A magnitude ML 1.3 earthquake occured in region: 7 km S Montieri (GR), on
and geographic coordinates (lat, lon) 43.0710, 11.0160 at 11 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 | 7 | 1204 | 1204 |
Massa Marittima | GR | 11 | 8375 | 9579 |
Chiusdino | SI | 11 | 1903 | 11482 |
Roccastrada | GR | 14 | 9199 | 20681 |
Monterotondo Marittimo | GR | 15 | 1371 | 22052 |
Monticiano | SI | 16 | 1571 | 23623 |
Castelnuovo di Val di Cecina | PI | 18 | 2231 | 25854 |
Gavorrano | GR | 18 | 8580 | 34434 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.3 | 2021-09-19 04:07:23 |
43.071 | 11.0157 | 11 | 2021-09-19 04:18:46 |
Sala Sismica INGV-Roma | 95612931 |
Field | Value |
---|---|
Time (UTC) | 2021-09-19 04:07:23 ± 0.16 |
Latitude | 43.0710 ± 0.0090 |
Longitude | 11.0157 ± 0.0135 |
Depth (km) | 11 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 95612931 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1024 |
Semi-minor axis of confidence ellipse (meter) | 1009 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 31 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1020.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 98 |
Number of associated phases, regardless of their use for origin computation | 10 |
Number of defining phases | 9 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.36 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.40110 |
Number of stations at which the event was observed | 6 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 1.3 |
Uncertainty | 0.3 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 95612931 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-09-19 04:18:46 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CELB.HHZ. | 2021-09-19T04:07:38.07 | 3.0 | negative | manual | P | 0.08 | 0 | |||
IV.ARCI.HHZ. | 2021-09-19T04:07:37.40 | 0.3 | undecidable | manual | S | 123 | 44.5221 | 50 | -0.6 | 62 |
IV.CASP.HHZ. | 2021-09-19T04:07:34.83 | 0.1 | undecidable | manual | S | 202 | 33.4443 | 50 | -0.19 | 94 |
IV.ARCI.HHZ. | 2021-09-19T04:07:32.22 | 0.1 | undecidable | manual | P | 123 | 44.5221 | 50 | 0.32 | 89 |
IV.CASP.HHZ. | 2021-09-19T04:07:30.63 | 0.3 | undecidable | manual | P | 202 | 33.4443 | 50 | 0.45 | 66 |
IV.RIBO.EHZ.01 | 2021-09-19T04:07:29.57 | 0.1 | undecidable | manual | S | 170 | 13.7751 | 128 | -0.04 | 100 |
IV.TRIF.CHZ. | 2021-09-19T04:07:28.37 | 0.1 | undecidable | manual | S | 298 | 10.3785 | 136 | -0.36 | 94 |
IV.RIBO.EHZ.01 | 2021-09-19T04:07:27.28 | 0.6 | undecidable | manual | P | 170 | 13.7751 | 128 | 0.23 | 48 |
IV.FROS.CHZ. | 2021-09-19T04:07:27.95 | 0.1 | undecidable | manual | P | 36 | 19.1697 | 119 | 0 | 100 |
IV.TRIF.CHZ. | 2021-09-19T04:07:26.78 | 0.1 | undecidable | manual | P | 298 | 10.3785 | 136 | 0.23 | 97 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.TRIF.CHE. | ML:1.6 | 0.000545 | 0.22 | AML | other | m | 2021-09-19T04:07:28.58 |
IV.TRIF.CHN. | ML:1.4 | 0.00032950000000000004 | 0.1 | AML | other | m | 2021-09-19T04:07:29.47 |
IV.CASP.HHE. | ML:1.1 | 0.000048799999999999994 | 0.34 | AML | other | m | 2021-09-19T04:07:35.02 |
IV.CASP.HHN. | ML:1.0 | 0.00004265 | 0.18 | AML | other | m | 2021-09-19T04:07:35.24 |