A magnitude ML 0.5 earthquake occured in region: 1 km SW Chiusdino (SI), on
and geographic coordinates (lat, lon) 43.1480, 11.0760 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 | 1 | 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 | 19 | 8375 | 26768 |
Sovicille | SI | 19 | 10116 | 36884 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.5 | 2020-05-20 04:42:17 |
43.1475 | 11.0757 | 9 | 2020-05-20 05:17:49 |
Sala Sismica INGV-Roma | 79353691 |
Field | Value |
---|---|
Time (UTC) | 2020-05-20 04:42:17 ± 0.24 |
Latitude | 43.1475 ± 0.0126 |
Longitude | 11.0757 ± 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 | 79353691 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1534 |
Semi-minor axis of confidence ellipse (meter) | 981 |
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) | 1530.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 147 |
Number of associated phases, regardless of their use for origin computation | 22 |
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) | 0.38851 |
Number of stations at which the event was observed | 17 |
Number of stations from which data was used for origin computation | 4 |
Field | Value |
---|---|
Value | 0.5 |
Uncertainty | 0.1 |
Num. used stations | 5 |
Type of magnitude | ML |
Reference to an origin | 79353691 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-05-20 05:17:49 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CPTP.HHZ. | 2020-05-20T04:44:08.03 | 3.0 | positive | manual | Pg | 19.93 | 0 | |||
OT.OT05.EHZ. | 2020-05-20T04:44:06.05 | 3.0 | undecidable | manual | Sg | 10.03 | 0 | |||
OT.OT11.EHZ. | 2020-05-20T04:44:02.57 | 3.0 | undecidable | manual | Sg | 8.74 | 0 | |||
IV.CPOZ.HHZ. | 2020-05-20T04:43:58.51 | 3.0 | undecidable | manual | Sg | 9.38 | 0 | |||
IV.MSAG.HHZ. | 2020-05-20T04:43:55.50 | 3.0 | undecidable | manual | Sn | -4.74 | 0 | |||
IV.ECTS.HHZ. | 2020-05-20T04:43:49.80 | 3.0 | undecidable | manual | Pn | 3.61 | 0 | |||
CH.FUORN.HHZ. | 2020-05-20T04:43:43.21 | 3.0 | undecidable | manual | Sg | 1.09 | 0 | |||
IV.PZUN.HHZ. | 2020-05-20T04:43:32.45 | 3.0 | negative | manual | Pg | 12.38 | 0 | |||
OT.OT13.EHZ. | 2020-05-20T04:43:13.10 | 3.0 | negative | manual | Pn | -0.72 | 0 | |||
GU.RNCA.HHZ. | 2020-05-20T04:43:10.32 | 3.0 | undecidable | manual | Sn | -0.52 | 0 | |||
IT.RMMM.HGZ. | 2020-05-20T04:43:08.79 | 3.0 | undecidable | manual | Sg | -0.86 | 0 | |||
CH.FUORN.HHZ. | 2020-05-20T04:43:03.80 | 3.0 | undecidable | manual | Pg | 1.55 | 0 | |||
ST.RONC.EHZ. | 2020-05-20T04:42:53.95 | 3.0 | positive | manual | Pg | 0.98 | 0 | |||
IV.CASP.HHZ. | 2020-05-20T04:42:31.57 | 0.3 | undecidable | manual | S | 203 | 43.1235 | 50 | -0.54 | 65 |
IV.RIBO.EHZ.01 | 2020-05-20T04:42:26.03 | 0.3 | undecidable | manual | S | 186 | 22.1556 | 113 | -0.03 | 75 |
IV.CASP.HHZ. | 2020-05-20T04:42:26.43 | 0.3 | undecidable | manual | P | 203 | 43.1235 | 50 | 0.39 | 67 |
IV.TRIF.CHZ. | 2020-05-20T04:42:23.38 | 0.3 | undecidable | manual | S | 256 | 14.4744 | 122 | -0.3 | 72 |
IV.RIBO.EHZ.01 | 2020-05-20T04:42:22.83 | 0.6 | undecidable | manual | P | 186 | 22.1556 | 113 | 0.29 | 48 |
IV.TRIF.CHZ. | 2020-05-20T04:42:21.49 | 0.1 | positive | manual | P | 256 | 14.4744 | 122 | 0.32 | 96 |
IV.FROS.CHZ. | 2020-05-20T04:42:21.95 | 0.3 | undecidable | manual | S | 43 | 9.4794 | 134 | -0.38 | 72 |
IV.FROS.CHZ. | 2020-05-20T04:42:20.54 | 0.1 | undecidable | manual | P | 43 | 9.4794 | 134 | 0.15 | 100 |
IV.FIR.HHZ. | 2020-05-20T04:42:15.77 | 3.0 | undecidable | manual | P | -0.99 | 0 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.TRIF.CHE. | ML:0.5 | 0.000035826505 | 0.0704 | AML | other | m | 2020-05-20T04:42:23.62 |
IV.TRIF.CHN. | ML:0.6 | 0.00004165552 | 0.112 | AML | other | m | 2020-05-20T04:42:23.56 |
IV.RIBO.EHE.01 | ML:0.5 | 0.000018321057300000004 | 0.6592 | AML | other | m | 2020-05-20T04:42:26.09 |
IV.CASP.HHN. | ML:0.5 | 0.000010441366 | 0 | AML | other | m | 2020-05-20T04:42:32.24 |
IV.CASP.HHE. | ML:0.5 | 0.000011158885 | 1.4784 | AML | other | m | 2020-05-20T04:42:31.69 |