A magnitude ML 1.1 earthquake occured in region: Pomarance (PI), on
and geographic coordinates (lat, lon) 43.2990, 10.8750 at 4 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 | 0 | 5897 | 5897 |
Castelnuovo di Val di Cecina | PI | 11 | 2231 | 8128 |
Volterra | PI | 12 | 10519 | 18647 |
Radicondoli | SI | 14 | 914 | 19561 |
Casole d'Elsa | SI | 14 | 3897 | 23458 |
Montecatini Val di Cecina | PI | 15 | 1749 | 25207 |
Monterotondo Marittimo | GR | 17 | 1371 | 26578 |
Monteverdi Marittimo | PI | 19 | 758 | 27336 |
Guardistallo | PI | 20 | 1234 | 28570 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2020-03-13 06:48:02 |
43.2993 | 10.8752 | 4 | 2020-03-13 07:38:29 |
Sala Sismica INGV-Roma | 77233231 |
Field | Value |
---|---|
Time (UTC) | 2020-03-13 06:48:02 ± 0.16 |
Latitude | 43.2993 ± 0.0090 |
Longitude | 10.8752 ± 0.0086 |
Depth (km) | 4 ± 3 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 77233231 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 989 |
Semi-minor axis of confidence ellipse (meter) | 133 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 344 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 990.0 |
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 | 9 |
Number of defining phases | 9 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.32 |
Epicentral distance of station closest to the epicenter (degree) | 0.16008 |
Epicentral distance of station farthest from the epicenter (degree) | 0.73565 |
Number of stations at which the event was observed | 5 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.3 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 77233231 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-03-13 07:38:29 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CELB.HHZ. | 2020-03-13T06:48:17.74 | 0.3 | negative | manual | P | 222 | 81.6516 | 50 | -0.14 | 68 |
IV.CSNT.HHZ. | 2020-03-13T06:48:15.94 | 0.3 | undecidable | manual | S | 60 | 38.628 | 95 | -0.42 | 69 |
IV.FROS.CHZ. | 2020-03-13T06:48:11.45 | 0.3 | undecidable | manual | S | 114 | 24.753 | 98 | -0.14 | 75 |
IV.CSNT.HHZ. | 2020-03-13T06:48:10.80 | 0.1 | undecidable | manual | P | 60 | 38.628 | 95 | 0.13 | 98 |
IV.TRIF.CHZ. | 2020-03-13T06:48:09.69 | 0.6 | undecidable | manual | S | 174 | 20.5683 | 100 | -0.46 | 47 |
IV.FROS.CHZ. | 2020-03-13T06:48:08.33 | 0.1 | undecidable | manual | P | 114 | 24.753 | 98 | 0.41 | 94 |
IV.MAGO.CHZ. | 2020-03-13T06:48:08.82 | 0.6 | undecidable | manual | S | 261 | 17.7711 | 101 | -0.37 | 48 |
IV.TRIF.CHZ. | 2020-03-13T06:48:07.26 | 0.1 | undecidable | manual | P | 174 | 20.5683 | 100 | 0.17 | 100 |
IV.MAGO.CHZ. | 2020-03-13T06:48:06.73 | 0.1 | positive | manual | P | 261 | 17.7711 | 101 | 0.2 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MAGO.CHE. | ML:1.5 | 0.0003305 | 1.66 | AML | other | m | 2020-03-13T06:48:08.90 |
IV.MAGO.CHN. | ML:1.6 | 0.0003715 | 0.08 | AML | other | m | 2020-03-13T06:48:09.08 |
IV.TRIF.CHE. | ML:1.3 | 0.00015200000000000004 | 0.68 | AML | other | m | 2020-03-13T06:48:10.13 |
IV.TRIF.CHN. | ML:1.3 | 0.00014800000000000002 | 0.98 | AML | other | m | 2020-03-13T06:48:11.30 |
IV.FROS.CHE. | ML:0.8 | 0.000043810669999999995 | 0.16 | AML | other | m | 2020-03-13T06:48:13.39 |
IV.FROS.CHN. | ML:0.8 | 0.00004380154 | 0.1344 | AML | other | m | 2020-03-13T06:48:13.46 |
IV.CSNT.HHE. | ML:0.7 | 0.000018057315 | 0.1824 | AML | other | m | 2020-03-13T06:48:16.68 |
IV.CSNT.HHN. | ML:0.7 | 0.00002208146 | 0.16 | AML | other | m | 2020-03-13T06:48:16.06 |