A magnitude Md 2.1 earthquake occured in region: Tirreno Meridionale (MARE), on
and geographic coordinates (lat, lon) 38.4810, 15.4520 at 123 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 2.1 | 1993-05-22 02:41:23 |
38.481 | 15.452 | 123 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 185639 |
Field | Value |
---|---|
Time (UTC) | 1993-05-22 02:41:23 ± 0.993 |
Latitude | 38.4810 ± 0.0410 |
Longitude | 15.4520 ± 0.0921 |
Depth (km) | 123 ± 9 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 185639 |
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) | 9218.5 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 184 |
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) | 0.01489 |
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 | 2.1 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 185639 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 19:54:15 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.CZI.Z. | 1993-05-22T02:41:59.95 | 10.0 | undecidable | manual | S | 35 | 0.9102 | -0.83 | 0.2 | |
--.SOI.Z. | 1993-05-22T02:41:57.68 | 10.0 | undecidable | manual | S | 130 | 0.6216 | 1 | 0.1 | |
--.ATN.Z. | 1993-05-22T02:41:54.22 | 10.0 | undecidable | manual | S | 178 | 0.3108 | 0.56 | 0.4 | |
--.MGR.Z. | 1993-05-22T02:41:53.33 | 10.0 | positive | manual | P | 2 | 1.6539 | 0.23 | 2.4 | |
--.ROI.Z. | 1993-05-22T02:41:50.58 | 10.0 | undecidable | manual | P | 38 | 1.3875 | 0.53 | 0.8 | |
--.CZI.Z. | 1993-05-22T02:41:44.48 | 10.0 | undecidable | manual | P | 35 | 0.9102 | -0.52 | 1.1 | |
--.SOI.Z. | 1993-05-22T02:41:42.29 | 10.0 | undecidable | manual | P | 130 | 0.6216 | -0.34 | 1.6 | |
--.ATN.Z. | 1993-05-22T02:41:40.49 | 10.0 | undecidable | manual | P | 178 | 0.3108 | -0.4 | 1.4 |