A magnitude ML 1.3 earthquake occured in region: 7 km S Montieri (GR), on
and geographic coordinates (lat, lon) 43.0710, 11.0330 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 | 7 | 1204 | 1204 |
Chiusdino | SI | 11 | 1903 | 3107 |
Massa Marittima | GR | 12 | 8375 | 11482 |
Roccastrada | GR | 13 | 9199 | 20681 |
Monticiano | SI | 14 | 1571 | 22252 |
Monterotondo Marittimo | GR | 17 | 1371 | 23623 |
Castelnuovo di Val di Cecina | PI | 18 | 2231 | 25854 |
Gavorrano | GR | 19 | 8580 | 34434 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.3 | 2021-09-18 05:38:19 |
43.0713 | 11.0332 | 10 | 2021-09-18 05:43:47 |
Sala Sismica INGV-Roma | 95572751 |
Field | Value |
---|---|
Time (UTC) | 2021-09-18 05:38:19 ± 0.19 |
Latitude | 43.0713 ± 0.0126 |
Longitude | 11.0332 ± 0.0148 |
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 | 95572751 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1260 |
Semi-minor axis of confidence ellipse (meter) | 1174 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 359 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1260.0 |
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 | 12 |
Number of defining phases | 11 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.45 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.68348 |
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 | 15 |
Type of magnitude | ML |
Reference to an origin | 95572751 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-09-18 05:43:47 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.APEC.HHZ. | 2021-09-18T05:38:58.72 | 3.0 | undecidable | manual | S | 0.12 | 0 | |||
IV.CELB.HHZ. | 2021-09-18T05:38:43.16 | 0.6 | undecidable | manual | S | 242 | 75.8685 | 50 | 0.22 | 43 |
IV.CELB.HHZ. | 2021-09-18T05:38:34.10 | 0.1 | undecidable | manual | P | 242 | 75.8685 | 50 | 0.9 | 68 |
IV.ARCI.HHZ. | 2021-09-18T05:38:33.67 | 0.3 | undecidable | manual | S | 124 | 43.4232 | 50 | -0.59 | 62 |
IV.CASP.HHZ. | 2021-09-18T05:38:31.07 | 0.3 | undecidable | manual | S | 204 | 33.9438 | 50 | -0.68 | 61 |
IV.ARCI.HHZ. | 2021-09-18T05:38:28.39 | 0.1 | undecidable | manual | P | 124 | 43.4232 | 50 | 0.21 | 91 |
IV.CASP.HHZ. | 2021-09-18T05:38:26.70 | 0.1 | undecidable | manual | P | 204 | 33.9438 | 50 | -0.04 | 96 |
IV.RIBO.EHZ.01 | 2021-09-18T05:38:25.74 | 0.6 | undecidable | manual | S | 175 | 13.5753 | 125 | 0.08 | 49 |
IV.FROS.CHZ. | 2021-09-18T05:38:24.10 | 0.1 | positive | manual | P | 33 | 18.2706 | 118 | 0.08 | 98 |
IV.TRIF.CHZ. | 2021-09-18T05:38:24.47 | 0.3 | undecidable | manual | S | 295 | 11.5773 | 130 | -0.64 | 64 |
IV.RIBO.EHZ.01 | 2021-09-18T05:38:23.48 | 0.1 | undecidable | manual | P | 175 | 13.5753 | 125 | 0.26 | 95 |
IV.TRIF.CHZ. | 2021-09-18T05:38:22.87 | 0.1 | negative | manual | P | 295 | 11.5773 | 130 | -0.03 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.TRIF.CHE. | ML:1.5 | 0.0003674965 | 0.0704 | AML | other | m | 2021-09-18T05:38:24.65 |
IV.TRIF.CHN. | ML:1.4 | 0.00031537975 | 0.1216 | AML | other | m | 2021-09-18T05:38:26.43 |
IV.CASP.HHN. | ML:1.2 | 0.00006922108 | 0.16 | AML | other | m | 2021-09-18T05:38:31.19 |
IV.CASP.HHE. | ML:1.2 | 0.0000747 | 0.24 | AML | other | m | 2021-09-18T05:38:31.37 |
IV.RIBO.EHE.01 | ML:1.6 | 0.000462185 | 0.2016 | AML | other | m | 2021-09-18T05:38:25.89 |
IV.FROS.CHN. | ML:1.1 | 0.00010219051500000001 | 0.2144 | AML | other | m | 2021-09-18T05:38:26.86 |
IV.FROS.CHE. | ML:1.0 | 0.00008928808499999999 | 0.256 | AML | other | m | 2021-09-18T05:38:27.63 |
IV.CASP.HNE. | ML:1.4 | 0.000107892265 | 0.5408 | AML | other | m | 2021-09-18T05:38:32.13 |
IV.CASP.HNN. | ML:1.6 | 0.00015362284999999998 | 0.9888 | AML | other | m | 2021-09-18T05:38:42.62 |
IV.ARCI.HHN. | ML:0.8 | 0.000020289362499999997 | 0.1408 | AML | other | m | 2021-09-18T05:38:33.80 |
IV.ARCI.HNE. | ML:1.1 | 0.00004240107 | 1.1712 | AML | other | m | 2021-09-18T05:38:44.97 |
IV.ARCI.HNN. | ML:1.1 | 0.0000424719255 | 1.5488 | AML | other | m | 2021-09-18T05:38:45.13 |
IV.ARCI.HHE. | ML:0.8 | 0.000019232616 | 0.1408 | AML | other | m | 2021-09-18T05:38:34.50 |
IV.CELB.HHN. | ML:1.6 | 0.00005413352 | 0.8192 | AML | other | m | 2021-09-18T05:38:38.48 |
IV.CELB.HHE. | ML:1.4 | 0.0000346838 | 0.8576 | AML | other | m | 2021-09-18T05:38:59.10 |