Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of M 3.0 on date 25-02-1991 and time 18:48:48 (Italy) in region Albania

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

  • 25-02-1991 17:48:48 (UTC)
  • 25-02-1991 18:48:48 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.3060, 20.3030 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 3.0 1991-02-25
17:48:48		 41.306 20.303 10 2013-07-15
08:41:04		 Bollettino Sismico Italiano INGV 136699
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1991-02-25 17:48:48 ± 0.239
Latitude 41.3060 ± 0.0238
Longitude 20.3030 ± 0.0282
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 136699

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) 3538.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 108
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 27
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.8
Epicentral distance of station closest to the epicenter (degree) 0.00291
Epicentral distance of station farthest from the epicenter (degree) 0.01846
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 17
Magnitude information

M:3.0

Field Value
Value 3.0
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 136699
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
--.BDV.Z. 1991-02-25T17:49:37.00 10.0 undecidable manual SN! 311 0.0132 3.2 0
--.TTG.Z. 1991-02-25T17:49:34.00 10.0 undecidable manual SN! 325 0.0122 2.71 0
--.PVY.Z. 1991-02-25T17:49:33.00 10.0 undecidable manual SN! 349 0.0117 2.98 0
--.BCI.Z. 1991-02-25T17:49:24.20 10.0 undecidable manual SN 350 0.0096 -0.19 0.6
--.BRY.Z. 1991-02-25T17:49:24.50 10.0 undecidable manual PN 321 0.0185 1.82 0.5
--.ULC.Z. 1991-02-25T17:49:22.40 10.0 undecidable manual SG 309 0.0091 -0.77 0.5
--.NKY.Z. 1991-02-25T17:49:20.50 10.0 undecidable manual PN 327 0.0161 1.52 0.7
--.KBN.Z. 1991-02-25T17:49:19.00 10.0 undecidable manual SG! 151 0.0069 3.97 0
--.VAY.Z. 1991-02-25T17:49:19.80 10.0 undecidable manual PN 88 0.0153 2.03 0.4
--.HCY.Z. 1991-02-25T17:49:19.50 10.0 undecidable manual PN 310 0.0158 0.9 1.1
--.IVA.Z. 1991-02-25T17:49:18.50 10.0 positive manual PN 348 0.0143 2.21 0.6
--.BDV.Z. 1991-02-25T17:49:15.00 10.0 undecidable manual PN 311 0.0132 0.41 1.5
--.PUK.Z. 1991-02-25T17:49:14.79 10.0 undecidable manual SG 337 0.0071 -1.08 0.3
--.KKS.Z. 1991-02-25T17:49:14.00 10.0 undecidable manual SG! 5 0.0070 -1.1 0
--.TTG.Z. 1991-02-25T17:49:12.60 10.0 positive manual PN 325 0.0122 -0.54 2.4
--.PVY.Z. 1991-02-25T17:49:12.80 10.0 undecidable manual PN 349 0.0117 0.39 1.6
--.LSK.Z. 1991-02-25T17:49:09.90 10.0 undecidable manual PN 168 0.0105 -0.67 1.3
--.BCI.Z. 1991-02-25T17:49:08.20 10.0 undecidable manual PN 350 0.0096 -0.96 0.9
--.SKO.Z. 1991-02-25T17:49:08.30 10.0 undecidable manual PN 51 0.0096 -0.92 1
--.ULC.Z. 1991-02-25T17:49:06.60 10.0 undecidable manual PG! 309 0.0091 -1.86 0
--.OHR.Z. 1991-02-25T17:49:04.10 10.0 undecidable manual SG 117 0.0037 0.33 1
--.KBN.Z. 1991-02-25T17:49:04.00 10.0 undecidable manual PG 151 0.0069 0.24 1.7
--.PUK.Z. 1991-02-25T17:49:02.40 10.0 undecidable manual PG! 337 0.0071 -1.84 0
--.KKS.Z. 1991-02-25T17:49:02.50 10.0 undecidable manual PG 5 0.0070 -1.3 0.6
--.TIR.Z. 1991-02-25T17:49:01.00 10.0 undecidable manual SG 276 0.0029 0.05 0.7
--.OHR.Z. 1991-02-25T17:48:57.00 10.0 positive manual PG 117 0.0037 -0.26 3.2
--.TIR.Z. 1991-02-25T17:48:55.00 10.0 undecidable manual PG 276 0.0029 -0.63 1.4
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