A magnitude Md 2.1 earthquake occured in region: Tirreno Meridionale (MARE), on
and geographic coordinates (lat, lon) 38.4730, 15.3860 at 125 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 | 2001-08-11 13:10:47 |
38.473 | 15.386 | 125 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 425949 |
Field | Value |
---|---|
Time (UTC) | 2001-08-11 13:10:47 ± 0.375 |
Latitude | 38.4730 ± 0.0157 |
Longitude | 15.3860 ± 0.0459 |
Depth (km) | 125 ± 3 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 425949 |
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) | 4363.8 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 226 |
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) | 0.1 |
Epicentral distance of station closest to the epicenter (degree) | 0.00283 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00971 |
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 | 2.1 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 425949 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 23:41:49 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.ACI.Z. | 2001-08-11T13:11:28.81 | 10.0 | undecidable | manual | S | 35 | 1.0767 | 0.42 | 0.1 | |
--.CZI.Z. | 2001-08-11T13:11:25.78 | 10.0 | undecidable | manual | S | 37 | 0.9435 | -0.26 | 0.3 | |
--.SOI.Z. | 2001-08-11T13:11:21.98 | 10.0 | undecidable | manual | S | 127 | 0.6549 | 0.11 | 0.6 | |
--.ATN.Z. | 2001-08-11T13:11:18.25 | 10.0 | undecidable | manual | S | 169 | 0.3108 | -0.2 | 0.4 | |
--.ACI.Z. | 2001-08-11T13:11:11.30 | 10.0 | undecidable | manual | P | 35 | 1.0767 | 0.12 | 2.2 | |
--.CZI.Z. | 2001-08-11T13:11:09.44 | 10.0 | undecidable | manual | P | 37 | 0.9435 | -0.38 | 0.3 | |
--.SOI.Z. | 2001-08-11T13:11:07.38 | 10.0 | negative | manual | P | 127 | 0.6549 | -0.04 | 3.1 | |
--.ATN.Z. | 2001-08-11T13:11:05.62 | 10.0 | undecidable | manual | P | 169 | 0.3108 | 0.18 | 1.1 |