A magnitude ML 1.4 earthquake occured in region: 1 km E Montieri (GR), on
and geographic coordinates (lat, lon) 43.1300, 11.0280 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 | 1 | 1204 | 1204 |
Chiusdino | SI | 6 | 1903 | 3107 |
Monticiano | SI | 13 | 1571 | 4678 |
Castelnuovo di Val di Cecina | PI | 13 | 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 1.4 | 2023-09-16 16:12:57 |
43.1302 | 11.0278 | 10 | 2023-09-16 16:17:02 |
Sala Sismica INGV-Roma | 121110461 |
Field | Value |
---|---|
Time (UTC) | 2023-09-16 16:12:57 ± 0.15 |
Latitude | 43.1302 ± 0.0090 |
Longitude | 11.0278 ± 0.0136 |
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 | 121110461 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1270 |
Semi-minor axis of confidence ellipse (meter) | 478 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 305 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1270.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 143 |
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) | 0.33 |
Epicentral distance of station closest to the epicenter (degree) | 0.09263 |
Epicentral distance of station farthest from the epicenter (degree) | 0.42898 |
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 | 1.4 |
Uncertainty | 0.2 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 121110461 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-09-16 16:17:02 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ARCI.HHZ. | 2023-09-16T16:13:12.32 | 0.6 | undecidable | manual | S | 130 | 47.619 | 50 | -0.37 | 45 |
IV.CASP.HHZ. | 2023-09-16T16:13:10.37 | 0.6 | undecidable | manual | S | 199 | 39.9267 | 50 | -0.25 | 47 |
IV.LOCA.HHN. | 2023-09-16T16:13:06.76 | 0.6 | undecidable | manual | S | 44 | 27.2505 | 50 | -0.48 | 45 |
IV.ARCI.HHZ. | 2023-09-16T16:13:06.97 | 1.0 | undecidable | manual | P | 130 | 47.619 | 50 | 0.79 | 19 |
IV.CASP.HHZ. | 2023-09-16T16:13:05.44 | 1.0 | undecidable | manual | P | 199 | 39.9267 | 50 | 0.46 | 22 |
IV.RIBO.EHZ. | 2023-09-16T16:13:04.92 | 0.6 | undecidable | manual | S | 176 | 20.1687 | 117 | -0.18 | 49 |
IV.LOCA.HHN. | 2023-09-16T16:13:03.22 | 0.1 | undecidable | manual | P | 44 | 27.2505 | 50 | 0.19 | 97 |
IV.RIBO.EHZ. | 2023-09-16T16:13:02.16 | 0.6 | undecidable | manual | P | 176 | 20.1687 | 117 | 0.36 | 47 |
IV.FROS.CHZ. | 2023-09-16T16:13:02.77 | 0.3 | undecidable | manual | S | 50 | 13.6752 | 126 | -0.4 | 71 |
IV.FROS.CHZ. | 2023-09-16T16:13:01.09 | 0.1 | negative | manual | P | 50 | 13.6752 | 126 | 0.41 | 94 |
IV.TRIF.CHZ. | 2023-09-16T16:13:01.67 | 0.6 | undecidable | manual | S | 261 | 10.2786 | 134 | -0.61 | 45 |
IV.TRIF.CHZ. | 2023-09-16T16:13:00.33 | 0.1 | positive | manual | P | 261 | 10.2786 | 134 | 0.16 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.TRIF.CHE. | ML:1.5 | 0.0004215 | 0.14 | AML | other | m | 2023-09-16T16:13:02.22 |
IV.TRIF.CHN. | ML:1.5 | 0.0004290000000000001 | 1.34 | AML | other | m | 2023-09-16T16:13:02.90 |
IV.FROS.CHE. | ML:1.1 | 0.000135 | 0.94 | AML | other | m | 2023-09-16T16:13:03.38 |
IV.FROS.CHN. | ML:1.3 | 0.000201 | 1.04 | AML | other | m | 2023-09-16T16:13:03.31 |