Earthquake with magnitude of ML 2.2 on date 07-11-2009 and time 04:05:41 (Italy) in region 2 km SW Comiso (RG)

A magnitude ML 2.2 earthquake occured in region: 2 km SW Comiso (RG), on

  • 07-11-2009 03:05:41 (UTC)
  • 07-11-2009 04:05:41 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 36.9320, 14.5960 at 25 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
Comiso RG 2 30156 30156
Vittoria RG 6 63339 93495
Ragusa RG 12 73313 166808
Santa Croce Camerina RG 13 10823 177631
Acate RG 14 10954 188585
Chiaramonte Gulfi RG 15 8238 196823
Modica RG 17 54633 251456
Mazzarrone CT 17 4078 255534
Scicli RG 18 27077 282611

Municipalities with at least 50000 inhabitants

An earthquake occurred to
6 Km E of Vittoria (63339 inhabitants)
12 Km W of Ragusa (73313 inhabitants)
17 Km NW of Modica (54633 inhabitants)
34 Km E of Gela (75827 inhabitants)
64 Km W of Siracusa (122291 inhabitants)
77 Km SW of Catania (314555 inhabitants)
78 Km SE of Caltanissetta (63360 inhabitants)
91 Km SW of Acireale (52622 inhabitants)
99 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
ML 2.2 2009-11-07
03:05:41
36.932 14.596 25 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 986889
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-11-07 03:05:41 ± 0.33
Latitude 36.9320 ± 0.0135
Longitude 14.5960 ± 0.0158
Depth (km) 25 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 986889

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1457
Semi-minor axis of confidence ellipse (meter) 1038
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 235
Circular confidence region, given by single value of horizontal uncertainty (meter) 2051.8
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 12
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.35
Epicentral distance of station closest to the epicenter (degree) 0.15199
Epicentral distance of station farthest from the epicenter (degree) 0.59895
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 986889
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 18:53:25
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.AGST.EHZ. 2009-11-07T03:06:01.85 0.1 undecidable manual Sg 57 66.4779 -0.664 79
IV.HCRL.HHE. 2009-11-07T03:05:59.52 0.1 undecidable manual Sg 45 54.8007 -0.017 96
IV.SSY.HHN. 2009-11-07T03:05:58.50 0.1 undecidable manual Sg 59 49.1175 0.398 90
IV.HAVL.HHE. 2009-11-07T03:05:57.56 0.1 undecidable manual Sg 86 46.7199 0.058 98
IV.HVZN.HHZ. 2009-11-07T03:05:53.30 0.1 undecidable manual Sg 21 29.2485 -0.06 100
IV.AGST.EHZ. 2009-11-07T03:05:53.49 0.1 undecidable manual Pg 57 66.4779 -0.29 89
IV.HCRL.HHE. 2009-11-07T03:05:52.12 0.1 positive manual Pg 45 54.8007 0.058 95
IV.SSY.HHN. 2009-11-07T03:05:51.43 0.1 negative manual Pg 59 49.1175 0.196 93
IV.HMDC.HHE. 2009-11-07T03:05:50.55 0.1 undecidable manual Sg 80 16.872 -0.373 95
IV.HAVL.HHE. 2009-11-07T03:05:50.97 0.1 negative manual Pg 86 46.7199 0.083 96
IV.HVZN.HHZ. 2009-11-07T03:05:48.76 0.1 undecidable manual Pg 21 29.2485 0.264 95
IV.HMDC.HHE. 2009-11-07T03:05:47.27 0.1 positive manual Pg 80 16.872 0.181 99
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
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