A magnitude ML 1.8 earthquake occured in region: Montieri (GR), on
and geographic coordinates (lat, lon) 43.1330, 11.0190 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 | 0 | 1204 | 1204 |
Chiusdino | SI | 6 | 1903 | 3107 |
Castelnuovo di Val di Cecina | PI | 12 | 2231 | 5338 |
Monticiano | SI | 13 | 1571 | 6909 |
Monterotondo Marittimo | GR | 13 | 1371 | 8280 |
Massa Marittima | GR | 14 | 8375 | 16655 |
Radicondoli | SI | 15 | 914 | 17569 |
Roccastrada | GR | 18 | 9199 | 26768 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.8 | 2023-09-15 21:09:10 |
43.1328 | 11.0193 | 10 | 2023-09-15 21:16:36 |
Sala Sismica INGV-Roma | 121089011 |
Field | Value |
---|---|
Time (UTC) | 2023-09-15 21:09:10 ± 0.15 |
Latitude | 43.1328 ± 0.0090 |
Longitude | 11.0193 ± 0.0148 |
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 | 121089011 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1375 |
Semi-minor axis of confidence ellipse (meter) | 505 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 305 |
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) | 147 |
Number of associated phases, regardless of their use for origin computation | 22 |
Number of defining phases | 10 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.33 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.35973 |
Number of stations at which the event was observed | 16 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.2 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 121089011 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-09-15 21:16:36 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.TDS.HHZ. | 2023-09-15T21:10:41.83 | 3.0 | undecidable | manual | Pg | 19.16 | 0 | |||
7C.SPAOL.HNZ. | 2023-09-15T21:10:34.81 | 3.0 | positive | manual | Pn | -4.84 | 0 | |||
IV.ALJA.HHZ. | 2023-09-15T21:10:34.39 | 3.0 | undecidable | manual | Pn | 2.33 | 0 | |||
SL.KOGS.BHZ. | 2023-09-15T21:10:22.22 | 3.0 | undecidable | manual | Pg | 10.84 | 0 | |||
GU.RORO.HHZ. | 2023-09-15T21:10:15.47 | 3.0 | undecidable | manual | Sg | -0.27 | 0 | |||
OX.VARN.HHZ. | 2023-09-15T21:10:05.94 | 3.0 | undecidable | manual | Sn | -9.99 | 0 | |||
GU.TRAV.HHZ. | 2023-09-15T21:09:55.84 | 3.0 | negative | manual | Pn | 1.54 | 0 | |||
IV.SMA1.EHZ. | 2023-09-15T21:09:52.10 | 3.0 | undecidable | manual | Sn | -4.06 | 0 | |||
IV.MNTT.EHZ. | 2023-09-15T21:09:32.44 | 3.0 | undecidable | manual | Pn | 0.24 | 0 | |||
IV.FNVD.HHZ. | 2023-09-15T21:09:27.97 | 3.0 | undecidable | manual | Sg | -0.03 | 0 | |||
IV.CASP.HHZ. | 2023-09-15T21:09:23.10 | 0.6 | undecidable | manual | S | 198 | 39.9267 | 50 | -0.23 | 47 |
IV.LOCA.HHE. | 2023-09-15T21:09:19.43 | 0.6 | undecidable | manual | S | 45 | 27.5502 | 50 | -0.58 | 44 |
IV.CASP.HHZ. | 2023-09-15T21:09:18.12 | 1.0 | positive | manual | P | 198 | 39.9267 | 50 | 0.4 | 23 |
IV.RIBO.EHZ.01 | 2023-09-15T21:09:17.60 | 0.6 | undecidable | manual | S | 174 | 20.4684 | 117 | -0.43 | 47 |
IV.CSNT.HHZ. | 2023-09-15T21:09:17.31 | 3.0 | undecidable | manual | Sg | 12.4 | 0 | |||
IV.FROS.CHN. | 2023-09-15T21:09:15.69 | 0.6 | undecidable | manual | S | 52 | 13.9749 | 127 | -0.41 | 48 |
IV.LOCA.HHE. | 2023-09-15T21:09:15.95 | 0.1 | undecidable | manual | P | 45 | 27.5502 | 50 | 0.15 | 98 |
IV.FNVD.HHZ. | 2023-09-15T21:09:14.98 | 3.0 | undecidable | manual | P | 0 | ||||
IV.RIBO.EHZ.01 | 2023-09-15T21:09:14.93 | 0.1 | negative | manual | P | 174 | 20.4684 | 117 | 0.27 | 97 |
IV.TRIF.CHZ. | 2023-09-15T21:09:14.60 | 0.3 | undecidable | manual | S | 258 | 9.6792 | 137 | -0.38 | 72 |
IV.TRIF.CHZ. | 2023-09-15T21:09:13.11 | 0.1 | negative | manual | P | 258 | 9.6792 | 137 | 0.21 | 100 |
IV.FROS.CHN. | 2023-09-15T21:09:13.84 | 0.1 | undecidable | manual | P | 52 | 13.9749 | 127 | 0.3 | 97 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.TRIF.CHN. | ML:1.7 | 0.000611 | 0.08 | AML | other | m | 2023-09-15T21:09:14.73 |
IV.TRIF.CHE. | ML:1.7 | 0.0006665000000000001 | 0.18 | AML | other | m | 2023-09-15T21:09:14.97 |
IV.FNVD.HHN. | ML:1.6 | 0.0000299 | 1.94 | AML | other | m | 2023-09-15T21:09:34.00 |
IV.FNVD.HHE. | ML:2.0 | 0.0000902 | 0.06 | AML | other | m | 2023-09-15T21:09:35.01 |