A magnitude ML-VAX 2.1 earthquake occured in region: Tirreno Meridionale (MARE), on
and geographic coordinates (lat, lon) 39.3710, 15.4980 at 220 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.
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML-VAX 2.1 | 1989-05-27 08:16:39 |
39.371 | 15.498 | 220 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 92149 |
Field | Value |
---|---|
Time (UTC) | 1989-05-27 08:16:39 ± 2.67 |
Latitude | 39.3710 ± 0.0363 |
Longitude | 15.4980 ± 0.0757 |
Depth (km) | 220 ± 24 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 92149 |
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) | 7654.8 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 159 |
Number of associated phases, regardless of their use for origin computation | 13 |
Number of defining phases | 13 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.2 |
Epicentral distance of station closest to the epicenter (degree) | 0.00461 |
Epicentral distance of station farthest from the epicenter (degree) | 0.01408 |
Number of stations at which the event was observed | 13 |
Number of stations from which data was used for origin computation | 13 |
Field | Value |
---|---|
Value | 2.1 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | ML |
Reference to an origin | 92149 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2015-04-28 13:07:13 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.MNO.Z. | 1989-05-27T08:17:16.64 | 10.0 | undecidable | manual | P | 204 | 1.5651 | 0.63 | 0.1 | |
--.FE2.Z. | 1989-05-27T08:17:14.56 | 10.0 | negative | manual | P | 161 | 1.3986 | -0.09 | 1.5 | |
--.GA2.Z. | 1989-05-27T08:17:12.84 | 10.0 | undecidable | manual | P | 168 | 1.221 | -0.41 | 0.4 | |
--.RI2.Z. | 1989-05-27T08:17:12.46 | 10.0 | negative | manual | P | 141 | 1.2099 | -0.73 | 0.1 | |
--.SE2.Z. | 1989-05-27T08:17:11.75 | 10.0 | positive | manual | P | 110 | 1.0101 | 0 | 1.9 | |
--.GRI.Z. | 1989-05-27T08:17:11.21 | 10.0 | undecidable | manual | P | 127 | 0.8991 | 0.17 | 0.8 | |
--.ROI.Z. | 1989-05-27T08:17:11.40 | 10.0 | negative | manual | P | 76 | 0.8436 | 0.3 | 1.3 | |
--.CSI.Z. | 1989-05-27T08:17:10.44 | 10.0 | negative | manual | P | 56 | 0.7326 | 0.29 | 1.3 | |
--.DR2.Z. | 1989-05-27T08:17:10.58 | 10.0 | positive | manual | P | 155 | 0.7881 | 0.11 | 1.8 | |
--.TDS.Z. | 1989-05-27T08:17:10.45 | 10.0 | undecidable | manual | P | 66 | 0.6993 | 0.44 | 0.4 | |
--.CZI.Z. | 1989-05-27T08:17:09.12 | 10.0 | negative | manual | P | 107 | 0.5106 | -0.07 | 1.9 | |
--.MGR.Z. | 1989-05-27T08:17:09.96 | 10.0 | negative | manual | P | 3 | 0.7659 | -0.34 | 1.2 | |
--.MMN.Z. | 1989-05-27T08:17:09.20 | 10.0 | undecidable | manual | P | 36 | 0.6327 | -0.5 | 0.3 |