A magnitude ML 1.2 earthquake occured in region: 4 km W Chiusdino (SI), on
and geographic coordinates (lat, lon) 43.1710, 11.0460 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 |
---|---|---|---|---|
Chiusdino | SI | 4 | 1903 | 1903 |
Montieri | GR | 5 | 1204 | 3107 |
Radicondoli | SI | 10 | 914 | 4021 |
Monticiano | SI | 11 | 1571 | 5592 |
Castelnuovo di Val di Cecina | PI | 12 | 2231 | 7823 |
Monterotondo Marittimo | GR | 16 | 1371 | 9194 |
Massa Marittima | GR | 18 | 8375 | 17569 |
Casole d'Elsa | SI | 19 | 3897 | 21466 |
Sovicille | SI | 19 | 10116 | 31582 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.2 | 2020-08-18 01:44:02 |
43.1708 | 11.046 | 10 | 2020-08-18 03:05:48 |
Sala Sismica INGV-Roma | 82103581 |
Field | Value |
---|---|
Time (UTC) | 2020-08-18 01:44:02 ± 0.15 |
Latitude | 43.1708 ± 0.0099 |
Longitude | 11.0460 ± 0.0160 |
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 | 82103581 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1475 |
Semi-minor axis of confidence ellipse (meter) | 598 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 304 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1480.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 84 |
Number of associated phases, regardless of their use for origin computation | 24 |
Number of defining phases | 13 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.4 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.66820 |
Number of stations at which the event was observed | 18 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.1 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 82103581 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-08-18 03:05:48 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
ST.DOSS.HHZ. | 2020-08-18T01:45:27.62 | 3.0 | undecidable | manual | Sn | 1.09 | 0 | |||
IV.MCRV.HHZ. | 2020-08-18T01:45:14.56 | 3.0 | undecidable | manual | Sn | -2.43 | 0 | |||
IV.CAGR.HHZ. | 2020-08-18T01:45:14.81 | 3.0 | undecidable | manual | Pg | 9.23 | 0 | |||
IV.MRB1.HHZ. | 2020-08-18T01:45:09.76 | 3.0 | undecidable | manual | Sn | -0.16 | 0 | |||
IV.MUCR.HHZ. | 2020-08-18T01:45:04.47 | 3.0 | undecidable | manual | Pn | 2.01 | 0 | |||
IV.CERA.HHZ. | 2020-08-18T01:44:51.02 | 3.0 | undecidable | manual | Sn | 1.69 | 0 | |||
IV.CMPR.HHZ. | 2020-08-18T01:44:43.91 | 3.0 | undecidable | manual | Pn | 1.59 | 0 | |||
IV.PAOL.HHZ. | 2020-08-18T01:44:36.13 | 3.0 | undecidable | manual | Pg | 5.52 | 0 | |||
GU.GRAM.HHZ. | 2020-08-18T01:44:29.32 | 3.0 | positive | manual | Pn | 2.53 | 0 | |||
IV.CASP.HHE. | 2020-08-18T01:44:17.11 | 0.6 | undecidable | manual | S | 199 | 44.622 | 50 | 0 | 48 |
IV.CSNT.HHZ. | 2020-08-18T01:44:15.17 | 0.6 | undecidable | manual | S | 30 | 38.9277 | 50 | -0.41 | 44 |
IV.PII.HHE. | 2020-08-18T01:44:15.64 | 0.1 | undecidable | manual | P | 326 | 74.1702 | 50 | 0.13 | 88 |
TV.SF01.EHE. | 2020-08-18T01:44:14.37 | 0.6 | undecidable | manual | S | 133 | 57.8976 | 50 | -6.27 | 0 |
TV.SF01.EHE. | 2020-08-18T01:44:12.00 | 0.1 | undecidable | manual | P | 133 | 57.8976 | 50 | -1 | 68 |
IV.RIBO.EHZ. | 2020-08-18T01:44:11.93 | 0.6 | undecidable | manual | S | 180 | 24.6531 | 50 | 0.16 | 48 |
IV.CASP.HHE. | 2020-08-18T01:44:11.28 | 0.1 | undecidable | manual | P | 199 | 44.622 | 50 | 0.32 | 90 |
IV.CSNT.HHZ. | 2020-08-18T01:44:10.11 | 0.1 | undecidable | manual | P | 30 | 38.9277 | 50 | 0.04 | 96 |
IV.RIBO.EHZ. | 2020-08-18T01:44:08.24 | 0.1 | undecidable | manual | P | 180 | 24.6531 | 50 | 0.36 | 92 |
IV.MAGO.CHZ. | 2020-08-18T01:44:08.94 | 3.0 | positive | manual | P | -0.26 | 0 | |||
IV.TRIF.CHZ. | 2020-08-18T01:44:07.70 | 0.6 | undecidable | manual | S | 242 | 13.1757 | 128 | -0.66 | 43 |
IV.FROS.CHZ. | 2020-08-18T01:44:07.58 | 0.6 | undecidable | manual | S | 64 | 9.879 | 136 | 0.06 | 50 |
IV.FROS.CHZ. | 2020-08-18T01:44:05.76 | 0.1 | negative | manual | P | 64 | 9.879 | 136 | 0.34 | 95 |
IV.TRIF.CHZ. | 2020-08-18T01:44:05.86 | 0.1 | negative | manual | P | 242 | 13.1757 | 128 | -0.05 | 100 |
IT.RMMM.HGZ. | 2020-08-18T01:44:04.93 | 3.0 | negative | manual | P | 0.2 | 0 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.FROS.CHE. | ML:1.1 | 0.000169 | 0.9 | AML | other | m | 2020-08-18T01:44:07.96 |
IV.FROS.CHN. | ML:1.3 | 0.0002395 | 0.56 | AML | other | m | 2020-08-18T01:44:07.64 |
IV.TRIF.CHN. | ML:1.2 | 0.000174 | 0.08 | AML | other | m | 2020-08-18T01:44:07.96 |
IV.TRIF.CHE. | ML:1.2 | 0.00015 | 0.56 | AML | other | m | 2020-08-18T01:44:08.65 |