A magnitude Md 2.3 earthquake occured in region: Tirreno Meridionale (MARE), on
and geographic coordinates (lat, lon) 38.2300, 11.8170 at 5 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 |
2001-06-20 18:57:02 |
38.23 | 11.817 | 5 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 420269 |
Field | Value |
---|---|
Time (UTC) | 2001-06-20 18:57:02 ± 0.801 |
Latitude | 38.2300 ± 0.0319 |
Longitude | 11.8170 ± 0.0566 |
Depth (km) | 5 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 420269 |
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) | 6089.5 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 304 |
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) | 0.7 |
Epicentral distance of station closest to the epicenter (degree) | 0.00421 |
Epicentral distance of station farthest from the epicenter (degree) | 0.01149 |
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 | 2 |
Type of magnitude | Md |
Reference to an origin | 420269 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 23:36:15 |
Field | Value |
---|---|
Value | 1.9 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | ML |
Reference to an origin | 420269 |
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 |
---|---|---|---|---|---|---|---|---|---|---|
--.CLTB.Z. | 2001-06-20T18:57:44.20 | 10.0 | undecidable | manual | SN | 120 | 1.2765 | -0.51 | 0.6 | |
--.USI.Z. | 2001-06-20T18:57:42.10 | 10.0 | undecidable | manual | SN | 65 | 1.1544 | 0.11 | 0.8 | |
--.CLTB.Z. | 2001-06-20T18:57:27.63 | 10.0 | undecidable | manual | PN | 120 | 1.2765 | 0.97 | 1 | |
--.ERC.Z. | 2001-06-20T18:57:26.90 | 10.0 | undecidable | manual | SG | 107 | 0.6327 | 0.57 | 0.7 | |
--.USI.Z. | 2001-06-20T18:57:24.60 | 10.0 | undecidable | manual | PN | 65 | 1.1544 | -0.54 | 1.5 | |
--.LVI.Z. | 2001-06-20T18:57:19.65 | 10.0 | undecidable | manual | SG | 121 | 0.4662 | -0.77 | 0.6 | |
--.ERC.Z. | 2001-06-20T18:57:16.49 | 10.0 | undecidable | manual | PG | 107 | 0.6327 | 0.8 | 1.4 | |
--.LVI.Z. | 2001-06-20T18:57:11.99 | 10.0 | undecidable | manual | PG | 121 | 0.4662 | -0.75 | 1.3 |