A magnitude ML 0.6 earthquake occured in region: 5 km E Castelnuovo di Val di Cecina (PI), on
and geographic coordinates (lat, lon) 43.2050, 10.9700 at 9 km depth.
The earthquake was located by: Bollettino Sismico Italiano INGV.
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 |
Montieri | GR | 9 | 1204 | 4349 |
Chiusdino | SI | 11 | 1903 | 6252 |
Monterotondo Marittimo | GR | 11 | 1371 | 7623 |
Pomarance | PI | 13 | 5897 | 13520 |
Casole d'Elsa | SI | 16 | 3897 | 17417 |
Massa Marittima | GR | 18 | 8375 | 25792 |
Monticiano | SI | 19 | 1571 | 27363 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 0.6 | 2021-10-19 01:57:13 |
43.205 | 10.9695 | 9 | 2022-03-30 13:04:13 |
Bollettino Sismico Italiano INGV | 97018881 |
Reviewed Rev100 |
ML 0.7 | 2021-10-19 01:57:13 |
43.2152 | 10.9735 | 8 | 2021-10-19 02:01:29 |
Sala Sismica INGV-Roma | 96745911 |
Field | Value |
---|---|
Time (UTC) | 2021-10-19 01:57:13 ± 0.08 |
Latitude | 43.2050 ± 0.0054 |
Longitude | 10.9695 ± 0.0062 |
Depth (km) | 9 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 97018881 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 575 |
Semi-minor axis of confidence ellipse (meter) | 460 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 177 |
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) | 80 |
Number of associated phases, regardless of their use for origin computation | 14 |
Number of defining phases | 14 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.23 |
Epicentral distance of station closest to the epicenter (degree) | 0.10252 |
Epicentral distance of station farthest from the epicenter (degree) | 0.89932 |
Number of stations at which the event was observed | 10 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 0.6 |
Uncertainty | 0.1 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 97018881 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-10-27 09:55:59 |
Field | Value |
---|---|
Value | 0.7 |
Uncertainty | 0.3 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 96745911 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-10-19 02:01:29 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.BDI.HNZ. | 2021-10-19T01:57:30.50 | 0.1 | undecidable | manual | P | 343 | 99.8223 | 50 | 0.06 | 100 |
IV.CELB.HHZ. | 2021-10-19T01:57:27.24 | 0.6 | undecidable | manual | P | 231 | 79.8645 | 50 | -0.14 | 51 |
IV.CSNT.HHZ. | 2021-10-19T01:57:26.50 | 0.3 | undecidable | manual | S | 41 | 39.4272 | 50 | -0.31 | 80 |
IV.PII.HHZ. | 2021-10-19T01:57:25.46 | 0.6 | undecidable | manual | P | 328 | 67.5768 | 50 | -0.02 | 54 |
IV.MAGO.CHZ. | 2021-10-19T01:57:22.75 | 0.3 | undecidable | manual | S | 287 | 26.2515 | 109 | -0.29 | 82 |
IV.CASP.HHZ. | 2021-10-19T01:57:22.25 | 0.3 | undecidable | manual | P | 190 | 46.7199 | 50 | -0.02 | 84 |
IV.OSSC.HHZ. | 2021-10-19T01:57:21.34 | 0.6 | undecidable | manual | P | 32 | 41.8248 | 50 | -0.17 | 55 |
IV.CSNT.HHZ. | 2021-10-19T01:57:21.51 | 0.3 | undecidable | manual | P | 41 | 39.4272 | 50 | 0.37 | 79 |
IV.FROS.CHZ. | 2021-10-19T01:57:19.34 | 0.3 | undecidable | manual | S | 88 | 15.0738 | 121 | -0.17 | 86 |
IV.MAGO.CHZ. | 2021-10-19T01:57:19.32 | 0.3 | undecidable | manual | P | 287 | 26.2515 | 109 | 0.36 | 81 |
IV.RIBO.EHZ.01 | 2021-10-19T01:57:19.47 | 0.3 | undecidable | manual | P | 168 | 29.0487 | 107 | -0.02 | 86 |
IV.TRIF.CHZ. | 2021-10-19T01:57:18.15 | 0.3 | undecidable | manual | S | 208 | 11.3775 | 129 | -0.29 | 84 |
IV.FROS.CHZ. | 2021-10-19T01:57:17.10 | 0.3 | undecidable | manual | P | 88 | 15.0738 | 121 | 0.18 | 86 |
IV.TRIF.CHZ. | 2021-10-19T01:57:16.67 | 0.3 | undecidable | manual | P | 208 | 11.3775 | 129 | 0.36 | 83 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.FROS.CHN. | ML:0.6 | 0.00004124999999999999 | 0.44 | AML | other | m | 2021-10-19T01:57:19.58 |
IV.FROS.CHE. | ML:0.5 | 0.000031 | 0.38 | AML | other | m | 2021-10-19T01:57:22.05 |
IV.OSSC.HHE. | ML:0.7 | 0.00001301 | 0.42 | AML | other | m | 2021-10-19T01:57:34.02 |
IV.OSSC.HHN. | ML:0.7 | 0.0000156 | 0.42 | AML | other | m | 2021-10-19T01:57:41.50 |