A magnitude Md 2.3 earthquake occured in region: Tirreno Meridionale (MARE), on
and geographic coordinates (lat, lon) 38.8000, 15.6410 at 67 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 1.9 |
1988-01-04 18:58:46 |
38.8 | 15.641 | 67 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 60459 |
Field | Value |
---|---|
Time (UTC) | 1988-01-04 18:58:46 ± 0.857 |
Latitude | 38.8000 ± 0.0287 |
Longitude | 15.6410 ± 0.0664 |
Depth (km) | 67 ± 10 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 60459 |
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) | 6578.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 209 |
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) | 0.2 |
Epicentral distance of station closest to the epicenter (degree) | 0.00502 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00712 |
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 | 60459 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:57:40 |
Field | Value |
---|---|
Value | 1.9 |
Uncertainty | |
Num. used stations | 1 |
Type of magnitude | ML |
Reference to an origin | 60459 |
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. | 1988-01-04T18:59:15.00 | 10.0 | undecidable | manual | S | 156 | 0.7881 | 0.81 | 0 | |
--.ATN.Z. | 1988-01-04T18:59:10.82 | 10.0 | undecidable | manual | S | 192 | 0.6549 | -0.58 | 0.2 | |
--.CZI.Z. | 1988-01-04T18:59:09.50 | 10.0 | undecidable | manual | S | 42 | 0.555 | -0.2 | 0.5 | |
--.SOI.Z. | 1988-01-04T18:59:02.00 | 10.0 | undecidable | manual | P | 156 | 0.7881 | -0.48 | 0.6 | |
--.ATN.Z. | 1988-01-04T18:59:01.21 | 10.0 | undecidable | manual | P | 192 | 0.6549 | 0.34 | 1 | |
--.CZI.Z. | 1988-01-04T18:59:00.00 | 10.0 | undecidable | manual | P | 42 | 0.555 | 0.11 | 3.1 | |
--.GRI.Z. | 1988-01-04T18:59:00.22 | 10.0 | undecidable | manual | P | 87 | 0.5994 | -0.11 | 1.5 |