A magnitude Md 1.9 earthquake occured in region: Tirreno Meridionale (MARE), on
and geographic coordinates (lat, lon) 38.4700, 15.3730 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 1.9
ML-VAX 2.0 |
1990-04-05 10:26:26 |
38.47 | 15.373 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 113529 |
Field | Value |
---|---|
Time (UTC) | 1990-04-05 10:26:26 ± 0.224 |
Latitude | 38.4700 ± 0.0111 |
Longitude | 15.3730 ± 0.0205 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 113529 |
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) | 2171.4 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 173 |
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) | 0.4 |
Epicentral distance of station closest to the epicenter (degree) | 0.00283 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00858 |
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 | 1.9 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 113529 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 18:45:31 |
Field | Value |
---|---|
Value | 2.0 |
Uncertainty | |
Num. used stations | 1 |
Type of magnitude | ML |
Reference to an origin | 113529 |
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 |
---|---|---|---|---|---|---|---|---|---|---|
--.MNO.Z. | 1990-04-05T10:26:52.00 | 10.0 | undecidable | manual | SG | 225 | 0.7548 | -0.48 | 0.3 | |
--.CZI.Z. | 1990-04-05T10:26:44.63 | 10.0 | negative | manual | PG | 38 | 0.9546 | -0.45 | 1.3 | |
--.MO9.Z. | 1990-04-05T10:26:44.92 | 10.0 | undecidable | manual | SG | 151 | 0.5328 | -0.35 | 0.4 | |
--.MNO.Z. | 1990-04-05T10:26:41.85 | 10.0 | undecidable | manual | PG | 225 | 0.7548 | 0.44 | 0.8 | |
--.ATN.Z. | 1990-04-05T10:26:37.86 | 10.0 | undecidable | manual | SG | 167 | 0.3108 | -0.61 | 0.2 | |
--.MO9.Z. | 1990-04-05T10:26:37.24 | 10.0 | undecidable | manual | PG | 151 | 0.5328 | -0.01 | 1.7 | |
--.DR2.Z. | 1990-04-05T10:26:36.55 | 10.0 | positive | manual | PG | 68 | 0.4662 | 0.43 | 1.8 | |
--.ATN.Z. | 1990-04-05T10:26:33.50 | 10.0 | undecidable | manual | PG | 167 | 0.3108 | 0.18 | 1.5 |