Earthquake with magnitude of M 4.3 on date 29-10-1985 and time 21:10:27 (UTC) in region Mar Ionio Meridionale (MARE)

A magnitude M 4.3 earthquake occured in region: Mar Ionio Meridionale (MARE), on

  • 29-10-1985 21:10:27 (UTC)
  • 29-10-1985 22:10:27 (UTC +01:00) Italian time
  • 29-10-1985 23:10:27 (UTC +02:00) local time in the region of the earthquake (Europe/Athens)

and geographic coordinates (lat, lon) 37.24, 20.35 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
Rev 1000 M 4.3 1985-10-29
21:10:27
37.24 20.35 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 15149
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-10-29 21:10:27 ± 0.898
Latitude 37.24 ± 0.07
Longitude 20.35 ± 0.04
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 15149

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) 8925.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 206
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 23
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) 0.02388
Epicentral distance of station farthest from the epicenter (degree) 0.06063
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 23
Magnitude information

M:4.3

Field Value
Value 4.3
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 15149
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 09:54:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.SD1.Z. 1985-10-29T21:12:05.50 10.0 undecidable manual PN 313 0.0606 -0.18 1.3
--.DUI.Z. 1985-10-29T21:12:02.00 10.0 undecidable manual PN 315 0.057 1.8 0.2
--.MSC.Z. 1985-10-29T21:11:59.90 10.0 undecidable manual PN 310 0.0569 -0.09 1.3
--.SGG.Z. 1985-10-29T21:11:58.80 10.0 undecidable manual PN 313 0.0558 0.45 1.2
--.TR9.Z. 1985-10-29T21:11:49.40 10.0 undecidable manual PN 315 0.0495 0.74 1.1
--.PVY.Z. 1985-10-29T21:11:46.50 10.0 undecidable manual PN 356 0.0482 -0.28 1.4
--.TTG.Z. 1985-10-29T21:11:44.20 10.0 undecidable manual PN 350 0.0473 -1.12 0.7
--.SGO.Z. 1985-10-29T21:11:44.50 10.0 undecidable manual PN 311 0.0462 0.8 1
--.BDV.Z. 1985-10-29T21:11:42.60 10.0 undecidable manual PN 347 0.0465 -1.63 0.3
--.GIB.Z. 1985-10-29T21:11:41.50 10.0 undecidable manual PN 280 0.0455 -1.15 0.7
--.SDA.Z. 1985-10-29T21:11:40.40 10.0 undecidable manual PN 352 0.0433 1.05 0.8
--.SKO.Z. 1985-10-29T21:11:38.00 10.0 undecidable manual PN 9 0.0432 -1.15 0.7
--.PHP.Z. 1985-10-29T21:11:34.40 10.0 undecidable manual PN 0 0.04 0.16 1.5
--.BRT.Z. 1985-10-29T21:11:33.50 10.0 undecidable manual PN 326 0.0396 -0.1 1.5
--.VAY.Z. 1985-10-29T21:11:32.50 10.0 undecidable manual PN 21 0.0398 -1.47 0.5
--.ORI.Z. 1985-10-29T21:11:31.00 10.0 undecidable manual PN 313 0.0373 0.9 1
--.TIR.Z. 1985-10-29T21:11:30.00 10.0 undecidable manual PN 354 0.0371 0.2 1.5
--.OHR.Z. 1985-10-29T21:11:26.20 10.0 undecidable manual PN 4 0.035 -0.34 1.5
--.MSI.Z. 1985-10-29T21:11:25.50 10.0 undecidable manual PN 285 0.0351 -1.36 0.6
--.KBN.Z. 1985-10-29T21:11:20.80 10.0 undecidable manual PN 5 0.0306 0.94 1
--.KZN.Z. 1985-10-29T21:11:17.70 10.0 undecidable manual PN 19 0.0293 -0.24 1.5
--.ATH.Z. 1985-10-29T21:11:12.30 10.0 undecidable manual PN 73 0.0249 1.15 0.7
--.SRN.Z. 1985-10-29T21:11:10.60 10.0 undecidable manual PN 353 0.0239 0.98 0.9
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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