28688
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 4
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 1279879
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-06 01:18:17

Md:1.8

Field Value
Value 1.8
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 1279879
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-06 01:18:17
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MNO.SHN. 2011-09-01T11:16:57.38 10.0 undecidable manual Pg 0 0 0
IV.RAFF.HHE. 2011-09-01T11:16:44.69 0.6 undecidable manual Sg 295 31.8459 0.534 44
IV.HLNI.HHE. 2011-09-01T11:16:44.42 0.6 undecidable manual Sg 30 31.6461 0.327 46
IV.RAFF.HHE. 2011-09-01T11:16:39.01 0.3 undecidable manual Pg 295 31.8459 -0.306 69
IV.HLNI.HHE. 2011-09-01T11:16:39.30 0.3 undecidable manual Pg 30 31.6461 0.019 74
IV.HMDC.HHN. 2011-09-01T11:16:39.86 0.3 undecidable manual Sg 153 17.9709 0.2 73
IV.HVZN.HHZ. 2011-09-01T11:16:36.86 0.6 undecidable manual Sg 15 8.6802 -0.152 50
IV.HMDC.HHN. 2011-09-01T11:16:36.61 0.1 undecidable manual Pg 153 17.9709 -0.112 98
IV.HVZN.HHZ. 2011-09-01T11:16:35.07 0.1 undecidable manual Pg 15 8.6802 -0.122 100
IV.GATE.HHN. 2011-09-01T11:16:35.04 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