A magnitude ML 0.4 earthquake occured in region: 3 km W Pomarance (PI), on
and geographic coordinates (lat, lon) 43.2900, 10.8430 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 | 3 | 5897 | 5897 |
Castelnuovo di Val di Cecina | PI | 11 | 2231 | 8128 |
Volterra | PI | 13 | 10519 | 18647 |
Montecatini Val di Cecina | PI | 14 | 1749 | 20396 |
Monterotondo Marittimo | GR | 16 | 1371 | 21767 |
Monteverdi Marittimo | PI | 16 | 758 | 22525 |
Radicondoli | SI | 16 | 914 | 23439 |
Guardistallo | PI | 17 | 1234 | 24673 |
Casole d'Elsa | SI | 17 | 3897 | 28570 |
Montescudaio | PI | 18 | 2144 | 30714 |
Casale Marittimo | PI | 18 | 1122 | 31836 |
Bibbona | LI | 20 | 3175 | 35011 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.4 | 2020-04-12 03:40:13 |
43.2902 | 10.8433 | 4 | 2020-04-12 03:50:15 |
Sala Sismica INGV-Roma | 78132141 |
Field | Value |
---|---|
Time (UTC) | 2020-04-12 03:40:13 ± 0.11 |
Latitude | 43.2902 ± 0.0072 |
Longitude | 10.8433 ± 0.0062 |
Depth (km) | 4 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 78132141 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 583 |
Semi-minor axis of confidence ellipse (meter) | 567 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 184 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 580.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 108 |
Number of associated phases, regardless of their use for origin computation | 16 |
Number of defining phases | 10 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.26 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.51441 |
Number of stations at which the event was observed | 11 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 0.4 |
Uncertainty | 0.3 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 78132141 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-04-12 03:50:15 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MONC.HHZ. | 2020-04-12T03:41:36.30 | 3.0 | undecidable | manual | Sn | 2.72 | 0 | |||
OT.OT13.EHZ. | 2020-04-12T03:41:28.06 | 3.0 | negative | manual | Pg | 8.54 | 0 | |||
IV.ROSPO.HHZ. | 2020-04-12T03:41:05.62 | 3.0 | undecidable | manual | Pn | -0.23 | 0 | |||
IV.MILN.HHZ. | 2020-04-12T03:40:57.17 | 3.0 | undecidable | manual | Pg | 2.48 | 0 | |||
GU.GSCL.HHZ. | 2020-04-12T03:40:48.89 | 3.0 | undecidable | manual | S | -2.03 | 0 | |||
IV.BRSN.HNZ. | 2020-04-12T03:40:38.12 | 3.0 | undecidable | manual | Pg | -1.17 | 0 | |||
IV.CRMI.HNN. | 2020-04-12T03:40:32.79 | 0.6 | undecidable | manual | S | 11 | 57.0984 | 50 | -0.16 | 47 |
IV.CSNT.HHZ. | 2020-04-12T03:40:27.69 | 0.3 | undecidable | manual | S | 60 | 41.3253 | 95 | -0.27 | 71 |
IV.CRMI.HNN. | 2020-04-12T03:40:24.80 | 0.6 | undecidable | manual | P | 11 | 57.0984 | 50 | 0.04 | 48 |
IV.FROS.CHZ. | 2020-04-12T03:40:22.85 | 0.3 | undecidable | manual | S | 109 | 26.751 | 97 | -0.09 | 75 |
IV.CSNT.HHZ. | 2020-04-12T03:40:21.95 | 0.3 | undecidable | manual | P | 60 | 41.3253 | 95 | 0.08 | 74 |
IV.TRIF.CHZ. | 2020-04-12T03:40:20.26 | 0.3 | undecidable | manual | S | 166 | 20.0688 | 100 | -0.36 | 72 |
IV.FROS.CHZ. | 2020-04-12T03:40:19.34 | 0.1 | positive | manual | P | 109 | 26.751 | 97 | 0.36 | 95 |
IV.MAGO.CHZ. | 2020-04-12T03:40:18.69 | 0.3 | undecidable | manual | S | 263 | 15.0738 | 103 | -0.25 | 74 |
IV.TRIF.CHZ. | 2020-04-12T03:40:17.95 | 0.6 | undecidable | manual | P | 166 | 20.0688 | 100 | 0.32 | 48 |
IV.MAGO.CHZ. | 2020-04-12T03:40:16.87 | 0.1 | positive | manual | P | 263 | 15.0738 | 103 | 0.2 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MAGO.CHE. | ML:0.9 | 0.00008575685999999999 | 0.088 | AML | other | m | 2020-04-12T03:40:18.84 |
IV.MAGO.CHN. | ML:0.6 | 0.000051660454999999995 | 0.104 | AML | other | m | 2020-04-12T03:40:17.73 |
IV.FROS.CHE. | ML:0.2 | 0.000009697394 | 0.096 | AML | other | m | 2020-04-12T03:40:23.14 |
IV.FROS.CHN. | ML:0.4 | 0.000016097340000000002 | 0.328 | AML | other | m | 2020-04-12T03:40:24.73 |
IV.CSNT.HHE. | ML:0.2 | 0.000005558265000000001 | 0.12 | AML | other | m | 2020-04-12T03:40:27.88 |
IV.CSNT.HHN. | ML:0.2 | 0.000005676837 | 0.16 | AML | other | m | 2020-04-12T03:40:27.42 |