A magnitude Md 2.4 earthquake occured in region: Tirreno Centrale (MARE), on
and geographic coordinates (lat, lon) 40.7800, 10.1620 at 25 km depth.
The earthquake was located by: Sala Sismica INGV-Roma.
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 |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
Md 2.4 | 2020-02-17 23:54:19 |
40.7797 | 10.1622 | 25 | 2020-04-21 17:28:37 |
Sala Sismica INGV-Roma | 78447441 |
Field | Value |
---|---|
Time (UTC) | 2020-02-17 23:54:19 ± 0.18 |
Latitude | 40.7797 ± 0.0126 |
Longitude | 10.1622 ± 0.0249 |
Depth (km) | 25 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 78447441 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 2180 |
Semi-minor axis of confidence ellipse (meter) | 1250 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 294 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 2180.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 159 |
Number of associated phases, regardless of their use for origin computation | 11 |
Number of defining phases | 11 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.29 |
Epicentral distance of station closest to the epicenter (degree) | 0.82288 |
Epicentral distance of station farthest from the epicenter (degree) | 2.26629 |
Number of stations at which the event was observed | 8 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 2.4 |
Uncertainty | 0.2 |
Num. used stations | 7 |
Type of magnitude | Md |
Reference to an origin | 78447441 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-04-21 17:28:37 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MAON.HHE. | 2020-02-17T23:55:13.13 | 0.6 | undecidable | manual | S | 23 | 199.7445 | 54 | 1 | 26 |
MN.VSL.HHE. | 2020-02-17T23:55:02.89 | 0.6 | undecidable | manual | S | 205 | 157.1205 | 54 | -0.06 | 44 |
IV.RIBO.EHE. | 2020-02-17T23:54:56.19 | 0.6 | undecidable | manual | P | 17 | 251.5593 | 54 | -0.26 | 24 |
TV.SU26.HHE. | 2020-02-17T23:54:55.12 | 0.6 | undecidable | manual | P | 218 | 232.2897 | 54 | 1.05 | 21 |
IV.BARO.EHE. | 2020-02-17T23:54:53.99 | 1.0 | undecidable | manual | P | 43 | 226.2069 | 54 | 0.69 | 13 |
IV.CELB.HHE. | 2020-02-17T23:54:51.87 | 0.6 | undecidable | manual | P | 1 | 218.2149 | 54 | -0.44 | 29 |
IV.TOLF.HHE. | 2020-02-17T23:54:51.07 | 0.6 | undecidable | manual | P | 46 | 209.0352 | 54 | -0.09 | 33 |
IV.MAON.HHE. | 2020-02-17T23:54:49.29 | 0.6 | undecidable | manual | P | 23 | 199.7445 | 54 | -0.72 | 29 |
IV.AGLI.HHE. | 2020-02-17T23:54:47.17 | 0.6 | undecidable | manual | S | 295 | 91.3419 | 100 | 0.22 | 49 |
MN.VSL.HHE. | 2020-02-17T23:54:44.65 | 0.1 | undecidable | manual | P | 205 | 157.1205 | 54 | -0.06 | 87 |
IV.AGLI.HHE. | 2020-02-17T23:54:35.32 | 0.1 | negative | manual | P | 295 | 91.3419 | 100 | -0.16 | 100 |