A magnitude ML 1.1 earthquake occured in region: 2 km SW Chiusdino (SI), on
and geographic coordinates (lat, lon) 43.1430, 11.0790 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 | 8 | 1571 | 4678 |
Radicondoli | SI | 14 | 914 | 5592 |
Castelnuovo di Val di Cecina | PI | 16 | 2231 | 7823 |
Roccastrada | GR | 16 | 9199 | 17022 |
Monterotondo Marittimo | GR | 18 | 1371 | 18393 |
Massa Marittima | GR | 19 | 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 03:45:53 |
43.1428 | 11.0793 | 9 | 2020-05-20 03:51:03 |
Sala Sismica INGV-Roma | 79352171 |
Field | Value |
---|---|
Time (UTC) | 2020-05-20 03:45:53 ± 0.19 |
Latitude | 43.1428 ± 0.0117 |
Longitude | 11.0793 ± 0.0148 |
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 | 79352171 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1425 |
Semi-minor axis of confidence ellipse (meter) | 836 |
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) | 1430.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 142 |
Number of associated phases, regardless of their use for origin computation | 10 |
Number of defining phases | 10 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.38 |
Epicentral distance of station closest to the epicenter (degree) | 0.08723 |
Epicentral distance of station farthest from the epicenter (degree) | 0.41009 |
Number of stations at which the event was observed | 5 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.3 |
Num. used stations | 11 |
Type of magnitude | ML |
Reference to an origin | 79352171 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-05-20 03:51:03 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ARCI.HHZ. | 2020-05-20T03:46:08.06 | 0.6 | undecidable | manual | S | 135 | 45.5211 | 50 | -0.73 | 40 |
IV.CASP.HHZ. | 2020-05-20T03:46:07.61 | 0.3 | undecidable | manual | S | 204 | 42.7239 | 50 | -0.43 | 66 |
IV.CASP.HHZ. | 2020-05-20T03:46:02.38 | 0.6 | positive | manual | P | 204 | 42.7239 | 50 | 0.36 | 45 |
IV.ARCI.HHZ. | 2020-05-20T03:46:02.92 | 0.1 | undecidable | manual | P | 135 | 45.5211 | 50 | 0.47 | 87 |
IV.RIBO.EHZ.01 | 2020-05-20T03:46:01.98 | 0.3 | undecidable | manual | S | 187 | 21.6672 | 113 | -0.02 | 75 |
IV.TRIF.CHZ. | 2020-05-20T03:45:59.53 | 0.3 | undecidable | manual | S | 258 | 14.6742 | 123 | -0.31 | 72 |
IV.RIBO.EHZ.01 | 2020-05-20T03:45:58.86 | 0.6 | negative | manual | P | 187 | 21.6672 | 113 | 0.33 | 47 |
IV.FROS.CHZ. | 2020-05-20T03:45:58.09 | 0.3 | undecidable | manual | S | 40 | 9.6792 | 134 | -0.39 | 71 |
IV.TRIF.CHZ. | 2020-05-20T03:45:57.53 | 0.1 | negative | manual | P | 258 | 14.6742 | 123 | 0.24 | 97 |
IV.FROS.CHZ. | 2020-05-20T03:45:56.63 | 0.1 | negative | manual | P | 40 | 9.6792 | 134 | 0.13 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.FROS.CHE. | ML:1.4 | 0.000375793 | 0.1056 | AML | other | m | 2020-05-20T03:45:58.47 |
IV.FROS.CHN. | ML:1.3 | 0.00025729185 | 0.112 | AML | other | m | 2020-05-20T03:45:58.36 |
IV.TRIF.CHE. | ML:1.0 | 0.000090681265 | 0.1056 | AML | other | m | 2020-05-20T03:45:59.68 |
IV.TRIF.CHN. | ML:1.0 | 0.000089667495 | 0.112 | AML | other | m | 2020-05-20T03:45:59.62 |
IV.RIBO.EHE.01 | ML:1.0 | 0.000065263895 | 0.1184 | AML | other | m | 2020-05-20T03:46:02.36 |
IV.CASP.HHN. | ML:1.0 | 0.00003262533 | 0.0992 | AML | other | m | 2020-05-20T03:46:08.03 |
IV.CASP.HHE. | ML:1.2 | 0.000049835580000000006 | 0.1216 | AML | other | m | 2020-05-20T03:46:07.78 |
IV.ARCI.HNN. | ML:1.6 | 0.00013180013 | 0.832 | AML | other | m | 2020-05-20T03:46:19.20 |
IV.ARCI.HHE. | ML:0.8 | 0.000018241399999999998 | 1.4176 | AML | other | m | 2020-05-20T03:46:17.72 |
IV.ARCI.HHN. | ML:0.7 | 0.0000143256265 | 1.28 | AML | other | m | 2020-05-20T03:46:21.02 |
IV.ARCI.HNE. | ML:1.6 | 0.00010803635 | 0.6016 | AML | other | m | 2020-05-20T03:46:18.10 |