A magnitude Md 2.3 earthquake occured in region: Tirreno Meridionale (MARE), on
and geographic coordinates (lat, lon) 38.9090, 15.3320 at 10 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 2.3
ML-VAX 1.7 |
1988-08-16 19:10:12 |
38.909 | 15.332 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 75809 |
Field | Value |
---|---|
Time (UTC) | 1988-08-16 19:10:12 ± 0.592 |
Latitude | 38.9090 ± 0.0361 |
Longitude | 15.3320 ± 0.0244 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 75809 |
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) | 4541.5 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 226 |
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) | 0.4 |
Epicentral distance of station closest to the epicenter (degree) | 0.00461 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00907 |
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 | 2.3 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 75809 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 18:11:28 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | ML |
Reference to an origin | 75809 |
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. | 1988-08-16T19:10:46.41 | 10.0 | undecidable | manual | SG | 145 | 1.0101 | 0.1 | 0.7 | |
--.ATN.Z. | 1988-08-16T19:10:36.77 | 10.0 | undecidable | manual | SG | 171 | 0.7548 | -1.46 | 0.1 | |
--.SOI.Z. | 1988-08-16T19:10:32.69 | 10.0 | undecidable | manual | PG | 145 | 1.0101 | 0.88 | 0.7 | |
--.SA1.Z. | 1988-08-16T19:10:31.50 | 10.0 | undecidable | manual | SG | 228 | 0.5106 | 0.38 | 0.7 | |
--.GRI.Z. | 1988-08-16T19:10:28.41 | 10.0 | undecidable | manual | PG | 95 | 0.8436 | -0.48 | 1.4 | |
--.ATN.Z. | 1988-08-16T19:10:27.45 | 10.0 | undecidable | manual | PG | 171 | 0.7548 | 0.3 | 1.8 | |
--.SA1.Z. | 1988-08-16T19:10:22.45 | 10.0 | undecidable | manual | PG | 228 | 0.5106 | -0.33 | 1.7 |