Earthquake with magnitude of Md 2.4 on date 08-12-2003 and time 09:34:46 (Italy) in region 4 km E Collesano (PA)

A magnitude Md 2.4 earthquake occured in region: 4 km E Collesano (PA), on

  • 08-12-2003 08:34:46 (UTC)
  • 08-12-2003 09:34:46 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.9110, 13.9760 at 64 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
Collesano PA 4 4054 4054
Isnello PA 5 1589 5643
Gratteri PA 6 963 6606
Scillato PA 8 613 7219
Castelbuono PA 10 8943 16162
Lascari PA 10 3588 19750
Polizzi Generosa PA 11 3407 23157
Campofelice di Roccella PA 12 7537 30694
Caltavuturo PA 13 4017 34711
Cerda PA 14 5330 40041
Sclafani Bagni PA 15 426 40467
Cefalù PA 15 14393 54860
Castellana Sicula PA 16 3411 58271
Petralia Sottana PA 16 2821 61092
Geraci Siculo PA 17 1945 63037
Petralia Soprana PA 17 3360 66397
Pollina PA 18 2974 69371
Aliminusa PA 18 1236 70607
Sciara PA 19 2822 73429
San Mauro Castelverde PA 19 1701 75130
Blufi PA 20 1029 76159
Montemaggiore Belsito PA 20 3365 79524

Municipalities with at least 50000 inhabitants

An earthquake occurred to
45 Km E of Bagheria (55387 inhabitants)
47 Km N of Caltanissetta (63360 inhabitants)
58 Km E of Palermo (674435 inhabitants)
75 Km NE of Agrigento (59770 inhabitants)
97 Km N of Gela (75827 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 2.4
ML-VAX 2.4
2003-12-08
08:34:46
37.911 13.976 64 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 490259
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2003-12-08 08:34:46 ± 0.647
Latitude 37.9110 ± 0.0493
Longitude 13.9760 ± 0.0226
Depth (km) 64 ± 6 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 490259

Uncertainty

Field Value
Preferred uncertainty description horizontal uncertainty
Semi-major axis of confidence ellipse (meter)
Semi-minor axis of confidence ellipse (meter)
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi)
Circular confidence region, given by single value of horizontal uncertainty (meter) 5828.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 145
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) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00057
Epicentral distance of station farthest from the epicenter (degree) 0.01028
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitudes information

Md:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 6
Type of magnitude Md
Reference to an origin 490259
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 00:47:51

ML:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 490259
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 13:07:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.PZI.Z. 2003-12-08T08:35:06.48 10.0 undecidable manual P 137 1.1433 -0.02 0.8
--.MEU.Z. 2003-12-08T08:35:05.18 10.0 undecidable manual P 139 1.0434 0.04 0.9
--.GIB.E. 2003-12-08T08:35:02.96 10.0 undecidable manual S 27 0.0777 0.13 0.4
--.CLTB.Z. 2003-12-08T08:35:00.74 10.0 undecidable manual P 241 0.6882 0.03 1.1
--.PLLN.Z. 2003-12-08T08:34:56.41 10.0 undecidable manual P 58 0.1554 0.39 0.5
--.CSLB.Z. 2003-12-08T08:34:55.19 10.0 negative manual P 67 0.0666 -0.56 0.6
--.GIB.Z. 2003-12-08T08:34:55.81 10.0 negative manual P 27 0.0777 0.02 2.7
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