A magnitude Md 2.5 earthquake occured in region: Tirreno Meridionale (MARE), on
and geographic coordinates (lat, lon) 38.9000, 15.5860 at 141 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 1.5 |
1993-07-28 04:11:21 |
38.9 | 15.586 | 141 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 192379 |
Field | Value |
---|---|
Time (UTC) | 1993-07-28 04:11:21 ± 0.737 |
Latitude | 38.9000 ± 0.0191 |
Longitude | 15.5860 ± 0.0843 |
Depth (km) | 141 ± 7 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 192379 |
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) | 7599.2 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 193 |
Number of associated phases, regardless of their use for origin computation | 10 |
Number of defining phases | 10 |
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) | 0.00478 |
Epicentral distance of station farthest from the epicenter (degree) | 0.01109 |
Number of stations at which the event was observed | 7 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 2.5 |
Uncertainty | |
Num. used stations | 4 |
Type of magnitude | Md |
Reference to an origin | 192379 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 20:00:45 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | ML |
Reference to an origin | 192379 |
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 |
---|---|---|---|---|---|---|---|---|---|---|
--.MGR.Z. | 1993-07-28T04:12:06.37 | 10.0 | undecidable | manual | S | 359 | 1.2321 | -0.42 | 0.2 | |
--.SOI.Z. | 1993-07-28T04:12:02.36 | 10.0 | undecidable | manual | S | 156 | 0.8991 | 0.95 | 0 | |
--.CZI.Z. | 1993-07-28T04:11:56.43 | 10.0 | undecidable | manual | S | 53 | 0.5328 | -0.39 | 0.2 | |
--.MGR.Z. | 1993-07-28T04:11:47.70 | 10.0 | undecidable | manual | P | 359 | 1.2321 | 0.22 | 0.9 | |
--.CSI.Z. | 1993-07-28T04:11:46.00 | 10.0 | undecidable | manual | P | 31 | 1.0323 | 0.42 | 0.5 | |
--.ROI.Z. | 1993-07-28T04:11:45.14 | 10.0 | undecidable | manual | P | 48 | 1.0101 | -0.2 | 1.1 | |
--.TDS.Z. | 1993-07-28T04:11:44.87 | 10.0 | undecidable | manual | P | 37 | 0.9546 | 0.03 | 1.3 | |
--.SOI.Z. | 1993-07-28T04:11:44.70 | 10.0 | negative | manual | P | 156 | 0.8991 | -0.31 | 1.7 | |
--.GMB.Z. | 1993-07-28T04:11:43.26 | 10.0 | undecidable | manual | P | 165 | 0.7548 | 0.06 | 1.4 | |
--.CZI.Z. | 1993-07-28T04:11:41.74 | 10.0 | negative | manual | P | 53 | 0.5328 | 0.01 | 2.8 |