Earthquake with magnitude of Md 2.5 on date 26-09-2011 and time 10:56:09 (Italy) in region 10 km SW Camporeale (PA)

A magnitude Md 2.5 earthquake occured in region: 10 km SW Camporeale (PA), on

  • 26-09-2011 08:56:09 (UTC)
  • 26-09-2011 10:56:09 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.8520, 12.9970 at 17 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
Camporeale PA 10 3373 3373
Poggioreale TP 10 1494 4867
Salaparuta TP 11 1696 6563
Gibellina TP 12 4115 10678
Santa Ninfa TP 13 5043 15721
Calatafimi-Segesta TP 14 6712 22433
Roccamena PA 14 1505 23938
Alcamo TP 15 45307 69245
Vita TP 16 2056 71301
Montevago AG 17 3006 74307
Partanna TP 17 10607 84914
Salemi TP 18 10794 95708
Santa Margherita di Belice AG 18 6363 102071

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km NE of Mazara del Vallo (51718 inhabitants)
44 Km SW of Palermo (674435 inhabitants)
46 Km E of Trapani (68759 inhabitants)
50 Km E of Marsala (83194 inhabitants)
52 Km SW of Bagheria (55387 inhabitants)
79 Km NW 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
Md 2.5 2011-09-26
08:56:09
37.852 12.997 17 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1290839
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2011-09-26 08:56:09 ± 0.29
Latitude 37.8520 ± 0.0144
Longitude 12.9970 ± 0.0148
Depth (km) 17 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1290839

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1560
Semi-minor axis of confidence ellipse (meter) 939
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 349
Circular confidence region, given by single value of horizontal uncertainty (meter) 2061.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 137
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.47
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.48563
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 5
Magnitude information

Md:2.5

Field Value
Value 2.5
Uncertainty 0.3
Num. used stations
Type of magnitude Md
Reference to an origin 1290839
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-06 01:33:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
NI.AGOR.HHE. 2011-09-26T08:56:56.20 10.0 undecidable manual Pg 0 0 0
IV.TRTR.HHE. 2011-09-26T08:56:48.38 10.0 undecidable manual Pg 0 0 0
IV.ALJA.HHE. 2011-09-26T08:56:35.91 10.0 undecidable manual Pg 0 0 0
IV.GIB.HHE. 2011-09-26T08:56:27.92 10.0 undecidable manual Pg 0 0 0
IV.MPG.SHE. 2011-09-26T08:56:19.77 10.0 undecidable manual Pg 0 0 0
IV.SOLUN.HHN. 2011-09-26T08:56:19.03 0.3 undecidable manual Pg 60 53.9016 -0.078 76
IV.CORL.HHZ. 2011-09-26T08:56:18.99 0.3 undecidable manual Sg 80 27.2505 -0.377 74
IV.MMGO.SHZ. 2011-09-26T08:56:17.43 0.3 undecidable manual Sg 185 21.1677 -0.442 74
IV.MTGR.SHZ. 2011-09-26T08:56:17.52 0.1 undecidable manual Sg 283 21.2676 -0.391 100
IV.CRJA.SHZ. 2011-09-26T08:56:15.31 0.3 undecidable manual Sg 173 5.5944 0.265 80
IV.CORL.HHZ. 2011-09-26T08:56:15.38 0.3 undecidable manual Pg 80 27.2505 0.262 77
IV.MMGO.SHZ. 2011-09-26T08:56:14.75 0.3 undecidable manual Pg 185 21.1677 0.495 74
IV.MTGR.SHZ. 2011-09-26T08:56:14.76 0.3 undecidable manual Pg 283 21.2676 0.482 74
IV.CRJA.SHZ. 2011-09-26T08:56:12.53 0.3 undecidable manual Pg 173 5.5944 -0.094 82
IV.CAVT.SHZ. 2011-09-26T08:56:12.48 10.0 undecidable manual Pg 0 0 0
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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