A magnitude Md 2.5 earthquake occured in region: Tirreno Meridionale (MARE), on
and geographic coordinates (lat, lon) 38.9040, 15.6210 at 51 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 2.5
ML-VAX 1.8 |
1998-02-24 21:27:26 |
38.904 | 15.621 | 51 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 323779 |
Field | Value |
---|---|
Time (UTC) | 1998-02-24 21:27:26 ± 0.502 |
Latitude | 38.9040 ± 0.0144 |
Longitude | 15.6210 ± 0.0535 |
Depth (km) | 51 ± 10 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 323779 |
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) | 4898.4 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 206 |
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) | 0.3 |
Epicentral distance of station closest to the epicenter (degree) | 0.00680 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00842 |
Number of stations at which the event was observed | 4 |
Number of stations from which data was used for origin computation | 4 |
Field | Value |
---|---|
Value | 2.5 |
Uncertainty | |
Num. used stations | 4 |
Type of magnitude | Md |
Reference to an origin | 323779 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 22:03:33 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 323779 |
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 |
---|---|---|---|---|---|---|---|---|---|---|
--.TDS.Z. | 1998-02-24T21:27:56.90 | 10.0 | undecidable | manual | S | 35 | 0.9324 | 0.14 | 0.8 | |
--.MO9.Z. | 1998-02-24T21:27:55.50 | 10.0 | undecidable | manual | S | 176 | 0.8991 | 0.3 | 0.6 | |
--.SOI.Z. | 1998-02-24T21:27:54.55 | 10.0 | undecidable | manual | S | 157 | 0.888 | -0.46 | 0.4 | |
--.ATN.Z. | 1998-02-24T21:27:52.60 | 10.0 | undecidable | manual | S | 189 | 0.7548 | 0.22 | 0.7 | |
--.MO9.Z. | 1998-02-24T21:27:43.62 | 10.0 | undecidable | manual | P | 176 | 0.8991 | 0.57 | 0.7 | |
--.TDS.Z. | 1998-02-24T21:27:43.42 | 10.0 | undecidable | manual | P | 35 | 0.9324 | -0.06 | 2 | |
--.SOI.Z. | 1998-02-24T21:27:42.86 | 10.0 | undecidable | manual | P | 157 | 0.888 | -0.08 | 2.1 | |
--.ATN.Z. | 1998-02-24T21:27:40.54 | 10.0 | undecidable | manual | P | 189 | 0.7548 | -0.57 | 0.7 |