A magnitude ML 1.8 earthquake occured in region: 2 km NE Montieri (GR), on
and geographic coordinates (lat, lon) 43.1400, 11.0350 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 |
---|---|---|---|---|
Montieri | GR | 2 | 1204 | 1204 |
Chiusdino | SI | 5 | 1903 | 3107 |
Monticiano | SI | 12 | 1571 | 4678 |
Castelnuovo di Val di Cecina | PI | 13 | 2231 | 6909 |
Radicondoli | SI | 14 | 914 | 7823 |
Monterotondo Marittimo | GR | 14 | 1371 | 9194 |
Massa Marittima | GR | 15 | 8375 | 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 | 2024-01-06 00:55:04 |
43.1402 | 11.0347 | 9 | 2024-01-06 01:13:03 |
Sala Sismica INGV-Roma | 124511641 |
Field | Value |
---|---|
Time (UTC) | 2024-01-06 00:55:04 ± 0.12 |
Latitude | 43.1402 ± 0.0072 |
Longitude | 11.0347 ± 0.0111 |
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 | 124511641 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1075 |
Semi-minor axis of confidence ellipse (meter) | 465 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 133 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1070.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 127 |
Number of associated phases, regardless of their use for origin computation | 12 |
Number of defining phases | 12 |
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) | 0.09982 |
Epicentral distance of station farthest from the epicenter (degree) | 0.41279 |
Number of stations at which the event was observed | 6 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.2 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 124511641 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2024-01-06 01:13:03 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.OSSC.HHZ. | 2024-01-06T00:55:19.87 | 0.3 | undecidable | manual | S | 22 | 45.8208 | 50 | -0.16 | 69 |
IV.CSNT.HHZ. | 2024-01-06T00:55:18.70 | 0.1 | undecidable | manual | S | 29 | 42.3243 | 50 | -0.39 | 88 |
IV.LOCA.HNZ. | 2024-01-06T00:55:14.12 | 0.1 | undecidable | manual | S | 45 | 26.0517 | 109 | -0.35 | 92 |
IV.CSNT.HHZ. | 2024-01-06T00:55:13.29 | 0.1 | undecidable | manual | P | 29 | 42.3243 | 50 | 0.2 | 92 |
IV.OSSC.HHZ. | 2024-01-06T00:55:13.87 | 0.1 | undecidable | manual | P | 22 | 45.8208 | 50 | 0.23 | 91 |
IV.RIBO.EHZ.01 | 2024-01-06T00:55:12.55 | 0.1 | undecidable | manual | S | 177 | 21.2676 | 113 | -0.36 | 92 |
IV.FROS.CHZ. | 2024-01-06T00:55:10.22 | 0.1 | undecidable | manual | S | 52 | 12.4764 | 126 | -0.04 | 100 |
IV.LOCA.HNZ. | 2024-01-06T00:55:10.62 | 0.1 | undecidable | manual | P | 45 | 26.0517 | 109 | 0.19 | 95 |
IV.RIBO.EHZ.01 | 2024-01-06T00:55:09.78 | 0.1 | undecidable | manual | P | 177 | 21.2676 | 113 | 0.26 | 94 |
IV.TRIF.CHZ. | 2024-01-06T00:55:09.51 | 0.1 | undecidable | manual | S | 255 | 11.0778 | 129 | -0.35 | 94 |
IV.TRIF.CHZ. | 2024-01-06T00:55:08.06 | 0.1 | undecidable | manual | P | 255 | 11.0778 | 129 | 0.3 | 95 |
IV.FROS.CHZ. | 2024-01-06T00:55:08.40 | 0.1 | undecidable | manual | P | 52 | 12.4764 | 126 | 0.41 | 93 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.TRIF.CHN. | ML:1.9 | 0.0009305000000000001 | 0.08 | AML | other | m | 2024-01-06T00:55:09.91 |
IV.TRIF.CHE. | ML:1.9 | 0.0011 | 1.44 | AML | other | m | 2024-01-06T00:55:10.88 |
IV.FROS.CHE. | ML:1.8 | 0.000656 | 0.62 | AML | other | m | 2024-01-06T00:55:10.36 |
IV.FROS.CHN. | ML:1.6 | 0.0004455 | 0.52 | AML | other | m | 2024-01-06T00:55:10.93 |