Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of M 4.5 on date 14-02-1986 and time 18:24:44 (UTC) in region Mar Ionio Meridionale (MARE)

A magnitude M 4.5 earthquake occured in region: Mar Ionio Meridionale (MARE), on

  • 14-02-1986 18:24:44 (UTC)
  • 14-02-1986 19:24:44 (UTC +01:00) Italian time
  • 14-02-1986 20:24:44 (UTC +02:00) local time in the region of the earthquake (Europe/Athens)

and geographic coordinates (lat, lon) 37.4290, 20.1760 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 4.5 1986-02-14
18:24:44		 37.429 20.176 10 2013-07-15
08:41:04		 Bollettino Sismico Italiano INGV 22709
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-02-14 18:24:44 ± 0.602
Latitude 37.4290 ± 0.0420
Longitude 20.1760 ± 0.0348
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 22709

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) 5590.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 241
Number of associated phases, regardless of their use for origin computation 35
Number of defining phases 35
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.6
Epicentral distance of station closest to the epicenter (degree) 0.02202
Epicentral distance of station farthest from the epicenter (degree) 0.08807
Number of stations at which the event was observed 28
Number of stations from which data was used for origin computation 28
Magnitude information

M:4.5

Field Value
Value 4.5
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 22709
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
--.VOY.Z. 1986-02-14T18:28:48.00 10.0 undecidable manual SN 333 9.7791 0.15 0.4
--.LJU.Z. 1986-02-14T18:28:43.00 10.0 undecidable manual SN 335 9.5682 0.05 0.4
--.CEY.Z. 1986-02-14T18:28:37.70 10.0 undecidable manual SN 334 9.3351 0.32 0.4
--.VOY.Z. 1986-02-14T18:27:04.00 10.0 undecidable manual PN 333 9.7791 -1.04 0.5
--.LJU.Z. 1986-02-14T18:27:02.00 10.0 undecidable manual PN 335 9.5682 -0.2 1.1
--.TR9.Z. 1986-02-14T18:26:59.20 10.0 undecidable manual SN 314 5.2614 -1.05 0.3
--.CEY.Z. 1986-02-14T18:26:59.40 10.0 undecidable manual PN 334 9.3351 0.41 1.1
--.TTG.Z. 1986-02-14T18:26:53.50 10.0 undecidable manual SN 352 5.0394 -1.56 0.1
--.SGO.Z. 1986-02-14T18:26:52.50 10.0 undecidable manual SN 311 4.8951 0.75 0.4
--.PZI.Z. 1986-02-14T18:26:34.20 10.0 undecidable manual SN 266 4.1736 -0.16 0.6
--.NKY.Z. 1986-02-14T18:26:05.00 10.0 undecidable manual PN 350 5.4501 -0.53 1.2
--.TR9.Z. 1986-02-14T18:26:03.40 10.0 undecidable manual PN 314 5.2614 0.48 1.4
--.PVY.Z. 1986-02-14T18:26:01.00 10.0 undecidable manual PN 358 5.1615 -0.55 1.2
--.TTG.Z. 1986-02-14T18:26:00.10 10.0 undecidable manual PN 352 5.0394 0.18 1.6
--.SGO.Z. 1986-02-14T18:25:59.60 10.0 undecidable manual PN 311 4.8951 1.59 0.3
--.BDV.Z. 1986-02-14T18:25:57.00 10.0 undecidable manual PN 348 4.9506 -1.73 0.2
--.BCI.Z. 1986-02-14T18:25:57.80 10.0 undecidable manual PN 358 4.9284 -0.59 1.2
--.SDA.Z. 1986-02-14T18:25:55.80 10.0 undecidable manual PN 353 4.6065 1.82 0.2
--.CDM.Z. 1986-02-14T18:25:55.50 10.0 undecidable manual PN 321 4.7286 -0.14 1.5
--.MG9.Z. 1986-02-14T18:25:54.00 10.0 undecidable manual PN 308 4.4955 1.53 0.4
--.SKO.Z. 1986-02-14T18:25:54.00 10.0 undecidable manual PN 11 4.6398 -0.38 1.4
--.BAI.Z. 1986-02-14T18:25:51.50 10.0 undecidable manual PN 326 4.4622 -0.56 1.2
--.VAY.Z. 1986-02-14T18:25:49.40 10.0 undecidable manual PN 24 4.2957 -0.38 1.4
--.BRT.Z. 1986-02-14T18:25:49.00 10.0 undecidable manual PN 326 4.1625 1.16 0.7
--.PHP.Z. 1986-02-14T18:25:48.40 10.0 undecidable manual PN 2 4.2513 -0.74 1
--.PZI.Z. 1986-02-14T18:25:47.20 10.0 undecidable manual PN 266 4.1736 -0.77 0.9
--.PE1.Z. 1986-02-14T18:25:45.00 10.0 undecidable manual PN 328 3.9849 -0.45 1.3
--.TIR.Z. 1986-02-14T18:25:44.50 10.0 undecidable manual PN 356 3.9183 0 1.6
--.ORI.Z. 1986-02-14T18:25:44.50 10.0 undecidable manual PN 313 3.9072 0.12 1.6
--.OHR.Z. 1986-02-14T18:25:42.10 10.0 undecidable manual PN 7 3.7074 0.51 1.4
--.ROI.Z. 1986-02-14T18:25:39.00 10.0 undecidable manual PN 308 3.5298 -0.27 1.4
--.LCI.Z. 1986-02-14T18:25:37.00 10.0 undecidable manual PN 331 3.3078 0.82 1.1
--.KBN.Z. 1986-02-14T18:25:36.20 10.0 negative manual PN 8 3.219 1.26 1.1
--.GR9.Z. 1986-02-14T18:25:35.00 10.0 undecidable manual PN 296 3.2412 -0.32 1.4
--.SRN.Z. 1986-02-14T18:25:24.50 10.0 positive manual PN 356 2.442 0.18 3.1
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download