A magnitude ML 1.3 earthquake occured in region: 3 km NW Montieri (GR), on
and geographic coordinates (lat, lon) 43.1590, 11.0030 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 | 3 | 1204 | 1204 |
Chiusdino | SI | 7 | 1903 | 3107 |
Castelnuovo di Val di Cecina | PI | 10 | 2231 | 5338 |
Radicondoli | SI | 12 | 914 | 6252 |
Monterotondo Marittimo | GR | 12 | 1371 | 7623 |
Monticiano | SI | 15 | 1571 | 9194 |
Massa Marittima | GR | 15 | 8375 | 17569 |
Pomarance | PI | 19 | 5897 | 23466 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.3 | 2024-04-18 21:45:14 |
43.1588 | 11.0033 | 10 | 2024-04-18 21:54:16 |
Sala Sismica INGV-Roma | 126872201 |
Field | Value |
---|---|
Time (UTC) | 2024-04-18 21:45:14 ± 0.33 |
Latitude | 43.1588 ± 0.0054 |
Longitude | 11.0033 ± 0.0160 |
Depth (km) | 10 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 126872201 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1073 |
Semi-minor axis of confidence ellipse (meter) | 1036 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 254 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1070.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 174 |
Number of associated phases, regardless of their use for origin computation | 9 |
Number of defining phases | 6 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.53 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.23922 |
Number of stations at which the event was observed | 6 |
Number of stations from which data was used for origin computation | 3 |
Field | Value |
---|---|
Value | 1.3 |
Uncertainty | 0.4 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 126872201 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2024-04-18 21:54:16 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.FIAM.HHZ. | 2024-04-18T21:46:07.78 | 3.0 | undecidable | manual | Sn | 0.05 | 0 | |||
IV.MOCL.EHZ. | 2024-04-18T21:45:46.56 | 3.0 | undecidable | manual | S | -0.26 | 0 | |||
IV.MPPT.EHZ. | 2024-04-18T21:45:45.69 | 3.0 | undecidable | manual | S | 0.58 | 0 | |||
IV.LOCA.HHZ. | 2024-04-18T21:45:23.30 | 0.6 | undecidable | manual | S | 52 | 26.5512 | 50 | -0.63 | 43 |
IV.FROS.CHZ. | 2024-04-18T21:45:19.80 | 0.1 | undecidable | manual | S | 65 | 13.5753 | 126 | -0.19 | 99 |
IV.LOCA.HHZ. | 2024-04-18T21:45:19.98 | 0.1 | undecidable | manual | P | 52 | 26.5512 | 50 | 0.19 | 97 |
IV.TRIF.CHZ. | 2024-04-18T21:45:18.30 | 0.6 | undecidable | manual | S | 239 | 9.4794 | 136 | -0.62 | 45 |
IV.TRIF.CHZ. | 2024-04-18T21:45:17.09 | 0.1 | undecidable | manual | P | 239 | 9.4794 | 136 | 0.2 | 100 |
IV.FROS.CHZ. | 2024-04-18T21:45:17.89 | 0.1 | undecidable | manual | P | 65 | 13.5753 | 126 | 0.38 | 96 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.TRIF.CHE. | ML:0.0 | 0.0008485000000000001 | 0.08 | AML | other | m | 2024-04-18T21:45:18.72 |
IV.TRIF.CHN. | ML:0.0 | 0.001285 | 0.44 | AML | other | m | 2024-04-18T21:45:18.72 |
IV.FROS.CHE. | ML:1.0 | 0.000096736985 | 0.136 | AML | other | m | 2024-04-18T21:45:20.05 |
IV.FROS.CHN. | ML:1.1 | 0.00013525075 | 0.144 | AML | other | m | 2024-04-18T21:45:21.13 |
IV.LOCA.HHE. | ML:1.3 | 0.0001066724 | 0.16 | AML | other | m | 2024-04-18T21:45:23.65 |
IV.LOCA.HHN. | ML:1.3 | 0.00010065894000000001 | 0.18 | AML | other | m | 2024-04-18T21:45:23.86 |