A magnitude ML 2.1 earthquake occured in region: Tirreno Meridionale (MARE), on
and geographic coordinates (lat, lon) 38.8220, 13.4690 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 2.1 |
2009-03-28 09:38:18 |
38.822 | 13.469 | 5 | 2014-10-21 12:27:13 |
Bollettino Sismico Italiano INGV | 752569 |
Field | Value |
---|---|
Time (UTC) | 2009-03-28 09:38:18 ± 0.97 |
Latitude | 38.8220 ± 0.0836 |
Longitude | 13.4690 ± 0.0231 |
Depth (km) | 5 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-SISPICK |
Event type | earthquake |
Origin ID | 752569 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 9316 |
Semi-minor axis of confidence ellipse (meter) | 1684 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 354 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 9512.6 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 229 |
Number of associated phases, regardless of their use for origin computation | 5 |
Number of defining phases | 4 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.6 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.99735 |
Number of stations at which the event was observed | 4 |
Number of stations from which data was used for origin computation | 3 |
Field | Value |
---|---|
Value | 2.1 |
Uncertainty | 0.0 |
Num. used stations | |
Type of magnitude | ML |
Reference to an origin | 752569 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-05 14:13:46 |
Field | Value |
---|---|
Value | 2.3 |
Uncertainty | 0.1 |
Num. used stations | |
Type of magnitude | Md |
Reference to an origin | 752569 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-05 14:13:46 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.IFIL.BHZ. | 2009-03-28T09:38:39.91 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
IV.CSLB.SHZ. | 2009-03-28T09:38:37.70 | 0.3 | undecidable | manual | Pg | 152 | 110.7003 | 0.213 | 87 | |
I1.IACL.BHE. | 2009-03-28T09:38:32.97 | 0.3 | undecidable | manual | Pg | 112 | 83.1501 | -0.271 | 91 | |
IV.USI.SHZ. | 2009-03-28T09:38:27.76 | 0.6 | undecidable | manual | Sg | 243 | 28.1496 | -0.381 | 66 | |
IV.USI.SHZ. | 2009-03-28T09:38:24.26 | 0.3 | undecidable | manual | Pg | 243 | 28.1496 | 0.308 | 100 |