Earthquake with magnitude of ML 2.1 on date 08-11-2009 and time 07:44:46 (Italy) in region 6 km S Villalba (CL)

A magnitude ML 2.1 earthquake occured in region: 6 km S Villalba (CL), on

  • 08-11-2009 06:44:46 (UTC)
  • 08-11-2009 07:44:46 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.6070, 13.8370 at 47 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
Villalba CL 6 1633 1633
Marianopoli CL 7 1906 3539
Mussomeli CL 8 10780 14319
Vallelunga Pratameno CL 8 3461 17780
Acquaviva Platani CL 13 948 18728
Sutera CL 13 1410 20138
Campofranco CL 15 3100 23238
Bompensiere CL 16 556 23794
Valledolmo PA 16 3594 27388
Montedoro CL 17 1631 29019
Serradifalco CL 17 6091 35110
Santa Caterina Villarmosa CL 17 5388 40498
San Giovanni Gemini AG 17 8056 48554
Milena CL 17 3018 51572
Cammarata AG 18 6355 57927
Casteltermini AG 19 8267 66194
San Cataldo CL 19 23253 89447
Resuttano CL 19 2038 91485

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km NW of Caltanissetta (63360 inhabitants)
40 Km NE of Agrigento (59770 inhabitants)
60 Km SE of Bagheria (55387 inhabitants)
70 Km SE of Palermo (674435 inhabitants)
70 Km NW of Gela (75827 inhabitants)
96 Km NW of Vittoria (63339 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 2.1 2009-11-08
06:44:46
37.607 13.837 47 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 987219
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-11-08 06:44:46 ± 0.67
Latitude 37.6070 ± 0.0423
Longitude 13.8370 ± 0.0443
Depth (km) 47 ± 4 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 987219

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 4879
Semi-minor axis of confidence ellipse (meter) 3323
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 215
Circular confidence region, given by single value of horizontal uncertainty (meter) 6107.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 258
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 7
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.45
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.41099
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 4
Magnitude information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.1
Num. used stations
Type of magnitude ML
Reference to an origin 987219
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 18:53:50
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSLB.SHZ. 2009-11-08T06:45:03.47 1.0 undecidable manual Sg 28 41.4252 -0.085 25
IV.RESU.HHZ. 2009-11-08T06:45:00.91 0.6 undecidable manual Sg 77 19.7691 0.429 47
IV.ALJA.HHZ. 2009-11-08T06:44:59.96 0.6 undecidable manual Sg 335 17.3715 -0.281 50
IV.CSLB.SHZ. 2009-11-08T06:44:56.08 0.1 undecidable manual Pg 28 41.4252 -0.226 97
IV.GIB.HHZ. 2009-11-08T06:44:56.95 0.1 undecidable manual Pg 21 45.621 0.219 96
IV.RESU.HHZ. 2009-11-08T06:44:54.12 0.3 undecidable manual Pg 77 19.7691 -0.412 73
IV.ALJA.HHZ. 2009-11-08T06:44:54.65 0.1 undecidable manual Pg 335 17.3715 0.257 100
IV.ORI.HHZ. 2009-11-08T06:44:29.73 10.0 undecidable manual Pg 0 0 0
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