A magnitude ML 1.0 earthquake occured in region: 6 km S Montieri (GR), on
and geographic coordinates (lat, lon) 43.0760, 11.0290 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 | 6 | 1204 | 1204 |
Chiusdino | SI | 10 | 1903 | 3107 |
Massa Marittima | GR | 12 | 8375 | 11482 |
Roccastrada | GR | 13 | 9199 | 20681 |
Monticiano | SI | 14 | 1571 | 22252 |
Monterotondo Marittimo | GR | 16 | 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 1.0 | 2021-09-19 06:11:23 |
43.076 | 11.0292 | 10 | 2021-09-19 06:20:47 |
Sala Sismica INGV-Roma | 95621971 |
Field | Value |
---|---|
Time (UTC) | 2021-09-19 06:11:23 ± 0.12 |
Latitude | 43.0760 ± 0.0072 |
Longitude | 11.0292 ± 0.0111 |
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 | 95621971 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 807 |
Semi-minor axis of confidence ellipse (meter) | 777 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 53 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 810.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 90 |
Number of associated phases, regardless of their use for origin computation | 11 |
Number of defining phases | 11 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.35 |
Epicentral distance of station closest to the epicenter (degree) | 0.09982 |
Epicentral distance of station farthest from the epicenter (degree) | 0.39570 |
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 | 1.0 |
Uncertainty | 0.3 |
Num. used stations | 13 |
Type of magnitude | ML |
Reference to an origin | 95621971 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-09-19 06:20:47 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ARCI.HHZ. | 2021-09-19T06:11:37.77 | 0.3 | undecidable | manual | S | 124 | 43.9227 | 50 | -0.48 | 67 |
IV.CASP.HHZ. | 2021-09-19T06:11:35.23 | 0.3 | undecidable | manual | S | 203 | 34.3434 | 50 | -0.45 | 68 |
IV.ARCI.HHZ. | 2021-09-19T06:11:32.50 | 0.1 | undecidable | manual | P | 124 | 43.9227 | 50 | 0.34 | 92 |
IV.MAGO.CHZ. | 2021-09-19T06:11:31.26 | 0.1 | undecidable | manual | P | 306 | 37.1295 | 50 | 0.14 | 97 |
IV.CASP.HHZ. | 2021-09-19T06:11:30.86 | 0.1 | undecidable | manual | P | 203 | 34.3434 | 50 | 0.17 | 97 |
IV.FROS.CHZ. | 2021-09-19T06:11:30.63 | 0.3 | undecidable | manual | S | 35 | 18.0708 | 119 | -0.41 | 71 |
IV.RIBO.EHZ.01 | 2021-09-19T06:11:29.80 | 0.3 | undecidable | manual | S | 174 | 14.1747 | 126 | -0.1 | 76 |
IV.FROS.CHZ. | 2021-09-19T06:11:28.23 | 0.1 | undecidable | manual | P | 35 | 18.0708 | 119 | 0.23 | 98 |
IV.TRIF.CHZ. | 2021-09-19T06:11:28.60 | 0.3 | undecidable | manual | S | 293 | 11.0778 | 132 | -0.48 | 71 |
IV.TRIF.CHZ. | 2021-09-19T06:11:27.08 | 0.1 | negative | manual | P | 293 | 11.0778 | 132 | 0.21 | 100 |
IV.RIBO.EHZ.01 | 2021-09-19T06:11:27.63 | 0.1 | undecidable | manual | P | 174 | 14.1747 | 126 | 0.28 | 98 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.TRIF.CHN. | ML:1.1 | 0.0001575 | 0.28 | AML | other | m | 2021-09-19T06:11:28.75 |
IV.TRIF.CHE. | ML:1.1 | 0.00015349675000000002 | 0.08 | AML | other | m | 2021-09-19T06:11:28.93 |
IV.FROS.CHN. | ML:1.0 | 0.000085884325 | 0.1984 | AML | other | m | 2021-09-19T06:11:30.98 |
IV.FROS.CHE. | ML:1.0 | 0.0000761 | 0.7 | AML | other | m | 2021-09-19T06:11:31.98 |
IV.RIBO.EHE.01 | ML:1.2 | 0.0001689946 | 0.1792 | AML | other | m | 2021-09-19T06:11:29.97 |
IV.CASP.HHN. | ML:0.4 | 0.00001178536 | 0.08 | AML | other | m | 2021-09-19T06:11:35.56 |
IV.CASP.HNE. | ML:1.4 | 0.00009328989999999999 | 0.6208 | AML | other | m | 2021-09-19T06:11:44.83 |
IV.CASP.HNN. | ML:1.5 | 0.000125691615 | 0.8224 | AML | other | m | 2021-09-19T06:11:33.19 |
IV.CASP.HHE. | ML:0.4 | 0.0000120994135 | 0.0576 | AML | other | m | 2021-09-19T06:11:35.49 |
IV.ARCI.HHN. | ML:0.5 | 0.000008672681 | 0.08 | AML | other | m | 2021-09-19T06:11:38.18 |
IV.ARCI.HNE. | ML:1.1 | 0.00004042684 | 0.7712 | AML | other | m | 2021-09-19T06:11:34.82 |
IV.ARCI.HNN. | ML:1.0 | 0.000030458820000000002 | 0.9504 | AML | other | m | 2021-09-19T06:11:35.42 |
IV.ARCI.HHE. | ML:0.5 | 0.000011864980000000001 | 1.4976 | AML | other | m | 2021-09-19T06:11:44.23 |