Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of M 4.2 on date 12-05-1985 and time 20:41:52 (Italy) in region Bosnia and Herz. [Land]

A magnitude M 4.2 earthquake occured in region: Bosnia and Herz. [Land], on

  • 12-05-1985 18:41:52 (UTC)
  • 12-05-1985 20:41:52 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.02, 18.53 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 4.2 1985-05-12
18:41:52		 44.02 18.53 10 2013-07-15
08:41:04		 Bollettino Sismico Italiano INGV 6179
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-05-12 18:41:52 ± 0.339
Latitude 44.02 ± 0.02
Longitude 18.53 ± 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 6179

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) 3777.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 190
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) 0.6
Epicentral distance of station closest to the epicenter (degree) 0.00138
Epicentral distance of station farthest from the epicenter (degree) 0.06427
Number of stations at which the event was observed 29
Number of stations from which data was used for origin computation 29
Magnitude information

M:4.2

Field Value
Value 4.2
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 6179
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 09:39:34
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.VAI.Z. 1985-05-12T18:44:53.50 10.0 undecidable manual SN 288 0.0643 1.16 0.1
--.BD1.Z. 1985-05-12T18:44:19.00 10.0 undecidable manual SN 273 0.0512 1.03 0.2
--.MNS.Z. 1985-05-12T18:43:52.00 10.0 undecidable manual SN 250 0.041 1.03 0.2
--.VAI.Z. 1985-05-12T18:43:35.00 10.0 undecidable manual PN 288 0.0643 -1.15 0.4
--.CO9.Z. 1985-05-12T18:43:27.00 10.0 undecidable manual PN 279 0.0587 -0.67 0.8
--.PCN.Z. 1985-05-12T18:43:26.00 10.0 undecidable manual PN 282 0.0575 0.12 1.3
--.BRT.Z. 1985-05-12T18:43:22.40 10.0 undecidable manual SN 198 0.0297 1.36 0.1
--.BD1.Z. 1985-05-12T18:43:16.50 10.0 undecidable manual PN 273 0.0512 0.2 1.3
--.CTI.Z. 1985-05-12T18:43:10.50 10.0 negative manual PN 295 0.0474 0.13 2.8
--.FO1.Z. 1985-05-12T18:43:04.80 10.0 undecidable manual PN 304 0.0431 0.92 0.7
--.CH1.Z. 1985-05-12T18:43:04.50 10.0 undecidable manual PN 267 0.0428 1.05 0.6
--.MNS.Z. 1985-05-12T18:43:00.50 10.0 undecidable manual PN 250 0.041 -0.21 1.5
--.AS1.Z. 1985-05-12T18:42:57.00 10.0 undecidable manual PN 259 0.0392 -0.98 0.7
--.BS1.Z. 1985-05-12T18:42:56.50 10.0 undecidable manual PN 221 0.0381 0.2 1.5
--.RBL.Z. 1985-05-12T18:42:56.00 10.0 negative manual PN 306 0.0382 -0.45 2.6
--.SD1.Z. 1985-05-12T18:42:56.00 10.0 undecidable manual PN 237 0.0373 0.86 0.8
--.ORI.Z. 1985-05-12T18:42:55.80 10.0 undecidable manual PN 201 0.0383 -0.72 1
--.SGO.Z. 1985-05-12T18:42:55.00 10.0 undecidable manual PN? 215 0.0377 -0.7 0.4
--.AQU.Z. 1985-05-12T18:42:54.50 10.0 undecidable manual PN 247 0.0367 0.27 1.5
--.AR1.Z. 1985-05-12T18:42:53.80 10.0 undecidable manual PN 264 0.0365 -0.11 1.6
--.SGG.Z. 1985-05-12T18:42:52.50 10.0 undecidable manual PN 230 0.0362 -0.85 0.8
--.TR9.Z. 1985-05-12T18:42:51.90 10.0 undecidable manual PN 220 0.0345 1.14 0.5
--.CM2.Z. 1985-05-12T18:42:51.60 10.0 undecidable manual PN 259 0.0358 -1.19 0.5
--.DUI.Z. 1985-05-12T18:42:50.00 10.0 undecidable manual PN 232 0.0342 -0.28 1.5
--.TRI.Z. 1985-05-12T18:42:50.00 10.0 undecidable manual PN 298 0.0339 0.07 1.6
--.ALP.Z. 1985-05-12T18:42:50.70 10.0 undecidable manual PN 252 0.0342 0.32 1.5
--.LCI.Z. 1985-05-12T18:42:49.50 10.0 undecidable manual PN 184 0.0332 0.7 1
--.PE1.Z. 1985-05-12T18:42:45.00 10.0 undecidable manual PN 194 0.0298 1.43 0.3
--.BRT.Z. 1985-05-12T18:42:42.50 10.0 undecidable manual PN 198 0.0297 -0.93 0.7
--.BAI.Z. 1985-05-12T18:42:41.50 10.0 undecidable manual PN 203 0.0283 0.14 1.6
--.HCY.Z. 1985-05-12T18:42:19.50 10.0 undecidable manual PN 180 0.0141 -0.13 1.6
--.PLE.Z. 1985-05-12T18:42:10.70 10.0 undecidable manual PG 137 0.0083 0.32 1.5
--.SAR.Z. 1985-05-12T18:41:58.00 10.0 undecidable manual SG 206 0.0014 -1.1 0.2
--.SAR.Z. 1985-05-12T18:41:55.00 10.0 undecidable manual PG 206 0.0014 -1.13 0.5
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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