Earthquake with magnitude of M 2.0 on date 23-05-1991 and time 21:23:58 (Italy) in region Bosnia and Herz. [Land]

A magnitude M 2.0 earthquake occured in region: Bosnia and Herz. [Land], on

  • 23-05-1991 19:23:58 (UTC)
  • 23-05-1991 21:23:58 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.1300, 18.2100 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
Bulletin
Rev1000
M 2.0 1991-05-23
19:23:58
43.13 18.21 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 141779
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1991-05-23 19:23:58 ± 0.337
Latitude 43.1300 ± 0.0128
Longitude 18.2100 ± 0.0232
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 141779

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) 2361.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 273
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00300
Epicentral distance of station farthest from the epicenter (degree) 0.01133
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitude information

M:2.0

Field Value
Value 2.0
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 141779
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 09:23:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.BDV.Z. 1991-05-23T19:24:31.97 10.0 undecidable manual SG 151 0.9546 0.45 0.2
--.PLE.Z. 1991-05-23T19:24:28.97 10.0 undecidable manual SG 76 0.8769 -0.13 0.5
--.HCY.Z. 1991-05-23T19:24:24.14 10.0 undecidable manual SG 162 0.7104 0.52 0.1
--.IVA.Z. 1991-05-23T19:24:22.68 10.0 negative manual PN 101 1.2543 0.55 0.3
--.NKY.Z. 1991-05-23T19:24:21.99 10.0 undecidable manual SG 118 0.6549 0.19 0.5
--.TTG.Z. 1991-05-23T19:24:18.90 10.0 negative manual PN 132 1.0323 -0.23 1.4
--.BDV.Z. 1991-05-23T19:24:17.34 10.0 negative manual PG 151 0.9546 -0.34 1
--.PLE.Z. 1991-05-23T19:24:16.26 10.0 negative manual PG 76 0.8769 -0.02 2
--.HCY.Z. 1991-05-23T19:24:13.10 10.0 negative manual PG 162 0.7104 -0.02 2.1
--.NKY.Z. 1991-05-23T19:24:11.82 10.0 positive manual PG 118 0.6549 -0.25 1.5
--.BRY.Z. 1991-05-23T19:24:10.99 10.0 undecidable manual SG 133 0.333 -0.45 0.2
--.BRY.Z. 1991-05-23T19:24:06.20 10.0 positive manual PG 133 0.333 0.12 2
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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