A magnitude ML 1.1 earthquake occured in region: 4 km NE Castelnuovo di Val di Cecina (PI), on
and geographic coordinates (lat, lon) 43.2400, 10.9410 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 |
---|---|---|---|---|
Castelnuovo di Val di Cecina | PI | 5 | 2231 | 2231 |
Radicondoli | SI | 9 | 914 | 3145 |
Pomarance | PI | 9 | 5897 | 9042 |
Monterotondo Marittimo | GR | 12 | 1371 | 10413 |
Montieri | GR | 14 | 1204 | 11617 |
Casole d'Elsa | SI | 14 | 3897 | 15514 |
Chiusdino | SI | 15 | 1903 | 17417 |
Volterra | PI | 19 | 10519 | 27936 |
Monteverdi Marittimo | PI | 20 | 758 | 28694 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2019-12-07 20:20:15 |
43.2397 | 10.9412 | 8 | 2019-12-07 20:36:36 |
Sala Sismica INGV-Roma | 74418691 |
Field | Value |
---|---|
Time (UTC) | 2019-12-07 20:20:15 ± 0.18 |
Latitude | 43.2397 ± 0.0126 |
Longitude | 10.9412 ± 0.0136 |
Depth (km) | 8 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 74418691 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1149 |
Semi-minor axis of confidence ellipse (meter) | 1077 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 185 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1150.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 119 |
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) | 0.42 |
Epicentral distance of station closest to the epicenter (degree) | 0.12770 |
Epicentral distance of station farthest from the epicenter (degree) | 0.45236 |
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 | 0.2 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 74418691 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2019-12-07 20:36:36 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.OSSC.HHE. | 2019-12-07T20:20:28.37 | 0.6 | undecidable | manual | S | 38 | 39.9267 | 50 | -0.78 | 41 |
IV.CASP.HHZ. | 2019-12-07T20:20:24.96 | 0.1 | undecidable | manual | P | 187 | 50.2164 | 50 | 0.09 | 98 |
IV.MAGO.CHZ. | 2019-12-07T20:20:23.28 | 0.6 | undecidable | manual | S | 279 | 23.1546 | 108 | -0.48 | 47 |
IV.OSSC.HHE. | 2019-12-07T20:20:23.41 | 0.1 | undecidable | manual | P | 38 | 39.9267 | 50 | 0.12 | 99 |
IV.FROS.CHZ. | 2019-12-07T20:20:21.63 | 0.6 | undecidable | manual | S | 101 | 17.6712 | 113 | -0.34 | 49 |
IV.MAGO.CHZ. | 2019-12-07T20:20:20.57 | 0.3 | positive | manual | P | 279 | 23.1546 | 108 | 0.39 | 72 |
IV.TRIF.CHZ. | 2019-12-07T20:20:20.30 | 0.3 | undecidable | manual | S | 193 | 14.1747 | 118 | -0.59 | 69 |
IV.FROS.CHZ. | 2019-12-07T20:20:19.48 | 0.1 | negative | manual | P | 101 | 17.6712 | 113 | 0.33 | 98 |
IV.TRIF.CHZ. | 2019-12-07T20:20:18.80 | 0.1 | positive | manual | P | 193 | 14.1747 | 118 | 0.28 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.TRIF.CHN. | ML:1.2 | 0.000188 | 0.42 | AML | other | m | 2019-12-07T20:20:20.80 |
IV.TRIF.CHE. | ML:1.1 | 0.00015050000000000003 | 0.9 | AML | other | m | 2019-12-07T20:20:21.73 |
IV.FROS.CHE. | ML:0.9 | 0.00006594999999999999 | 0.4 | AML | other | m | 2019-12-07T20:20:22.91 |
IV.FROS.CHN. | ML:0.9 | 0.00006275 | 0.54 | AML | other | m | 2019-12-07T20:20:23.25 |
IV.MAGO.CHE. | ML:1.2 | 0.0000996 | 0.1 | AML | other | m | 2019-12-07T20:20:23.88 |
IV.MAGO.CHN. | ML:1.2 | 0.0000935 | 1.02 | AML | other | m | 2019-12-07T20:20:24.03 |