Earthquake with magnitude of Md 3.4 on date 01-06-2004 and time 10:32:29 (UTC) in region 6 km NW Sant'Alfio (CT)

A magnitude Md 3.4 earthquake occured in region: 6 km NW Sant'Alfio (CT), on

  • 01-06-2004 10:32:29 (UTC)
  • 01-06-2004 12:32:29 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.79, 15.1 at 2 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
Sant'Alfio CT 6 1582 1582
Linguaglossa CT 7 5403 6985
Piedimonte Etneo CT 7 3963 10948
Milo CT 8 1087 12035
Mascali CT 9 14282 26317
Fiumefreddo di Sicilia CT 10 9623 35940
Giarre CT 10 27659 63599
Castiglione di Sicilia CT 11 3215 66814
Zafferana Etnea CT 11 9517 76331
Riposto CT 11 14838 91169
Calatabiano CT 12 5308 96477
Santa Venerina CT 12 8592 105069
Francavilla di Sicilia ME 13 3945 109014
Moio Alcantara ME 13 717 109731
Gaggi ME 13 3184 112915
Motta Camastra ME 13 845 113760
Malvagna ME 15 733 114493
Graniti ME 16 1492 115985
Giardini-Naxos ME 17 9415 125400
Randazzo CT 17 10900 136300
Castelmola ME 17 1088 137388
Taormina ME 17 10960 148348
Roccella Valdemone ME 18 666 149014
Santa Domenica Vittoria ME 19 980 149994
Trecastagni CT 19 10910 160904
Pedara CT 20 14102 175006
Mongiuffi Melia ME 20 600 175606
Viagrande CT 20 8563 184169

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km N of Acireale (52622 inhabitants)
32 Km N of Catania (314555 inhabitants)
59 Km SW of Reggio di Calabria (183035 inhabitants)
60 Km SW of Messina (238439 inhabitants)
83 Km N of Siracusa (122291 inhabitants)
97 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
Rev 1000 Md 3.4 2004-06-01
10:32:29
37.79 15.1 2 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 498709
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2004-06-01 10:32:29 ± 0.174
Latitude 37.79 ± 0.01
Longitude 15.10 ± 0.01
Depth (km) 2 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 498709

Uncertainty

Field Value
Preferred uncertainty description horizontal uncertainty
Semi-major axis of confidence ellipse (meter)
Semi-minor axis of confidence ellipse (meter)
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi)
Circular confidence region, given by single value of horizontal uncertainty (meter) 1374.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 100
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 27
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00073
Epicentral distance of station farthest from the epicenter (degree) 0.0276
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 23
Magnitude information

Md:3.4

Field Value
Value 3.4
Uncertainty
Num. used stations 12
Type of magnitude Md
Reference to an origin 498709
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 00:56:37
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.CSSN.Z. 2004-06-01T10:33:20.80 10.0 undecidable manual PN 358 0.0276 1.03 0.2
--.SGO.Z. 2004-06-01T10:33:15.89 10.0 undecidable manual PN 3 0.0249 0.92 0.4
--.SLCN.Z. 2004-06-01T10:33:13.60 10.0 undecidable manual PN 8 0.0236 0.57 0.7
--.ORI.Z. 2004-06-01T10:33:12.18 10.0 undecidable manual PN 24 0.0223 1.1 0.2
--.MGR.Z. 2004-06-01T10:33:08.71 10.0 undecidable manual PN 8 0.0213 -0.77 0.4
--.TDS.Z. 2004-06-01T10:33:05.90 10.0 undecidable manual PN 26 0.0189 0.11 1.2
--.USI.Z. 2004-06-01T10:33:00.59 10.0 undecidable manual PN 301 0.0159 -0.57 0.8
--.GIB.Z. 2004-06-01T10:33:00.40 10.0 undecidable manual SG 283 0.0078 -0.59 0.4
--.GRI.Z. 2004-06-01T10:32:57.49 10.0 undecidable manual PN 44 0.0131 0.52 1.1
--.MSI.Z. 2004-06-01T10:32:50.25 10.0 undecidable manual SG 40 0.0049 -0.32 0.5
--.AGST.Z. 2004-06-01T10:32:50.90 10.0 undecidable manual SG 169 0.0049 0.38 0.4
--.CSLB.Z. 2004-06-01T10:32:47.52 10.0 undecidable manual PG 280 0.0074 0.41 1.4
--.GIB.Z. 2004-06-01T10:32:47.24 10.0 undecidable manual PG 283 0.0078 -0.51 1.1
--.PLLN.Z. 2004-06-01T10:32:46.38 10.0 undecidable manual PG 285 0.007 0.28 1.6
--.SOI.Z. 2004-06-01T10:32:46.14 10.0 undecidable manual PG 69 0.0072 -0.36 1.3
--.SLNA.Z. 2004-06-01T10:32:46.20 10.0 undecidable manual PG 344 0.0071 -0.36 1.2
--.GMB.Z. 2004-06-01T10:32:44.70 10.0 undecidable manual PG 56 0.0062 0.36 1.6
--.PZI.Z. 2004-06-01T10:32:44.16 10.0 undecidable manual PG 189 0.0066 -1.28 0.2
--.SCLL.Z. 2004-06-01T10:32:43.73 10.0 undecidable manual PG 45 0.006 -0.34 1.3
--.MSI.Z. 2004-06-01T10:32:41.45 10.0 undecidable manual PG 40 0.0049 -0.29 1.4
--.AGST.Z. 2004-06-01T10:32:41.63 10.0 undecidable manual PG 169 0.0049 -0.07 1.8
--.MTTG.Z. 2004-06-01T10:32:41.18 10.0 undecidable manual PG 65 0.0046 0 1.7
--.ATN.Z. 2004-06-01T10:32:40.10 10.0 undecidable manual PG 37 0.0041 0.01 1.7
--.MNO.Z. 2004-06-01T10:32:37.63 10.0 undecidable manual PG 293 0.0031 0.16 1.7
--.EMP.Z. 2004-06-01T10:32:36.60 10.0 undecidable manual SG 221 0.0013 0.52 0.3
--.EMP.Z. 2004-06-01T10:32:32.54 10.0 undecidable manual PG 221 0.0013 -0.52 1.4
--.ECC.Z. 2004-06-01T10:32:32.13 10.0 undecidable manual PG 199 0.0007 0.5 0.9
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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