Earthquake with magnitude of M 3.4 on date 31-07-1989 and time 12:49:07 (Italy) in region Confine Grecia Albania (GRECIA, ALBANIA)

A magnitude M 3.4 earthquake occured in region: Confine Grecia Albania (GRECIA, ALBANIA), on

  • 31-07-1989 10:49:07 (UTC)
  • 31-07-1989 12:49:07 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.6220, 20.8970 at 5 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 3.4 1989-07-31
10:49:07
40.622 20.897 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 96469
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1989-07-31 10:49:07 ± 0.271
Latitude 40.6220 ± 0.0199
Longitude 20.8970 ± 0.0245
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 96469

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) 3028.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 80
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.9
Epicentral distance of station closest to the epicenter (degree) 0.00073
Epicentral distance of station farthest from the epicenter (degree) 0.03683
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:3.4

Field Value
Value 3.4
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 96469
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 09:54:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.MGR.Z. 1989-07-31T10:50:11.50 10.0 undecidable manual PN 264 4.0848 0.45 0.6
--.SKO.Z. 1989-07-31T10:49:51.60 10.0 undecidable manual SN 16 1.3986 -1.74 0.2
--.TIR.Z. 1989-07-31T10:49:46.00 10.0 undecidable manual SG 313 1.0656 0.96 0.6
--.NEO.Z. 1989-07-31T10:49:45.70 10.0 undecidable manual PN 125 2.2089 0.47 1
--.PHP.Z. 1989-07-31T10:49:43.60 10.0 undecidable manual SN! 342 1.11 -2.84 0
--.PLG.Z. 1989-07-31T10:49:42.20 10.0 undecidable manual PN 96 1.9536 0.57 1
--.BCI.Z. 1989-07-31T10:49:42.00 10.0 undecidable manual PN 340 1.8426 1.77 0.3
--.SDA.Z. 1989-07-31T10:49:40.50 10.0 undecidable manual PN 323 1.7316 1.73 0.4
--.PUK.Z. 1989-07-31T10:49:37.80 10.0 undecidable manual PN 332 1.5984 0.91 0.9
--.KKS.Z. 1989-07-31T10:49:35.50 10.0 undecidable manual PN 345 1.4874 0.11 1.3
--.SKO.Z. 1989-07-31T10:49:34.50 10.0 undecidable manual PN 16 1.3986 0.33 1.3
--.VAY.Z. 1989-07-31T10:49:34.00 10.0 undecidable manual PN 60 1.443 -0.63 1.2
--.KEK.Z. 1989-07-31T10:49:33.00 10.0 undecidable manual PN 222 1.2321 1.2 0.8
--.TIR.Z. 1989-07-31T10:49:29.00 10.0 undecidable manual PG 313 1.0656 -0.38 1.4
--.SRN.Z. 1989-07-31T10:49:29.10 10.0 undecidable manual PG 222 1.0101 0.76 2.2
--.PHP.Z. 1989-07-31T10:49:28.30 10.0 negative manual PN 342 1.11 -1.89 0.7
--.LSK.Z. 1989-07-31T10:49:26.60 10.0 undecidable manual SG 205 0.5217 -1.05 0.6
--.TPE.Z. 1989-07-31T10:49:23.00 10.0 negative manual PG 236 0.8103 -1.73 1
--.KZN.Z. 1989-07-31T10:49:22.10 10.0 undecidable manual PG 115 0.7326 -1.17 0.9
--.LSK.Z. 1989-07-31T10:49:20.30 10.0 undecidable manual PG 205 0.5217 0.96 0.9
--.KBN.Z. 1989-07-31T10:49:11.50 10.0 undecidable manual SG 270 0.0777 -0.3 0.8
--.KBN.Z. 1989-07-31T10:49:09.70 10.0 negative manual PG 270 0.0777 -0.49 2.7
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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