A magnitude M 3.9 earthquake occured in region: Confine Grecia Albania (GRECIA, ALBANIA), on
and geographic coordinates (lat, lon) 40.4550, 20.7770 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.
No Italian municipalities within 20 km distance.
No Italian municipalities within 100 km from the epicenter with at least 50000 inhabitants.
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
M 3.9 | 1985-02-21 11:21:53 |
40.455 | 20.777 | 5 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 2159 |
Field | Value |
---|---|
Time (UTC) | 1985-02-21 11:21:53 ± 0.402 |
Latitude | 40.4550 ± 0.0277 |
Longitude | 20.7770 ± 0.0425 |
Depth (km) | 5 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 2159 |
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) | 4731.7 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 82 |
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) | 0.00146 |
Epicentral distance of station farthest from the epicenter (degree) | 0.08168 |
Number of stations at which the event was observed | 22 |
Number of stations from which data was used for origin computation | 22 |
Field | Value |
---|---|
Value | 3.9 |
Uncertainty | |
Num. used stations | |
Type of magnitude | M |
Reference to an origin | 2159 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2015-04-28 09:50:03 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.PAG.Z. | 1985-02-21T11:24:03.10 | 10.0 | undecidable | manual | PN | 312 | 9.0687 | -1.92 | 0.2 | |
--.PAN.Z. | 1985-02-21T11:24:01.50 | 10.0 | undecidable | manual | PN | 312 | 8.8578 | -0.74 | 0.5 | |
--.CTI.Z. | 1985-02-21T11:23:59.00 | 10.0 | undecidable | manual | PN | 313 | 8.6691 | -0.6 | 0.6 | |
--.TRI.Z. | 1985-02-21T11:23:40.00 | 10.0 | undecidable | manual | PN | 318 | 7.326 | -1.1 | 0.5 | |
--.PO9.Z. | 1985-02-21T11:23:27.50 | 10.0 | undecidable | manual | PN | 292 | 6.2271 | 1.49 | 0.4 | |
--.SD1.Z. | 1985-02-21T11:23:16.00 | 10.0 | undecidable | manual | PN | 285 | 5.3835 | 1.49 | 0.4 | |
--.SGO.Z. | 1985-02-21T11:22:56.00 | 10.0 | undecidable | manual | PN | 273 | 4.1514 | -1.51 | 0.5 | |
--.HCY.Z. | 1985-02-21T11:22:37.00 | 10.0 | undecidable | manual | PN | 320 | 2.6196 | 0.54 | 1.1 | |
--.BDV.Z. | 1985-02-21T11:22:33.00 | 10.0 | undecidable | manual | PN | 321 | 2.331 | 0.42 | 1.1 | |
--.TTG.Z. | 1985-02-21T11:22:33.20 | 10.0 | undecidable | manual | PN | 330 | 2.2755 | 1.49 | 0.5 | |
--.VLS.Z. | 1985-02-21T11:22:32.60 | 10.0 | undecidable | manual | PN | 183 | 2.2755 | 0.83 | 0.9 | |
--.LCI.Z. | 1985-02-21T11:22:29.00 | 10.0 | undecidable | manual | PN | 267 | 2.0202 | 0.65 | 1 | |
--.ULC.Z. | 1985-02-21T11:22:28.00 | 10.0 | undecidable | manual | PN | 323 | 1.887 | 1.54 | 0.5 | |
--.SDA.Z. | 1985-02-21T11:22:28.00 | 10.0 | undecidable | manual | PN | 328 | 1.8204 | 2.4 | 0.1 | |
--.VAY.Z. | 1985-02-21T11:22:23.30 | 10.0 | undecidable | manual | PN | 56 | 1.5984 | 0.79 | 1.9 | |
--.SKO.Z. | 1985-02-21T11:22:23.50 | 10.0 | undecidable | manual | PN | 17 | 1.5873 | 1.14 | 1.5 | |
--.TIR.Z. | 1985-02-21T11:22:15.00 | 10.0 | negative | manual | PN | 322 | 1.1211 | -0.93 | 1.8 | |
--.VLO.Z. | 1985-02-21T11:22:12.70 | 10.0 | undecidable | manual | PG | 271 | 0.9657 | -0.64 | 2.1 | |
--.SRN.Z. | 1985-02-21T11:22:10.40 | 10.0 | positive | manual | PG | 226 | 0.8214 | -0.18 | 2.4 | |
--.KZN.Z. | 1985-02-21T11:22:07.60 | 10.0 | undecidable | manual | PG | 100 | 0.7659 | -1.95 | 0.3 | |
--.OHR.Z. | 1985-02-21T11:22:06.10 | 10.0 | undecidable | manual | PG | 1 | 0.6438 | -1.32 | 1.3 | |
--.KBN.Z. | 1985-02-21T11:21:57.10 | 10.0 | positive | manual | PG | 0 | 0.1665 | -0.39 | 2.3 |