A magnitude ML 1.2 earthquake occured in region: 2 km S Chiusdino (SI), on
and geographic coordinates (lat, lon) 43.1420, 11.0840 at 9 km depth.
The earthquake was located by: Bollettino Sismico Italiano INGV.
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 | 6 | 1204 | 3107 |
Monticiano | SI | 8 | 1571 | 4678 |
Radicondoli | SI | 14 | 914 | 5592 |
Roccastrada | GR | 16 | 9199 | 14791 |
Castelnuovo di Val di Cecina | PI | 16 | 2231 | 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 |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.2 | 2020-05-20 07:40:08 |
43.1417 | 11.0838 | 9 | 2020-11-19 12:36:56 |
Bollettino Sismico Italiano INGV | 81671111 |
Reviewed Rev100 |
ML 1.5 | 2020-05-20 07:40:08 |
43.1417 | 11.0777 | 9 | 2020-05-20 07:46:02 |
Sala Sismica INGV-Roma | 79355821 |
Field | Value |
---|---|
Time (UTC) | 2020-05-20 07:40:08 ± 0.18 |
Latitude | 43.1417 ± 0.0099 |
Longitude | 11.0838 ± 0.0136 |
Depth (km) | 9 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 81671111 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1245 |
Semi-minor axis of confidence ellipse (meter) | 803 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 320 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1250.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 139 |
Number of associated phases, regardless of their use for origin computation | 28 |
Number of defining phases | 11 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.37 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.48114 |
Number of stations at which the event was observed | 23 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | 0.3 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 79355821 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-05-20 07:46:02 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.3 |
Num. used stations | 11 |
Type of magnitude | ML |
Reference to an origin | 81671111 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2020-08-05 10:06:31 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MUCR.HHZ. | 2020-05-20T07:41:54.49 | 3.0 | positive | manual | Pg | 22.98 | 0 | |||
CR.ZAG.BHZ. | 2020-05-20T07:41:51.68 | 3.0 | undecidable | manual | Sn | 2.47 | 0 | |||
OT.OT05.EHZ. | 2020-05-20T07:41:42.87 | 3.0 | undecidable | manual | Sn | -1.12 | 0 | |||
IV.ECTS.HHZ. | 2020-05-20T07:41:41.26 | 3.0 | undecidable | manual | Pn | 6.56 | 0 | |||
IV.PTRJ.HHZ. | 2020-05-20T07:41:39.99 | 3.0 | undecidable | manual | Sn | 7.39 | 0 | |||
CR.STON.BHZ. | 2020-05-20T07:41:31.40 | 3.0 | positive | manual | Pg | 18.75 | 0 | |||
IV.ROSPO.HHZ. | 2020-05-20T07:41:30.98 | 3.0 | undecidable | manual | Sn | 4.63 | 0 | |||
IV.LPEL.HHZ. | 2020-05-20T07:41:28.00 | 3.0 | undecidable | manual | Sg | 10.85 | 0 | |||
IV.ERC.EHZ. | 2020-05-20T07:41:19.50 | 3.0 | undecidable | manual | Pn | -3.87 | 0 | |||
IV.EUCT.HNZ. | 2020-05-20T07:40:57.67 | 3.0 | undecidable | manual | Sg | 0.78 | 0 | |||
IV.ARRO.EHZ. | 2020-05-20T07:40:47.97 | 3.0 | undecidable | manual | Sn | -0.89 | 0 | |||
IV.FAGN.HHZ. | 2020-05-20T07:40:44.92 | 3.0 | positive | manual | Pg | 8.03 | 0 | |||
IV.SBPO.HNZ. | 2020-05-20T07:40:42.33 | 3.0 | undecidable | manual | Sg | 1.16 | 0 | |||
IV.CRND.HNZ. | 2020-05-20T07:40:41.10 | 3.0 | undecidable | manual | Pg | 5.29 | 0 | |||
CH.MUGIO.HHZ. | 2020-05-20T07:40:38.12 | 3.0 | undecidable | manual | Pn | -2.56 | 0 | |||
IV.NDIM.HHZ. | 2020-05-20T07:40:35.13 | 3.0 | undecidable | manual | Sg | -2.06 | 0 | |||
IV.CASP.HHZ. | 2020-05-20T07:40:22.04 | 0.3 | undecidable | manual | S | 205 | 42.8238 | 50 | -0.41 | 67 |
IV.ARCI.HHZ. | 2020-05-20T07:40:22.49 | 0.3 | undecidable | manual | S | 135 | 45.2214 | 50 | -0.6 | 63 |
IV.PIEI.HHZ. | 2020-05-20T07:40:21.41 | 3.0 | undecidable | manual | Pg | 1.44 | 0 | |||
TV.SF01.EHZ. | 2020-05-20T07:40:18.30 | 0.6 | undecidable | manual | P | 133 | 53.4021 | 50 | 0.26 | 45 |
IV.ARCI.HHZ. | 2020-05-20T07:40:17.03 | 0.3 | undecidable | manual | P | 135 | 45.2214 | 50 | 0.25 | 69 |
IV.RIBO.EHZ.01 | 2020-05-20T07:40:16.21 | 0.1 | undecidable | manual | S | 188 | 21.5673 | 113 | -0.09 | 99 |
IV.CASP.HHZ. | 2020-05-20T07:40:16.92 | 0.3 | undecidable | manual | P | 205 | 42.8238 | 50 | 0.51 | 65 |
IV.TRIF.CHZ. | 2020-05-20T07:40:13.81 | 0.3 | undecidable | manual | S | 259 | 14.9739 | 122 | -0.45 | 69 |
IV.RIBO.EHZ.01 | 2020-05-20T07:40:13.25 | 0.1 | undecidable | manual | P | 188 | 21.5673 | 113 | 0.39 | 93 |
IV.FROS.CHZ. | 2020-05-20T07:40:12.42 | 0.3 | undecidable | manual | S | 38 | 9.5793 | 134 | -0.34 | 72 |
IV.TRIF.CHZ. | 2020-05-20T07:40:11.86 | 0.1 | undecidable | manual | P | 259 | 14.9739 | 122 | 0.18 | 98 |
IV.FROS.CHZ. | 2020-05-20T07:40:10.95 | 0.1 | undecidable | manual | P | 38 | 9.5793 | 134 | 0.13 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.FROS.CHE. | ML:1.7 | 0.0006519349500000001 | 0.1024 | AML | other | m | 2020-05-20T07:40:12.82 |
IV.FROS.CHN. | ML:1.5 | 0.00041168845 | 0.1088 | AML | other | m | 2020-05-20T07:40:12.71 |
IV.TRIF.CHN. | ML:1.3 | 0.0001789012 | 0.096 | AML | other | m | 2020-05-20T07:40:14.01 |
IV.TRIF.CHE. | ML:1.2 | 0.00017162225 | 0.1216 | AML | other | m | 2020-05-20T07:40:14.11 |
IV.RIBO.EHE.01 | ML:1.4 | 0.00016406445 | 0.1792 | AML | other | m | 2020-05-20T07:40:16.50 |
IV.CASP.HHE. | ML:1.0 | 0.0000276245093 | 0.1024 | AML | other | m | 2020-05-20T07:40:22.50 |
IV.CASP.HHN. | ML:1.0 | 0.00003313559 | 0.1024 | AML | other | m | 2020-05-20T07:40:22.37 |
IV.ARCI.HHN. | ML:0.7 | 0.000016915 | 0.1152 | AML | other | m | 2020-05-20T07:40:23.56 |
IV.ARCI.HHE. | ML:0.7 | 0.0000151776575 | 0.1408 | AML | other | m | 2020-05-20T07:40:23.45 |
TV.SF01.EHN. | ML:1.2 | 0.00003366997 | 0.2176 | AML | other | m | 2020-05-20T07:40:26.49 |
TV.SF01.EHE. | ML:1.2 | 0.000041801705000000004 | 0.32 | AML | other | m | 2020-05-20T07:40:26.36 |