Earthquake with magnitude of ML 2.0 on date 23-09-2008 and time 15:25:57 (Italy) in region 6 km NE Bompensiere (CL)

A magnitude ML 2.0 earthquake occured in region: 6 km NE Bompensiere (CL), on

  • 23-09-2008 13:25:57 (UTC)
  • 23-09-2008 15:25:57 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.5180, 13.8170 at 10 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
Bompensiere CL 6 556 556
Montedoro CL 7 1631 2187
Sutera CL 8 1410 3597
Milena CL 9 3018 6615
Mussomeli CL 9 10780 17395
Serradifalco CL 9 6091 23486
Campofranco CL 9 3100 26586
Acquaviva Platani CL 12 948 27534
Marianopoli CL 13 1906 29440
Racalmuto AG 14 8307 37747
Villalba CL 16 1633 39380
Casteltermini AG 16 8267 47647
San Cataldo CL 16 23253 70900
Grotte AG 16 5746 76646
Canicattì AG 18 35698 112344
Vallelunga Pratameno CL 18 3461 115805
Comitini AG 19 968 116773
Castrofilippo AG 20 2940 119713
San Giovanni Gemini AG 20 8056 127769

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km W of Caltanissetta (63360 inhabitants)
31 Km NE of Agrigento (59770 inhabitants)
63 Km NW of Gela (75827 inhabitants)
68 Km SE of Bagheria (55387 inhabitants)
78 Km SE of Palermo (674435 inhabitants)
90 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 2.1
ML 2.0
2008-09-23
13:25:57
37.518 13.817 10 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 718809
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2008-09-23 13:25:57 ± 0.38
Latitude 37.5180 ± 0.0117
Longitude 13.8170 ± 0.0317
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 718809

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 3053
Semi-minor axis of confidence ellipse (meter) 684
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 248
Circular confidence region, given by single value of horizontal uncertainty (meter) 3087.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 255
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 7
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.46045
Epicentral distance of station farthest from the epicenter (degree) 0.79050
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.5
Num. used stations
Type of magnitude ML
Reference to an origin 718809
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 13:36:14

Md:2.1

Field Value
Value 2.1
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 718809
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 13:36:14
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HVZN.BHZ. 2008-09-23T13:26:23.76 0.6 undecidable manual Sg 115 87.7455 -0.341 44
IV.RAFF.HHE. 2008-09-23T13:26:16.69 0.6 undecidable manual Sg 124 58.1973 0.474 45
IV.GIB.EHZ. 2008-09-23T13:26:15.48 0.6 undecidable manual Sg 19 55.5 -0.015 50
IV.HVZN.BHZ. 2008-09-23T13:26:13.18 0.6 undecidable manual Pg 115 87.7455 0.112 46
IV.RAFF.HHE. 2008-09-23T13:26:08.35 0.1 undecidable manual Pg 124 58.1973 -0.163 96
IV.GIB.EHZ. 2008-09-23T13:26:08.17 0.1 undecidable manual Pg 19 55.5 0.074 98
IV.CSLB.SHZ. 2008-09-23T13:26:07.39 0.1 undecidable manual Pg 24 51.1155 -0.028 100
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