Earthquake with magnitude of M 4.0 on date 25-02-1991 and time 08:25:58 (Italy) in region Albania

A magnitude M 4.0 earthquake occured in region: Albania, on

  • 25-02-1991 07:25:58 (UTC)
  • 25-02-1991 08:25:58 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.2850, 20.3130 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 4.0 1991-02-25
07:25:58
41.285 20.313 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 136629
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1991-02-25 07:25:58 ± 0.103
Latitude 41.2850 ± 0.0102
Longitude 20.3130 ± 0.0120
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 136629

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) 1517.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 81
Number of associated phases, regardless of their use for origin computation 85
Number of defining phases 85
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) 0.00308
Epicentral distance of station farthest from the epicenter (degree) 0.07795
Number of stations at which the event was observed 67
Number of stations from which data was used for origin computation 67
Magnitude information

M:4.0

Field Value
Value 4.0
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 136629
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
--.SFI.Z. 1991-02-25T07:28:51.00 10.0 undecidable manual SN 295 0.0607 1.77 0
--.PTJ.Z. 1991-02-25T07:28:23.60 10.0 undecidable manual SN! 327 0.0503 2.09 0
--.BOB.Z. 1991-02-25T07:28:02.84 10.0 undecidable manual PN 297 0.0780 -0.3 0.8
--.PGF.Z. 1991-02-25T07:28:00.60 10.0 undecidable manual PN 282 0.0765 -0.35 0.8
--.SOI.Z. 1991-02-25T07:27:59.00 10.0 undecidable manual SN 226 0.0412 1.31 0.1
--.CTI.Z. 1991-02-25T07:27:50.82 10.0 undecidable manual PN 309 0.0707 -1.36 0.2
--.KBA.Z. 1991-02-25T07:27:50.29 10.0 positive manual PN 321 0.0687 1.12 0.7
--.MME.Z. 1991-02-25T07:27:49.77 10.0 undecidable manual PN 295 0.0686 0.82 0.6
--.FVI.Z. 1991-02-25T07:27:48.73 10.0 undecidable manual PN 316 0.0682 0.4 0.9
--.SFI.Z. 1991-02-25T07:27:38.00 10.0 undecidable manual PN 295 0.0607 1.06 0.4
--.PGD.Z. 1991-02-25T07:27:38.90 10.0 undecidable manual PN 294 0.0614 0.1 1.1
--.MMN.Z. 1991-02-25T07:27:37.50 10.0 undecidable manual SN! 248 0.0321 4.1 0
--.BEO.Z. 1991-02-25T07:27:36.00 10.0 undecidable manual SN! 1 0.0318 3.25 0
--.SRO.Z. 1991-02-25T07:27:36.10 10.0 undecidable manual PN 348 0.0601 0.19 1.1
--.CRE.Z. 1991-02-25T07:27:35.54 10.0 undecidable manual PN 293 0.0593 0.83 0.6
--.RSM.Z. 1991-02-25T07:27:33.53 10.0 undecidable manual PN! 296 0.0571 2.04 0
--.BUD.Z. 1991-02-25T07:27:32.00 10.0 undecidable manual PN 351 0.0563 1.79 0.1
--.TRI.Z. 1991-02-25T07:27:31.84 10.0 undecidable manual PN 314 0.0584 -1.44 0.2
--.MLR.Z. 1991-02-25T07:27:27.50 10.0 undecidable manual PN! 41 0.0528 2.74 0
--.ASS.Z. 1991-02-25T07:27:26.20 10.0 undecidable manual PN 289 0.0534 0.19 1.1
--.ARV.Z. 1991-02-25T07:27:24.50 10.0 undecidable manual PN 294 0.0528 -0.77 0.7
--.MNS.Z. 1991-02-25T07:27:24.53 10.0 undecidable manual PN 283 0.0520 0.86 0.7
--.RIY.Z. 1991-02-25T07:27:24.40 10.0 undecidable manual PN 315 0.0532 -1.05 0.5
--.PTJ.Z. 1991-02-25T07:27:20.90 10.0 undecidable manual PN 327 0.0503 -0.04 1.2
--.AZI.Z. 1991-02-25T07:27:15.20 10.0 undecidable manual PN 279 0.0466 -0.19 1.2
--.VLI.Z. 1991-02-25T07:27:12.70 10.0 undecidable manual PN 154 0.0450 -0.19 1.3
--.SDI.Z. 1991-02-25T07:27:11.78 10.0 undecidable manual PN 276 0.0440 0.49 1.1
--.FE2.Z. 1991-02-25T07:27:11.60 10.0 undecidable manual PN! 226 0.0413 4.32 0
--.RFI.Z. 1991-02-25T07:27:10.70 10.0 undecidable manual PN 271 0.0427 0.62 1
--.SC9.Z. 1991-02-25T07:27:07.56 10.0 undecidable manual PN 230 0.0418 -0.51 1.1
--.SOI.Z. 1991-02-25T07:27:06.49 10.0 undecidable manual PN 226 0.0412 -0.69 0.9
--.DUI.Z. 1991-02-25T07:27:05.70 10.0 undecidable manual PN 276 0.0396 0.44 1.2
--.ITM.Z. 1991-02-25T07:27:04.00 10.0 undecidable manual PN 162 0.0385 0.89 0.8
--.DR2.Z. 1991-02-25T07:27:03.40 10.0 undecidable manual PN 232 0.0384 0.57 1.1
--.RI2.Z. 1991-02-25T07:27:00.60 10.0 undecidable manual PN 226 0.0369 0.05 1.4
--.RDO.Z. 1991-02-25T07:26:58.00 10.0 undecidable manual PN 89 0.0353 -0.18 1.4
--.KDZ.Z. 1991-02-25T07:26:57.00 10.0 negative manual PN 82 0.0341 0.75 1.9
--.GRI.Z. 1991-02-25T07:26:56.76 10.0 undecidable manual PN 231 0.0347 -0.51 1.2
--.MGR.Z. 1991-02-25T07:26:56.34 10.0 undecidable manual PN 253 0.0340 0.19 1.5
--.SGO.Z. 1991-02-25T07:26:56.96 10.0 undecidable manual PN 260 0.0346 -0.09 1.5
--.LCI.Z. 1991-02-25T07:26:54.38 10.0 undecidable manual SN 240 0.0172 0.14 0.6
--.MMN.Z. 1991-02-25T07:26:53.60 10.0 undecidable manual PN 248 0.0321 0.44 1.3
--.BEO.Z. 1991-02-25T07:26:53.50 10.0 undecidable manual PN 1 0.0318 0.72 1
--.CSI.Z. 1991-02-25T07:26:51.60 10.0 undecidable manual PN 244 0.0306 0.68 1.1
--.TDS.Z. 1991-02-25T07:26:51.12 10.0 undecidable manual PN 242 0.0308 -0.21 1.5
--.ROI.Z. 1991-02-25T07:26:50.40 10.0 undecidable manual PN 239 0.0299 0.53 1.3
--.MS1.Z. 1991-02-25T07:26:49.00 10.0 undecidable manual PN 278 0.0296 -0.51 1.3
--.BDV.Z. 1991-02-25T07:26:47.30 10.0 undecidable manual SN! 312 0.0134 3.2 0
--.ORI.Z. 1991-02-25T07:26:47.29 10.0 undecidable manual PN 248 0.0286 -0.62 1.2
--.CDT.Z. 1991-02-25T07:26:46.00 10.0 undecidable manual PN 267 0.0274 -0.03 1.6
--.NEO.Z. 1991-02-25T07:26:46.00 10.0 undecidable manual PN 130 0.0267 0.97 0.8
--.VLS.Z. 1991-02-25T07:26:46.00 10.0 undecidable manual PN 175 0.0280 -0.97 0.8
--.TTG.Z. 1991-02-25T07:26:43.00 10.0 undecidable manual SN 325 0.0125 1.36 0.2
--.PVY.Z. 1991-02-25T07:26:41.90 10.0 undecidable manual SN 348 0.0120 1.52 0.2
--.PLG.Z. 1991-02-25T07:26:39.00 10.0 undecidable manual PN 109 0.0228 -0.07 1.6
--.LSK.Z. 1991-02-25T07:26:39.20 10.0 undecidable manual SN! 168 0.0104 3.08 0
--.BRT.Z. 1991-02-25T07:26:37.46 10.0 undecidable manual PN 260 0.0217 0.02 1.6
--.VLO.Z. 1991-02-25T07:26:36.40 10.0 undecidable manual SG! 217 0.0091 3.47 0
--.PLE.Z. 1991-02-25T07:26:35.00 10.0 undecidable manual PN 341 0.0193 1.2 1
--.BCI.Z. 1991-02-25T07:26:34.40 10.0 undecidable manual SN 350 0.0098 -0.34 0.6
--.BRY.Z. 1991-02-25T07:26:33.50 10.0 undecidable manual PN 321 0.0187 0.7 2.1
--.ULC.Z. 1991-02-25T07:26:32.00 10.0 undecidable manual SN 310 0.0094 -1.5 0.2
--.LCI.Z. 1991-02-25T07:26:30.19 10.0 undecidable manual PN 240 0.0172 -0.36 1.4
--.SDA.Z. 1991-02-25T07:26:30.00 10.0 undecidable manual SG 320 0.0085 -0.62 0.5
--.NKY.Z. 1991-02-25T07:26:29.50 10.0 undecidable manual PN 327 0.0163 0.38 2.8
--.HCY.Z. 1991-02-25T07:26:29.00 10.0 undecidable manual PN 311 0.0160 0.3 2.9
--.VAY.Z. 1991-02-25T07:26:27.20 10.0 undecidable manual PN 87 0.0152 -0.31 2.9
--.IVA.Z. 1991-02-25T07:26:26.00 10.0 undecidable manual PN 348 0.0145 -0.42 2.7
--.KBN.Z. 1991-02-25T07:26:25.00 10.0 undecidable manual SG 151 0.0067 0.86 0.4
--.KZN.Z. 1991-02-25T07:26:24.00 10.0 undecidable manual PN 130 0.0132 -0.47 1.3
--.PUK.Z. 1991-02-25T07:26:24.00 10.0 undecidable manual SG! 337 0.0074 -2.42 0
--.BDV.Z. 1991-02-25T07:26:24.00 10.0 undecidable manual PN 312 0.0134 -0.7 2.1
--.TTG.Z. 1991-02-25T07:26:22.00 10.0 undecidable manual PN 325 0.0125 -1.27 0.9
--.PVY.Z. 1991-02-25T07:26:21.00 10.0 undecidable manual PN 348 0.0120 -1.55 0.5
--.LSK.Z. 1991-02-25T07:26:20.20 10.0 undecidable manual PN 168 0.0104 0.11 1.5
--.VLO.Z. 1991-02-25T07:26:18.60 10.0 undecidable manual PG 217 0.0091 0.35 1.4
--.BCI.Z. 1991-02-25T07:26:16.90 10.0 undecidable manual PN! 350 0.0098 -2.39 0
--.SDA.Z. 1991-02-25T07:26:15.00 10.0 undecidable manual PG 320 0.0085 -1.91 0.1
--.ULC.Z. 1991-02-25T07:26:15.60 10.0 undecidable manual PN! 310 0.0094 -2.98 0
--.OHR.Z. 1991-02-25T07:26:13.10 10.0 undecidable manual SG 114 0.0036 0.02 0.9
--.KBN.Z. 1991-02-25T07:26:12.50 10.0 undecidable manual PG 151 0.0067 -0.67 1.1
--.PUK.Z. 1991-02-25T07:26:11.00 10.0 undecidable manual PG! 337 0.0074 -3.49 0
--.TIR.Z. 1991-02-25T07:26:08.50 10.0 undecidable manual SG! 280 0.0031 -2.62 0
--.OHR.Z. 1991-02-25T07:26:06.20 10.0 positive manual PG 114 0.0036 -0.59 2.4
--.TIR.Z. 1991-02-25T07:26:04.50 10.0 undecidable manual PG 280 0.0031 -1.15 0.6
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