A magnitude ML 0.9 earthquake occured in region: 5 km NW Montieri (GR), on
and geographic coordinates (lat, lon) 43.1680, 10.9860 at 10 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 |
---|---|---|---|---|
Montieri | GR | 5 | 1204 | 1204 |
Castelnuovo di Val di Cecina | PI | 8 | 2231 | 3435 |
Chiusdino | SI | 8 | 1903 | 5338 |
Monterotondo Marittimo | GR | 11 | 1371 | 6709 |
Radicondoli | SI | 11 | 914 | 7623 |
Massa Marittima | GR | 15 | 8375 | 15998 |
Monticiano | SI | 16 | 1571 | 17569 |
Pomarance | PI | 17 | 5897 | 23466 |
Casole d'Elsa | SI | 20 | 3897 | 27363 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.9 | 2020-01-18 23:11:27 |
43.1682 | 10.9863 | 10 | 2020-01-18 23:17:25 |
Sala Sismica INGV-Roma | 75637371 |
Field | Value |
---|---|
Time (UTC) | 2020-01-18 23:11:27 ± 0.12 |
Latitude | 43.1682 ± 0.0072 |
Longitude | 10.9863 ± 0.0099 |
Depth (km) | 10 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 75637371 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 905 |
Semi-minor axis of confidence ellipse (meter) | 689 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 145 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 910.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 102 |
Number of associated phases, regardless of their use for origin computation | 12 |
Number of defining phases | 12 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.34 |
Epicentral distance of station closest to the epicenter (degree) | 0.08094 |
Epicentral distance of station farthest from the epicenter (degree) | 0.47754 |
Number of stations at which the event was observed | 6 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.2 |
Num. used stations | 5 |
Type of magnitude | ML |
Reference to an origin | 75637371 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-01-18 23:17:25 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ARCI.HNN. | 2020-01-18T23:11:44.26 | 0.6 | undecidable | manual | S | 131 | 53.0025 | 50 | -0.16 | 46 |
IV.CASP.HHZ. | 2020-01-18T23:11:41.42 | 0.1 | undecidable | manual | S | 193 | 43.0236 | 50 | -0.34 | 89 |
IV.CSNT.HHE. | 2020-01-18T23:11:40.96 | 0.3 | undecidable | manual | S | 36 | 41.8248 | 50 | -0.48 | 65 |
IV.ARCI.HNN. | 2020-01-18T23:11:37.61 | 0.1 | undecidable | manual | P | 131 | 53.0025 | 50 | 0.28 | 89 |
IV.MAGO.CHZ. | 2020-01-18T23:11:37.67 | 0.3 | undecidable | manual | S | 294 | 28.9488 | 50 | -0.35 | 68 |
IV.CASP.HHZ. | 2020-01-18T23:11:36.33 | 0.6 | undecidable | manual | P | 193 | 43.0236 | 50 | 0.53 | 43 |
IV.CSNT.HHE. | 2020-01-18T23:11:36.01 | 0.1 | undecidable | manual | P | 36 | 41.8248 | 50 | 0.4 | 88 |
IV.FROS.CHZ. | 2020-01-18T23:11:33.40 | 0.6 | undecidable | manual | S | 71 | 14.4744 | 125 | -0.42 | 46 |
IV.MAGO.CHZ. | 2020-01-18T23:11:33.93 | 0.1 | undecidable | manual | P | 294 | 28.9488 | 50 | 0.29 | 92 |
IV.TRIF.CHZ. | 2020-01-18T23:11:32.07 | 0.3 | undecidable | manual | S | 229 | 8.9799 | 139 | -0.32 | 71 |
IV.FROS.CHZ. | 2020-01-18T23:11:31.24 | 0.1 | negative | manual | P | 71 | 14.4744 | 125 | 0.03 | 100 |
IV.TRIF.CHZ. | 2020-01-18T23:11:30.59 | 0.1 | negative | manual | P | 229 | 8.9799 | 139 | 0.21 | 97 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.TRIF.CHE. | ML:1.1 | 0.000175 | 0.24 | AML | other | m | 2020-01-18T23:11:32.67 |
IV.TRIF.CHN. | ML:1.0 | 0.00013450000000000002 | 0.82 | AML | other | m | 2020-01-18T23:11:32.38 |
IV.FROS.CHE. | ML:0.5 | 0.00003076176 | 0.0896 | AML | other | m | 2020-01-18T23:11:33.68 |
IV.MAGO.CHE. | ML:1.0 | 0.000054905175 | 3.4176 | AML | other | m | 2020-01-18T23:11:38.64 |
IV.MAGO.CHN. | ML:0.8 | 0.000032382099999999996 | 0.576 | AML | other | m | 2020-01-18T23:11:40.87 |