Earthquake with magnitude of Md 2.4 on date 27-10-1985 and time 02:23:06 (UTC) in region 4 km S Santa Venerina (CT)

A magnitude Md 2.4 earthquake occured in region: 4 km S Santa Venerina (CT), on

  • 27-10-1985 02:23:06 (UTC)
  • 27-10-1985 03:23:06 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.654, 15.129 at 10 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
Santa Venerina CT 4 8592 8592
Zafferana Etnea CT 5 9517 18109
Aci Sant'Antonio CT 5 17984 36093
Viagrande CT 6 8563 44656
Acireale CT 6 52622 97278
Aci Catena CT 6 29851 127129
Trecastagni CT 6 10910 138039
Aci Bonaccorsi CT 6 3524 141563
Pedara CT 7 14102 155665
Milo CT 8 1087 156752
Valverde CT 8 7840 164592
San Giovanni la Punta CT 9 23060 187652
Giarre CT 10 27659 215311
Nicolosi CT 10 7463 222774
San Gregorio di Catania CT 10 11966 234740
Tremestieri Etneo CT 10 20589 255329
Sant'Alfio CT 10 1582 256911
Aci Castello CT 11 18723 275634
Riposto CT 11 14838 290472
Mascalucia CT 11 31958 322430
Sant'Agata li Battiati CT 11 9479 331909
Gravina di Catania CT 12 25838 357747
San Pietro Clarenza CT 13 7743 365490
Mascali CT 13 14282 379772
Camporotondo Etneo CT 14 5023 384795
Belpasso CT 15 28108 412903
Ragalna CT 17 3924 416827
Fiumefreddo di Sicilia CT 17 9623 426450
Catania CT 17 314555 741005
Piedimonte Etneo CT 18 3963 744968
Misterbianco CT 18 49410 794378

Municipalities with at least 50000 inhabitants

An earthquake occurred to
6 Km NW of Acireale (52622 inhabitants)
17 Km N of Catania (314555 inhabitants)
68 Km N of Siracusa (122291 inhabitants)
68 Km SW of Reggio di Calabria (183035 inhabitants)
71 Km SW of Messina (238439 inhabitants)
88 Km NE of Ragusa (73313 inhabitants)
94 Km NE of Modica (54633 inhabitants)
94 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 2.4 1985-10-27
02:23:06
37.654 15.129 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 15039
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-10-27 02:23:06 ± 0.251
Latitude 37.6540 ± 0.0223
Longitude 15.1290 ± 0.0203
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 15039

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) 3057.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 148
Number of associated phases, regardless of their use for origin computation 6
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00575
Epicentral distance of station farthest from the epicenter (degree) 0.0157
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

Md:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 15039
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:17:49
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.CZI.Z. 1985-10-27T02:23:36.00 10.0 undecidable manual PN 26 0.0157 -0.15 1.1
--.PA1.Z. 1985-10-27T02:23:29.50 10.0 undecidable manual SG 195 0.0057 0.76 0.1
--.DR2.Z. 1985-10-27T02:23:28.50 10.0 undecidable manual PN 32 0.0105 0.26 1.2
--.GIB.Z. 1985-10-27T02:23:24.50 10.0 undecidable manual PG 291 0.0083 0.02 1.7
--.GA2.Z. 1985-10-27T02:23:21.00 10.0 undecidable manual PG 46 0.0067 -0.16 1.5
--.PA1.Z. 1985-10-27T02:23:18.50 10.0 undecidable manual PG 195 0.0057 -0.66 0.4
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