A magnitude Md 2.3 earthquake occured in region: Tirreno Meridionale (MARE), on
and geographic coordinates (lat, lon) 38.5460, 15.4370 at 153 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 1.5 |
1990-01-20 11:39:54 |
38.546 | 15.437 | 153 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 108229 |
Field | Value |
---|---|
Time (UTC) | 1990-01-20 11:39:54 ± 1.281 |
Latitude | 38.5460 ± 0.0606 |
Longitude | 15.4370 ± 0.1294 |
Depth (km) | 153 ± 13 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 108229 |
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) | 13119.5 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 247 |
Number of associated phases, regardless of their use for origin computation | 13 |
Number of defining phases | 13 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.2 |
Epicentral distance of station closest to the epicenter (degree) | 0.00356 |
Epicentral distance of station farthest from the epicenter (degree) | 0.01263 |
Number of stations at which the event was observed | 9 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 2.3 |
Uncertainty | |
Num. used stations | 1 |
Type of magnitude | Md |
Reference to an origin | 108229 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 18:40:45 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | |
Num. used stations | 1 |
Type of magnitude | ML |
Reference to an origin | 108229 |
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 |
---|---|---|---|---|---|---|---|---|---|---|
--.PA2.Z. | 1990-01-20T11:40:35.76 | 10.0 | undecidable | manual | S | 95 | 0.7881 | 0.43 | 0.4 | |
--.SE2.Z. | 1990-01-20T11:40:35.50 | 10.0 | undecidable | manual | S ! | 65 | 1.0989 | -4.19 | 0 | |
--.GA2.Z. | 1990-01-20T11:40:33.25 | 10.0 | undecidable | manual | S | 141 | 0.4884 | 1.16 | 0 | |
--.DR2.Z. | 1990-01-20T11:40:30.20 | 10.0 | undecidable | manual | S | 76 | 0.3996 | -1.21 | 0 | |
--.ROI.Z. | 1990-01-20T11:40:24.50 | 10.0 | undecidable | manual | P | 40 | 1.3431 | 1.13 | 0.2 | |
--.CSI.Z. | 1990-01-20T11:40:23.35 | 10.0 | undecidable | manual | P | 28 | 1.3986 | -0.13 | 0.8 | |
--.SE2.Z. | 1990-01-20T11:40:20.36 | 10.0 | undecidable | manual | P | 65 | 1.0989 | -0.2 | 0.9 | |
--.FE2.Z. | 1990-01-20T11:40:17.75 | 10.0 | positive | manual | P | 135 | 0.7104 | 0.22 | 1.2 | |
--.PA2.Z. | 1990-01-20T11:40:17.98 | 10.0 | negative | manual | P | 95 | 0.7881 | -0.06 | 2.6 | |
--.GA2.Z. | 1990-01-20T11:40:16.33 | 10.0 | positive | manual | P | 141 | 0.4884 | 0.16 | 2.6 | |
--.SOI.Z. | 1990-01-20T11:40:16.91 | 10.0 | negative | manual | P | 134 | 0.6771 | -0.34 | 2 | |
--.DR2.Z. | 1990-01-20T11:40:15.76 | 10.0 | undecidable | manual | P | 76 | 0.3996 | -0.02 | 1.3 | |
--.CZI.Z. | 1990-01-20T11:40:14.56 | 10.0 | undecidable | manual | P ! | 39 | 0.8547 | -4.01 | 0 |