A magnitude ML 0.9 earthquake occured in region: 3 km NW Montieri (GR), on
and geographic coordinates (lat, lon) 43.1590, 10.9960 at 6 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 | 4 | 1204 | 1204 |
Chiusdino | SI | 8 | 1903 | 3107 |
Castelnuovo di Val di Cecina | PI | 9 | 2231 | 5338 |
Monterotondo Marittimo | GR | 11 | 1371 | 6709 |
Radicondoli | SI | 12 | 914 | 7623 |
Massa Marittima | GR | 15 | 8375 | 15998 |
Monticiano | SI | 15 | 1571 | 17569 |
Pomarance | PI | 19 | 5897 | 23466 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 0.9 | 2020-11-19 15:01:50 |
43.1587 | 10.9962 | 6 | 2021-02-26 14:56:18 |
Bollettino Sismico Italiano INGV | 86991811 |
Field | Value |
---|---|
Time (UTC) | 2020-11-19 15:01:50 ± 0.17 |
Latitude | 43.1587 ± 0.0063 |
Longitude | 10.9962 ± 0.0074 |
Depth (km) | 6 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 86991811 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 689 |
Semi-minor axis of confidence ellipse (meter) | 503 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 142 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 690.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 189 |
Number of associated phases, regardless of their use for origin computation | 7 |
Number of defining phases | 7 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.19 |
Epicentral distance of station closest to the epicenter (degree) | 0.08094 |
Epicentral distance of station farthest from the epicenter (degree) | 0.38041 |
Number of stations at which the event was observed | 4 |
Number of stations from which data was used for origin computation | 4 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.1 |
Num. used stations | 5 |
Type of magnitude | ML |
Reference to an origin | 86991811 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-02-10 10:40:58 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CASP.HHZ. | 2020-11-19T15:01:58.82 | 0.6 | undecidable | manual | P | 195 | 42.2244 | 50 | -0.23 | 46 |
IV.RIBO.EHZ.01 | 2020-11-19T15:01:58.95 | 0.3 | undecidable | manual | S | 170 | 23.6541 | 105 | -0.06 | 74 |
IV.RIBO.EHZ.01 | 2020-11-19T15:01:55.59 | 0.1 | undecidable | manual | P | 170 | 23.6541 | 105 | 0.17 | 97 |
IV.FROS.CHZ. | 2020-11-19T15:01:55.75 | 0.3 | undecidable | manual | S | 66 | 14.1747 | 114 | -0.15 | 74 |
IV.TRIF.CHZ. | 2020-11-19T15:01:54.18 | 0.3 | undecidable | manual | S | 237 | 8.9799 | 125 | -0.17 | 74 |
IV.FROS.CHZ. | 2020-11-19T15:01:53.72 | 0.1 | undecidable | manual | P | 66 | 14.1747 | 114 | 0.09 | 100 |
IV.TRIF.CHZ. | 2020-11-19T15:01:52.87 | 0.1 | undecidable | manual | P | 237 | 8.9799 | 125 | 0.14 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.TRIF.CHE. | ML:1.0 | 0.00016529240000000002 | 0.064 | AML | other | m | 2020-11-19T15:01:54.48 |
IV.TRIF.CHN. | ML:1.0 | 0.00016043185 | 0.0768 | AML | other | m | 2020-11-19T15:01:54.87 |
IV.FROS.CHE. | ML:1.0 | 0.00011163059 | 0.1152 | AML | other | m | 2020-11-19T15:01:55.82 |
IV.FROS.CHN. | ML:0.8 | 0.00006576725 | 0.1024 | AML | other | m | 2020-11-19T15:01:56.35 |
IV.RIBO.EHE.01 | ML:0.9 | 0.00005060324500000001 | 0.2048 | AML | other | m | 2020-11-19T15:01:59.13 |