Earthquake with magnitude of ML-VAX 4.0 on date 21-04-1985 and time 20:13:21 (Italy) in region Croatia [Land]

A magnitude ML-VAX 4.0 earthquake occured in region: Croatia [Land], on

  • 21-04-1985 18:13:21 (UTC)
  • 21-04-1985 20:13:21 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.86, 16.55 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 ML-VAX 4.0 1985-04-21
18:13:21
43.86 16.55 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 5209
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-04-21 18:13:21 ± 0.164
Latitude 43.86 ± 0.01
Longitude 16.55 ± 0.02
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 5209

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) 2348
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 121
Number of associated phases, regardless of their use for origin computation 78
Number of defining phases 78
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) 0.01214
Epicentral distance of station farthest from the epicenter (degree) 0.06435
Number of stations at which the event was observed 65
Number of stations from which data was used for origin computation 65
Magnitude information

ML:4

Field Value
Value 4
Uncertainty
Num. used stations 11
Type of magnitude ML
Reference to an origin 5209
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 13:07:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.STV.Z. 1985-04-21T18:16:11.00 10.0 undecidable manual SN 277 0.0597 1.59 0.1
--.ROB.Z. 1985-04-21T18:16:02.00 10.0 undecidable manual SN 278 0.0561 1.81 0.1
--.ORO.Z. 1985-04-21T18:16:01.50 10.0 undecidable manual SN 290 0.0569 -0.81 0.3
--.VAI.N. 1985-04-21T18:15:49.30 10.0 undecidable manual SN 294 0.0527 -1.88 0.1
--.SAL.Z. 1985-04-21T18:15:22.00 10.0 undecidable manual SN 295 0.0415 0.4 0.7
--.ROI.Z. 1985-04-21T18:15:16.50 10.0 undecidable manual SN 181 0.0385 2.77 0
--.CTI.Z. 1985-04-21T18:15:10.00 10.0 undecidable manual SN 305 0.0368 0.79 0.4
--.CSI.Z. 1985-04-21T18:15:09.80 10.0 undecidable manual SN 183 0.0367 1.01 0.3
--.FRF.Z. 1985-04-21T18:15:05.00 10.0 undecidable manual PN 272 0.0644 -0.59 0.8
--.FO1.Z. 1985-04-21T18:15:04.00 10.0 undecidable manual SN 318 0.0342 1.64 0.1
--.STV.Z. 1985-04-21T18:14:57.50 10.0 undecidable manual PN 277 0.0597 -0.88 0.7
--.GIB.Z. 1985-04-21T18:14:53.00 10.0 negative manual PN 199 0.0555 0.89 1.4
--.SGO.Z. 1985-04-21T18:14:53.50 10.0 undecidable manual SN 197 0.0308 0.24 0.6
--.ORO.Z. 1985-04-21T18:14:53.00 10.0 undecidable manual PN 290 0.0569 -1.27 0.4
--.ROB.Z. 1985-04-21T18:14:52.00 10.0 undecidable manual PN 278 0.0561 -1.05 0.6
--.CK1.Z. 1985-04-21T18:14:49.50 10.0 undecidable manual PN 279 0.0536 0.38 1.1
--.VAI.Z. 1985-04-21T18:14:47.20 10.0 undecidable manual PN 294 0.0527 -0.64 1.8
--.CVF.Z. 1985-04-21T18:14:47.60 10.0 undecidable manual PN 260 0.0516 1.45 0.4
--.PE1.Z. 1985-04-21T18:14:45.00 10.0 undecidable manual SN 169 0.0281 -1.02 0.5
--.BRT.Z. 1985-04-21T18:14:44.00 10.0 undecidable manual SN 172 0.0271 0.44 0.5
--.VAY.Z. 1985-04-21T18:14:38.00 10.0 undecidable manual PN 119 0.0459 0.55 1.1
--.BG1.Z. 1985-04-21T18:14:37.50 10.0 undecidable manual PN 295 0.0469 -1.41 0.4
--.TRI.Z. 1985-04-21T18:14:35.50 10.0 undecidable manual SN 315 0.0243 -0.62 0.5
--.SAL.Z. 1985-04-21T18:14:31.00 10.0 undecidable manual PN 295 0.0415 0.23 1.3
--.PS9.Z. 1985-04-21T18:14:28.00 10.0 undecidable manual PN 271 0.0391 0.95 0.8
--.PAG.Z. 1985-04-21T18:14:28.90 10.0 undecidable manual PN 303 0.0406 -0.38 1.2
--.ROI.Z. 1985-04-21T18:14:26.00 10.0 undecidable manual PN 181 0.0385 -0.23 1.3
--.CAV.Z. 1985-04-21T18:14:26.40 10.0 undecidable manual PN 307 0.039 -0.49 1.2
--.DDS.Z. 1985-04-21T18:14:26.00 10.0 undecidable manual PN 301 0.0387 -0.4 1.3
--.MA1.Z. 1985-04-21T18:14:25.50 10.0 undecidable manual PN 252 0.0376 0.61 1.1
--.OHR.Z. 1985-04-21T18:14:25.20 10.0 undecidable manual PN 131 0.0375 0.64 1.1
--.SKO.Z. 1985-04-21T18:14:24.00 10.0 undecidable manual PN 117 0.0363 1.08 0.7
--.CTI.Z. 1985-04-21T18:14:23.30 10.0 undecidable manual PN 305 0.0368 -0.31 1.3
--.CSI.Z. 1985-04-21T18:14:22.40 10.0 undecidable manual PN 183 0.0367 -0.97 0.8
--.FO1.Z. 1985-04-21T18:14:20.50 10.0 undecidable manual PN 318 0.0342 0.84 1
--.ORI.Z. 1985-04-21T18:14:19.00 10.0 negative manual PN 182 0.0342 -0.66 2.3
--.FIR.Z. 1985-04-21T18:14:19.00 10.0 undecidable manual PN 271 0.0343 -0.77 1
--.PHP.Z. 1985-04-21T18:14:18.00 10.0 undecidable manual PN 127 0.0322 1.39 0.5
--.RCL.Z. 1985-04-21T18:14:16.40 10.0 undecidable manual PN 312 0.0322 -0.21 1.4
--.LCI.Z. 1985-04-21T18:14:16.00 10.0 undecidable manual PN 162 0.0334 -2.3 0.1
--.SOR.Z. 1985-04-21T18:14:16.40 10.0 undecidable manual PN 208 0.0329 -1.28 0.6
--.KKS.Z. 1985-04-21T18:14:15.30 10.0 undecidable manual PN 122 0.03 2.06 0.1
--.TIR.Z. 1985-04-21T18:14:15.30 10.0 undecidable manual PN 135 0.0315 -0.13 1.4
--.OVO.Z. 1985-04-21T18:14:15.70 10.0 undecidable manual PN 209 0.0308 1.32 0.6
--.BOO.Z. 1985-04-21T18:14:14.20 10.0 undecidable manual PN 317 0.0311 -0.66 1.1
--.CH1.Z. 1985-04-21T18:14:14.50 10.0 undecidable manual PN 268 0.03 1.42 0.5
--.BUA.Z. 1985-04-21T18:14:13.30 10.0 undecidable manual PN 316 0.0304 -0.45 1.3
--.RBL.Z. 1985-04-21T18:14:13.50 10.0 undecidable manual PN 323 0.03 0.45 1.3
--.SGO.Z. 1985-04-21T18:14:13.00 10.0 undecidable manual PN 197 0.0308 -1.4 0.5
--.BAD.Z. 1985-04-21T18:14:12.60 10.0 undecidable manual PN 318 0.03 -0.49 1.3
--.BS1.Z. 1985-04-21T18:14:12.50 10.0 undecidable manual PN 204 0.03 -0.7 1.1
--.PRG.E. 1985-04-21T18:14:12.00 10.0 undecidable manual PN 258 0.0279 2.02 0.2
--.MNS.Z. 1985-04-21T18:14:11.50 10.0 undecidable manual PN 244 0.0286 0.42 1.3
--.COL.Z. 1985-04-21T18:14:11.00 10.0 undecidable manual PN 317 0.0287 -0.19 1.4
--.PUK.Z. 1985-04-21T18:14:10.50 10.0 undecidable manual PN 126 0.0274 1.3 0.6
--.PE1.Z. 1985-04-21T18:14:09.50 10.0 positive manual PN 169 0.0281 -0.73 2.2
--.DRE.Z. 1985-04-21T18:14:09.70 10.0 undecidable manual PN 320 0.0278 -0.12 1.4
--.PO9.Z. 1985-04-21T18:14:09.00 10.0 undecidable manual PN 246 0.0263 1.48 0.4
--.AS1.Z. 1985-04-21T18:14:08.00 10.0 undecidable manual PN? 256 0.0264 0.32 0.6
--.BRT.Z. 1985-04-21T18:14:07.50 10.0 undecidable manual PN 172 0.0271 -1.3 0.6
--.SD1.Z. 1985-04-21T18:14:07.10 10.0 negative manual PN 225 0.0265 -0.67 2.3
--.TR9.Z. 1985-04-21T18:14:07.90 10.0 undecidable manual PN 200 0.0267 -0.34 1.4
--.SGG.Z. 1985-04-21T18:14:07.30 10.0 undecidable manual PN 214 0.0265 -0.48 1.3
--.SDA.Z. 1985-04-21T18:14:07.30 10.0 undecidable manual PN 130 0.0255 0.96 0.9
--.AQU.Z. 1985-04-21T18:14:05.50 10.0 undecidable manual PN 239 0.0247 0.44 1.3
--.TRI.Z. 1985-04-21T18:14:04.50 10.0 undecidable manual PN 315 0.0243 -0.01 1.5
--.DUI.Z. 1985-04-21T18:14:04.20 10.0 undecidable manual PN 216 0.0241 0 1.5
--.BAI.Z. 1985-04-21T18:14:03.50 10.0 undecidable manual PN 176 0.0249 -1.8 0.2
--.AR1.Z. 1985-04-21T18:14:03.50 10.0 positive manual PN 264 0.0236 0.01 2.9
--.LJU.Z. 1985-04-21T18:14:03.00 10.0 undecidable manual PN 328 0.0235 -0.2 1.4
--.CM2.Z. 1985-04-21T18:14:02.20 10.0 undecidable manual PN 257 0.023 -0.27 2.8
--.TTG.Z. 1985-04-21T18:14:01.50 10.0 undecidable manual PN 126 0.0219 0.63 1.2
--.CEY.Z. 1985-04-21T18:14:01.20 10.0 undecidable manual PN 323 0.0216 0.8 1
--.ALP.Z. 1985-04-21T18:14:00.90 10.0 undecidable manual PN 245 0.0218 0.28 2.8
--.BDV.Z. 1985-04-21T18:13:59.00 10.0 undecidable manual PN 133 0.0206 0.16 1.4
--.MS1.Z. 1985-04-21T18:13:56.00 10.0 undecidable manual PN 193 0.0198 -1.58 0.4
--.HCY.Z. 1985-04-21T18:13:54.70 10.0 undecidable manual PN 135 0.018 -0.18 2.9
--.SAR.Z. 1985-04-21T18:13:44.50 10.0 negative manual PN 90 0.0121 -1.47 0.9
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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