A magnitude Md 2.3 earthquake occured in region: Tirreno Meridionale (MARE), on
and geographic coordinates (lat, lon) 39.6330, 15.1180 at 10 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.
No Italian municipalities within 100 km from the epicenter with at least 50000 inhabitants.
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.3
ML-VAX 1.7 |
1988-09-26 05:11:50 |
39.633 | 15.118 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 77809 |
Field | Value |
---|---|
Time (UTC) | 1988-09-26 05:11:50 ± 0.799 |
Latitude | 39.6330 ± 0.0347 |
Longitude | 15.1180 ± 0.0446 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 77809 |
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) | 5432.1 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 280 |
Number of associated phases, regardless of their use for origin computation | 6 |
Number of defining phases | 6 |
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) | 0.00542 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00842 |
Number of stations at which the event was observed | 3 |
Number of stations from which data was used for origin computation | 3 |
Field | Value |
---|---|
Value | 2.3 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 77809 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 18:13:13 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | |
Num. used stations | 1 |
Type of magnitude | ML |
Reference to an origin | 77809 |
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 |
---|---|---|---|---|---|---|---|---|---|---|
--.SGO.Z. | 1988-09-26T05:12:23.80 | 10.0 | undecidable | manual | SG | 9 | 0.9324 | 0.92 | 0 | |
--.TDS.Z. | 1988-09-26T05:12:22.50 | 10.0 | undecidable | manual | SG | 88 | 0.9324 | 0.28 | 0.6 | |
--.MGR.Z. | 1988-09-26T05:12:10.92 | 10.0 | undecidable | manual | SG | 33 | 0.5994 | -0.59 | 0.2 | |
--.SGO.Z. | 1988-09-26T05:12:08.57 | 10.0 | undecidable | manual | PG | 9 | 0.9324 | -0.07 | 1.8 | |
--.TDS.Z. | 1988-09-26T05:12:08.77 | 10.0 | undecidable | manual | PG | 88 | 0.9324 | 0.1 | 1.8 | |
--.MGR.Z. | 1988-09-26T05:12:02.21 | 10.0 | undecidable | manual | PG | 33 | 0.5994 | -0.28 | 1.5 |