Earthquake with magnitude of M 2.8 on date 19-04-1991 and time 08:25:57 (Italy) in region Macedonia [Land]

A magnitude M 2.8 earthquake occured in region: Macedonia [Land], on

  • 19-04-1991 06:25:57 (UTC)
  • 19-04-1991 08:25:57 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.5090, 20.6090 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 2.8 1991-04-19
06:25:57
41.509 20.609 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 139419
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1991-04-19 06:25:57 ± 0.23
Latitude 41.5090 ± 0.0188
Longitude 20.6090 ± 0.0253
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 139419

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) 2967.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 93
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 25
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) 0.00194
Epicentral distance of station farthest from the epicenter (degree) 0.01854
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitude information

M:2.8

Field Value
Value 2.8
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 139419
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 09:36:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.BRY.Z. 1991-04-19T06:26:58.70 10.0 undecidable manual SN 312 0.0185 0.47 0.5
--.PLE.Z. 1991-04-19T06:26:57.19 10.0 undecidable manual SN 334 0.0182 0.5 0.5
--.HCY.Z. 1991-04-19T06:26:52.19 10.0 undecidable manual SN 301 0.0164 0.28 0.6
--.NKY.Z. 1991-04-19T06:26:50.50 10.0 undecidable manual SN 317 0.0159 0.03 0.7
--.BDV.Z. 1991-04-19T06:26:44.60 10.0 undecidable manual SN 300 0.0138 -0.35 0.7
--.IVA.Z. 1991-04-19T06:26:42.75 10.0 undecidable manual SN 338 0.0131 -0.43 0.7
--.TTG.Z. 1991-04-19T06:26:39.70 10.0 undecidable manual SN 312 0.0122 -1.73 0.1
--.PVY.Z. 1991-04-19T06:26:34.90 10.0 undecidable manual SN 336 0.0106 -1.7 0.1
--.BRY.Z. 1991-04-19T06:26:33.54 10.0 positive manual PN 312 0.0185 1.14 0.8
--.ULC.Z. 1991-04-19T06:26:32.42 10.0 undecidable manual SN! 294 0.0100 -2.45 0
--.PLE.Z. 1991-04-19T06:26:32.74 10.0 positive manual PN 334 0.0182 0.87 1.2
--.HCY.Z. 1991-04-19T06:26:29.40 10.0 positive manual PN 301 0.0164 -0.07 2.2
--.NKY.Z. 1991-04-19T06:26:29.27 10.0 negative manual PN 317 0.0159 0.99 1.1
--.BDV.Z. 1991-04-19T06:26:25.62 10.0 negative manual PN 300 0.0138 0.53 2
--.VAY.Z. 1991-04-19T06:26:24.30 10.0 undecidable manual PN 96 0.0133 -0.06 1.2
--.SKO.Z. 1991-04-19T06:26:24.20 10.0 undecidable manual SG 52 0.0069 -0.51 0.7
--.IVA.Z. 1991-04-19T06:26:24.97 10.0 negative manual PN 338 0.0131 0.9 1.4
--.TTG.Z. 1991-04-19T06:26:22.17 10.0 negative manual PN 312 0.0122 -0.53 2.1
--.PVY.Z. 1991-04-19T06:26:20.14 10.0 positive manual PN 336 0.0106 -0.13 2.6
--.ULC.Z. 1991-04-19T06:26:18.84 10.0 positive manual PN 294 0.0100 -0.44 2.3
--.OHR.Z. 1991-04-19T06:26:14.20 10.0 undecidable manual SG 160 0.0037 0.78 0.5
--.SKO.Z. 1991-04-19T06:26:12.00 10.0 undecidable manual PG 52 0.0069 -1.41 0.3
--.TIR.Z. 1991-04-19T06:26:08.50 10.0 undecidable manual PG 254 0.0052 -1.36 0.3
--.OHR.Z. 1991-04-19T06:26:06.00 10.0 positive manual PG 160 0.0037 -0.89 1.5
--.PHP.Z. 1991-04-19T06:26:00.50 10.0 undecidable manual PG! 324 0.0019 -2.64 0
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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