Earthquake with magnitude of ML 2.2 on date 11-10-2011 and time 12:53:33 (UTC) in region 7 km SW Canicattini Bagni (SR)

A magnitude ML 2.2 earthquake occured in region: 7 km SW Canicattini Bagni (SR), on

  • 11-10-2011 12:53:33 (UTC)
  • 11-10-2011 14:53:33 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 36.9760, 15.0320 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
Canicattini Bagni SR 7 7109 7109
Noto SR 10 23913 31022
Avola SR 12 31708 62730
Palazzolo Acreide SR 15 8808 71538
Solarino SR 16 8091 79629
Floridia SR 16 22762 102391
Cassaro SR 16 821 103212
Buscemi SR 18 1051 104263
Ferla SR 18 2523 106786
Rosolini SR 19 21427 128213

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km W of Siracusa (122291 inhabitants)
27 Km NE of Modica (54633 inhabitants)
27 Km E of Ragusa (73313 inhabitants)
44 Km E of Vittoria (63339 inhabitants)
59 Km S of Catania (314555 inhabitants)
70 Km E of Gela (75827 inhabitants)
72 Km S 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
ML 2.2 2011-10-11
12:53:33
36.976 15.032 9 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1296099
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2011-10-11 12:53:33 ± 0.1
Latitude 36.9760 ± 0.0054
Longitude 15.0320 ± 0.0045
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1296099

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 547
Semi-minor axis of confidence ellipse (meter) 428
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 156
Circular confidence region, given by single value of horizontal uncertainty (meter) 721.1
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 8
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.07374
Epicentral distance of station farthest from the epicenter (degree) 0.30667
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitude information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 1296099
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-06 01:41:04
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HCRL.HHE. 2011-10-11T12:53:45.10 0.3 undecidable manual Sg 0 34.0437 -0.044 73
IV.HMDC.HHN. 2011-10-11T12:53:41.36 0.6 undecidable manual Sg 265 22.0668 -0.159 49
IV.HCRL.HHE. 2011-10-11T12:53:40.04 0.1 undecidable manual Pg 0 34.0437 -0.058 98
IV.SSY.HHN. 2011-10-11T12:53:40.98 0.3 undecidable manual Sg 10 20.4684 -0.027 75
IV.HMDC.HHN. 2011-10-11T12:53:38.10 0.3 undecidable manual Pg 265 22.0668 0.099 74
IV.HAVL.HHZ. 2011-10-11T12:53:37.30 0.3 undecidable manual Sg 103 8.1807 -0.203 74
IV.SSY.HHN. 2011-10-11T12:53:37.82 0.1 undecidable manual Pg 10 20.4684 0.113 99
IV.HAVL.HHZ. 2011-10-11T12:53:35.84 0.1 undecidable manual Pg 103 8.1807 0.155 100
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
Waveforms Seismic signals in miniseed + resp format Download