A magnitude M 4.0 earthquake occured in region: Greece [Land], on
and geographic coordinates (lat, lon) 39.9760, 20.9060 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.
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 4.0 | 1990-05-21 21:20:56 |
39.976 | 20.906 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 119319 |
Field | Value |
---|---|
Time (UTC) | 1990-05-21 21:20:56 ± 0.235 |
Latitude | 39.9760 ± 0.0190 |
Longitude | 20.9060 ± 0.0376 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 119319 |
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) | 3836.6 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 67 |
Number of associated phases, regardless of their use for origin computation | 16 |
Number of defining phases | 16 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.7 |
Epicentral distance of station closest to the epicenter (degree) | 0.01020 |
Epicentral distance of station farthest from the epicenter (degree) | 0.05067 |
Number of stations at which the event was observed | 14 |
Number of stations from which data was used for origin computation | 14 |
Field | Value |
---|---|
Value | 4.0 |
Uncertainty | |
Num. used stations | |
Type of magnitude | M |
Reference to an origin | 119319 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2015-04-28 09:54:13 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.SDI.Z. | 1990-05-21T21:22:18.00 | 10.0 | undecidable | manual | PN | 290 | 5.6277 | -1.66 | 0.2 | |
--.SGO.Z. | 1990-05-21T21:21:59.00 | 10.0 | undecidable | manual | PN! | 279 | 4.3068 | -2.43 | 0 | |
--.GRI.Z. | 1990-05-21T21:21:53.00 | 10.0 | undecidable | manual | PN | 252 | 3.6519 | 0.58 | 1 | |
--.VLS.Z. | 1990-05-21T21:21:52.50 | 10.0 | undecidable | manual | SN! | 187 | 1.8093 | 2.63 | 0 | |
--.TDS.Z. | 1990-05-21T21:21:52.00 | 10.0 | undecidable | manual | PN | 266 | 3.5187 | 1.38 | 0.4 | |
--.VLI.Z. | 1990-05-21T21:21:52.00 | 10.0 | undecidable | manual | PN | 153 | 3.6186 | -0.08 | 1.3 | |
--.CDT.Z. | 1990-05-21T21:21:50.00 | 10.0 | undecidable | manual | PN! | 288 | 3.6852 | -2.92 | 0 | |
--.ORI.Z. | 1990-05-21T21:21:50.00 | 10.0 | undecidable | manual | PN | 272 | 3.4077 | 0.8 | 0.9 | |
--.ITM.Z. | 1990-05-21T21:21:42.00 | 10.0 | undecidable | manual | PN | 163 | 2.8971 | -0.19 | 1.4 | |
--.ATH.Z. | 1990-05-21T21:21:42.00 | 10.0 | undecidable | manual | PN | 131 | 2.9526 | -0.97 | 0.8 | |
--.OHR.Z. | 1990-05-21T21:21:33.70 | 10.0 | undecidable | manual | SN | 355 | 1.1322 | -0.07 | 0.9 | |
--.SKO.Z. | 1990-05-21T21:21:30.80 | 10.0 | undecidable | manual | PN | 11 | 2.0313 | 0.56 | 2.4 | |
--.NEO.Z. | 1990-05-21T21:21:29.50 | 10.0 | undecidable | manual | PN | 109 | 1.8981 | 1.05 | 0.7 | |
--.VAY.Z. | 1990-05-21T21:21:28.00 | 10.0 | undecidable | manual | PN | 42 | 1.8315 | 0.4 | 2.7 | |
--.VLS.Z. | 1990-05-21T21:21:26.50 | 10.0 | undecidable | manual | PN | 187 | 1.8093 | -0.7 | 1.1 | |
--.OHR.Z. | 1990-05-21T21:21:16.80 | 10.0 | undecidable | manual | PN | 355 | 1.1322 | -1.12 | 1.3 |