A magnitude ML 1.6 earthquake occured in region: 1 km SW Chiusdino (SI), on
and geographic coordinates (lat, lon) 43.1500, 11.0860 at 10 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 |
---|---|---|---|---|
Chiusdino | SI | 1 | 1903 | 1903 |
Montieri | GR | 6 | 1204 | 3107 |
Monticiano | SI | 8 | 1571 | 4678 |
Radicondoli | SI | 13 | 914 | 5592 |
Castelnuovo di Val di Cecina | PI | 16 | 2231 | 7823 |
Roccastrada | GR | 17 | 9199 | 17022 |
Monterotondo Marittimo | GR | 19 | 1371 | 18393 |
Sovicille | SI | 19 | 10116 | 28509 |
Massa Marittima | GR | 19 | 8375 | 36884 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.6 | 2020-12-10 02:19:50 |
43.1495 | 11.0862 | 10 | 2021-02-26 14:56:19 |
Bollettino Sismico Italiano INGV | 87308051 |
Reviewed Rev100 |
ML 1.6 | 2020-12-10 02:19:50 |
43.1488 | 11.0853 | 11 | 2020-12-10 02:26:17 |
Sala Sismica INGV-Roma | 85328521 |
Field | Value |
---|---|
Time (UTC) | 2020-12-10 02:19:50 ± 0.11 |
Latitude | 43.1495 ± 0.0063 |
Longitude | 11.0862 ± 0.0099 |
Depth (km) | 10 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 87308051 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 825 |
Semi-minor axis of confidence ellipse (meter) | 537 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 298 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 820.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 96 |
Number of associated phases, regardless of their use for origin computation | 21 |
Number of defining phases | 14 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.33 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.41189 |
Number of stations at which the event was observed | 14 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | 0.2 |
Num. used stations | 7 |
Type of magnitude | ML |
Reference to an origin | 87308051 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-02-19 23:42:11 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | 0.2 |
Num. used stations | 7 |
Type of magnitude | ML |
Reference to an origin | 85328521 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-12-10 02:26:17 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.PAOL.HHZ. | 2020-12-10T02:21:36.77 | 3.0 | undecidable | manual | Sg | 20.879999 | 0 | |||
IV.AGLI.HHZ. | 2020-12-10T02:20:57.01 | 3.0 | undecidable | manual | Sn | 1.25 | 0 | |||
IV.MTMR.EHZ. | 2020-12-10T02:20:54.05 | 3.0 | undecidable | manual | Pg | 12.63 | 0 | |||
IV.GAVE.EHZ. | 2020-12-10T02:20:25.93 | 3.0 | undecidable | manual | Sn | -2.01 | 0 | |||
IV.ZONE.HHZ. | 2020-12-10T02:20:21.82 | 3.0 | positive | manual | Pn | -5.57 | 0 | |||
IV.CRTC.HHZ. | 2020-12-10T02:20:11.91 | 3.0 | undecidable | manual | Pg | 1.85 | 0 | |||
IV.PLMA.HHZ. | 2020-12-10T02:20:06.82 | 3.0 | negative | manual | P | -1.28 | 0 | |||
IV.ARCI.HHZ. | 2020-12-10T02:20:04.84 | 0.3 | undecidable | manual | S | 136 | 45.7209 | 50 | -0.45 | 66 |
IV.CASP.HHZ. | 2020-12-10T02:20:04.54 | 0.6 | undecidable | manual | S | 204 | 43.623 | 50 | -0.2 | 47 |
IV.CSNT.HHZ. | 2020-12-10T02:20:03.23 | 0.3 | undecidable | manual | S | 25 | 39.5271 | 50 | -0.41 | 67 |
IV.MAGO.CHZ. | 2020-12-10T02:20:02.53 | 0.6 | undecidable | manual | S | 292 | 37.2294 | 50 | -0.51 | 44 |
IV.ARCI.HHZ. | 2020-12-10T02:19:59.38 | 0.3 | undecidable | manual | P | 136 | 45.7209 | 50 | 0.35 | 68 |
IV.CASP.HHZ. | 2020-12-10T02:19:59.23 | 0.3 | undecidable | manual | P | 204 | 43.623 | 50 | 0.52 | 65 |
IV.CSNT.HHZ. | 2020-12-10T02:19:58.42 | 0.3 | undecidable | manual | P | 25 | 39.5271 | 50 | 0.35 | 68 |
IV.RIBO.EHZ.01 | 2020-12-10T02:19:58.74 | 0.3 | undecidable | manual | S | 188 | 22.4553 | 115 | -0.31 | 71 |
IV.MAGO.CHZ. | 2020-12-10T02:19:58.02 | 0.3 | undecidable | manual | P | 292 | 37.2294 | 50 | 0.29 | 69 |
IV.TRIF.CHZ. | 2020-12-10T02:19:56.49 | 0.3 | undecidable | manual | S | 256 | 15.3735 | 124 | -0.39 | 71 |
IV.RIBO.EHZ.01 | 2020-12-10T02:19:55.61 | 0.3 | undecidable | manual | P | 188 | 22.4553 | 115 | 0.19 | 73 |
IV.TRIF.CHZ. | 2020-12-10T02:19:54.43 | 0.1 | negative | manual | P | 256 | 15.3735 | 124 | 0.26 | 97 |
IV.FROS.CHZ. | 2020-12-10T02:19:54.92 | 0.3 | undecidable | manual | S | 40 | 8.7801 | 140 | -0.24 | 74 |
IV.FROS.CHZ. | 2020-12-10T02:19:53.34 | 0.1 | negative | manual | P | 40 | 8.7801 | 140 | 0.16 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.FROS.CHN. | ML:1.8 | 0.0008315 | 1.8 | AML | other | m | 2020-12-10T02:19:54.98 |
IV.FROS.CHE. | ML:1.5 | 0.00045900000000000004 | 0.7 | AML | other | m | 2020-12-10T02:19:54.99 |
IV.TRIF.CHE. | ML:1.8 | 0.0006365 | 0.12 | AML | other | m | 2020-12-10T02:19:56.64 |
IV.TRIF.CHN. | ML:1.8 | 0.0005695 | 0.1 | AML | other | m | 2020-12-10T02:19:56.87 |
IV.RIBO.EHE.01 | ML:1.6 | 0.00026300865 | 0.12 | AML | other | m | 2020-12-10T02:19:58.92 |
IV.CASP.HHE. | ML:1.4 | 0.0000738 | 0.26 | AML | other | m | 2020-12-10T02:20:04.68 |
IV.CASP.HHN. | ML:1.4 | 0.00008515000000000001 | 0.24 | AML | other | m | 2020-12-10T02:20:04.87 |