A magnitude ML 1.0 earthquake occured in region: 6 km SW Grosseto (GR), on
and geographic coordinates (lat, lon) 42.7100, 11.0780 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 | 6 | 82087 | 82087 |
Castiglione della Pescaia | GR | 17 | 7308 | 89395 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.0 | 2020-07-31 03:25:59 |
42.7102 | 11.078 | 8 | 2020-11-19 12:36:59 |
Bollettino Sismico Italiano INGV | 82557671 |
Reviewed Rev100 |
ML 1.0 | 2020-07-31 03:25:59 |
42.7073 | 11.0828 | 6 | 2020-07-31 03:33:54 |
Sala Sismica INGV-Roma | 81501631 |
Field | Value |
---|---|
Time (UTC) | 2020-07-31 03:25:59 ± 0.1 |
Latitude | 42.7102 ± 0.0063 |
Longitude | 11.0780 ± 0.0086 |
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 | 82557671 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 756 |
Semi-minor axis of confidence ellipse (meter) | 437 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 230 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 760.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 102 |
Number of associated phases, regardless of their use for origin computation | 22 |
Number of defining phases | 21 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.28 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.64122 |
Number of stations at which the event was observed | 12 |
Number of stations from which data was used for origin computation | 11 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.2 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 81501631 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-07-31 03:33:54 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.2 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 82557671 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2020-09-02 08:54:37 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MURB.HHZ. | 2020-07-31T03:26:41.65 | 3.0 | undecidable | manual | S | 0.08 | 0 | |||
IV.MAGO.CHE. | 2020-07-31T03:26:21.55 | 0.3 | undecidable | manual | S | 332 | 71.1732 | 50 | -0.15 | 68 |
IV.FROS.CHZ. | 2020-07-31T03:26:17.98 | 0.3 | undecidable | manual | S | 7 | 55.7997 | 50 | 0.39 | 67 |
TV.SF04.EHZ. | 2020-07-31T03:26:15.59 | 0.3 | undecidable | manual | S | 73 | 49.4172 | 50 | -0.31 | 69 |
TV.SF14.HHE. | 2020-07-31T03:26:14.19 | 0.3 | undecidable | manual | S | 83 | 44.0226 | 50 | -0.26 | 70 |
IV.TRIF.CHZ. | 2020-07-31T03:26:14.79 | 0.3 | undecidable | manual | S | 342 | 47.1195 | 50 | -0.48 | 66 |
TV.SF13.HHE. | 2020-07-31T03:26:14.62 | 0.3 | undecidable | manual | S | 75 | 45.7209 | 50 | -0.28 | 70 |
TV.SF01.EHZ. | 2020-07-31T03:26:13.45 | 0.3 | undecidable | manual | S | 74 | 41.1255 | 50 | -0.22 | 71 |
IV.CELB.HHZ. | 2020-07-31T03:26:12.55 | 0.3 | undecidable | manual | P | 274 | 70.7736 | 50 | 0.27 | 67 |
IV.MAGO.CHE. | 2020-07-31T03:26:12.00 | 0.3 | undecidable | manual | P | 332 | 71.1732 | 50 | -0.33 | 66 |
IV.MAON.HHZ. | 2020-07-31T03:26:10.42 | 0.3 | undecidable | manual | S | 172 | 31.5462 | 104 | -0.41 | 69 |
IV.FROS.CHZ. | 2020-07-31T03:26:10.20 | 0.6 | undecidable | manual | P | 7 | 55.7997 | 50 | 0.24 | 46 |
IV.TRIF.CHZ. | 2020-07-31T03:26:09.10 | 0.3 | undecidable | manual | P | 342 | 47.1195 | 50 | 0.48 | 67 |
TV.SF04.EHZ. | 2020-07-31T03:26:09.20 | 0.3 | undecidable | manual | P | 73 | 49.4172 | 50 | 0.22 | 70 |
TV.SF01.EHZ. | 2020-07-31T03:26:08.10 | 0.6 | undecidable | manual | P | 74 | 41.1255 | 50 | 0.4 | 46 |
IV.RIBO.EHZ.01 | 2020-07-31T03:26:08.93 | 0.6 | undecidable | manual | S | 354 | 26.6511 | 107 | -0.25 | 48 |
TV.SF14.HHE. | 2020-07-31T03:26:08.60 | 0.3 | undecidable | manual | P | 83 | 44.0226 | 50 | 0.45 | 67 |
TV.SF13.HHE. | 2020-07-31T03:26:08.79 | 0.6 | undecidable | manual | P | 75 | 45.7209 | 50 | 0.38 | 45 |
IV.CASP.HHZ. | 2020-07-31T03:26:06.43 | 0.3 | undecidable | manual | S | 297 | 19.4694 | 112 | -0.41 | 71 |
IV.MAON.HHZ. | 2020-07-31T03:26:06.25 | 0.3 | undecidable | manual | P | 172 | 31.5462 | 104 | 0.19 | 73 |
IV.RIBO.EHZ.01 | 2020-07-31T03:26:05.36 | 0.6 | undecidable | manual | P | 354 | 26.6511 | 107 | 0.26 | 48 |
IV.CASP.HHZ. | 2020-07-31T03:26:03.90 | 0.1 | undecidable | manual | P | 297 | 19.4694 | 112 | 0.15 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.CASP.HHE. | ML:1.0 | 0.0000726 | 0.26 | AML | other | m | 2020-07-31T03:26:06.46 |
IV.CASP.HHN. | ML:0.9 | 0.000058099999999999996 | 1.68 | AML | other | m | 2020-07-31T03:26:08.03 |
IV.MAON.HHE. | ML:0.9 | 0.000034500000000000005 | 1.22 | AML | other | m | 2020-07-31T03:26:10.36 |
IV.MAON.HHN. | ML:0.8 | 0.000028 | 1.44 | AML | other | m | 2020-07-31T03:26:12.01 |
IV.CELB.HHN. | ML:1.2 | 0.0000264 | 0.1 | AML | other | m | 2020-07-31T03:26:22.67 |
IV.CELB.HHE. | ML:1.4 | 0.000044200000000000004 | 1.16 | AML | other | m | 2020-07-31T03:26:22.97 |