A magnitude M 4.0 earthquake occured in region: Costa Greca Ionica (GRECIA), on
and geographic coordinates (lat, lon) 37.7860, 20.5610 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 | 1986-08-11 11:24:52 |
37.786 | 20.561 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 32669 |
Field | Value |
---|---|
Time (UTC) | 1986-08-11 11:24:52 ± 0.732 |
Latitude | 37.7860 ± 0.0619 |
Longitude | 20.5610 ± 0.0486 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 32669 |
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) | 8096.2 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 189 |
Number of associated phases, regardless of their use for origin computation | 15 |
Number of defining phases | 15 |
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) | 0.00348 |
Epicentral distance of station farthest from the epicenter (degree) | 0.04638 |
Number of stations at which the event was observed | 15 |
Number of stations from which data was used for origin computation | 15 |
Field | Value |
---|---|
Value | 4.0 |
Uncertainty | |
Num. used stations | |
Type of magnitude | M |
Reference to an origin | 32669 |
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 |
---|---|---|---|---|---|---|---|---|---|---|
--.GIB.Z. | 1986-08-11T11:26:08.00 | 10.0 | undecidable | manual | PN | 274 | 5.1504 | -1.73 | 0.4 | |
--.SGO.Z. | 1986-08-11T11:26:08.50 | 10.0 | undecidable | manual | PN | 305 | 4.9173 | 1.97 | 0.3 | |
--.MG9.Z. | 1986-08-11T11:26:01.50 | 10.0 | undecidable | manual | PN | 302 | 4.5399 | 0.17 | 1.4 | |
--.BCI.Z. | 1986-08-11T11:26:00.80 | 10.0 | undecidable | manual | PN | 355 | 4.5843 | -1.19 | 0.8 | |
--.SDA.Z. | 1986-08-11T11:25:57.30 | 10.0 | undecidable | manual | PN | 349 | 4.2957 | -0.73 | 1.1 | |
--.SKO.Z. | 1986-08-11T11:25:56.00 | 10.0 | undecidable | manual | PN | 8 | 4.2291 | -1.11 | 0.9 | |
--.ORI.Z. | 1986-08-11T11:25:54.00 | 10.0 | undecidable | manual | PN | 306 | 3.9072 | 1.24 | 0.8 | |
--.PHP.Z. | 1986-08-11T11:25:52.50 | 10.0 | undecidable | manual | PN | 358 | 3.8961 | 0.02 | 1.5 | |
--.TS9.Z. | 1986-08-11T11:25:50.00 | 10.0 | undecidable | manual | PN | 300 | 3.7851 | -0.94 | 1.1 | |
--.TIR.Z. | 1986-08-11T11:25:50.20 | 10.0 | undecidable | manual | PN | 351 | 3.5964 | 1.85 | 0.4 | |
--.OHR.Z. | 1986-08-11T11:25:45.20 | 10.0 | undecidable | manual | PN | 3 | 3.33 | 0.57 | 1.4 | |
--.KBN.Z. | 1986-08-11T11:25:38.80 | 10.0 | undecidable | manual | PN | 3 | 2.8305 | 0.86 | 1.2 | |
--.KZN.Z. | 1986-08-11T11:25:36.00 | 10.0 | undecidable | manual | PN | 20 | 2.6751 | 0.16 | 1.5 | |
--.ATH.Z. | 1986-08-11T11:25:33.50 | 10.0 | undecidable | manual | PN | 84 | 2.4864 | 0.29 | 1.5 | |
--.VLS.Z. | 1986-08-11T11:25:00.00 | 10.0 | undecidable | manual | PG | 3 | 0.3885 | -1.25 | 0.8 |