A magnitude ML 0.6 earthquake occured in region: 1 km SE Chiusdino (SI), on
and geographic coordinates (lat, lon) 43.1480, 11.0980 at 7 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 |
---|---|---|---|---|
Chiusdino | SI | 1 | 1903 | 1903 |
Monticiano | SI | 7 | 1571 | 3474 |
Montieri | GR | 7 | 1204 | 4678 |
Radicondoli | SI | 13 | 914 | 5592 |
Roccastrada | GR | 16 | 9199 | 14791 |
Castelnuovo di Val di Cecina | PI | 17 | 2231 | 17022 |
Sovicille | SI | 18 | 10116 | 27138 |
Monterotondo Marittimo | GR | 20 | 1371 | 28509 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
Md 0.9
ML 0.6 |
2024-04-21 19:12:48 |
43.1483 | 11.0985 | 7 | 2024-04-21 19:17:08 |
Sala Sismica INGV-Roma | 126946151 |
Field | Value |
---|---|
Time (UTC) | 2024-04-21 19:12:48 ± 0.28 |
Latitude | 43.1483 ± 0.0090 |
Longitude | 11.0985 ± 0.0136 |
Depth (km) | 7 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 126946151 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1261 |
Semi-minor axis of confidence ellipse (meter) | 466 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 126 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1260.0 |
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 | 8 |
Number of defining phases | 8 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.27 |
Epicentral distance of station closest to the epicenter (degree) | 0.07464 |
Epicentral distance of station farthest from the epicenter (degree) | 0.20325 |
Number of stations at which the event was observed | 4 |
Number of stations from which data was used for origin computation | 4 |
Field | Value |
---|---|
Value | 0.6 |
Uncertainty | 0.3 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 126946151 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2024-04-21 19:17:08 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.1 |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 126946151 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2024-04-21 19:17:08 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.RIBO.EHZ.01 | 2024-04-21T19:12:55.93 | 0.6 | undecidable | manual | S | 191 | 22.5552 | 108 | -0.32 | 48 |
IV.LOCA.HHZ. | 2024-04-21T19:12:55.62 | 0.6 | undecidable | manual | S | 37 | 21.9669 | 108 | -0.46 | 46 |
IV.TRIF.CHZ. | 2024-04-21T19:12:53.93 | 0.6 | undecidable | manual | S | 257 | 16.2726 | 114 | -0.3 | 48 |
IV.LOCA.HHZ. | 2024-04-21T19:12:52.59 | 0.1 | undecidable | manual | P | 37 | 21.9669 | 108 | -0.09 | 100 |
IV.RIBO.EHZ.01 | 2024-04-21T19:12:52.93 | 0.1 | undecidable | manual | P | 191 | 22.5552 | 108 | 0.14 | 99 |
IV.FROS.CHZ. | 2024-04-21T19:12:51.91 | 0.3 | undecidable | manual | S | 34 | 8.2806 | 131 | 0.05 | 77 |
IV.TRIF.CHZ. | 2024-04-21T19:12:51.81 | 0.3 | negative | manual | P | 257 | 16.2726 | 114 | 0.19 | 74 |
IV.FROS.CHZ. | 2024-04-21T19:12:50.51 | 0.1 | positive | manual | P | 34 | 8.2806 | 131 | 0.26 | 99 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.FROS.CHN. | ML:0.4 | 0.000046877739 | 0.112 | AML | other | m | 2024-04-21T19:12:52.07 |
IV.FROS.CHE. | ML:0.4 | 0.000047001470000000005 | 0.12 | AML | other | m | 2024-04-21T19:12:51.96 |
IV.TRIF.CHN. | ML:1.0 | 0.00009895 | 0.08 | AML | other | m | 2024-04-21T19:12:54.10 |
IV.TRIF.CHE. | ML:0.8 | 0.00005567285 | 0.096 | AML | other | m | 2024-04-21T19:12:54.24 |