A magnitude ML 0.9 earthquake occured in region: 3 km SE Pomarance (PI), on
and geographic coordinates (lat, lon) 43.2770, 10.8870 at 8 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.
Municipality | Region | Distance (km) | Inhabitants | Cumulative Inhabitants |
---|---|---|---|---|
Pomarance | PI | 3 | 5897 | 5897 |
Castelnuovo di Val di Cecina | PI | 8 | 2231 | 8128 |
Radicondoli | SI | 13 | 914 | 9042 |
Volterra | PI | 14 | 10519 | 19561 |
Casole d'Elsa | SI | 15 | 3897 | 23458 |
Monterotondo Marittimo | GR | 15 | 1371 | 24829 |
Montecatini Val di Cecina | PI | 17 | 1749 | 26578 |
Monteverdi Marittimo | PI | 18 | 758 | 27336 |
Montieri | GR | 19 | 1204 | 28540 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.9 | 2020-03-24 05:04:07 |
43.2772 | 10.887 | 8 | 2020-03-24 05:07:56 |
Sala Sismica INGV-Roma | 77522591 |
Field | Value |
---|---|
Time (UTC) | 2020-03-24 05:04:07 ± 0.28 |
Latitude | 43.2772 ± 0.0180 |
Longitude | 10.8870 ± 0.0185 |
Depth (km) | 8 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 77522591 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 2040 |
Semi-minor axis of confidence ellipse (meter) | 1510 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 3 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 2040.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 147 |
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) | 0.49 |
Epicentral distance of station closest to the epicenter (degree) | 0.16278 |
Epicentral distance of station farthest from the epicenter (degree) | 0.35253 |
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 | 0.9 |
Uncertainty | 0.1 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 77522591 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-03-24 05:07:56 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CSNT.HHZ. | 2020-03-24T05:04:14.61 | 0.1 | undecidable | manual | P | 56 | 39.1275 | 50 | -0.47 | 100 |
IV.TRIF.CHZ. | 2020-03-24T05:04:13.45 | 0.6 | undecidable | manual | S | 176 | 18.0708 | 113 | -0.54 | 51 |
IV.MAGO.CHZ. | 2020-03-24T05:04:13.88 | 0.6 | undecidable | manual | S | 269 | 18.4704 | 112 | -0.26 | 54 |
IV.FROS.CHZ. | 2020-03-24T05:04:12.66 | 0.3 | positive | manual | P | 109 | 22.9548 | 108 | 0.61 | 73 |
IV.TRIF.CHZ. | 2020-03-24T05:04:11.31 | 0.6 | undecidable | manual | P | 176 | 18.0708 | 113 | 0.19 | 55 |
IV.MAGO.CHZ. | 2020-03-24T05:04:11.62 | 0.3 | positive | manual | P | 269 | 18.4704 | 112 | 0.42 | 79 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.TRIF.CHN. | ML:0.8 | 0.00005765 | 0.68 | AML | other | m | 2020-03-24T05:04:13.69 |
IV.TRIF.CHE. | ML:0.8 | 0.000054250000000000004 | 0.62 | AML | other | m | 2020-03-24T05:04:13.66 |
IV.MAGO.CHE. | ML:1.0 | 0.00009085 | 0.08 | AML | other | m | 2020-03-24T05:04:14.07 |
IV.MAGO.CHN. | ML:1.0 | 0.00008625 | 0.16 | AML | other | m | 2020-03-24T05:04:14.16 |