A magnitude ML 1.8 earthquake occured in region: 3 km E Montieri (GR), on
and geographic coordinates (lat, lon) 43.1300, 11.0510 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 | 3 | 1204 | 1204 |
Chiusdino | SI | 4 | 1903 | 3107 |
Monticiano | SI | 11 | 1571 | 4678 |
Castelnuovo di Val di Cecina | PI | 15 | 2231 | 6909 |
Radicondoli | SI | 15 | 914 | 7823 |
Massa Marittima | GR | 16 | 8375 | 16198 |
Monterotondo Marittimo | GR | 16 | 1371 | 17569 |
Roccastrada | GR | 16 | 9199 | 26768 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.8 | 2023-08-24 21:50:32 |
43.1303 | 11.0513 | 9 | 2023-08-24 21:59:52 |
Sala Sismica INGV-Roma | 120446811 |
Field | Value |
---|---|
Time (UTC) | 2023-08-24 21:50:32 ± 0.1 |
Latitude | 43.1303 ± 0.0054 |
Longitude | 11.0513 ± 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 | 120446811 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 700 |
Semi-minor axis of confidence ellipse (meter) | 334 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 291 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 700.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 69 |
Number of associated phases, regardless of their use for origin computation | 25 |
Number of defining phases | 23 |
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) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 1.22128 |
Number of stations at which the event was observed | 15 |
Number of stations from which data was used for origin computation | 13 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.3 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 120446811 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-08-24 21:59:52 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.PII.HHZ. | 2023-08-24T21:50:55.46 | 0.3 | undecidable | manual | S | 327 | 78.1662 | 50 | -0.37 | 63 |
IV.ZCCA.HHZ. | 2023-08-24T21:50:55.07 | 0.6 | undecidable | manual | P | 357 | 135.5643 | 50 | 0.42 | 37 |
IV.CPGN.EHZ. | 2023-08-24T21:50:53.49 | 3.0 | undecidable | manual | P | -0.09 | 0 | |||
GU.POPM.HHZ. | 2023-08-24T21:50:50.61 | 1.0 | positive | manual | P | 347 | 104.2179 | 50 | 0.79 | 17 |
GU.MAIM.HHZ. | 2023-08-24T21:50:49.35 | 0.1 | undecidable | manual | P | 333 | 97.8243 | 50 | 0.51 | 78 |
IV.OSSC.HHZ. | 2023-08-24T21:50:46.92 | 0.6 | undecidable | manual | S | 20 | 46.3203 | 50 | -0.43 | 44 |
IV.PII.HHZ. | 2023-08-24T21:50:46.20 | 0.6 | positive | manual | P | 327 | 78.1662 | 50 | 0.4 | 42 |
IV.CSNT.HHZ. | 2023-08-24T21:50:45.65 | 0.6 | undecidable | manual | S | 27 | 42.624 | 50 | -0.7 | 40 |
IV.CASP.HHZ. | 2023-08-24T21:50:45.20 | 0.3 | undecidable | manual | S | 202 | 40.626 | 50 | -0.61 | 63 |
IV.MALA5.EHE. | 2023-08-24T21:50:44.40 | 0.6 | undecidable | manual | S | 111 | 37.2294 | 50 | -0.5 | 44 |
IV.MALA2.EHE. | 2023-08-24T21:50:44.44 | 0.6 | undecidable | manual | S | 112 | 37.3293 | 50 | -0.5 | 44 |
IV.OSSC.HHZ. | 2023-08-24T21:50:41.02 | 0.1 | undecidable | manual | P | 20 | 46.3203 | 50 | 0.12 | 94 |
IV.ARCI.HHZ. | 2023-08-24T21:50:41.26 | 3.0 | undecidable | manual | P | 0.07 | 0 | |||
IV.LOCA.HHE. | 2023-08-24T21:50:41.00 | 0.3 | undecidable | manual | S | 41 | 25.9518 | 110 | -0.66 | 63 |
IV.CASP.HHZ. | 2023-08-24T21:50:40.21 | 0.6 | undecidable | manual | P | 202 | 40.626 | 50 | 0.19 | 47 |
IV.CSNT.HHZ. | 2023-08-24T21:50:40.40 | 0.3 | positive | manual | P | 27 | 42.624 | 50 | 0.06 | 71 |
IV.MALA5.EHE. | 2023-08-24T21:50:40.03 | 0.1 | undecidable | manual | P | 111 | 37.2294 | 50 | 0.54 | 87 |
IV.RIBO.EHZ. | 2023-08-24T21:50:39.44 | 0.6 | undecidable | manual | S | 181 | 20.1687 | 115 | -0.36 | 47 |
IV.MALA2.EHE. | 2023-08-24T21:50:39.81 | 0.1 | undecidable | manual | P | 112 | 37.3293 | 50 | 0.29 | 92 |
IV.LOCA.HHE. | 2023-08-24T21:50:37.69 | 0.1 | undecidable | manual | P | 41 | 25.9518 | 110 | 0.06 | 98 |
IV.FROS.CHZ. | 2023-08-24T21:50:37.24 | 0.6 | undecidable | manual | S | 44 | 12.1767 | 127 | -0.18 | 49 |
IV.RIBO.EHZ. | 2023-08-24T21:50:36.83 | 0.1 | undecidable | manual | P | 181 | 20.1687 | 115 | 0.28 | 95 |
IV.TRIF.CHZ. | 2023-08-24T21:50:36.82 | 0.3 | undecidable | manual | S | 262 | 12.1767 | 127 | -0.59 | 66 |
IV.TRIF.CHZ. | 2023-08-24T21:50:35.26 | 0.1 | positive | manual | P | 262 | 12.1767 | 127 | 0.09 | 100 |
IV.FROS.CHZ. | 2023-08-24T21:50:35.48 | 0.1 | negative | manual | P | 44 | 12.1767 | 127 | 0.3 | 96 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.TRIF.CHN. | ML:1.9 | 0.0009415 | 1.34 | AML | other | m | 2023-08-24T21:50:37.22 |
IV.FROS.CHE. | ML:2.0 | 0.0011239999999999998 | 0.64 | AML | other | m | 2023-08-24T21:50:37.35 |
IV.TRIF.CHE. | ML:2.0 | 0.0010765 | 0.48 | AML | other | m | 2023-08-24T21:50:37.61 |
IV.FROS.CHN. | ML:2.1 | 0.0016099999999999999 | 0.6 | AML | other | m | 2023-08-24T21:50:37.58 |
IV.RIBO.EHN.01 | ML:1.8 | 0.0005185 | 0.14 | AML | other | m | 2023-08-24T21:50:40.07 |
IV.RIBO.EHE.01 | ML:1.7 | 0.00039949999999999995 | 1.56 | AML | other | m | 2023-08-24T21:50:40.96 |
IV.CASP.HHE. | ML:1.6 | 0.0001365 | 0.3 | AML | other | m | 2023-08-24T21:50:45.33 |
IV.CASP.HHN. | ML:1.6 | 0.00013350000000000002 | 0.36 | AML | other | m | 2023-08-24T21:50:45.40 |
IV.CSNT.HHN. | ML:1.3 | 0.00005935 | 1.66 | AML | other | m | 2023-08-24T21:50:46.84 |
IV.CSNT.HHE. | ML:1.2 | 0.00004995 | 0.8 | AML | other | m | 2023-08-24T21:50:46.07 |