A magnitude Md 2.2 earthquake occured in region: Tirreno Meridionale (MARE), on
and geographic coordinates (lat, lon) 38.6100, 15.5060 at 80 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 2.2
ML-VAX 1.5 |
1988-08-06 20:11:53 |
38.61 | 15.506 | 80 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 74909 |
Field | Value |
---|---|
Time (UTC) | 1988-08-06 20:11:53 ± 0.611 |
Latitude | 38.6100 ± 0.0453 |
Longitude | 15.5060 ± 0.0624 |
Depth (km) | 80 ± 5 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 74909 |
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) | 7401.5 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 248 |
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) | 0.00348 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00664 |
Number of stations at which the event was observed | 6 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 2.2 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 74909 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 18:10:40 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 74909 |
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 |
---|---|---|---|---|---|---|---|---|---|---|
--.GRI.Z. | 1988-08-06T20:12:21.51 | 10.0 | undecidable | manual | S | 73 | 0.7326 | 0.05 | 0.6 | |
--.SOI.Z. | 1988-08-06T20:12:19.69 | 10.0 | undecidable | manual | S | 141 | 0.6882 | -0.73 | 0 | |
--.ATN.Z. | 1988-08-06T20:12:16.50 | 10.0 | undecidable | manual | S | 184 | 0.444 | -0.12 | 0.7 | |
--.SC9.Z. | 1988-08-06T20:12:16.50 | 10.0 | undecidable | manual | S | 155 | 0.3885 | 0.73 | 0 | |
--.GRI.Z. | 1988-08-06T20:12:09.51 | 10.0 | undecidable | manual | P | 73 | 0.7326 | -0.04 | 1.6 | |
--.SOI.Z. | 1988-08-06T20:12:09.21 | 10.0 | undecidable | manual | P | 141 | 0.6882 | 0.26 | 1.2 | |
--.MO9.Z. | 1988-08-06T20:12:08.65 | 10.0 | undecidable | manual | P | 166 | 0.6216 | 0.32 | 1.1 | |
--.GMB.Z. | 1988-08-06T20:12:07.23 | 10.0 | undecidable | manual | P | 150 | 0.4995 | -0.01 | 1.9 | |
--.SC9.Z. | 1988-08-06T20:12:06.00 | 10.0 | undecidable | manual | P | 155 | 0.3885 | -0.26 | 1.4 | |
--.ATN.Z. | 1988-08-06T20:12:06.50 | 10.0 | undecidable | manual | P | 184 | 0.444 | -0.25 | 1.4 |