A magnitude ML 1.5 earthquake occured in region: 5 km NW Montieri (GR), on
and geographic coordinates (lat, lon) 43.1640, 10.9740 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 | 5 | 1204 | 1204 |
Castelnuovo di Val di Cecina | PI | 7 | 2231 | 3435 |
Chiusdino | SI | 9 | 1903 | 5338 |
Monterotondo Marittimo | GR | 10 | 1371 | 6709 |
Radicondoli | SI | 12 | 914 | 7623 |
Massa Marittima | GR | 14 | 8375 | 15998 |
Monticiano | SI | 17 | 1571 | 17569 |
Pomarance | PI | 17 | 5897 | 23466 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.5 | 2023-09-06 23:47:46 |
43.1642 | 10.9738 | 10 | 2023-09-06 23:57:25 |
Sala Sismica INGV-Roma | 120836741 |
Field | Value |
---|---|
Time (UTC) | 2023-09-06 23:47:46 ± 0.19 |
Latitude | 43.1642 ± 0.0099 |
Longitude | 10.9738 ± 0.0160 |
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 | 120836741 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1518 |
Semi-minor axis of confidence ellipse (meter) | 385 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 309 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1520.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 190 |
Number of associated phases, regardless of their use for origin computation | 10 |
Number of defining phases | 10 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.36 |
Epicentral distance of station closest to the epicenter (degree) | 0.07195 |
Epicentral distance of station farthest from the epicenter (degree) | 0.38131 |
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 | 1.5 |
Uncertainty | 0.4 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 120836741 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-09-06 23:57:25 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CASP.HHZ. | 2023-09-06T23:48:00.92 | 0.1 | undecidable | manual | S | 192 | 42.3243 | 50 | 0.03 | 95 |
IV.LOCA.HNE. | 2023-09-06T23:47:56.57 | 0.1 | undecidable | manual | S | 56 | 28.1496 | 50 | -0.53 | 88 |
IV.RIBO.EHZ.01 | 2023-09-06T23:47:55.91 | 0.1 | undecidable | manual | S | 166 | 24.5532 | 112 | -0.19 | 95 |
IV.CASP.HHZ. | 2023-09-06T23:47:55.54 | 1.0 | undecidable | manual | P | 192 | 42.3243 | 50 | 0.56 | 21 |
IV.FROS.CHZ. | 2023-09-06T23:47:53.29 | 0.1 | undecidable | manual | S | 71 | 15.5733 | 123 | -0.03 | 100 |
IV.LOCA.HNE. | 2023-09-06T23:47:52.99 | 0.1 | undecidable | manual | P | 56 | 28.1496 | 50 | 0.21 | 94 |
IV.RIBO.EHZ.01 | 2023-09-06T23:47:52.66 | 0.6 | undecidable | manual | P | 166 | 24.5532 | 112 | 0.45 | 45 |
IV.FROS.CHZ. | 2023-09-06T23:47:50.93 | 0.1 | negative | manual | P | 71 | 15.5733 | 123 | 0.33 | 94 |
IV.TRIF.CHZ. | 2023-09-06T23:47:50.88 | 0.1 | undecidable | manual | S | 226 | 7.9809 | 141 | -0.44 | 93 |
IV.TRIF.CHZ. | 2023-09-06T23:47:49.67 | 0.1 | negative | manual | P | 226 | 7.9809 | 141 | 0.22 | 97 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.TRIF.CHN. | ML:1.8 | 0.001012 | 0.08 | AML | other | m | 2023-09-06T23:47:51.16 |
IV.TRIF.CHE. | ML:1.8 | 0.000914 | 0.18 | AML | other | m | 2023-09-06T23:47:51.46 |
IV.FROS.CHE. | ML:1.2 | 0.0001475 | 0.96 | AML | other | m | 2023-09-06T23:47:53.42 |
IV.FROS.CHN. | ML:1.2 | 0.00014749999999999998 | 0.34 | AML | other | m | 2023-09-06T23:47:53.43 |