A magnitude ML 1.1 earthquake occured in region: 2 km SW Chiusdino (SI), on
and geographic coordinates (lat, lon) 43.1440, 11.0740 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 |
---|---|---|---|---|
Chiusdino | SI | 2 | 1903 | 1903 |
Montieri | GR | 5 | 1204 | 3107 |
Monticiano | SI | 9 | 1571 | 4678 |
Radicondoli | SI | 13 | 914 | 5592 |
Castelnuovo di Val di Cecina | PI | 15 | 2231 | 7823 |
Roccastrada | GR | 17 | 9199 | 17022 |
Monterotondo Marittimo | GR | 18 | 1371 | 18393 |
Massa Marittima | GR | 18 | 8375 | 26768 |
Sovicille | SI | 20 | 10116 | 36884 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2020-05-20 04:16:00 |
43.1442 | 11.0738 | 9 | 2020-05-20 04:24:02 |
Sala Sismica INGV-Roma | 79353071 |
Field | Value |
---|---|
Time (UTC) | 2020-05-20 04:16:00 ± 0.24 |
Latitude | 43.1442 ± 0.0126 |
Longitude | 11.0738 ± 0.0173 |
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 | 79353071 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1501 |
Semi-minor axis of confidence ellipse (meter) | 1011 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 324 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1500.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 145 |
Number of associated phases, regardless of their use for origin computation | 19 |
Number of defining phases | 8 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.39 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.38491 |
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 | 1.1 |
Uncertainty | 0.2 |
Num. used stations | 7 |
Type of magnitude | ML |
Reference to an origin | 79353071 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-05-20 04:24:02 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
XK.SELL.HHZ. | 2020-05-20T04:17:46.12 | 3.0 | undecidable | manual | Pg | 21.26 | 0 | |||
IV.SENA.HHZ. | 2020-05-20T04:17:22.31 | 3.0 | undecidable | manual | Sn | 0.78 | 0 | |||
IV.ROSPO.HHZ. | 2020-05-20T04:17:20.35 | 3.0 | undecidable | manual | Sn | -0.42 | 0 | |||
IV.MSAG.HHZ. | 2020-05-20T04:17:13.84 | 3.0 | undecidable | manual | Pg | 18.43 | 0 | |||
IV.QLNO.HHZ. | 2020-05-20T04:17:00.07 | 3.0 | undecidable | manual | Sg | 8.44 | 0 | |||
OT.OT05.EHZ. | 2020-05-20T04:16:54.68 | 3.0 | undecidable | manual | Pn | 1.7 | 0 | |||
IV.SARZ.HHZ. | 2020-05-20T04:16:50.36 | 3.0 | undecidable | manual | Sn | -0.07 | 0 | |||
ST.GAGG.HHZ. | 2020-05-20T04:16:34.99 | 3.0 | undecidable | manual | Pn | 0.61 | 0 | |||
IV.CERT.HHZ. | 2020-05-20T04:16:29.44 | 3.0 | undecidable | manual | Pg | 0.43 | 0 | |||
IV.MMUR.HNZ. | 2020-05-20T04:16:19.77 | 3.0 | positive | manual | Pn | -0.16 | 0 | |||
IV.CPGN.EHZ. | 2020-05-20T04:16:15.22 | 3.0 | undecidable | manual | Pg | 1.56 | 0 | |||
IV.CASP.HHZ. | 2020-05-20T04:16:14.66 | 0.3 | undecidable | manual | S | 203 | 42.7239 | 50 | -0.55 | 64 |
IV.CASP.HHZ. | 2020-05-20T04:16:09.54 | 0.3 | undecidable | manual | P | 203 | 42.7239 | 50 | 0.4 | 67 |
IV.RIBO.EHZ.01 | 2020-05-20T04:16:08.84 | 0.3 | undecidable | manual | S | 186 | 21.7671 | 112 | -0.14 | 73 |
IV.TRIF.CHZ. | 2020-05-20T04:16:06.39 | 0.3 | undecidable | manual | S | 257 | 14.2746 | 122 | -0.25 | 73 |
IV.RIBO.EHZ.01 | 2020-05-20T04:16:05.91 | 0.3 | undecidable | manual | P | 186 | 21.7671 | 112 | 0.37 | 70 |
IV.FROS.CHZ. | 2020-05-20T04:16:05.05 | 0.3 | undecidable | manual | S | 42 | 9.879 | 132 | -0.36 | 71 |
IV.TRIF.CHZ. | 2020-05-20T04:16:04.52 | 0.3 | negative | manual | P | 257 | 14.2746 | 122 | 0.33 | 71 |
IV.FROS.CHZ. | 2020-05-20T04:16:03.61 | 0.1 | negative | manual | P | 42 | 9.879 | 132 | 0.13 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.FROS.CHE. | ML:1.6 | 0.0005124999999999999 | 0.62 | AML | other | m | 2020-05-20T04:16:05.10 |
IV.FROS.CHN. | ML:1.3 | 0.00028649999999999997 | 0.12 | AML | other | m | 2020-05-20T04:16:05.35 |
IV.TRIF.CHE. | ML:1.1 | 0.000131 | 0.28 | AML | other | m | 2020-05-20T04:16:06.70 |
IV.TRIF.CHN. | ML:1.1 | 0.000122 | 0.12 | AML | other | m | 2020-05-20T04:16:06.74 |
IV.RIBO.EHE.01 | ML:1.0 | 0.00006537556 | 0.1216 | AML | other | m | 2020-05-20T04:16:09.11 |
IV.CASP.HHN. | ML:1.0 | 0.000028090009999999998 | 0.2176 | AML | other | m | 2020-05-20T04:16:14.82 |
IV.CASP.HHE. | ML:1.0 | 0.00003154233 | 0.0992 | AML | other | m | 2020-05-20T04:16:14.71 |