A magnitude ML 1.8 (controlled explosion) earthquake occured in region: Isola Elba (Livorno), on
and geographic coordinates (lat, lon) 42.7620, 10.4620 at 0 km depth.
The earthquake was located by: Bollettino Sismico Italiano INGV.
Event type: controlled explosion.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 |
---|---|---|---|---|
Porto Azzurro | LI | 5 | 3751 | 3751 |
Rio Marina | LI | 7 | 2198 | 5949 |
Capoliveri | LI | 7 | 4033 | 9982 |
Rio nell'Elba | LI | 8 | 1148 | 11130 |
Portoferraio | LI | 12 | 11992 | 23122 |
Campo nell'Elba | LI | 19 | 4805 | 27927 |
Piombino | LI | 19 | 34060 | 61987 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.8 | 2018-11-08 11:46:25 |
42.7617 | 10.4622 | 0 | 2019-06-04 09:16:07 |
Bollettino Sismico Italiano INGV | 64851631 |
Reviewed Rev100 |
ML 1.7 | 2018-11-08 11:46:27 |
42.7563 | 10.5018 | 10 | 2018-11-08 11:56:17 |
Sala Sismica INGV-Roma | 62896661 |
Field | Value |
---|---|
Time (UTC) | 2018-11-08 11:46:25 ± 0.14 |
Latitude | 42.7617 ± 0.0099 |
Longitude | 10.4622 ± 0.0110 |
Depth (km) | 0 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | controlled explosion |
Origin ID | 64851631 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1060 |
Semi-minor axis of confidence ellipse (meter) | 900 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 355 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1060.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 135 |
Number of associated phases, regardless of their use for origin computation | 13 |
Number of defining phases | 13 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.25 |
Epicentral distance of station closest to the epicenter (degree) | 0.29678 |
Epicentral distance of station farthest from the epicenter (degree) | 1.09627 |
Number of stations at which the event was observed | 13 |
Number of stations from which data was used for origin computation | 13 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 0.1 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 62896661 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2018-11-08 11:56:17 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.2 |
Num. used stations | 11 |
Type of magnitude | ML |
Reference to an origin | 64851631 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2019-05-13 09:42:30 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
RD.PGF.BHZ. | 2018-11-08T11:46:47.55 | 0.1 | undecidable | manual | P | 259 | 121.6893 | 50 | -0.01 | 85 |
IV.CSNT.HHZ. | 2018-11-08T11:46:45.30 | 0.6 | undecidable | manual | P | 40 | 103.5186 | 50 | 0.53 | 39 |
TV.SF04.EHZ. | 2018-11-08T11:46:44.17 | 0.1 | undecidable | manual | P | 85 | 97.8243 | 50 | 0.28 | 85 |
IV.MCIV.HHN. | 2018-11-08T11:46:44.21 | 0.1 | undecidable | manual | P | 88 | 98.9232 | 50 | 0.16 | 87 |
TV.SF13.HHN. | 2018-11-08T11:46:43.40 | 0.1 | undecidable | manual | P | 86 | 94.4388 | 50 | 0.04 | 90 |
TV.SF01.EHN. | 2018-11-08T11:46:42.66 | 0.3 | undecidable | manual | P | 86 | 89.8434 | 50 | 0.01 | 68 |
IV.ARCI.HHZ. | 2018-11-08T11:46:41.45 | 0.1 | undecidable | manual | P | 83 | 83.0502 | 50 | -0.16 | 89 |
IV.FROS.HHZ. | 2018-11-08T11:46:40.75 | 0.1 | undecidable | manual | P | 48 | 75.0693 | 50 | 0.36 | 87 |
IV.MAON.HHZ. | 2018-11-08T11:46:38.70 | 0.1 | undecidable | manual | P | 124 | 65.9895 | 50 | -0.28 | 90 |
IV.MAGO.HHZ. | 2018-11-08T11:46:37.71 | 0.1 | undecidable | manual | P | 16 | 58.8966 | 90 | -0.08 | 95 |
IV.TRIF.HHE. | 2018-11-08T11:46:36.04 | 0.3 | undecidable | manual | P | 42 | 53.0025 | 90 | -0.58 | 64 |
IV.RIBO.EHZ.01 | 2018-11-08T11:46:36.17 | 0.3 | undecidable | manual | P | 66 | 51.8037 | 90 | -0.21 | 70 |
IV.CASP.HHZ. | 2018-11-08T11:46:32.66 | 0.1 | positive | manual | P | 84 | 32.9448 | 90 | 0.07 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.CASP.HHE. | ML:1.4 | 0.0001193255 | 0.4992 | AML | other | m | 2018-11-08T11:46:45.78 |
IV.CASP.HHN. | ML:1.5 | 0.00014550849999999998 | 0.3392 | AML | other | m | 2018-11-08T11:46:38.08 |
IV.RIBO.EHE.01 | ML:2.0 | 0.00022582055 | 0.736 | AML | other | m | 2018-11-08T11:46:55.80 |
IV.MAGO.HHN. | ML:2.0 | 0.00020696235000000003 | 0.1088 | AML | other | m | 2018-11-08T11:46:48.46 |
IV.MAGO.HHE. | ML:1.8 | 0.00013202245000000002 | 0.192 | AML | other | m | 2018-11-08T11:46:49.30 |
IV.MAON.HHE. | ML:1.8 | 0.000130880685 | 0.3776 | AML | other | m | 2018-11-08T11:46:49.01 |
IV.MAON.HHN. | ML:1.8 | 0.00011579985 | 0.2368 | AML | other | m | 2018-11-08T11:46:49.10 |
IV.ARCI.HHN. | ML:1.8 | 0.000073053705 | 0.4608 | AML | other | m | 2018-11-08T11:46:55.18 |
IV.ARCI.HHE. | ML:1.6 | 0.000057378590000000006 | 0.2752 | AML | other | m | 2018-11-08T11:46:57.00 |
TV.SF04.EHE. | ML:2.1 | 0.000122358165 | 0.2432 | AML | other | m | 2018-11-08T11:46:46.35 |
TV.SF04.EHN. | ML:1.9 | 0.00008610435 | 0.2624 | AML | other | m | 2018-11-08T11:46:59.78 |