A magnitude ML 1.2 earthquake occured in region: 4 km NE Montieri (GR), on
and geographic coordinates (lat, lon) 43.1650, 11.0320 at 8 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 | 4 | 1204 | 1204 |
Chiusdino | SI | 5 | 1903 | 3107 |
Radicondoli | SI | 11 | 914 | 4021 |
Castelnuovo di Val di Cecina | PI | 11 | 2231 | 6252 |
Monticiano | SI | 12 | 1571 | 7823 |
Monterotondo Marittimo | GR | 14 | 1371 | 9194 |
Massa Marittima | GR | 17 | 8375 | 17569 |
Casole d'Elsa | SI | 20 | 3897 | 21466 |
Pomarance | PI | 20 | 5897 | 27363 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.2 | 2021-10-13 03:37:47 |
43.1652 | 11.0323 | 8 | 2021-10-13 03:42:49 |
Sala Sismica INGV-Roma | 96485301 |
Field | Value |
---|---|
Time (UTC) | 2021-10-13 03:37:47 ± 0.22 |
Latitude | 43.1652 ± 0.0063 |
Longitude | 11.0323 ± 0.0086 |
Depth (km) | 8 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 96485301 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 875 |
Semi-minor axis of confidence ellipse (meter) | 149 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 140 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 880.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 149 |
Number of associated phases, regardless of their use for origin computation | 18 |
Number of defining phases | 7 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.23 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.36063 |
Number of stations at which the event was observed | 15 |
Number of stations from which data was used for origin computation | 4 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.1 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 96485301 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-10-13 03:42:49 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ICAI.EHZ. | 2021-10-13T03:39:28.34 | 3.0 | undecidable | manual | Sg | 3.88 | 0 | |||
IV.MMGO.HHZ. | 2021-10-13T03:39:25.19 | 3.0 | undecidable | manual | Pg | 9.76 | 0 | |||
MN.VAE.HHZ. | 2021-10-13T03:39:19.24 | 3.0 | negative | manual | Pn | -3.64 | 0 | |||
IV.GIUL.HHZ. | 2021-10-13T03:39:02.23 | 3.0 | undecidable | manual | Sg | 1.51 | 0 | |||
OT.OT17.EHZ. | 2021-10-13T03:38:57.54 | 3.0 | positive | manual | Pg | 11.76 | 0 | |||
IV.VAGA.HHZ. | 2021-10-13T03:38:44.88 | 3.0 | positive | manual | Pg | 7.03 | 0 | |||
IV.VENL.EHZ. | 2021-10-13T03:38:35.72 | 3.0 | positive | manual | Pg | 6.89 | 0 | |||
IV.ARVD.HHZ. | 2021-10-13T03:38:35.67 | 3.0 | undecidable | manual | S | -2.4 | 0 | |||
OX.VARN.HHZ. | 2021-10-13T03:38:34.51 | 3.0 | undecidable | manual | Pn | -0.7 | 0 | |||
GU.POPM.HHZ. | 2021-10-13T03:38:05.61 | 3.0 | positive | manual | P | 0.22 | 0 | |||
IV.CELB.HHZ. | 2021-10-13T03:38:02.87 | 3.0 | undecidable | manual | P | -1.16 | 0 | |||
IV.RIBO.EHZ.01 | 2021-10-13T03:37:56.33 | 0.1 | undecidable | manual | S | 177 | 24.0537 | 109 | -0.04 | 99 |
IV.CSNT.HHZ. | 2021-10-13T03:37:55.10 | 1.0 | negative | manual | P | 31 | 40.0266 | 50 | -0.44 | 22 |
IV.RIBO.EHZ.01 | 2021-10-13T03:37:52.78 | 1.0 | negative | manual | P | 177 | 24.0537 | 109 | 0.12 | 24 |
IV.FROS.CHZ. | 2021-10-13T03:37:52.25 | 0.1 | undecidable | manual | S | 64 | 11.1777 | 126 | -0.12 | 100 |
IV.TRIF.CHZ. | 2021-10-13T03:37:52.42 | 0.1 | undecidable | manual | S | 242 | 11.877 | 124 | -0.15 | 99 |
IV.FROS.CHZ. | 2021-10-13T03:37:50.53 | 0.1 | positive | manual | P | 64 | 11.1777 | 126 | 0.19 | 98 |
IV.TRIF.CHZ. | 2021-10-13T03:37:50.66 | 0.1 | positive | manual | P | 242 | 11.877 | 124 | 0.2 | 98 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.FROS.CHE. | ML:1.3 | 0.000248 | 0.64 | AML | other | m | 2021-10-13T03:37:52.31 |
IV.FROS.CHN. | ML:1.1 | 0.00017199999999999998 | 0.18 | AML | other | m | 2021-10-13T03:37:52.49 |
IV.TRIF.CHN. | ML:1.2 | 0.00022 | 0.16 | AML | other | m | 2021-10-13T03:37:52.47 |
IV.TRIF.CHE. | ML:1.3 | 0.00022950000000000002 | 1.74 | AML | other | m | 2021-10-13T03:37:52.06 |