Earthquake with magnitude of ML 2.4 on date 25-06-2005 and time 23:47:27 (Italy) in region Costa Siracusana (Siracusa)

A magnitude ML 2.4 earthquake occured in region: Costa Siracusana (Siracusa), on

  • 25-06-2005 21:47:27 (UTC)
  • 25-06-2005 23:47:27 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.1720, 15.2150 at 29 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
Priolo Gargallo SR 3 12091 12091
Augusta SR 7 36305 48396
Melilli SR 8 13621 62017
Floridia SR 11 22762 84779
Solarino SR 12 8091 92870
Siracusa SR 14 122291 215161
Sortino SR 16 8690 223851

Municipalities with at least 50000 inhabitants

An earthquake occurred to
14 Km NW of Siracusa (122291 inhabitants)
39 Km S of Catania (314555 inhabitants)
49 Km S of Acireale (52622 inhabitants)
51 Km NE of Ragusa (73313 inhabitants)
53 Km NE of Modica (54633 inhabitants)
65 Km E of Vittoria (63339 inhabitants)
86 Km E 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 2.7
ML 2.4
2005-06-25
21:47:27
37.172 15.215 29 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 524679
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2005-06-25 21:47:27 ± 0.22
Latitude 37.1720 ± 0.0180
Longitude 15.2150 ± 0.0293
Depth (km) 29 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 524679

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 3031
Semi-minor axis of confidence ellipse (meter) 1105
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 124
Circular confidence region, given by single value of horizontal uncertainty (meter) 3280.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 167
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.63
Epicentral distance of station closest to the epicenter (degree) 0.08454
Epicentral distance of station farthest from the epicenter (degree) 1.41823
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:2.4

Field Value
Value 2.4
Uncertainty 0.4
Num. used stations
Type of magnitude ML
Reference to an origin 524679
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 10:09:52

Md:2.7

Field Value
Value 2.7
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 524679
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 10:09:52
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
MN.WDD.HHN. 2005-06-25T21:48:11.87 0.3 undecidable manual Sg 203 157.4202 -0.932 21
IV.IVPL.BHZ. 2005-06-25T21:48:07.67 0.1 undecidable manual Sg 351 135.1647 -0.233 38
IV.MSRU.BHZ. 2005-06-25T21:48:05.00 0.1 undecidable manual Sg 12 123.7872 -0.409 38
MN.WDD.HHN. 2005-06-25T21:47:52.87 0.1 undecidable manual Pg 203 157.4202 0.072 75
IV.IVPL.BHZ. 2005-06-25T21:47:50.54 0.1 undecidable manual Pg 351 135.1647 0.494 74
IV.MSRU.BHZ. 2005-06-25T21:47:48.94 0.1 undecidable manual Pg 12 123.7872 0.294 79
IV.SOI.EHZ. 2005-06-25T21:47:47.81 0.1 undecidable manual Pg 36 124.1868 -0.881 66
IV.MTTG.SHZ. 2005-06-25T21:47:45.81 0.1 undecidable manual Pg 25 101.5206 0.244 82
IV.HMDC.BHZ. 2005-06-25T21:47:43.44 0.1 undecidable manual Sg 238 44.9217 -0.611 40
IV.HMDC.BHZ. 2005-06-25T21:47:36.85 0.1 positive manual Pg 238 44.9217 0.209 94
IV.AGST.SHZ. 2005-06-25T21:47:36.01 0.1 undecidable manual Sg 7 9.3795 -0.89 41
IV.SSY.BHZ. 2005-06-25T21:47:36.58 0.1 undecidable manual Sg 263 12.5763 -0.67 43
IV.PZI.SHZ. 2005-06-25T21:47:34.78 0.1 positive manual Pg 242 26.8509 0.569 89
IV.SSY.BHZ. 2005-06-25T21:47:33.05 0.1 undecidable manual Pg 263 12.5763 0.225 98
IV.AGST.SHZ. 2005-06-25T21:47:32.75 0.1 positive manual Pg 7 9.3795 0.124 100
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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