Earthquake with magnitude of Md 3.5 on date 24-12-1990 and time 03:34:07 (Italy) in region Macedonia [Land]

A magnitude Md 3.5 earthquake occured in region: Macedonia [Land], on

  • 24-12-1990 02:34:07 (UTC)
  • 24-12-1990 03:34:07 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.158, 22.543 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
Md 3.5
ML-VAX 3.9
1990-12-24
02:34:07
41.158 22.543 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 132979
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1990-12-24 02:34:07 ± 1.358
Latitude 41.1580 ± 0.0829
Longitude 22.5430 ± 0.1287
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 132979

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) 14183.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 289
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
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) 0.031
Epicentral distance of station farthest from the epicenter (degree) 0.08338
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitudes information

Md:3.5

Field Value
Value 3.5
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 132979
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:03:55

ML:3.9

Field Value
Value 3.9
Uncertainty
Num. used stations 2
Type of magnitude ML
Reference to an origin 132979
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
--.SGO.Z. 1990-12-24T02:36:30.00 10.0 undecidable manual SN 263 0.0495 1.15 0.3
--.CTI.Z. 1990-12-24T02:36:19.50 10.0 undecidable manual PN 302 0.0834 -1.37 0.5
--.FVI.Z. 1990-12-24T02:36:17.37 10.0 undecidable manual PN 308 0.0799 1.81 0.2
--.SDI.Z. 1990-12-24T02:35:43.00 10.0 undecidable manual PN 274 0.059 -0.77 1.2
--.LCI.Z. 1990-12-24T02:35:40.00 10.0 undecidable manual SN 254 0.031 -0.21 0.7
--.SOI.Z. 1990-12-24T02:35:35.00 10.0 undecidable manual PN 237 0.0528 0.8 1.2
--.SGO.Z. 1990-12-24T02:35:29.00 10.0 undecidable manual PN 263 0.0495 -0.16 1.7
--.TDS.Z. 1990-12-24T02:35:22.00 10.0 undecidable manual PN 251 0.0445 0.36 1.6
--.ORI.Z. 1990-12-24T02:35:18.00 10.0 undecidable manual PN 255 0.0427 -0.97 1
--.LCI.Z. 1990-12-24T02:35:01.00 10.0 undecidable manual PN 254 0.031 -0.08 1.7
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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