A magnitude ML 1.6 earthquake occured in region: 6 km NW Chiusdino (SI), on
and geographic coordinates (lat, lon) 43.1870, 11.0310 at 6 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 | 6 | 1903 | 1903 |
Montieri | GR | 6 | 1204 | 3107 |
Radicondoli | SI | 8 | 914 | 4021 |
Castelnuovo di Val di Cecina | PI | 10 | 2231 | 6252 |
Monticiano | SI | 13 | 1571 | 7823 |
Monterotondo Marittimo | GR | 15 | 1371 | 9194 |
Casole d'Elsa | SI | 17 | 3897 | 13091 |
Pomarance | PI | 18 | 5897 | 18988 |
Massa Marittima | GR | 19 | 8375 | 27363 |
Sovicille | SI | 19 | 10116 | 37479 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.6 | 2020-04-16 02:15:10 |
43.1868 | 11.0307 | 6 | 2020-07-18 21:08:33 |
Bollettino Sismico Italiano INGV | 78314491 |
Reviewed Rev100 |
ML 1.8 | 2020-04-16 02:15:10 |
43.1907 | 11.0253 | 5 | 2020-04-16 02:27:00 |
Sala Sismica INGV-Roma | 78259801 |
Field | Value |
---|---|
Time (UTC) | 2020-04-16 02:15:10 ± 0.09 |
Latitude | 43.1868 ± 0.0036 |
Longitude | 11.0307 ± 0.0062 |
Depth (km) | 6 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 78314491 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 444 |
Semi-minor axis of confidence ellipse (meter) | 291 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 100 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 440.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 56 |
Number of associated phases, regardless of their use for origin computation | 42 |
Number of defining phases | 36 |
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) | 0.99105 |
Number of stations at which the event was observed | 24 |
Number of stations from which data was used for origin computation | 19 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.4 |
Num. used stations | 22 |
Type of magnitude | ML |
Reference to an origin | 78259801 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-04-16 02:27:00 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | 0.3 |
Num. used stations | 21 |
Type of magnitude | ML |
Reference to an origin | 78314491 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2020-04-17 09:57:45 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.PAOL.HHZ. | 2020-04-16T02:17:00.59 | 3.0 | undecidable | manual | Sg | 11.78 | 0 | |||
OX.MPRI.HHZ. | 2020-04-16T02:16:50.95 | 3.0 | undecidable | manual | Sg | 3.85 | 0 | |||
IV.SPS2.HHZ. | 2020-04-16T02:16:37.41 | 3.0 | positive | manual | Pn | 1.25 | 0 | |||
OX.MPRI.HHZ. | 2020-04-16T02:16:15.36 | 3.0 | undecidable | manual | Pg | 10.13 | 0 | |||
IV.ROSPO.HHZ. | 2020-04-16T02:16:03.90 | 3.0 | positive | manual | Pn | 2.82 | 0 | |||
IV.ORZI.HHZ. | 2020-04-16T02:15:56.15 | 3.0 | positive | manual | Pg | 4.92 | 0 | |||
IV.PARC.HHZ. | 2020-04-16T02:15:43.50 | 0.3 | undecidable | manual | S | 62 | 110.0121 | 50 | 0.05 | 64 |
IV.BDI.HHZ. | 2020-04-16T02:15:41.18 | 0.3 | undecidable | manual | S | 340 | 103.2189 | 50 | -0.47 | 59 |
IV.RONT.HHZ. | 2020-04-16T02:15:40.13 | 0.1 | undecidable | manual | S | 20 | 95.1381 | 50 | 0.64 | 75 |
IV.MAON.HHZ. | 2020-04-16T02:15:37.36 | 0.1 | undecidable | manual | S | 174 | 84.5487 | 50 | 0.7 | 75 |
IV.CRE.HHZ. | 2020-04-16T02:15:37.79 | 0.1 | undecidable | manual | S | 57 | 88.3449 | 50 | 0.11 | 88 |
IV.MPPT.EHZ. | 2020-04-16T02:15:37.27 | 0.1 | undecidable | manual | S | 3 | 85.6476 | 50 | 0.32 | 84 |
IV.CRMI.HHZ. | 2020-04-16T02:15:32.01 | 0.1 | undecidable | manual | S | 357 | 67.6767 | 50 | -0.14 | 91 |
IV.PII.HHZ. | 2020-04-16T02:15:32.46 | 0.1 | undecidable | manual | S | 326 | 71.9724 | 50 | -0.84 | 72 |
IV.PARC.HHZ. | 2020-04-16T02:15:30.07 | 0.1 | undecidable | manual | P | 62 | 110.0121 | 50 | 0.54 | 76 |
TV.SF04.EHZ. | 2020-04-16T02:15:30.61 | 0.1 | undecidable | manual | S | 127 | 64.2912 | 50 | -0.63 | 80 |
TV.SF01.EHZ. | 2020-04-16T02:15:29.93 | 0.1 | undecidable | manual | S | 134 | 59.9955 | 50 | -0.17 | 91 |
GU.POPM.HHZ. | 2020-04-16T02:15:28.05 | 0.1 | undecidable | manual | P | 347 | 97.7244 | 50 | 0.42 | 81 |
IV.BDI.HHZ. | 2020-04-16T02:15:28.81 | 0.1 | undecidable | manual | P | 340 | 103.2189 | 50 | 0.32 | 82 |
IV.RONT.HHZ. | 2020-04-16T02:15:27.51 | 0.3 | undecidable | manual | P | 20 | 95.1381 | 50 | 0.27 | 63 |
IV.ARCI.HHZ. | 2020-04-16T02:15:27.35 | 0.1 | undecidable | manual | S | 136 | 51.8037 | 50 | -0.57 | 84 |
IV.MAON.HHZ. | 2020-04-16T02:15:26.34 | 0.1 | undecidable | manual | P | 174 | 84.5487 | 50 | 0.73 | 74 |
IV.CRE.HHZ. | 2020-04-16T02:15:26.70 | 0.1 | undecidable | manual | P | 57 | 88.3449 | 50 | 0.5 | 81 |
IV.MPPT.EHZ. | 2020-04-16T02:15:25.79 | 0.1 | undecidable | manual | P | 3 | 85.6476 | 50 | 0.02 | 90 |
IV.CASP.HHZ. | 2020-04-16T02:15:25.92 | 0.1 | undecidable | manual | S | 197 | 45.9207 | 50 | -0.44 | 89 |
IV.PII.HHZ. | 2020-04-16T02:15:23.54 | 0.1 | undecidable | manual | P | 326 | 71.9724 | 50 | -0.13 | 90 |
IV.FIR.HNE. | 2020-04-16T02:15:23.56 | 0.3 | undecidable | manual | P | 15 | 67.5768 | 50 | 0.56 | 62 |
IV.CSNT.HHZ. | 2020-04-16T02:15:23.36 | 0.1 | undecidable | manual | S | 33 | 38.0286 | 99 | -0.51 | 88 |
TV.SF04.EHZ. | 2020-04-16T02:15:22.33 | 0.1 | undecidable | manual | P | 127 | 64.2912 | 50 | -0.15 | 91 |
IV.CRMI.HHZ. | 2020-04-16T02:15:22.71 | 0.1 | undecidable | manual | P | 357 | 67.6767 | 50 | -0.29 | 88 |
IV.MAGO.CHZ. | 2020-04-16T02:15:21.02 | 0.1 | undecidable | manual | S | 288 | 31.6461 | 101 | -0.65 | 84 |
TV.SF01.EHZ. | 2020-04-16T02:15:21.89 | 0.1 | undecidable | manual | P | 134 | 59.9955 | 50 | 0.07 | 93 |
IV.ARCI.HHZ. | 2020-04-16T02:15:20.39 | 0.1 | undecidable | manual | P | 136 | 51.8037 | 50 | -0.17 | 93 |
IV.CASP.HHZ. | 2020-04-16T02:15:19.65 | 0.1 | undecidable | manual | P | 197 | 45.9207 | 50 | -0.01 | 97 |
IV.RIBO.EHZ.01 | 2020-04-16T02:15:19.41 | 0.1 | undecidable | manual | S | 177 | 26.4513 | 103 | -0.5 | 90 |
IV.CSNT.HHZ. | 2020-04-16T02:15:17.83 | 0.1 | positive | manual | P | 33 | 38.0286 | 99 | -0.4 | 91 |
IV.RIBO.EHZ.01 | 2020-04-16T02:15:16.13 | 0.1 | positive | manual | P | 177 | 26.4513 | 103 | 0.19 | 97 |
IV.MAGO.CHZ. | 2020-04-16T02:15:16.95 | 0.1 | undecidable | manual | P | 288 | 31.6461 | 101 | -0.01 | 99 |
IV.TRIF.CHZ. | 2020-04-16T02:15:15.87 | 0.1 | undecidable | manual | S | 232 | 13.0758 | 115 | 0.36 | 95 |
IV.FROS.CHZ. | 2020-04-16T02:15:14.54 | 0.1 | undecidable | manual | S | 76 | 10.4784 | 120 | -0.16 | 100 |
IV.TRIF.CHZ. | 2020-04-16T02:15:13.93 | 0.1 | positive | manual | P | 232 | 13.0758 | 115 | 0.53 | 91 |
IV.FROS.CHZ. | 2020-04-16T02:15:13.17 | 0.1 | positive | manual | P | 76 | 10.4784 | 120 | 0.24 | 98 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.FROS.CHE. | ML:2.2 | 0.0023689625 | 0.224 | AML | other | m | 2020-04-16T02:15:14.97 |
IV.FROS.CHN. | ML:2.5 | 0.004870339 | 0.216 | AML | other | m | 2020-04-16T02:15:15.08 |
IV.TRIF.CHN. | ML:2.2 | 0.0018991560000000002 | 0.104 | AML | other | m | 2020-04-16T02:15:16.53 |
IV.TRIF.CHE. | ML:2.1 | 0.0014679035 | 0.144 | AML | other | m | 2020-04-16T02:15:16.84 |
IV.MAGO.CHE. | ML:1.5 | 0.00015418204999999999 | 0.096 | AML | other | m | 2020-04-16T02:15:22.17 |
IV.MAGO.CHN. | ML:1.7 | 0.0002247942 | 0.12 | AML | other | m | 2020-04-16T02:15:22.26 |
IV.CSNT.HHN. | ML:1.6 | 0.00015693544999999996 | 0.2208 | AML | other | m | 2020-04-16T02:15:22.83 |
IV.CSNT.HHE. | ML:1.6 | 0.00014822360000000002 | 0.2192 | AML | other | m | 2020-04-16T02:15:22.98 |
TV.SF01.EHN. | ML:1.6 | 0.00008568052599999999 | 0.16 | AML | other | m | 2020-04-16T02:15:30.32 |
TV.SF01.EHE. | ML:1.6 | 0.000080852085 | 0.1808 | AML | other | m | 2020-04-16T02:15:30.31 |
TV.SF04.EHN. | ML:1.8 | 0.000113179995 | 0.1392 | AML | other | m | 2020-04-16T02:15:32.37 |
TV.SF04.EHE. | ML:1.7 | 0.000094080105 | 0.1008 | AML | other | m | 2020-04-16T02:15:32.01 |
IV.PII.HHN. | ML:1.3 | 0.000031596785 | 0.2592 | AML | other | m | 2020-04-16T02:15:33.21 |
IV.PII.HHE. | ML:1.3 | 0.00003393775 | 0.2816 | AML | other | m | 2020-04-16T02:15:33.29 |
IV.MAON.HHN. | ML:1.8 | 0.00007827123499999999 | 0.1792 | AML | other | m | 2020-04-16T02:15:38.13 |
IV.MAON.HHE. | ML:1.8 | 0.00008020965499999999 | 0.2 | AML | other | m | 2020-04-16T02:15:38.01 |
IV.CRE.HHE. | ML:1.3 | 0.000025879235 | 0.4816 | AML | other | m | 2020-04-16T02:15:37.99 |
GU.POPM.HHE. | ML:1.5 | 0.000033428 | 0.2192 | AML | other | m | 2020-04-16T02:15:43.53 |
GU.POPM.HHN. | ML:1.4 | 0.000027481594999999998 | 0.36 | AML | other | m | 2020-04-16T02:15:42.77 |
IV.BDI.HHN. | ML:1.0 | 0.000011199075 | 0.32 | AML | other | m | 2020-04-16T02:15:42.65 |
IV.PARC.HHN. | ML:1.2 | 0.00001468887 | 0.56 | AML | other | m | 2020-04-16T02:15:47.20 |