Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.5 on date 01-09-2008 and time 10:05:28 (UTC) in region 5 km NW Aidone (EN)

A magnitude ML 2.5 earthquake occured in region: 5 km NW Aidone (EN), on

  • 01-09-2008 10:05:28 (UTC)
  • 01-09-2008 12:05:28 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.4490, 14.4130 at 36 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Aidone EN 5 4889 4889
Valguarnera Caropepe EN 6 7866 12755
Piazza Armerina EN 8 21886 34641
Raddusa CT 11 3178 37819
Mirabella Imbaccari CT 14 4912 42731
Enna EN 18 28019 70750
San Cono CT 18 2697 73447
San Michele di Ganzaria CT 19 3245 76692
Calascibetta EN 20 4528 81220
Assoro EN 20 5191 86411

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km E of Caltanissetta (63360 inhabitants)
45 Km NE of Gela (75827 inhabitants)
57 Km N of Vittoria (63339 inhabitants)
60 Km W of Catania (314555 inhabitants)
65 Km NW of Ragusa (73313 inhabitants)
69 Km W of Acireale (52622 inhabitants)
72 Km NW of Modica (54633 inhabitants)
75 Km E of Agrigento (59770 inhabitants)
89 Km NW of Siracusa (122291 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 2.5 		2008-09-01
10:05:28		 37.449 14.413 36 2014-10-21
12:27:13		 Bollettino Sismico Italiano INGV 714399
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2008-09-01 10:05:28 ± 0.25
Latitude 37.4490 ± 0.0144
Longitude 14.4130 ± 0.0193
Depth (km) 36 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 714399

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1591
Semi-minor axis of confidence ellipse (meter) 1416
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 214
Circular confidence region, given by single value of horizontal uncertainty (meter) 2334.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 140
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.9
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.08458
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:2.5

Field Value
Value 2.5
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 714399
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 13:31:24

Md:2.4

Field Value
Value 2.4
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 714399
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 13:31:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.BSSO.HHE. 2008-09-01T10:06:34.59 10.0 undecidable manual Pg 0 0 0
IV.SOI.EHN. 2008-09-01T10:06:16.54 10.0 undecidable manual Pg 0 0 0
IV.MPAZ.BHN. 2008-09-01T10:06:13.85 10.0 undecidable manual Pg 0 0 0
IV.MSRU.BHN. 2008-09-01T10:06:07.61 10.0 undecidable manual Pg 0 0 0
IV.CORL.HHE. 2008-09-01T10:06:05.73 10.0 undecidable manual Sg 0 0 0
IV.IFIL.BHE. 2008-09-01T10:06:04.19 10.0 undecidable manual Pg 0 0 0
IV.MMME.BHN. 2008-09-01T10:05:56.02 0.1 undecidable manual Sg 54 91.4418 0.276 93
IV.HAVL.BHZ. 2008-09-01T10:05:55.06 0.6 undecidable manual Sg 131 82.9503 1.151 33
IV.AGST.EHZ. 2008-09-01T10:05:52.00 0.1 undecidable manual Sg 106 74.9694 -0.085 100
IV.GIB.EHZ. 2008-09-01T10:05:51.36 1.0 undecidable manual Sg 331 68.9754 0.752 21
IV.CORL.HHE. 2008-09-01T10:05:51.50 10.0 undecidable manual Pg 0 0 0
IV.HMDC.BHZ. 2008-09-01T10:05:50.67 0.3 undecidable manual Sg 149 63.492 1.408 46
IV.FAVR.SHZ. 2008-09-01T10:05:50.27 10.0 undecidable manual Pg 0 0 0
IV.SSY.BHZ. 2008-09-01T10:05:50.71 0.1 undecidable manual Sg 119 66.6777 0.662 88
I1.HAGA.BHN. 2008-09-01T10:05:50.23 0.1 undecidable manual Sg 105 67.8765 -0.124 100
IV.HCRL.BHE. 2008-09-01T10:05:47.58 0.3 undecidable manual Sg 108 57.6978 -0.296 74
IV.IVPL.BHZ. 2008-09-01T10:05:47.32 0.3 undecidable manual Pg 26 114.1968 0.295 66
I1.IACL.BHZ. 2008-09-01T10:05:47.00 0.3 undecidable manual Pg 358 120.3906 -0.788 57
IV.HVZN.BHZ. 2008-09-01T10:05:44.56 0.3 undecidable manual Sg 138 40.2264 0.632 70
IV.HAVL.BHZ. 2008-09-01T10:05:43.04 0.1 undecidable manual Pg 131 82.9503 -0.091 99
IV.MMME.BHN. 2008-09-01T10:05:43.92 0.1 undecidable manual Pg 54 91.4418 -0.268 94
IV.ECNV.BHN. 2008-09-01T10:05:43.16 0.6 undecidable manual Sg 58 30.9468 1.077 40
IV.GIB.EHZ. 2008-09-01T10:05:42.32 0.3 undecidable manual Pg 331 68.9754 1.096 53
I1.HAGA.BHN. 2008-09-01T10:05:42.21 0.1 undecidable manual Pg 105 67.8765 1.133 71
IV.CSLB.SHZ. 2008-09-01T10:05:42.25 0.6 undecidable manual Pg 330 62.493 1.935 21
IV.AGST.EHZ. 2008-09-01T10:05:41.11 0.1 undecidable manual Pg 106 74.9694 -0.968 75
IV.RAFF.HHN. 2008-09-01T10:05:41.44 0.6 undecidable manual Sg 190 25.5522 0.324 52
IV.HMDC.BHZ. 2008-09-01T10:05:40.09 0.1 undecidable manual Pg 149 63.492 -0.359 97
IV.SSY.BHZ. 2008-09-01T10:05:40.45 0.1 undecidable manual Pg 119 66.6777 -0.453 94
IV.RESU.HHN. 2008-09-01T10:05:39.25 10.0 undecidable manual Pg 0 0 0
IV.HCRL.BHE. 2008-09-01T10:05:38.92 0.1 undecidable manual Pg 108 57.6978 -0.725 86
IV.HVZN.BHZ. 2008-09-01T10:05:36.96 0.1 undecidable manual Pg 138 40.2264 -0.406 100
IV.ECNV.BHN. 2008-09-01T10:05:35.15 0.3 undecidable manual Pg 58 30.9468 -1.155 56
IV.RAFF.HHN. 2008-09-01T10:05:35.03 0.1 undecidable manual Pg 190 25.5522 -0.714 93
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