Earthquake with magnitude of ML 1.6 on date 07-02-2009 and time 11:08:34 (Italy) in region 2 km NE Mussomeli (CL)

A magnitude ML 1.6 earthquake occured in region: 2 km NE Mussomeli (CL), on

  • 07-02-2009 10:08:34 (UTC)
  • 07-02-2009 11:08:34 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.5950, 13.7750 at 11 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
Mussomeli CL 2 10780 10780
Acquaviva Platani CL 7 948 11728
Sutera CL 9 1410 13138
Villalba CL 9 1633 14771
Campofranco CL 11 3100 17871
Vallelunga Pratameno CL 11 3461 21332
Marianopoli CL 12 1906 23238
San Giovanni Gemini AG 12 8056 31294
Cammarata AG 13 6355 37649
Casteltermini AG 13 8267 45916
Bompensiere CL 14 556 46472
Milena CL 14 3018 49490
Montedoro CL 16 1631 51121
Valledolmo PA 18 3594 54715
Castronovo di Sicilia PA 18 3085 57800
Serradifalco CL 18 6091 63891

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km W of Caltanissetta (63360 inhabitants)
36 Km NE of Agrigento (59770 inhabitants)
59 Km SE of Bagheria (55387 inhabitants)
68 Km SE of Palermo (674435 inhabitants)
72 Km NW of Gela (75827 inhabitants)
99 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
Md 1.8
ML 1.6
2009-02-07
10:08:34
37.595 13.775 11 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 742719
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-02-07 10:08:34 ± 0.55
Latitude 37.5950 ± 0.0198
Longitude 13.7750 ± 0.0443
Depth (km) 11 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 742719

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 4031
Semi-minor axis of confidence ellipse (meter) 1914
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 253
Circular confidence region, given by single value of horizontal uncertainty (meter) 4477.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 277
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 6
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.40829
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 3
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 742719
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:02:47

Md:1.8

Field Value
Value 1.8
Uncertainty 0.0
Num. used stations
Type of magnitude Md
Reference to an origin 742719
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:02:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSLB.SHZ. 2009-02-07T10:08:49.37 0.1 undecidable manual Sg 33 45.3213 0.159 94
IV.RESU.HHN. 2009-02-07T10:08:43.91 0.1 undecidable manual Sg 77 25.3524 0.023 100
IV.CSLB.SHZ. 2009-02-07T10:08:42.76 0.1 undecidable manual Pg 33 45.3213 -0.277 92
IV.ALJA.HHN. 2009-02-07T10:08:41.42 0.3 undecidable manual Sg 354 17.1717 -0.229 73
IV.RESU.HHN. 2009-02-07T10:08:39.93 0.1 negative manual Pg 77 25.3524 -0.035 100
IV.ALJA.HHN. 2009-02-07T10:08:38.98 0.1 undecidable manual Pg 354 17.1717 0.307 96
IV.MCRV.HHZ. 2009-02-07T10:08:33.49 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