A magnitude Md 2.5 earthquake occured in region: Tirreno Meridionale (MARE), on
and geographic coordinates (lat, lon) 38.4300, 12.8560 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 2.1 |
1998-06-28 14:01:20 |
38.43 | 12.856 | 5 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 344449 |
Field | Value |
---|---|
Time (UTC) | 1998-06-28 14:01:20 ± 0.173 |
Latitude | 38.4300 ± 0.0126 |
Longitude | 12.8560 ± 0.0163 |
Depth (km) | 5 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 344449 |
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) | 1994.1 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 179 |
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) | 0.00332 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00915 |
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 | 344449 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 22:22:35 |
Field | Value |
---|---|
Value | 2.1 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | ML |
Reference to an origin | 344449 |
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 |
---|---|---|---|---|---|---|---|---|---|---|
--.GIB.Z. | 1998-06-28T14:01:56.00 | 10.0 | undecidable | manual | SG | 115 | 1.0101 | -0.25 | 0.5 | |
--.LVI.Z. | 1998-06-28T14:01:42.62 | 10.0 | undecidable | manual | SG | 222 | 0.5994 | -0.27 | 0.6 | |
--.GIB.Z. | 1998-06-28T14:01:41.50 | 10.0 | undecidable | manual | PG | 115 | 1.0101 | 0.29 | 1.2 | |
--.ERC.Z. | 1998-06-28T14:01:36.89 | 10.0 | undecidable | manual | SG | 208 | 0.444 | -0.98 | 0 | |
--.USI.Z. | 1998-06-28T14:01:35.26 | 10.0 | undecidable | manual | SG | 42 | 0.3663 | -0.04 | 0.8 | |
--.LVI.Z. | 1998-06-28T14:01:33.83 | 10.0 | undecidable | manual | PG | 222 | 0.5994 | 0.33 | 1.4 | |
--.ERC.Z. | 1998-06-28T14:01:30.84 | 10.0 | undecidable | manual | PG | 208 | 0.444 | 0.24 | 1.7 | |
--.USI.Z. | 1998-06-28T14:01:28.88 | 10.0 | undecidable | manual | PG | 42 | 0.3663 | -0.24 | 1.7 |