A magnitude ML 1.3 earthquake occured in region: 1 km E Montieri (GR), on
and geographic coordinates (lat, lon) 43.1280, 11.0310 at 9 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 | 1 | 1204 | 1204 |
Chiusdino | SI | 6 | 1903 | 3107 |
Monticiano | SI | 12 | 1571 | 4678 |
Castelnuovo di Val di Cecina | PI | 14 | 2231 | 6909 |
Monterotondo Marittimo | GR | 14 | 1371 | 8280 |
Massa Marittima | GR | 14 | 8375 | 16655 |
Radicondoli | SI | 15 | 914 | 17569 |
Roccastrada | GR | 17 | 9199 | 26768 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.3 | 2021-09-10 09:40:08 |
43.1278 | 11.0313 | 9 | 2021-09-10 09:45:20 |
Sala Sismica INGV-Roma | 95262771 |
Field | Value |
---|---|
Time (UTC) | 2021-09-10 09:40:08 ± 0.11 |
Latitude | 43.1278 ± 0.0072 |
Longitude | 11.0313 ± 0.0086 |
Depth (km) | 9 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 95262771 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 893 |
Semi-minor axis of confidence ellipse (meter) | 547 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 323 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 890.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 146 |
Number of associated phases, regardless of their use for origin computation | 12 |
Number of defining phases | 11 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.21 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.56657 |
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 | 1.3 |
Uncertainty | 0.3 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 95262771 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-09-10 09:45:20 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ARCI.HHZ. | 2021-09-10T09:40:23.49 | 0.6 | undecidable | manual | S | 130 | 47.3193 | 50 | -0.11 | 46 |
IV.SF04.EHZ. | 2021-09-10T09:40:22.54 | 3.0 | undecidable | manual | P | 0 | ||||
IV.CASP.HHZ. | 2021-09-10T09:40:21.04 | 0.6 | undecidable | manual | S | 200 | 39.7269 | 50 | -0.55 | 42 |
TV.SF14.HHZ. | 2021-09-10T09:40:19.66 | 0.1 | undecidable | manual | P | 131 | 62.8926 | 50 | 0.21 | 88 |
IV.ARCI.HHZ. | 2021-09-10T09:40:17.14 | 0.6 | negative | manual | P | 130 | 47.3193 | 50 | 0.1 | 46 |
IV.CASP.HHZ. | 2021-09-10T09:40:16.02 | 0.6 | undecidable | manual | P | 200 | 39.7269 | 50 | 0.14 | 47 |
IV.RIBO.EHZ.01 | 2021-09-10T09:40:15.65 | 0.6 | undecidable | manual | S | 176 | 19.869 | 115 | -0.05 | 49 |
IV.FROS.CHZ. | 2021-09-10T09:40:13.45 | 0.6 | undecidable | manual | S | 48 | 13.5753 | 124 | -0.33 | 47 |
IV.RIBO.EHZ.01 | 2021-09-10T09:40:12.78 | 1.0 | undecidable | manual | P | 176 | 19.869 | 115 | 0.3 | 23 |
IV.TRIF.CHZ. | 2021-09-10T09:40:12.73 | 0.6 | undecidable | manual | S | 262 | 10.4784 | 131 | -0.21 | 48 |
IV.FROS.CHZ. | 2021-09-10T09:40:11.39 | 0.1 | positive | manual | P | 48 | 13.5753 | 124 | 0.01 | 100 |
IV.TRIF.CHZ. | 2021-09-10T09:40:11.09 | 0.1 | negative | manual | P | 262 | 10.4784 | 131 | 0.2 | 97 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.TRIF.CHN. | ML:1.6 | 0.0005480000000000001 | 0.18 | AML | other | m | 2021-09-10T09:40:12.86 |
IV.TRIF.CHE. | ML:1.5 | 0.0004305 | 1.74 | AML | other | m | 2021-09-10T09:40:13.00 |
IV.FROS.CHN. | ML:1.4 | 0.000285 | 0.16 | AML | other | m | 2021-09-10T09:40:13.49 |
IV.FROS.CHE. | ML:1.3 | 0.000222 | 1.04 | AML | other | m | 2021-09-10T09:40:14.57 |
IV.CASP.HHE. | ML:1.2 | 0.00005875 | 0.72 | AML | other | m | 2021-09-10T09:40:21.44 |
IV.CASP.HHN. | ML:1.4 | 0.00007755 | 0.36 | AML | other | m | 2021-09-10T09:40:21.14 |
IV.ARCI.HHN. | ML:0.7 | 0.00001449822 | 0.1152 | AML | other | m | 2021-09-10T09:40:23.67 |
IV.ARCI.HHE. | ML:0.7 | 0.000012755558 | 0.8576 | AML | other | m | 2021-09-10T09:40:29.38 |