Earthquake with magnitude of M 3.6 on date 23-12-1986 and time 06:35:10 (Italy) in region Confine Grecia Albania (GRECIA, ALBANIA)

A magnitude M 3.6 earthquake occured in region: Confine Grecia Albania (GRECIA, ALBANIA), on

  • 23-12-1986 05:35:10 (UTC)
  • 23-12-1986 06:35:10 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 40.5490, 20.7740 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

No Italian municipalities within 100 km from the epicenter with at least 50000 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
M 3.6 1986-12-23
05:35:10
40.549 20.774 10 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 38499
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-12-23 05:35:10 ± 0.424
Latitude 40.5490 ± 0.0212
Longitude 20.7740 ± 0.0375
Depth (km) 10 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 38499

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) 3951.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 118
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 21
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) 0.00065
Epicentral distance of station farthest from the epicenter (degree) 0.07528
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 19
Magnitude information

M:3.6

Field Value
Value 3.6
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 38499
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 09:23:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.FO1.Z. 1986-12-23T05:37:12.50 10.0 undecidable manual PN 319 8.3583 1.62 0.2
--.RBL.Z. 1986-12-23T05:37:03.00 10.0 undecidable manual PN 320 7.8588 -1.11 0.5
--.TRI.Z. 1986-12-23T05:36:57.00 10.0 undecidable manual PN 317 7.2483 1.27 0.4
--.ASS.Z. 1986-12-23T05:36:45.00 10.0 undecidable manual PN 295 6.5379 -0.96 0.7
--.ML9.Z. 1986-12-23T05:36:35.00 10.0 undecidable manual PN 234 5.6832 0.68 0.9
--.SD1.Z. 1986-12-23T05:36:29.00 10.0 undecidable manual PN 284 5.3502 -0.74 0.9
--.DUI.Z. 1986-12-23T05:36:23.50 10.0 undecidable manual PN 285 4.8729 0.42 1.2
--.SO9.Z. 1986-12-23T05:36:15.50 10.0 undecidable manual PN 237 4.4067 -1.08 0.7
--.SGO.Z. 1986-12-23T05:36:13.50 10.0 undecidable manual PN 271 4.1403 0.48 1.3
--.MG9.Z. 1986-12-23T05:36:11.20 10.0 undecidable manual PN 265 3.9849 0.29 1.4
--.GR9.Z. 1986-12-23T05:36:08.00 10.0 undecidable manual PN 243 3.7518 0.3 1.5
--.ATH.Z. 1986-12-23T05:36:04.20 10.0 undecidable manual PN 137 3.4299 0.96 0.9
--.BRT.Z. 1986-12-23T05:35:54.50 10.0 undecidable manual PN 277 2.7639 0.48 1.4
--.PE1.Z. 1986-12-23T05:35:50.00 10.0 undecidable manual PN 276 2.5419 -1.09 0.8
--.VLS.Z. 1986-12-23T05:35:48.20 10.0 undecidable manual PN 183 2.3754 -0.45 1.4
--.LCI.Z. 1986-12-23T05:35:44.50 10.0 undecidable manual PN 264 2.0313 0.5 1.3
--.SKO.Z. 1986-12-23T05:35:37.00 10.0 undecidable manual PN 19 1.4985 0.25 1.5
--.OHR.Z. 1986-12-23T05:35:31.10 10.0 undecidable manual SG 1 0.555 1.12 0.4
--.OHR.Z. 1986-12-23T05:35:20.70 10.0 negative manual PG 1 0.555 -0.83 2.1
--.KBN.Z. 1986-12-23T05:35:15.50 10.0 undecidable manual SG 3 0.0666 0.99 0.5
--.KBN.Z. 1986-12-23T05:35:11.20 10.0 positive manual PG 3 0.0666 -1.41 1
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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