Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.3 on date 19-06-2005 and time 13:21:50 (UTC) in region 4 km N Aci Sant'Antonio (CT)

A magnitude ML 2.3 earthquake occured in region: 4 km N Aci Sant'Antonio (CT), on

  • 19-06-2005 13:21:50 (UTC)
  • 19-06-2005 15:21:50 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.6440, 15.1300 at 5 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
Aci Sant'Antonio CT 4 17984 17984
Viagrande CT 5 8563 26547
Aci Catena CT 5 29851 56398
Acireale CT 5 52622 109020
Santa Venerina CT 5 8592 117612
Aci Bonaccorsi CT 5 3524 121136
Trecastagni CT 5 10910 132046
Zafferana Etnea CT 6 9517 141563
Pedara CT 7 14102 155665
Valverde CT 7 7840 163505
San Giovanni la Punta CT 8 23060 186565
San Gregorio di Catania CT 9 11966 198531
Tremestieri Etneo CT 9 20589 219120
Milo CT 9 1087 220207
Nicolosi CT 10 7463 227670
Aci Castello CT 10 18723 246393
Sant'Agata li Battiati CT 10 9479 255872
Mascalucia CT 10 31958 287830
Giarre CT 11 27659 315489
Gravina di Catania CT 11 25838 341327
Sant'Alfio CT 11 1582 342909
Riposto CT 12 14838 357747
San Pietro Clarenza CT 12 7743 365490
Camporotondo Etneo CT 14 5023 370513
Mascali CT 14 14282 384795
Belpasso CT 15 28108 412903
Catania CT 16 314555 727458
Ragalna CT 17 3924 731382
Misterbianco CT 17 49410 780792
Fiumefreddo di Sicilia CT 18 9623 790415
Piedimonte Etneo CT 19 3963 794378

Municipalities with at least 50000 inhabitants

An earthquake occurred to
5 Km NW of Acireale (52622 inhabitants)
16 Km N of Catania (314555 inhabitants)
66 Km N of Siracusa (122291 inhabitants)
69 Km SW of Reggio di Calabria (183035 inhabitants)
72 Km SW of Messina (238439 inhabitants)
87 Km NE of Ragusa (73313 inhabitants)
93 Km NE of Modica (54633 inhabitants)
93 Km NE of Vittoria (63339 inhabitants)
96 Km E of Caltanissetta (63360 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 2.3
ML 2.3 		2005-06-19
13:21:50		 37.644 15.13 5 2014-10-21
12:27:13		 Bollettino Sismico Italiano INGV 524089
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2005-06-19 13:21:50 ± 0.15
Latitude 37.6440 ± 0.0063
Longitude 15.1300 ± 0.0193
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 524089

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1737
Semi-minor axis of confidence ellipse (meter) 632
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 79
Circular confidence region, given by single value of horizontal uncertainty (meter) 1838.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 157
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.42
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.84626
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 6
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 524089
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 10:09:16

Md:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 524089
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 10:09:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SOI.SHZ. 2005-06-19T13:22:21.19 0.1 undecidable manual Sg 59 93.9393 -0.429 42
IV.IVPL.BHZ. 2005-06-19T13:22:18.11 1.0 undecidable manual Sg 351 82.251 -0.047 12
IV.MSRU.BHE. 2005-06-19T13:22:16.00 0.1 undecidable manual Sg 26 76.2681 -0.384 44
IV.SSY.BHE. 2005-06-19T13:22:09.84 0.1 undecidable manual Sg 185 54.2013 0.008 49
IV.SOI.SHZ. 2005-06-19T13:22:09.00 0.1 undecidable manual Pg 59 93.9393 0.918 69
IV.AGST.SHN. 2005-06-19T13:22:06.50 0.1 undecidable manual Sg 169 43.9227 0.025 50
IV.IVPL.BHZ. 2005-06-19T13:22:06.35 0.1 undecidable manual Pg 351 82.251 0.215 90
IV.MSRU.BHE. 2005-06-19T13:22:04.83 0.1 undecidable manual Pg 26 76.2681 -0.312 89
IV.SEST.EHN. 2005-06-19T13:22:03.70 10.0 undecidable manual Pg 0 0 0
IV.PZI.SHZ. 2005-06-19T13:22:03.66 0.1 undecidable manual Pg 194 67.0773 0.049 95
IV.SSY.BHE. 2005-06-19T13:22:01.22 0.1 undecidable manual Pg 185 54.2013 -0.241 94
IV.AGST.SHN. 2005-06-19T13:21:59.55 0.1 undecidable manual Pg 169 43.9227 -0.023 100
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