Earthquake with magnitude of Md 3.3 on date 10-10-1985 and time 19:26:06 (UTC) in region 1 km SE Aci Sant'Antonio (CT)

A magnitude Md 3.3 earthquake occured in region: 1 km SE Aci Sant'Antonio (CT), on

  • 10-10-1985 19:26:06 (UTC)
  • 10-10-1985 20:26:06 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.601, 15.132 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
Aci Sant'Antonio CT 1 17984 17984
Aci Catena CT 1 29851 47835
Aci Bonaccorsi CT 2 3524 51359
Valverde CT 2 7840 59199
Viagrande CT 3 8563 67762
Acireale CT 3 52622 120384
San Giovanni la Punta CT 4 23060 143444
San Gregorio di Catania CT 4 11966 155410
Trecastagni CT 5 10910 166320
Aci Castello CT 5 18723 185043
Tremestieri Etneo CT 6 20589 205632
Sant'Agata li Battiati CT 6 9479 215111
Pedara CT 7 14102 229213
Mascalucia CT 8 31958 261171
Gravina di Catania CT 8 25838 287009
Nicolosi CT 9 7463 294472
Santa Venerina CT 10 8592 303064
San Pietro Clarenza CT 10 7743 310807
Zafferana Etnea CT 11 9517 320324
Catania CT 12 314555 634879
Camporotondo Etneo CT 12 5023 639902
Belpasso CT 14 28108 668010
Milo CT 14 1087 669097
Misterbianco CT 14 49410 718507
Giarre CT 15 27659 746166
Riposto CT 16 14838 761004
Sant'Alfio CT 16 1582 762586
Motta Sant'Anastasia CT 17 12116 774702
Ragalna CT 17 3924 778626
Mascali CT 18 14282 792908

Municipalities with at least 50000 inhabitants

An earthquake occurred to
3 Km W of Acireale (52622 inhabitants)
12 Km NE of Catania (314555 inhabitants)
62 Km N of Siracusa (122291 inhabitants)
72 Km SW of Reggio di Calabria (183035 inhabitants)
76 Km SW of Messina (238439 inhabitants)
83 Km NE of Ragusa (73313 inhabitants)
89 Km NE of Modica (54633 inhabitants)
89 Km NE of Vittoria (63339 inhabitants)
95 Km E of Caltanissetta (63360 inhabitants)
98 Km NE of Gela (75827 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 3.3 1985-10-10
19:26:06
37.601 15.132 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 14439
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-10-10 19:26:06 ± 0.26
Latitude 37.6010 ± 0.0222
Longitude 15.1320 ± 0.0275
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 14439

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) 3460
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 144
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.7
Epicentral distance of station closest to the epicenter (degree) 0.00534
Epicentral distance of station farthest from the epicenter (degree) 0.03254
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 17
Magnitude information

Md:3.3

Field Value
Value 3.3
Uncertainty
Num. used stations 5
Type of magnitude Md
Reference to an origin 14439
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:17:20
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.CV9.Z. 1985-10-10T19:27:04.00 10.0 undecidable manual SN 272 0.0167 1.15 0.3
--.BRT.Z. 1985-10-10T19:27:03.00 10.0 undecidable manual PN 24 0.0325 -0.52 0.8
--.TR9.Z. 1985-10-10T19:27:02.40 10.0 undecidable manual PN 1 0.0309 1.34 0.3
--.SGO.Z. 1985-10-10T19:26:54.50 10.0 undecidable manual PN 2 0.0266 0.09 1.1
--.FA1.Z. 1985-10-10T19:26:49.00 10.0 undecidable manual SN 254 0.0108 1.54 0.2
--.MMN.Z. 1985-10-10T19:26:46.50 10.0 undecidable manual PN 15 0.0215 0.01 1.3
--.ROI.Z. 1985-10-10T19:26:45.50 10.0 undecidable manual PN 29 0.0204 0.62 1
--.SE2.Z. 1985-10-10T19:26:40.60 10.0 undecidable manual PN 40 0.0168 1.05 0.7
--.CV9.Z. 1985-10-10T19:26:40.50 10.0 undecidable manual PN 272 0.0167 1.28 0.5
--.ACI.Z. 1985-10-10T19:26:40.50 10.0 undecidable manual PN 25 0.0174 0.11 1.5
--.GIB.Z. 1985-10-10T19:26:39.00 10.0 undecidable manual SG 294 0.0086 -1.48 0.2
--.CZI.Z. 1985-10-10T19:26:38.80 10.0 undecidable manual PN 25 0.0161 0.36 1.4
--.RI2.Z. 1985-10-10T19:26:33.40 10.0 undecidable manual PN 51 0.0121 1.2 0.6
--.MSI.Z. 1985-10-10T19:26:31.50 10.0 undecidable manual SG 28 0.0062 -0.41 0.9
--.FA1.Z. 1985-10-10T19:26:30.50 10.0 undecidable manual PN 254 0.0108 0.17 1.6
--.DR2.Z. 1985-10-10T19:26:30.40 10.0 undecidable manual PN 30 0.0109 -0.09 1.6
--.RCI.Z. 1985-10-10T19:26:30.00 10.0 undecidable manual SG 38 0.0057 -0.53 0.5
--.GIB.Z. 1985-10-10T19:26:25.50 10.0 negative manual PG 294 0.0086 -0.8 2.1
--.GA2.Z. 1985-10-10T19:26:21.60 10.0 undecidable manual PG 43 0.007 -1.63 0.3
--.RCI.Z. 1985-10-10T19:26:20.50 10.0 undecidable manual PG 38 0.0057 -0.05 1.6
--.MSI.Z. 1985-10-10T19:26:20.60 10.0 undecidable manual PG 28 0.0062 -0.75 1.1
--.PA1.Z. 1985-10-10T19:26:18.80 10.0 negative manual PG 196 0.0053 -0.82 2.1
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