A magnitude ML 1.2 earthquake occured in region: 7 km NE Massa Marittima (GR), on
and geographic coordinates (lat, lon) 43.1040, 10.9240 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 |
---|---|---|---|---|
Massa Marittima | GR | 7 | 8375 | 8375 |
Monterotondo Marittimo | GR | 7 | 1371 | 9746 |
Montieri | GR | 8 | 1204 | 10950 |
Castelnuovo di Val di Cecina | PI | 12 | 2231 | 13181 |
Chiusdino | SI | 15 | 1903 | 15084 |
Monteverdi Marittimo | PI | 19 | 758 | 15842 |
Gavorrano | GR | 20 | 8580 | 24422 |
Radicondoli | SI | 20 | 914 | 25336 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.2 | 2024-03-18 01:56:06 |
43.1043 | 10.9242 | 9 | 2024-03-18 02:03:03 |
Sala Sismica INGV-Roma | 125954361 |
Field | Value |
---|---|
Time (UTC) | 2024-03-18 01:56:06 ± 0.21 |
Latitude | 43.1043 ± 0.0072 |
Longitude | 10.9242 ± 0.0172 |
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 | 125954361 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1370 |
Semi-minor axis of confidence ellipse (meter) | 764 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 269 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1370.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 154 |
Number of associated phases, regardless of their use for origin computation | 9 |
Number of defining phases | 9 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.28 |
Epicentral distance of station closest to the epicenter (degree) | 0.01889 |
Epicentral distance of station farthest from the epicenter (degree) | 0.47574 |
Number of stations at which the event was observed | 5 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.2 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 125954361 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2024-03-18 02:03:03 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.LOCA.HHZ. | 2024-03-18T01:56:18.49 | 0.3 | undecidable | manual | S | 51 | 35.3424 | 50 | -0.53 | 64 |
IV.ARCI.HHZ. | 2024-03-18T01:56:16.61 | 0.1 | undecidable | manual | P | 122 | 52.8027 | 50 | 0.15 | 90 |
IV.FROS.CHZ. | 2024-03-18T01:56:14.86 | 0.6 | undecidable | manual | S | 58 | 22.1556 | 112 | 0.01 | 49 |
IV.LOCA.HHZ. | 2024-03-18T01:56:13.98 | 0.3 | undecidable | manual | P | 51 | 35.3424 | 50 | 0.21 | 69 |
IV.RIBO.EHZ.01 | 2024-03-18T01:56:13.97 | 0.3 | undecidable | manual | S | 150 | 19.869 | 114 | -0.16 | 71 |
IV.FROS.CHZ. | 2024-03-18T01:56:11.67 | 0.1 | undecidable | manual | P | 58 | 22.1556 | 112 | 0.3 | 92 |
IV.RIBO.EHZ.01 | 2024-03-18T01:56:10.95 | 0.1 | undecidable | manual | P | 150 | 19.869 | 114 | 0 | 98 |
IV.TRIF.CHZ. | 2024-03-18T01:56:09.35 | 0.6 | undecidable | manual | S | 304 | 2.0979 | 166 | -0.36 | 47 |
IV.TRIF.CHZ. | 2024-03-18T01:56:08.47 | 0.1 | negative | manual | P | 304 | 2.0979 | 166 | 0.07 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.RIBO.EHN.01 | ML:1.3 | 0.00014524999999999998 | 0.12 | AML | other | m | 2024-03-18T01:56:11.79 |
IV.FROS.CHE. | ML:1.3 | 0.000123 | 1.64 | AML | other | m | 2024-03-18T01:56:14.09 |
IV.FROS.CHN. | ML:1.2 | 0.000117 | 0.4 | AML | other | m | 2024-03-18T01:56:15.62 |
IV.RIBO.EHE.01 | ML:1.4 | 0.00017199999999999998 | 0.22 | AML | other | m | 2024-03-18T01:56:15.78 |
IV.LOCA.HHE. | ML:0.9 | 0.000035999999999999994 | 0.22 | AML | other | m | 2024-03-18T01:56:18.77 |
IV.LOCA.HHN. | ML:0.9 | 0.000032 | 1.38 | AML | other | m | 2024-03-18T01:56:18.77 |