Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of M 4.8 on date 15-08-1985 and time 04:28:52 (UTC) in region Hungary

A magnitude M 4.8 earthquake occured in region: Hungary, on

  • 15-08-1985 04:28:52 (UTC)
  • 15-08-1985 06:28:52 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.91, 17.7 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 4.8 1985-08-15
04:28:52		 46.91 17.7 10 2013-07-15
08:41:04		 Bollettino Sismico Italiano INGV 11729
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-08-15 04:28:52 ± 1.696
Latitude 46.91 ± 0.10
Longitude 17.70 ± 0.14
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 11729

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) 14983.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 284
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 30
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.02663
Epicentral distance of station farthest from the epicenter (degree) 0.08661
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:4.8

Field Value
Value 4.8
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 11729
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 09:42:20
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.ERC.Z. 1985-08-15T04:31:12.50 10.0 undecidable manual PN 202 0.0866 1.44 0.1
--.GIB.Z. 1985-08-15T04:31:07.50 10.0 undecidable manual PN 195 0.0838 0.76 0.5
--.BN9.Z. 1985-08-15T04:30:46.70 10.0 undecidable manual PN 257 0.0707 -0.15 1.1
--.STV.Z. 1985-08-15T04:30:43.90 10.0 undecidable manual PN 250 0.0694 -0.87 0.4
--.MMN.Z. 1985-08-15T04:30:36.80 10.0 undecidable manual PN 187 0.0641 0.1 1.2
--.ORI.Z. 1985-08-15T04:30:33.00 10.0 undecidable manual PN 185 0.0622 -0.84 0.5
--.SOR.Z. 1985-08-15T04:30:30.90 10.0 undecidable manual PN 199 0.061 -0.94 0.4
--.OVO.Z. 1985-08-15T04:30:29.40 10.0 undecidable manual PN 199 0.0587 0.94 0.4
--.BS1.Z. 1985-08-15T04:30:28.50 10.0 undecidable manual PN? 196 0.0582 0.79 0.2
--.MA1.Z. 1985-08-15T04:30:27.00 10.0 undecidable manual PN 225 0.0581 -0.54 0.9
--.MSC.Z. 1985-08-15T04:30:25.80 10.0 undecidable manual PN 203 0.0567 0.33 1.1
--.VAI.Z. 1985-08-15T04:30:25.50 10.0 undecidable manual PN 260 0.0561 1.03 0.3
--.RDP.Z. 1985-08-15T04:30:24.80 10.0 undecidable manual PN 213 0.0563 0.06 1.3
--.TR9.Z. 1985-08-15T04:30:22.50 10.0 undecidable manual PN 194 0.055 -0.42 1
--.PS9.Z. 1985-08-15T04:30:21.00 10.0 undecidable manual PN 237 0.0536 0.33 1.1
--.BVT.Z. 1985-08-15T04:30:21.80 10.0 undecidable manual PN 246 0.0541 0.41 1.1
--.SD1.Z. 1985-08-15T04:30:19.00 10.0 negative manual PN 206 0.053 -0.75 1.2
--.MNS.Z. 1985-08-15T04:30:18.00 10.0 undecidable manual PN 217 0.0518 0.12 1.3
--.DUI.Z. 1985-08-15T04:30:17.70 10.0 negative manual PN 202 0.0516 0.1 2.6
--.BD1.Z. 1985-08-15T04:30:17.50 10.0 negative manual PN 239 0.0515 0.02 2.7
--.FIR.Z. 1985-08-15T04:30:15.00 10.0 undecidable manual PN 234 0.0495 0.63 0.8
--.PO9.Z. 1985-08-15T04:30:15.00 10.0 undecidable manual PN 216 0.0494 0.78 0.6
--.MS1.Z. 1985-08-15T04:30:12.00 10.0 undecidable manual PN 191 0.0482 -0.34 1.1
--.AS1.Z. 1985-08-15T04:30:10.50 10.0 undecidable manual PN 221 0.0471 -0.31 1.2
--.ALP.Z. 1985-08-15T04:30:09.00 10.0 undecidable manual PN 213 0.0455 0.72 0.7
--.SAL.Z. 1985-08-15T04:30:09.00 10.0 undecidable manual PN 255 0.0461 -0.14 1.3
--.CM2.Z. 1985-08-15T04:30:06.00 10.0 undecidable manual PN 219 0.0442 -0.28 2.4
--.AR1.Z. 1985-08-15T04:30:03.50 10.0 undecidable manual PN 223 0.043 -0.92 0.4
--.CTI.Z. 1985-08-15T04:29:57.00 10.0 undecidable manual PN 257 0.0382 -0.17 1.3
--.TRI.Z. 1985-08-15T04:29:39.00 10.0 undecidable manual PN 244 0.0266 -0.59 0.8
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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Type Description Link
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