A magnitude ML 1.5 earthquake occured in region: 5 km W Castelnuovo di Val di Cecina (PI), on
and geographic coordinates (lat, lon) 43.2280, 10.8530 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 |
---|---|---|---|---|
Castelnuovo di Val di Cecina | PI | 5 | 2231 | 2231 |
Pomarance | PI | 8 | 5897 | 8128 |
Monterotondo Marittimo | GR | 9 | 1371 | 9499 |
Monteverdi Marittimo | PI | 12 | 758 | 10257 |
Radicondoli | SI | 16 | 914 | 11171 |
Montieri | GR | 17 | 1204 | 12375 |
Volterra | PI | 20 | 10519 | 22894 |
Massa Marittima | GR | 20 | 8375 | 31269 |
Casole d'Elsa | SI | 20 | 3897 | 35166 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.5 | 2023-10-21 20:52:35 |
43.2277 | 10.8533 | 10 | 2023-10-21 21:04:55 |
Sala Sismica INGV-Roma | 122272991 |
Field | Value |
---|---|
Time (UTC) | 2023-10-21 20:52:35 ± 0.09 |
Latitude | 43.2277 ± 0.0036 |
Longitude | 10.8533 ± 0.0074 |
Depth (km) | 10 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 122272991 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 579 |
Semi-minor axis of confidence ellipse (meter) | 361 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 105 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 580.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 155 |
Number of associated phases, regardless of their use for origin computation | 15 |
Number of defining phases | 15 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.15 |
Epicentral distance of station closest to the epicenter (degree) | 0.11871 |
Epicentral distance of station farthest from the epicenter (degree) | 0.57467 |
Number of stations at which the event was observed | 9 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | 0.3 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 122272991 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-10-21 21:04:55 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.OSSC.HHZ. | 2023-10-21T20:52:50.24 | 0.3 | undecidable | manual | S | 44 | 45.621 | 50 | 0 | 73 |
IV.CSNT.HHZ. | 2023-10-21T20:52:49.89 | 0.6 | undecidable | manual | S | 52 | 44.5221 | 50 | -0.07 | 48 |
IV.RIBO.EHZ.01 | 2023-10-21T20:52:47.39 | 0.3 | undecidable | manual | S | 153 | 34.6431 | 50 | 0.06 | 73 |
IV.LOCA.HNZ. | 2023-10-21T20:52:47.02 | 0.6 | undecidable | manual | S | 75 | 34.1436 | 50 | -0.17 | 48 |
IV.CRMI.HHE. | 2023-10-21T20:52:46.88 | 0.1 | undecidable | manual | P | 9 | 63.7917 | 50 | 0.1 | 92 |
IV.PII.HHZ. | 2023-10-21T20:52:45.87 | 0.6 | negative | manual | P | 334 | 60.8946 | 50 | -0.46 | 43 |
IV.FROS.CHZ. | 2023-10-21T20:52:44.33 | 0.6 | undecidable | manual | S | 95 | 24.5532 | 112 | -0.28 | 48 |
IV.OSSC.HHZ. | 2023-10-21T20:52:44.08 | 0.1 | positive | manual | P | 44 | 45.621 | 50 | 0.11 | 95 |
IV.CASP.HHZ. | 2023-10-21T20:52:44.15 | 1.0 | undecidable | manual | P | 179 | 48.5181 | 50 | -0.27 | 23 |
IV.CSNT.HHZ. | 2023-10-21T20:52:43.79 | 1.0 | undecidable | manual | P | 52 | 44.5221 | 50 | -0.02 | 24 |
IV.RIBO.EHZ.01 | 2023-10-21T20:52:42.18 | 1.0 | undecidable | manual | P | 153 | 34.6431 | 50 | -0.1 | 24 |
IV.LOCA.HNZ. | 2023-10-21T20:52:42.39 | 0.3 | undecidable | manual | P | 75 | 34.1436 | 50 | 0.18 | 72 |
IV.TRIF.CHZ. | 2023-10-21T20:52:40.94 | 0.6 | undecidable | manual | S | 162 | 13.1757 | 127 | -0.21 | 49 |
IV.FROS.CHZ. | 2023-10-21T20:52:40.86 | 0.1 | positive | manual | P | 95 | 24.5532 | 112 | 0.14 | 98 |
IV.TRIF.CHZ. | 2023-10-21T20:52:38.85 | 0.1 | positive | manual | P | 162 | 13.1757 | 127 | 0.14 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.TRIF.CHE. | ML:1.8 | 0.000598 | 0.1 | AML | other | m | 2023-10-21T20:52:41.65 |
IV.TRIF.CHN. | ML:1.8 | 0.000789 | 0.08 | AML | other | m | 2023-10-21T20:52:41.89 |
IV.FROS.CHE. | ML:1.4 | 0.00014218266499999997 | 0.0768 | AML | other | m | 2023-10-21T20:52:44.68 |
IV.FROS.CHN. | ML:1.6 | 0.00021996525 | 0.0768 | AML | other | m | 2023-10-21T20:52:45.13 |
IV.RIBO.EHE.01 | ML:1.3 | 0.00008212986 | 0.2176 | AML | other | m | 2023-10-21T20:52:49.35 |
IV.RIBO.EHN.01 | ML:0.9 | 0.000034220899999999996 | 0.1792 | AML | other | m | 2023-10-21T20:52:47.56 |
IV.CASP.HNE. | ML:1.6 | 0.0001187374 | 0.768 | AML | other | m | 2023-10-21T20:52:44.57 |
IV.CASP.HNN. | ML:1.6 | 0.00010767733000000002 | 0.448 | AML | other | m | 2023-10-21T20:52:56.11 |
IV.CASP.HHE. | ML:0.7 | 0.00001555186 | 1.7408 | AML | other | m | 2023-10-21T20:52:43.46 |
IV.CASP.HHN. | ML:0.9 | 0.000020682838500000003 | 0.2816 | AML | other | m | 2023-10-21T20:52:52.56 |
IV.PII.HHE. | ML:1.5 | 0.000060131795 | 0.8576 | AML | other | m | 2023-10-21T20:52:59.69 |
IV.PII.HHN. | ML:1.5 | 0.000066311565 | 1.4976 | AML | other | m | 2023-10-21T20:53:09.57 |