A magnitude M 3.1 earthquake occured in region: Costa Greca Ionica (GRECIA), on
and geographic coordinates (lat, lon) 38.9440, 20.2650 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 3.1 | 1988-04-04 22:17:48 |
38.944 | 20.265 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 65719 |
Field | Value |
---|---|
Time (UTC) | 1988-04-04 22:17:48 ± 1.808 |
Latitude | 38.9440 ± 0.0437 |
Longitude | 20.2650 ± 0.2494 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 65719 |
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) | 22106.7 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 214 |
Number of associated phases, regardless of their use for origin computation | 6 |
Number of defining phases | 6 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 1.1 |
Epicentral distance of station closest to the epicenter (degree) | 0.00720 |
Epicentral distance of station farthest from the epicenter (degree) | 0.02833 |
Number of stations at which the event was observed | 5 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 3.1 |
Uncertainty | |
Num. used stations | |
Type of magnitude | M |
Reference to an origin | 65719 |
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 |
---|---|---|---|---|---|---|---|---|---|---|
--.SKO.Z. | 1988-04-04T22:18:40.00 | 10.0 | undecidable | manual | PN | 16 | 3.1413 | 1.63 | 0.9 | |
--.ATH.Z. | 1988-04-04T22:18:35.00 | 10.0 | undecidable | manual | PN | 108 | 2.8638 | 0.55 | 1.4 | |
--.VAY.Z. | 1988-04-04T22:18:35.40 | 10.0 | undecidable | manual | PN | 36 | 2.9526 | -0.25 | 1.5 | |
--.VLS.Z. | 1988-04-04T22:18:18.00 | 10.0 | undecidable | manual | SG | 161 | 0.7992 | 1.18 | 0.4 | |
--.KZN.Z. | 1988-04-04T22:18:18.50 | 10.0 | undecidable | manual | PN | 40 | 1.776 | -1.1 | 1.3 | |
--.VLS.Z. | 1988-04-04T22:18:02.90 | 10.0 | undecidable | manual | PG | 161 | 0.7992 | -2.16 | 0.5 |