Earthquake with magnitude of Md 3.6 on date 13-06-1985 and time 23:18:22 (Italy) in region Costa Catanese (Catania)

A magnitude Md 3.6 earthquake occured in region: Costa Catanese (Catania), on

  • 13-06-1985 21:18:22 (UTC)
  • 13-06-1985 23:18:22 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.41, 15.33 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

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km E of Catania (314555 inhabitants)
27 Km SE of Acireale (52622 inhabitants)
39 Km N of Siracusa (122291 inhabitants)
76 Km NE of Ragusa (73313 inhabitants)
79 Km NE of Modica (54633 inhabitants)
83 Km SW of Reggio di Calabria (183035 inhabitants)
87 Km NE of Vittoria (63339 inhabitants)
90 Km S of Messina (238439 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 3.6 1985-06-13
21:18:22
37.41 15.33 10 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 8479
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-06-13 21:18:22 ± 1.033
Latitude 37.41 ± 0.06
Longitude 15.33 ± 0.06
Depth (km) 10 ± 6 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 8479

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) 8265.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 222
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 31
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.8
Epicentral distance of station closest to the epicenter (degree) 0.00664
Epicentral distance of station farthest from the epicenter (degree) 0.09026
Number of stations at which the event was observed 29
Number of stations from which data was used for origin computation 29
Magnitude information

Md:3.6

Field Value
Value 3.6
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 8479
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:12:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.BN9.Z. 1985-06-13T21:20:47.00 10.0 undecidable manual PN 322 0.0903 1.11 0.4
--.ORO.Z. 1985-06-13T21:20:43.50 10.0 undecidable manual PN 328 0.089 -0.38 0.8
--.FO1.Z. 1985-06-13T21:20:35.50 10.0 undecidable manual PN 349 0.0843 -1.34 0.4
--.RBL.Z. 1985-06-13T21:20:34.50 10.0 undecidable manual PN 352 0.0821 1.1 0.5
--.CTI.Z. 1985-06-13T21:20:31.50 10.0 undecidable manual PN 343 0.0815 -1.05 0.5
--.BD1.Z. 1985-06-13T21:20:12.50 10.0 undecidable manual PN 333 0.0679 0.62 0.8
--.CH1.Z. 1985-06-13T21:19:59.00 10.0 undecidable manual PN 338 0.0605 -1.51 0.3
--.AR1.Z. 1985-06-13T21:19:56.50 10.0 undecidable manual PN 344 0.0571 1.13 0.6
--.AS1.Z. 1985-06-13T21:19:51.50 10.0 undecidable manual PN 341 0.0541 0.84 0.8
--.PO9.Z. 1985-06-13T21:19:45.00 10.0 positive manual PN 341 0.0492 1.63 0.6
--.MNS.Z. 1985-06-13T21:19:43.50 10.0 undecidable manual PN 338 0.0483 1.58 0.3
--.PT9.Z. 1985-06-13T21:19:35.50 10.0 undecidable manual SN 258 0.0245 -1.91 0.1
--.SD1.Z. 1985-06-13T21:19:27.50 10.0 undecidable manual PN 345 0.0401 -1.83 0.2
--.DUI.Z. 1985-06-13T21:19:26.00 10.0 undecidable manual PN 351 0.0387 -1.21 0.6
--.SGG.Z. 1985-06-13T21:19:22.50 10.0 undecidable manual PN 349 0.0363 -1.18 0.7
--.BAI.Z. 1985-06-13T21:19:21.00 10.0 undecidable manual PN 17 0.0349 -0.52 1.2
--.PE1.Z. 1985-06-13T21:19:19.50 10.0 undecidable manual PN 25 0.0338 -0.33 1.3
--.BRT.Z. 1985-06-13T21:19:19.20 10.0 positive manual PN 21 0.0336 -0.3 2.5
--.TR9.Z. 1985-06-13T21:19:18.00 10.0 positive manual PN 358 0.0327 -0.09 2.6
--.LCI.Z. 1985-06-13T21:19:18.50 10.0 undecidable manual PN 35 0.0327 0.38 1.2
--.BS1.Z. 1985-06-13T21:19:14.50 10.0 undecidable manual PN 353 0.0304 -0.16 1.3
--.SGO.Z. 1985-06-13T21:19:12.80 10.0 undecidable manual PN 359 0.0283 1.39 0.5
--.ORI.Z. 1985-06-13T21:19:07.00 10.0 undecidable manual PN 17 0.0249 0.67 1.1
--.PT9.Z. 1985-06-13T21:19:05.00 10.0 undecidable manual PN 258 0.0245 -0.63 1.1
--.CSI.Z. 1985-06-13T21:19:02.50 10.0 undecidable manual PN 17 0.0223 0.13 1.3
--.FA1.Z. 1985-06-13T21:19:02.50 10.0 undecidable manual SN 264 0.0119 -1.62 0.2
--.ERC.Z. 1985-06-13T21:19:00.10 10.0 negative manual PN 287 0.0202 0.93 1.7
--.ROI.Z. 1985-06-13T21:19:00.50 10.0 undecidable manual PN 23 0.0213 -0.19 1.3
--.FA1.Z. 1985-06-13T21:18:46.50 10.0 positive manual PN 264 0.0119 0.1 2.6
--.RCI.Z. 1985-06-13T21:18:37.50 10.0 positive manual PG 19 0.0066 0.52 2.3
--.MSI.Z. 1985-06-13T21:18:37.00 10.0 positive manual PG 12 0.0073 -1.36 1
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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