Earthquake with magnitude of Md 4.3 on date 27-10-2002 and time 03:50:26 (Italy) in region 3 km NW Sant'Alfio (CT)

A magnitude Md 4.3 earthquake occured in region: 3 km NW Sant'Alfio (CT), on

  • 27-10-2002 02:50:26 (UTC)
  • 27-10-2002 03:50:26 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.76, 15.12 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.

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 3 1582 1582
Milo CT 4 1087 2669
Giarre CT 7 27659 30328
Mascali CT 7 14282 44610
Zafferana Etnea CT 7 9517 54127
Piedimonte Etneo CT 8 3963 58090
Riposto CT 8 14838 72928
Santa Venerina CT 8 8592 81520
Fiumefreddo di Sicilia CT 9 9623 91143
Linguaglossa CT 9 5403 96546
Calatabiano CT 12 5308 101854
Castiglione di Sicilia CT 14 3215 105069
Gaggi ME 15 3184 108253
Francavilla di Sicilia ME 16 3945 112198
Motta Camastra ME 16 845 113043
Trecastagni CT 16 10910 123953
Pedara CT 17 14102 138055
Viagrande CT 17 8563 146618
Moio Alcantara ME 17 717 147335
Giardini-Naxos ME 17 9415 156750
Acireale CT 17 52622 209372
Aci Sant'Antonio CT 17 17984 227356
Aci Catena CT 18 29851 257207
Graniti ME 18 1492 258699
Aci Bonaccorsi CT 18 3524 262223
Nicolosi CT 18 7463 269686
Castelmola ME 18 1088 270774
Taormina ME 18 10960 281734
Malvagna ME 19 733 282467
Randazzo CT 20 10900 293367
Valverde CT 20 7840 301207

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km N of Acireale (52622 inhabitants)
29 Km N of Catania (314555 inhabitants)
61 Km SW of Reggio di Calabria (183035 inhabitants)
62 Km SW of Messina (238439 inhabitants)
79 Km N of Siracusa (122291 inhabitants)
97 Km E of Caltanissetta (63360 inhabitants)
99 Km NE of Ragusa (73313 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 4.3
ML-MEDNET 4.8
2002-10-27
02:50:26
37.76 15.12 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 455959
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2002-10-27 02:50:26 ± 0.146
Latitude 37.76 ± 0.01
Longitude 15.12 ± 0.02
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 455959

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) 1791.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 103
Number of associated phases, regardless of their use for origin computation 56
Number of defining phases 56
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 1
Epicentral distance of station closest to the epicenter (degree) 0.00453
Epicentral distance of station farthest from the epicenter (degree) 0.08451
Number of stations at which the event was observed 55
Number of stations from which data was used for origin computation 55
Magnitudes information

Md:4.3

Field Value
Value 4.3
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 455959
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 00:11:39

ML:4.8

Field Value
Value 4.8
Uncertainty
Num. used stations
Type of magnitude ML
Reference to an origin 455959
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 10:38:22
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.VAI.Z. 2002-10-27T02:52:48.21 10.0 undecidable manual PN 332 0.0843 6.32 0
--.BRMO.Z. 2002-10-27T02:52:47.84 10.0 undecidable manual PN 339 0.0845 5.76 0
--.FVI.Z. 2002-10-27T02:52:39.23 10.0 undecidable manual PN 349 0.0809 2.6 0
--.PTCC.Z. 2002-10-27T02:52:35.19 10.0 undecidable manual PN 352 0.0786 2.1 0
--.CTI.Z. 2002-10-27T02:52:34.73 10.0 undecidable manual PN 343 0.078 2.52 0
--.TRI.Z. 2002-10-27T02:52:25.74 10.0 undecidable manual PN 353 0.072 2.68 0
--.ERBM.Z. 2002-10-27T02:52:24.74 10.0 undecidable manual PN 333 0.0678 8.11 0
--.GSCL.Z. 2002-10-27T02:52:22.76 10.0 undecidable manual PN 334 0.0667 7.79 0
--.ZCCA.Z. 2002-10-27T02:52:21.21 10.0 undecidable manual PN 336 0.0656 8.02 0
--.SEI.Z. 2002-10-27T02:52:17.68 10.0 undecidable manual PN 337 0.0621 9.81 0
--.BDI.Z. 2002-10-27T02:52:16.70 10.0 undecidable manual PN 333 0.0644 4.6 0
--.VMG.Z. 2002-10-27T02:52:11.51 10.0 undecidable manual PN 337 0.0608 5.57 0
--.PGD.Z. 2002-10-27T02:52:10.66 10.0 undecidable manual PN 338 0.0597 6.53 0
--.SFI.Z. 2002-10-27T02:52:08.15 10.0 undecidable manual PN 339 0.0595 4.16 0
--.CRE.Z. 2002-10-27T02:52:06.65 10.0 undecidable manual PN 338 0.0569 6.65 0
--.CSNT.Z. 2002-10-27T02:52:04.52 10.0 undecidable manual PN 334 0.0576 3.48 0
--.GRFL.Z. 2002-10-27T02:52:03.80 10.0 undecidable manual PN 331 0.0561 4.33 0
--.FSSB.Z. 2002-10-27T02:52:03.16 10.0 undecidable manual PN 344 0.0556 5.09 0
--.SNTG.Z. 2002-10-27T02:51:56.20 10.0 undecidable manual PN 344 0.0516 4.34 0
--.ASS.Z. 2002-10-27T02:51:53.69 10.0 undecidable manual PN 341 0.0505 3.4 0
--.MNS.Z. 2002-10-27T02:51:44.37 10.0 undecidable manual PN 338 0.0448 2.83 0
--.AQU.Z. 2002-10-27T02:51:41.28 10.0 undecidable manual PN 344 0.0429 2.61 0
--.PTQR.Z. 2002-10-27T02:51:38.84 10.0 undecidable manual PN 343 0.0401 4.51 0
--.RDP.Z. 2002-10-27T02:51:35.54 10.0 undecidable manual PN 336 0.0396 2 0
--.RNI2.Z. 2002-10-27T02:51:29.91 10.0 undecidable manual PN 349 0.036 1.74 0
--.FGMS.Z. 2002-10-27T02:51:28.89 10.0 undecidable manual PN 9 0.0359 0.88 0
--.RGNG.Z. 2002-10-27T02:51:28.17 10.0 undecidable manual PN 5 0.0353 1.11 0
--.RFI.Z. 2002-10-27T02:51:24.58 10.0 undecidable manual PN 346 0.0328 1.42 0
--.FG5.Z. 2002-10-27T02:51:23.95 10.0 undecidable manual PN 1 0.0317 2.47 0
--.LCI.Z. 2002-10-27T02:51:21.36 10.0 undecidable manual PN 41 0.0312 0.63 0
--.BRT.Z. 2002-10-27T02:51:21.77 10.0 undecidable manual PN 26 0.0313 0.79 0
--.FG4.Z. 2002-10-27T02:51:21.36 10.0 undecidable manual PN 5 0.0304 1.78 0
--.CSSN.Z. 2002-10-27T02:51:16.63 10.0 undecidable manual PN 358 0.0278 0.95 0
--.MRLC.Z. 2002-10-27T02:51:15.21 10.0 undecidable manual PN 5 0.027 0.78 0
--.SGO.Z. 2002-10-27T02:51:11.28 10.0 undecidable manual PN 3 0.0252 -0.31 0
--.ORI.Z. 2002-10-27T02:51:08.97 10.0 undecidable manual PN 23 0.0226 1.37 0.2
--.MGR.Z. 2002-10-27T02:51:05.31 10.0 undecidable manual PN 8 0.0215 -0.77 0.4
--.TDS.Z. 2002-10-27T02:51:02.11 10.0 undecidable manual PN 26 0.0191 -0.18 1
--.ERC.Z. 2002-10-27T02:51:01.27 10.0 undecidable manual PN 278 0.0181 0.5 1.1
--.USI.Z. 2002-10-27T02:50:55.98 10.0 undecidable manual PN 302 0.0161 -1.75 1.5
--.CLTB.Z. 2002-10-27T02:50:55.40 10.0 undecidable manual PN 263 0.0136 1.46 2.2
--.GRI.Z. 2002-10-27T02:50:53.71 10.0 undecidable manual PN 43 0.0132 0.34 2.4
--.MCT.Z. 2002-10-27T02:50:52.72 10.0 undecidable manual PN 263 0.0108 3.11 2.8
--.MPG.Z. 2002-10-27T02:50:52.77 10.0 undecidable manual PN 286 0.013 -0.21 2.2
--.FAVR.Z. 2002-10-27T02:50:51.67 10.0 undecidable manual PN 247 0.0112 1.4 2.8
--.AGST.Z. 2002-10-27T02:50:45.45 10.0 undecidable manual SG 170 0.0045 -0.13 3.6
--.SOI.Z. 2002-10-27T02:50:43.14 10.0 undecidable manual PG 66 0.0072 0.29 3.6
--.GIB.Z. 2002-10-27T02:50:43.47 10.0 undecidable manual PG 285 0.0079 -0.96 3.4
--.CSLB.Z. 2002-10-27T02:50:43.20 10.0 undecidable manual PG 282 0.0076 -0.57 3.4
--.SLNA.Z. 2002-10-27T02:50:42.25 10.0 undecidable manual PG 344 0.0074 -1.07 3.5
--.MEU.Z. 2002-10-27T02:50:40.22 10.0 undecidable manual PG 199 0.0062 -0.47 3.6
--.PZI.Z. 2002-10-27T02:50:40.23 10.0 undecidable manual PG 190 0.0064 -1.01 3.6
--.SCLL.Z. 2002-10-27T02:50:40.27 10.0 undecidable manual PG 43 0.0062 -0.38 3.6
--.MTTG.Z. 2002-10-27T02:50:38.54 10.0 undecidable manual PG 62 0.0046 0.94 3.6
--.MSI.Z. 2002-10-27T02:50:38.13 10.0 undecidable manual PG 37 0.005 -0.24 3.6
--.AGST.Z. 2002-10-27T02:50:37.50 10.0 undecidable manual PG 170 0.0045 -0.38 3.6
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
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