A magnitude Md 3.1 earthquake occured in region: Costa Greca Ionica (GRECIA), on
and geographic coordinates (lat, lon) 38.3540, 20.4930 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 |
Md 3.1
M 3.4 |
1987-08-01 21:46:12 |
38.354 | 20.493 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 53159 |
Field | Value |
---|---|
Time (UTC) | 1987-08-01 21:46:12 ± 0.229 |
Latitude | 38.3540 ± 0.0198 |
Longitude | 20.4930 ± 0.0356 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 53159 |
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) | 3805.3 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 130 |
Number of associated phases, regardless of their use for origin computation | 12 |
Number of defining phases | 12 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.5 |
Epicentral distance of station closest to the epicenter (degree) | 0.00170 |
Epicentral distance of station farthest from the epicenter (degree) | 0.04104 |
Number of stations at which the event was observed | 12 |
Number of stations from which data was used for origin computation | 12 |
Field | Value |
---|---|
Value | 3.1 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 53159 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:51:16 |
Field | Value |
---|---|
Value | 3.4 |
Uncertainty | |
Num. used stations | |
Type of magnitude | M |
Reference to an origin | 53159 |
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 |
---|---|---|---|---|---|---|---|---|---|---|
--.SGO.Z. | 1987-08-01T21:47:21.59 | 10.0 | undecidable | manual | PN | 300 | 4.551 | 0.76 | 0.6 | |
--.MGR.Z. | 1987-08-01T21:47:15.46 | 10.0 | undecidable | manual | PN | 296 | 4.2069 | -0.56 | 0.9 | |
--.SKO.Z. | 1987-08-01T21:47:09.00 | 10.0 | undecidable | manual | PN | 11 | 3.6741 | 0.24 | 1.2 | |
--.ORI.Z. | 1987-08-01T21:47:08.50 | 10.0 | undecidable | manual | PN | 299 | 3.5631 | 1.42 | 0.2 | |
--.TS9.Z. | 1987-08-01T21:47:06.60 | 10.0 | undecidable | manual | PN | 293 | 3.4743 | 0.68 | 0.8 | |
--.SO9.Z. | 1987-08-01T21:47:04.80 | 10.0 | undecidable | manual | PN | 266 | 3.4854 | -1.34 | 0.2 | |
--.PE1.Z. | 1987-08-01T21:47:02.00 | 10.0 | undecidable | manual | PN! | 317 | 3.3966 | -2.88 | 0 | |
--.GRI.Z. | 1987-08-01T21:47:01.50 | 10.0 | undecidable | manual | PN | 279 | 3.2079 | -0.78 | 0.7 | |
--.LCI.Z. | 1987-08-01T21:46:55.25 | 10.0 | undecidable | manual | PN | 317 | 2.6973 | 0.02 | 1.4 | |
--.OHR.Z. | 1987-08-01T21:46:55.50 | 10.0 | undecidable | manual | PN | 4 | 2.7639 | -0.6 | 1.9 | |
--.KZN.Z. | 1987-08-01T21:46:48.10 | 10.0 | undecidable | manual | PN | 26 | 2.1867 | -0.06 | 1.4 | |
--.VLS.Z. | 1987-08-01T21:46:16.90 | 10.0 | positive | manual | PG | 156 | 0.1887 | 0.14 | 2.7 |