A magnitude ML 1.4 earthquake occured in region: 1 km NW Montieri (GR), on
and geographic coordinates (lat, lon) 43.1370, 11.0130 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 | 1 | 1204 | 1204 |
Chiusdino | SI | 7 | 1903 | 3107 |
Castelnuovo di Val di Cecina | PI | 12 | 2231 | 5338 |
Monterotondo Marittimo | GR | 13 | 1371 | 6709 |
Monticiano | SI | 14 | 1571 | 8280 |
Massa Marittima | GR | 14 | 8375 | 16655 |
Radicondoli | SI | 14 | 914 | 17569 |
Roccastrada | GR | 19 | 9199 | 26768 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.4 | 2021-12-27 01:05:34 |
43.1367 | 11.0127 | 10 | 2021-12-27 01:10:24 |
Sala Sismica INGV-Roma | 99036551 |
Field | Value |
---|---|
Time (UTC) | 2021-12-27 01:05:34 ± 0.14 |
Latitude | 43.1367 ± 0.0081 |
Longitude | 11.0127 ± 0.0136 |
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 | 99036551 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1122 |
Semi-minor axis of confidence ellipse (meter) | 705 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 127 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1120.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 117 |
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) | 0.35 |
Epicentral distance of station closest to the epicenter (degree) | 0.08364 |
Epicentral distance of station farthest from the epicenter (degree) | 0.39210 |
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 | 1.4 |
Uncertainty | 0.1 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 99036551 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-12-27 01:10:24 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CSNT.HHZ. | 2021-12-27T01:05:48.63 | 0.6 | undecidable | manual | S | 31 | 43.5231 | 50 | -0.29 | 46 |
IV.CASP.HHZ. | 2021-12-27T01:05:47.86 | 0.6 | undecidable | manual | S | 197 | 40.2264 | 50 | -0.17 | 48 |
IV.MAGO.CHZ. | 2021-12-27T01:05:45.22 | 0.6 | undecidable | manual | S | 298 | 32.4453 | 50 | -0.74 | 41 |
IV.CSNT.HHZ. | 2021-12-27T01:05:43.31 | 0.6 | positive | manual | P | 31 | 43.5231 | 50 | 0.41 | 45 |
IV.CASP.HHZ. | 2021-12-27T01:05:42.86 | 1.0 | positive | manual | P | 197 | 40.2264 | 50 | 0.47 | 22 |
IV.RIBO.EHZ.01 | 2021-12-27T01:05:42.09 | 0.6 | undecidable | manual | S | 172 | 20.9679 | 116 | -0.72 | 42 |
IV.MAGO.CHZ. | 2021-12-27T01:05:41.49 | 0.3 | undecidable | manual | P | 298 | 32.4453 | 50 | 0.3 | 71 |
IV.FROS.CHZ. | 2021-12-27T01:05:40.25 | 0.6 | undecidable | manual | S | 55 | 14.1747 | 126 | -0.52 | 46 |
IV.RIBO.EHZ.01 | 2021-12-27T01:05:39.64 | 0.1 | undecidable | manual | P | 172 | 20.9679 | 116 | 0.27 | 97 |
IV.TRIF.CHZ. | 2021-12-27T01:05:39.14 | 0.6 | undecidable | manual | S | 255 | 9.2796 | 138 | -0.36 | 48 |
IV.FROS.CHZ. | 2021-12-27T01:05:38.36 | 0.1 | negative | manual | P | 55 | 14.1747 | 126 | 0.17 | 100 |
IV.TRIF.CHZ. | 2021-12-27T01:05:37.78 | 0.1 | negative | manual | P | 255 | 9.2796 | 138 | 0.32 | 98 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.TRIF.CHN. | ML:1.4 | 0.00035499999999999996 | 0.72 | AML | other | m | 2021-12-27T01:05:39.00 |
IV.TRIF.CHE. | ML:1.6 | 0.0005455000000000001 | 0.26 | AML | other | m | 2021-12-27T01:05:39.38 |
IV.FROS.CHN. | ML:1.5 | 0.000313 | 0.18 | AML | other | m | 2021-12-27T01:05:40.58 |
IV.FROS.CHE. | ML:1.2 | 0.00017449999999999999 | 0.86 | AML | other | m | 2021-12-27T01:05:41.11 |
IV.RIBO.EHE.01 | ML:1.2 | 0.00011700000000000001 | 1.2 | AML | other | m | 2021-12-27T01:05:42.16 |
IV.RIBO.EHN.01 | ML:1.3 | 0.000129 | 0.5 | AML | other | m | 2021-12-27T01:05:47.52 |
IV.CASP.HHE. | ML:1.3 | 0.0000644 | 0.32 | AML | other | m | 2021-12-27T01:05:48.16 |
IV.CASP.HHN. | ML:1.3 | 0.00006840000000000001 | 1.32 | AML | other | m | 2021-12-27T01:05:48.32 |