A magnitude Md 2.5 earthquake occured in region: Tirreno Meridionale (MARE), on
and geographic coordinates (lat, lon) 38.4470, 12.7990 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 2.5
ML-VAX 2.0 |
1998-09-22 23:15:11 |
38.447 | 12.799 | 5 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 351559 |
Field | Value |
---|---|
Time (UTC) | 1998-09-22 23:15:11 ± 0.472 |
Latitude | 38.4470 ± 0.0287 |
Longitude | 12.7990 ± 0.0328 |
Depth (km) | 5 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 351559 |
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) | 4287.4 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 190 |
Number of associated phases, regardless of their use for origin computation | 7 |
Number of defining phases | 7 |
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) | 0.00356 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00526 |
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 | 3 |
Type of magnitude | Md |
Reference to an origin | 351559 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 22:29:21 |
Field | Value |
---|---|
Value | 2.0 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | ML |
Reference to an origin | 351559 |
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 |
---|---|---|---|---|---|---|---|---|---|---|
--.MPG.Z. | 1998-09-22T23:15:32.00 | 10.0 | undecidable | manual | SG | 122 | 0.5106 | 0.59 | 0.6 | |
--.USI.Z. | 1998-09-22T23:15:28.33 | 10.0 | undecidable | manual | SG | 48 | 0.3996 | 1.02 | 0.3 | |
--.ERC.Z. | 1998-09-22T23:15:27.69 | 10.0 | undecidable | manual | SG | 202 | 0.444 | -1.29 | 0.2 | |
--.LVI.Z. | 1998-09-22T23:15:25.15 | 10.0 | undecidable | manual | PG | 218 | 0.5883 | 0.72 | 1.1 | |
--.MPG.Z. | 1998-09-22T23:15:23.00 | 10.0 | undecidable | manual | PG | 122 | 0.5106 | -0.16 | 1.9 | |
--.ERC.Z. | 1998-09-22T23:15:21.76 | 10.0 | undecidable | manual | PG | 202 | 0.444 | 0 | 2.1 | |
--.USI.Z. | 1998-09-22T23:15:19.90 | 10.0 | undecidable | manual | PG | 48 | 0.3996 | -0.89 | 0.9 |