Earthquake with magnitude of M 3.0 on date 13-04-1991 and time 00:20:47 (Italy) in region Albania

A magnitude M 3.0 earthquake occured in region: Albania, on

  • 12-04-1991 22:20:47 (UTC)
  • 13-04-1991 00:20:47 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.55, 20.16 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 3.0 1991-04-12
22:20:47
41.55 20.16 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 139109
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1991-04-12 22:20:47 ± 0.288
Latitude 41.55 ± 0.03
Longitude 20.16 ± 0.03
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 139109

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) 4511.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 122
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 20
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) 0.00583
Epicentral distance of station farthest from the epicenter (degree) 0.02121
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitude information

M:3

Field Value
Value 3
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 139109
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 Takeoff_angle Residual Weight
--.IVA.Z. 1991-04-12T22:21:33.19 10.0 undecidable manual SN! 352 0.012 3.09 0
--.BDV.Z. 1991-04-12T22:21:29.77 10.0 undecidable manual SN 307 0.0111 2.13 0
--.BRT.Z. 1991-04-12T22:21:26.00 10.0 undecidable manual PN 254 0.0212 -0.33 0.7
--.TTG.Z. 1991-04-12T22:21:24.89 10.0 undecidable manual SN 323 0.0099 0.3 0.6
--.PVY.Z. 1991-04-12T22:21:22.94 10.0 undecidable manual SN 352 0.0095 -0.46 0.6
--.PLE.Z. 1991-04-12T22:21:21.80 10.0 positive manual PN! 343 0.0168 2.27 0
--.SKO.Z. 1991-04-12T22:21:21.50 10.0 undecidable manual SN 66 0.0094 -1.64 0.1
--.BRY.Z. 1991-04-12T22:21:20.46 10.0 positive manual PN 319 0.0162 1.8 0.3
--.VAY.Z. 1991-04-12T22:21:19.50 10.0 undecidable manual PN 96 0.0164 0.62 1.4
--.NKY.Z. 1991-04-12T22:21:15.50 10.0 negative manual PN 326 0.0137 0.63 1.6
--.HCY.Z. 1991-04-12T22:21:15.26 10.0 negative manual PN 307 0.0137 0.41 1.8
--.ULC.Z. 1991-04-12T22:21:14.24 10.0 undecidable manual SG 302 0.0071 -1.03 0.4
--.IVA.Z. 1991-04-12T22:21:12.20 10.0 negative manual PN 352 0.012 -0.04 2.1
--.OHR.Z. 1991-04-12T22:21:11.10 10.0 undecidable manual SG 132 0.0058 0.5 0.6
--.BDV.Z. 1991-04-12T22:21:10.68 10.0 positive manual PN 307 0.0111 -0.14 2.2
--.SKO.Z. 1991-04-12T22:21:09.00 10.0 negative manual PN 66 0.0094 0.77 1.5
--.TTG.Z. 1991-04-12T22:21:08.16 10.0 positive manual PN 323 0.0099 -0.91 1.4
--.PVY.Z. 1991-04-12T22:21:07.26 10.0 positive manual PN 352 0.0095 -1.12 1.1
--.ULC.Z. 1991-04-12T22:21:02.60 10.0 negative manual PG 302 0.0071 -1.08 1.1
--.OHR.Z. 1991-04-12T22:21:00.20 10.0 undecidable manual PG 132 0.0058 -0.78 1.5
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download