A magnitude ML 2.0 earthquake occured in region: 8 km W Grosseto (GR), on
and geographic coordinates (lat, lon) 42.7600, 11.0210 at 8 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 |
---|---|---|---|---|
Grosseto | GR | 8 | 82087 | 82087 |
Castiglione della Pescaia | GR | 12 | 7308 | 89395 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 2.0 | 2021-02-16 18:05:29 |
42.7605 | 11.021 | 8 | 2021-07-12 16:55:00 |
Bollettino Sismico Italiano INGV | 87600421 |
Reviewed Rev100 |
ML 2.1 | 2021-02-16 18:05:29 |
42.7663 | 11.0052 | 8 | 2021-02-16 18:16:49 |
Sala Sismica INGV-Roma | 87217171 |
Field | Value |
---|---|
Time (UTC) | 2021-02-16 18:05:29 ± 0.2 |
Latitude | 42.7605 ± 0.0117 |
Longitude | 11.0210 ± 0.0110 |
Depth (km) | 8 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 87600421 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1188 |
Semi-minor axis of confidence ellipse (meter) | 758 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 354 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1190.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 178 |
Number of associated phases, regardless of their use for origin computation | 24 |
Number of defining phases | 21 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.42 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.91011 |
Number of stations at which the event was observed | 15 |
Number of stations from which data was used for origin computation | 12 |
Field | Value |
---|---|
Value | 2.0 |
Uncertainty | 0.1 |
Num. used stations | 9 |
Type of magnitude | ML |
Reference to an origin | 87600421 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-03-19 11:54:23 |
Field | Value |
---|---|
Value | 2.1 |
Uncertainty | 0.2 |
Num. used stations | 13 |
Type of magnitude | ML |
Reference to an origin | 87217171 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-02-16 18:16:49 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CAVE.HHZ. | 2021-02-16T18:06:36.72 | 3.0 | undecidable | manual | Sg | 3.02 | 0 | |||
IV.EUCT.HNZ. | 2021-02-16T18:06:20.65 | 3.0 | undecidable | manual | Pg | 5.88 | 0 | |||
IV.MSSA.HHZ. | 2021-02-16T18:06:04.24 | 3.0 | positive | manual | Pn | 1.76 | 0 | |||
IV.MAGO.CHZ. | 2021-02-16T18:05:49.40 | 0.6 | undecidable | manual | S | 333 | 64.0914 | 50 | -0.43 | 43 |
IV.CELB.HHZ. | 2021-02-16T18:05:49.99 | 0.6 | undecidable | manual | S | 269 | 65.9895 | 50 | -0.36 | 43 |
Z3.A317A.HHN. | 2021-02-16T18:05:47.87 | 0.3 | undecidable | manual | P | 289 | 101.0211 | 50 | 0.93 | 49 |
IV.FROS.CHZ. | 2021-02-16T18:05:46.32 | 0.6 | undecidable | manual | S | 12 | 51.0156 | 50 | -0.03 | 48 |
TV.SF14.HHN. | 2021-02-16T18:05:46.36 | 0.6 | undecidable | manual | S | 91 | 48.3183 | 50 | 0.73 | 40 |
TV.SF04.EHZ. | 2021-02-16T18:05:45.44 | 0.6 | undecidable | manual | S | 81 | 52.7028 | 50 | -1.36 | 29 |
TV.SF03.EHE. | 2021-02-16T18:05:45.78 | 0.6 | undecidable | manual | S | 85 | 54.3012 | 50 | -1.44 | 28 |
IV.CSNT.HHZ. | 2021-02-16T18:05:44.67 | 0.3 | undecidable | manual | P | 15 | 81.9513 | 50 | 0.66 | 57 |
IV.TRIF.CHZ. | 2021-02-16T18:05:42.40 | 0.6 | undecidable | manual | S | 346 | 40.4262 | 50 | -1.13 | 33 |
IV.CELB.HHZ. | 2021-02-16T18:05:41.80 | 0.1 | undecidable | manual | P | 269 | 65.9895 | 50 | 0.25 | 89 |
IV.MAGO.CHZ. | 2021-02-16T18:05:41.10 | 0.3 | undecidable | manual | P | 333 | 64.0914 | 50 | -0.14 | 68 |
TV.SF04.EHZ. | 2021-02-16T18:05:39.56 | 0.1 | positive | manual | P | 81 | 52.7028 | 50 | 0.06 | 94 |
IV.FROS.CHZ. | 2021-02-16T18:05:39.76 | 0.1 | undecidable | manual | P | 12 | 51.0156 | 50 | 0.52 | 85 |
TV.SF03.EHE. | 2021-02-16T18:05:39.74 | 0.3 | undecidable | manual | P | 85 | 54.3012 | 50 | -0.01 | 71 |
IV.MCIV.CHZ. | 2021-02-16T18:05:39.60 | 0.3 | undecidable | manual | P | 88 | 53.4021 | 50 | 0 | 71 |
TV.SF14.HHN. | 2021-02-16T18:05:38.69 | 0.1 | negative | manual | P | 91 | 48.3183 | 50 | -0.14 | 94 |
IV.TRIF.CHZ. | 2021-02-16T18:05:37.92 | 0.1 | undecidable | manual | P | 346 | 40.4262 | 50 | 0.31 | 92 |
IV.RIBO.EHZ. | 2021-02-16T18:05:37.39 | 0.6 | undecidable | manual | S | 6 | 20.9679 | 110 | 0.09 | 50 |
IV.RIBO.EHZ. | 2021-02-16T18:05:34.09 | 0.1 | undecidable | manual | P | 6 | 20.9679 | 110 | 0.08 | 99 |
IV.CASP.HHZ. | 2021-02-16T18:05:34.25 | 0.3 | undecidable | manual | S | 285 | 13.0758 | 120 | -0.56 | 67 |
IV.CASP.HHZ. | 2021-02-16T18:05:32.46 | 0.1 | negative | manual | P | 285 | 13.0758 | 120 | -0.12 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.CASP.HHN. | ML:2.0 | 0.0011275 | 0.1 | AML | other | m | 2021-02-16T18:05:34.37 |
IV.CASP.HHE. | ML:2.1 | 0.0013746064 | 0.1024 | AML | other | m | 2021-02-16T18:05:34.33 |
IV.TRIF.CHN. | ML:2.0 | 0.00032410565000000005 | 0.192 | AML | other | m | 2021-02-16T18:05:42.79 |
IV.TRIF.CHE. | ML:1.8 | 0.00024338375000000002 | 0.1024 | AML | other | m | 2021-02-16T18:05:43.77 |
TV.SF04.EHE. | ML:2.0 | 0.00024248705000000001 | 0.1536 | AML | other | m | 2021-02-16T18:05:45.68 |
TV.SF04.EHN. | ML:2.2 | 0.0003755 | 0.16 | AML | other | m | 2021-02-16T18:05:45.80 |
IV.FROS.CHN. | ML:1.7 | 0.00012481215000000002 | 0.7168 | AML | other | m | 2021-02-16T18:05:46.28 |
IV.CELB.HHE. | ML:2.0 | 0.00020504855 | 0.064 | AML | other | m | 2021-02-16T18:05:49.93 |
IV.CELB.HHN. | ML:1.9 | 0.00013577939 | 0.0512 | AML | other | m | 2021-02-16T18:05:50.21 |