Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.3 on date 15-03-2012 and time 05:05:31 (Italy) in region 2 km SE Santa Venerina (CT)

A magnitude ML 2.3 earthquake occured in region: 2 km SE Santa Venerina (CT), on

  • 15-03-2012 04:05:31 (UTC)
  • 15-03-2012 05:05:31 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.6790, 15.1530 at 31 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
Santa Venerina CT 2 8592 8592
Zafferana Etnea CT 5 9517 18109
Milo CT 6 1087 19196
Giarre CT 7 27659 46855
Sant'Alfio CT 7 1582 48437
Acireale CT 7 52622 101059
Riposto CT 8 14838 115897
Aci Sant'Antonio CT 8 17984 133881
Aci Catena CT 8 29851 163732
Viagrande CT 9 8563 172295
Trecastagni CT 9 10910 183205
Mascali CT 10 14282 197487
Aci Bonaccorsi CT 10 3524 201011
Pedara CT 11 14102 215113
Valverde CT 11 7840 222953
San Giovanni la Punta CT 12 23060 246013
San Gregorio di Catania CT 13 11966 257979
Nicolosi CT 13 7463 265442
Tremestieri Etneo CT 13 20589 286031
Aci Castello CT 14 18723 304754
Fiumefreddo di Sicilia CT 14 9623 314377
Piedimonte Etneo CT 15 3963 318340
Mascalucia CT 15 31958 350298
Sant'Agata li Battiati CT 15 9479 359777
Gravina di Catania CT 15 25838 385615
San Pietro Clarenza CT 16 7743 393358
Calatabiano CT 18 5308 398666
Camporotondo Etneo CT 18 5023 403689
Linguaglossa CT 18 5403 409092
Belpasso CT 18 28108 437200
Ragalna CT 20 3924 441124

Municipalities with at least 50000 inhabitants

An earthquake occurred to
7 Km N of Acireale (52622 inhabitants)
20 Km N of Catania (314555 inhabitants)
65 Km SW of Reggio di Calabria (183035 inhabitants)
67 Km SW of Messina (238439 inhabitants)
70 Km N of Siracusa (122291 inhabitants)
92 Km NE of Ragusa (73313 inhabitants)
97 Km NE of Modica (54633 inhabitants)
98 Km NE of Vittoria (63339 inhabitants)
98 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 2.5
ML 2.3 		2012-03-15
04:05:31		 37.679 15.153 31 2014-10-21
12:27:13		 Bollettino Sismico Italiano INGV 1348919
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2012-03-15 04:05:31 ± 0.3
Latitude 37.6790 ± 0.0090
Longitude 15.1530 ± 0.0239
Depth (km) 31 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1348919

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1968
Semi-minor axis of confidence ellipse (meter) 971
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 281
Circular confidence region, given by single value of horizontal uncertainty (meter) 2325.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 114
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.78
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.85705
Number of stations at which the event was observed 26
Number of stations from which data was used for origin computation 19
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 1348919
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-06 02:54:58

Md:2.5

Field Value
Value 2.5
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 1348919
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-06 02:54:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SOI.EHZ. 2012-03-15T04:06:02.51 10.0 undecidable manual Sg 0 0 0
IV.IFIL.EHE. 2012-03-15T04:05:59.43 10.0 undecidable manual Pg 0 0 0
IV.CRE.HHZ. 2012-03-15T04:05:58.65 10.0 undecidable manual Pg 0 0 0
IV.HAVL.HHZ. 2012-03-15T04:05:56.66 0.1 undecidable manual Sg 182 79.8645 0.728 84
IV.FIR.HHZ. 2012-03-15T04:05:55.95 10.0 undecidable manual Pg 0 0 0
IV.SSY.HHN. 2012-03-15T04:05:51.21 0.1 undecidable manual Sg 187 58.1973 0.722 87
IV.GALF.HHZ. 2012-03-15T04:05:50.15 0.6 undecidable manual Sg 274 51.6039 1.266 35
IV.MPNC.HHN. 2012-03-15T04:05:49.09 0.1 undecidable manual Sg 19 54.7008 -0.543 93
IV.SOI.EHZ. 2012-03-15T04:05:49.34 10.0 undecidable manual Pg 0 0 0
IV.PLLN.SHE. 2012-03-15T04:05:49.34 0.6 undecidable manual Pg 292 95.1381 1.491 28
IV.ILLI.HHZ. 2012-03-15T04:05:48.74 10.0 undecidable manual Pg 0 0 0
IV.MPAZ.HHZ. 2012-03-15T04:05:47.35 0.6 undecidable manual Pg 68 80.7636 1.647 26
IV.MSCL.HHZ. 2012-03-15T04:05:47.34 10.0 undecidable manual Pg 0 0 0
IV.HCRL.HHZ. 2012-03-15T04:05:47.29 0.3 undecidable manual Sg 194 45.1215 -0.059 79
IV.PTF.SHZ. 2012-03-15T04:05:47.68 10.0 undecidable manual Pg 0 0 0
IV.RAFF.HHE. 2012-03-15T04:05:46.25 0.3 undecidable manual Pg 234 86.1471 -0.253 70
IV.NOV.HHZ. 2012-03-15T04:05:46.52 0.6 undecidable manual Sg 358 38.7279 0.634 47
IV.HMDC.HHZ. 2012-03-15T04:05:46.27 0.3 undecidable manual Pg 202 86.247 -0.257 70
IV.HAVL.HHZ. 2012-03-15T04:05:45.40 0.1 undecidable manual Pg 182 79.8645 -0.169 97
IV.MMME.HHE. 2012-03-15T04:05:44.11 0.6 undecidable manual Sg 17 29.748 0.122 54
IV.MSRU.HHZ. 2012-03-15T04:05:44.93 0.1 undecidable manual Pg 25 71.9724 0.521 91
IV.MILZ.HHN. 2012-03-15T04:05:44.13 0.1 undecidable manual Pg 6 66.0894 0.576 91
IV.CAGR.HHN. 2012-03-15T04:05:43.46 0.1 undecidable manual Pg 264 57.6978 1.102 74
IV.ATN.BHE. 2012-03-15T04:05:43.15 0.1 undecidable manual Pg 27 59.8956 0.489 94
IV.MEU.SHZ. 2012-03-15T04:05:43.22 0.1 undecidable manual Pg 204 69.0753 -0.777 82
IV.HVZN.HHE. 2012-03-15T04:05:43.19 0.3 undecidable manual Pg 215 67.5768 -0.586 66
IV.SSY.HHN. 2012-03-15T04:05:42.13 0.1 undecidable manual Pg 187 58.1973 -0.297 98
IV.GALF.HHZ. 2012-03-15T04:05:41.07 0.1 undecidable manual Pg 274 51.6039 -0.43 96
IV.MPNC.HHN. 2012-03-15T04:05:41.68 0.1 undecidable manual Pg 19 54.7008 -0.253 100
IV.MUCR.HHZ. 2012-03-15T04:05:40.19 0.1 undecidable manual Pg 329 47.2194 -0.704 88
IV.ECNV.HHN. 2012-03-15T04:05:39.97 0.3 undecidable manual Pg 257 39.8268 0.062 81
IV.NOV.HHZ. 2012-03-15T04:05:39.39 0.3 undecidable manual Pg 358 38.7279 -0.379 75
IV.HCRL.HHZ. 2012-03-15T04:05:39.85 0.1 undecidable manual Pg 194 45.1215 -0.764 86
IV.MMME.HHE. 2012-03-15T04:05:38.04 0.1 undecidable manual Pg 17 29.748 -0.634 94
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