A magnitude Md 2.4 earthquake occured in region: Tirreno Meridionale (MARE), on
and geographic coordinates (lat, lon) 38.5870, 15.4820 at 5 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 |
Md 2.4
ML-VAX 2.2 |
1997-12-29 17:52:02 |
38.587 | 15.482 | 5 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 318309 |
Field | Value |
---|---|
Time (UTC) | 1997-12-29 17:52:02 ± 0.394 |
Latitude | 38.5870 ± 0.0298 |
Longitude | 15.4820 ± 0.0272 |
Depth (km) | 5 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 318309 |
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) | 4065.8 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 124 |
Number of associated phases, regardless of their use for origin computation | 8 |
Number of defining phases | 8 |
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) | 0.00453 |
Epicentral distance of station farthest from the epicenter (degree) | 0.01133 |
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 | 2.4 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 318309 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 21:58:25 |
Field | Value |
---|---|
Value | 2.2 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | ML |
Reference to an origin | 318309 |
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 |
---|---|---|---|---|---|---|---|---|---|---|
--.SOI.Z. | 1997-12-29T17:52:28.76 | 10.0 | undecidable | manual | SG | 138 | 0.6771 | 1.28 | 0.4 | |
--.MO9.Z. | 1997-12-29T17:52:26.23 | 10.0 | undecidable | manual | SG | 163 | 0.5994 | 1.13 | 0.4 | |
--.TDS.Z. | 1997-12-29T17:52:25.92 | 10.0 | undecidable | manual | PN | 31 | 1.2543 | -0.94 | 1 | |
--.SA1.Z. | 1997-12-29T17:52:22.00 | 10.0 | undecidable | manual | SG | 267 | 0.4995 | 0.13 | 0.9 | |
--.GRI.Z. | 1997-12-29T17:52:19.86 | 10.0 | undecidable | manual | PG | 71 | 0.7659 | 1.25 | 0.9 | |
--.SOI.Z. | 1997-12-29T17:52:16.50 | 10.0 | undecidable | manual | PG | 138 | 0.6771 | -0.96 | 1.3 | |
--.MO9.Z. | 1997-12-29T17:52:14.67 | 10.0 | undecidable | manual | PG | 163 | 0.5994 | -0.96 | 1.3 | |
--.SA1.Z. | 1997-12-29T17:52:14.40 | 10.0 | undecidable | manual | PG | 267 | 0.4995 | 0.63 | 1.8 |