Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of M 3.6 on date 18-02-1985 and time 20:14:04 (Italy) in region Confine Grecia Albania (GRECIA, ALBANIA)

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

  • 18-02-1985 19:14:04 (UTC)
  • 18-02-1985 20:14:04 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 39.9580, 20.3020 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.

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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 1985-02-18
19:14:04		 39.958 20.302 10 2013-07-15
08:41:04		 Bollettino Sismico Italiano INGV 1959
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-02-18 19:14:04 ± 0.408
Latitude 39.9580 ± 0.0345
Longitude 20.3020 ± 0.0345
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 1959

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) 4837.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 100
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 34
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.9
Epicentral distance of station closest to the epicenter (degree) 0.00219
Epicentral distance of station farthest from the epicenter (degree) 0.07892
Number of stations at which the event was observed 30
Number of stations from which data was used for origin computation 30
Magnitude information

M:3.6

Field Value
Value 3.6
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 1959
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 09:50:03
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.CTI.Z. 1985-02-18T19:17:44.00 10.0 undecidable manual SN 316 8.7579 0.58 0.3
--.SD1.Z. 1985-02-18T19:16:20.00 10.0 undecidable manual SN 291 5.2059 1.29 0.3
--.CTI.Z. 1985-02-18T19:16:09.50 10.0 undecidable manual PN 316 8.7579 -1.33 0.5
--.VOY.Z. 1985-02-18T19:15:55.00 10.0 undecidable manual PN 324 7.659 -0.63 1
--.CH1.Z. 1985-02-18T19:15:51.00 10.0 undecidable manual PN? 303 7.215 1.46 0.2
--.SGO.Z. 1985-02-18T19:15:47.50 10.0 undecidable manual SN 280 3.8406 1.01 0.4
--.AS1.Z. 1985-02-18T19:15:40.00 10.0 undecidable manual PN 300 6.4935 0.24 1.2
--.MNS.Z. 1985-02-18T19:15:35.00 10.0 undecidable manual PN 295 6.216 -0.83 1
--.SD1.Z. 1985-02-18T19:15:22.00 10.0 undecidable manual PN 291 5.2059 0.08 1.4
--.SGG.Z. 1985-02-18T19:15:16.30 10.0 undecidable manual PN 289 4.6953 1.24 0.8
--.DUI.Z. 1985-02-18T19:15:15.00 10.0 undecidable manual PN 292 4.7286 -0.4 1.4
--.SOR.Z. 1985-02-18T19:15:12.50 10.0 undecidable manual PN 279 4.5843 -0.92 1.2
--.TR9.Z. 1985-02-18T19:15:05.90 10.0 negative manual PN 287 3.996 0.54 2.8
--.SGO.Z. 1985-02-18T19:15:03.50 10.0 undecidable manual PN 280 3.8406 0.18 1.6
--.LCI.Z. 1985-02-18T19:14:56.00 10.0 undecidable manual SN 283 1.7094 0.41 0.6
--.MMN.Z. 1985-02-18T19:14:56.70 10.0 undecidable manual PN 270 3.2967 0.95 1.1
--.ROI.Z. 1985-02-18T19:14:51.00 10.0 undecidable manual PN 263 2.886 0.87 1.2
--.ORI.Z. 1985-02-18T19:14:51.00 10.0 undecidable manual PN 272 2.9526 0.04 1.7
--.HCY.Z. 1985-02-18T19:14:50.00 10.0 undecidable manual PN 331 2.8305 0.71 1.4
--.TTG.Z. 1985-02-18T19:14:48.00 10.0 undecidable manual PN 342 2.5863 2.04 0.3
--.BAI.Z. 1985-02-18T19:14:48.00 10.0 undecidable manual PN 294 2.8416 -1.41 0.9
--.BRT.Z. 1985-02-18T19:14:45.00 10.0 undecidable manual PN 291 2.5641 -0.65 1.5
--.SKO.Z. 1985-02-18T19:14:42.40 10.0 negative manual PN 22 2.1867 1.97 0.4
--.VAY.Z. 1985-02-18T19:14:41.70 10.0 undecidable manual PN 50 2.1867 1.2 1
--.ULC.Z. 1985-02-18T19:14:40.60 10.0 undecidable manual PN 338 2.1423 0.62 1.5
--.PE1.Z. 1985-02-18T19:14:40.50 10.0 undecidable manual PN 291 2.3421 -2.14 0.3
--.VLS.Z. 1985-02-18T19:14:36.00 10.0 undecidable manual PN 172 1.7871 0.98 1.1
--.LCI.Z. 1985-02-18T19:14:34.00 10.0 undecidable manual PN 283 1.7094 0.07 1.7
--.TIR.Z. 1985-02-18T19:14:30.50 10.0 positive manual PN 346 1.4208 0.52 1.6
--.OHR.Z. 1985-02-18T19:14:25.60 10.0 undecidable manual PN 17 1.1988 -1.44 0.8
--.KZN.Z. 1985-02-18T19:14:24.80 10.0 undecidable manual PN 72 1.1655 -1.72 0.6
--.VLO.Z. 1985-02-18T19:14:18.70 10.0 positive manual PG 309 0.7881 -1.56 0.7
--.KBN.Z. 1985-02-18T19:14:18.20 10.0 positive manual PG 28 0.7548 -1.3 0.9
--.SRN.Z. 1985-02-18T19:14:07.90 10.0 positive manual PG 251 0.2442 -2.07 0.4
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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