A magnitude ML 1.5 earthquake occured in region: 1 km NE Montieri (GR), on
and geographic coordinates (lat, lon) 43.1380, 11.0310 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 |
---|---|---|---|---|
Montieri | GR | 1 | 1204 | 1204 |
Chiusdino | SI | 5 | 1903 | 3107 |
Monticiano | SI | 12 | 1571 | 4678 |
Castelnuovo di Val di Cecina | PI | 13 | 2231 | 6909 |
Radicondoli | SI | 14 | 914 | 7823 |
Monterotondo Marittimo | GR | 14 | 1371 | 9194 |
Massa Marittima | GR | 15 | 8375 | 17569 |
Roccastrada | GR | 18 | 9199 | 26768 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.5 | 2020-12-07 04:42:05 |
43.1383 | 11.031 | 10 | 2021-02-26 14:56:14 |
Bollettino Sismico Italiano INGV | 86167451 |
Field | Value |
---|---|
Time (UTC) | 2020-12-07 04:42:05 ± 0.13 |
Latitude | 43.1383 ± 0.0081 |
Longitude | 11.0310 ± 0.0123 |
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 | 86167451 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1091 |
Semi-minor axis of confidence ellipse (meter) | 558 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 128 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1090.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 125 |
Number of associated phases, regardless of their use for origin computation | 13 |
Number of defining phases | 12 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.37 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.38401 |
Number of stations at which the event was observed | 7 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | 0.1 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 86167451 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-01-28 10:21:32 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.SARZ.HHZ. | 2020-12-07T04:42:44.08 | 3.0 | undecidable | manual | P | 0.2 | 0 | |||
IV.CSNT.HHZ. | 2020-12-07T04:42:19.01 | 0.3 | undecidable | manual | S | 29 | 42.624 | 50 | -0.32 | 70 |
IV.CASP.HHZ. | 2020-12-07T04:42:18.55 | 0.3 | undecidable | manual | S | 199 | 40.8258 | 50 | -0.3 | 70 |
IV.MAGO.CHZ. | 2020-12-07T04:42:16.44 | 0.3 | undecidable | manual | S | 297 | 33.6441 | 50 | -0.5 | 68 |
IV.CASP.HHZ. | 2020-12-07T04:42:13.65 | 0.3 | undecidable | manual | P | 199 | 40.8258 | 50 | 0.51 | 67 |
IV.CSNT.HHZ. | 2020-12-07T04:42:13.79 | 0.3 | undecidable | manual | P | 29 | 42.624 | 50 | 0.37 | 69 |
IV.RIBO.EHZ.01 | 2020-12-07T04:42:12.84 | 0.6 | undecidable | manual | S | 177 | 21.0678 | 116 | -0.63 | 44 |
IV.MAGO.CHZ. | 2020-12-07T04:42:12.38 | 0.3 | undecidable | manual | P | 297 | 33.6441 | 50 | 0.35 | 70 |
IV.FROS.CHZ. | 2020-12-07T04:42:10.68 | 0.3 | undecidable | manual | S | 52 | 12.876 | 129 | -0.38 | 72 |
IV.TRIF.CHZ. | 2020-12-07T04:42:10.25 | 0.3 | undecidable | manual | S | 256 | 10.6782 | 134 | -0.25 | 75 |
IV.RIBO.EHZ.01 | 2020-12-07T04:42:10.20 | 0.3 | undecidable | manual | P | 177 | 21.0678 | 116 | 0.17 | 75 |
IV.TRIF.CHZ. | 2020-12-07T04:42:08.67 | 0.1 | undecidable | manual | P | 256 | 10.6782 | 134 | 0.35 | 97 |
IV.FROS.CHZ. | 2020-12-07T04:42:08.85 | 0.1 | negative | manual | P | 52 | 12.876 | 129 | 0.21 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.TRIF.CHE. | ML:1.4 | 0.0003115 | 0.08 | AML | other | m | 2020-12-07T04:42:10.41 |
IV.FROS.CHE. | ML:1.5 | 0.00034050000000000004 | 1.38 | AML | other | m | 2020-12-07T04:42:10.73 |
IV.TRIF.CHN. | ML:1.3 | 0.00025842149999999995 | 0.2144 | AML | other | m | 2020-12-07T04:42:11.02 |
IV.FROS.CHN. | ML:1.7 | 0.0005225 | 1.84 | AML | other | m | 2020-12-07T04:42:11.95 |
IV.CASP.HHE. | ML:1.4 | 0.0000924 | 0.2 | AML | other | m | 2020-12-07T04:42:18.75 |
IV.CASP.HHN. | ML:1.6 | 0.00011999999999999999 | 1.34 | AML | other | m | 2020-12-07T04:42:19.08 |