Earthquake with magnitude of Md 2.8 on date 20-02-1985 and time 12:32:11 (UTC) in region Costa Albanese settentrionale (ALBANIA)

A magnitude Md 2.8 earthquake occured in region: Costa Albanese settentrionale (ALBANIA), on

  • 20-02-1985 12:32:11 (UTC)
  • 20-02-1985 13:32:11 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 40.66, 19.2 at 12 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

An earthquake occurred to
94 Km E of Lecce (94773 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
Rev 1000 Md 2.8
M 3.4
1985-02-20
12:32:11
40.66 19.21 12 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 2029
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-02-20 12:32:11 ± 0.412
Latitude 40.66 ± 0.03
Longitude 19.21 ± 0.03
Depth (km) 12 ± 5 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 2029

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) 3965.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 107
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 17
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) 0.00259
Epicentral distance of station farthest from the epicenter (degree) 0.02655
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 16
Magnitudes information

Md:2.8

Field Value
Value 2.8
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 2029
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:07:02

M:3.4

Field Value
Value 3.4
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 2029
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 09:30:34
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.SGO.Z. 1985-02-20T12:32:57.00 10.0 undecidable manual PN? 269 0.0266 -0.72 0.4
--.VAY.Z. 1985-02-20T12:32:52.50 10.0 undecidable manual PN 74 0.0236 -0.62 1
--.SKO.Z. 1985-02-20T12:32:47.20 10.0 undecidable manual PN 51 0.0191 0.86 1
--.ORI.Z. 1985-02-20T12:32:46.50 10.0 undecidable manual PN 254 0.0197 -0.66 1.1
--.TTG.Z. 1985-02-20T12:32:43.00 10.0 undecidable manual PN 1 0.0159 1.59 0.4
--.LCI.Z. 1985-02-20T12:32:43.00 10.0 undecidable manual SG 249 0.008 1.09 0.4
--.BAI.Z. 1985-02-20T12:32:41.00 10.0 undecidable manual PN 285 0.0163 -1.01 0.9
--.BRT.Z. 1985-02-20T12:32:40.00 10.0 undecidable manual PN 278 0.0141 1.31 0.7
--.SDA.Z. 1985-02-20T12:32:36.60 10.0 undecidable manual PN 9 0.0123 0.63 1.4
--.PE1.Z. 1985-02-20T12:32:35.00 10.0 undecidable manual PN 276 0.0121 -0.75 1.3
--.ULC.Z. 1985-02-20T12:32:34.50 10.0 undecidable manual PN 1 0.0117 -0.51 1.5
--.OHR.Z. 1985-02-20T12:32:33.10 10.0 undecidable manual PN 69 0.0116 -1.66 0.4
--.KBN.Z. 1985-02-20T12:32:33.60 10.0 positive manual PN 91 0.0107 0.08 1.7
--.SRN.Z. 1985-02-20T12:32:32.30 10.0 positive manual PN 142 0.0088 1.65 0.4
--.LCI.Z. 1985-02-20T12:32:28.50 10.0 undecidable manual PG 249 0.008 -0.49 1.5
--.TIR.Z. 1985-02-20T12:32:28.00 10.0 positive manual PG 35 0.0076 -0.17 1.7
--.VLO.Z. 1985-02-20T12:32:17.00 10.0 negative manual PG 130 0.0026 -0.86 1.2
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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