A magnitude ML 1.6 (controlled explosion) earthquake occured in region: Costa Toscana livornese (Livorno), on
and geographic coordinates (lat, lon) 43.3280, 10.3040 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 |
---|---|---|---|---|
Rosignano Marittimo | LI | 16 | 31394 | 31394 |
Cecina | LI | 18 | 28046 | 59440 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.6 | 2017-08-26 10:48:50 |
43.3277 | 10.3037 | 0 | 2018-07-06 15:40:36 |
Bollettino Sismico Italiano INGV | 53490351 |
Reviewed Rev100 |
ML 1.6 | 2017-08-26 10:48:51 |
43.3242 | 10.2778 | 9 | 2017-08-26 11:03:14 |
Sala Sismica INGV-Roma | 49383481 |
Field | Value |
---|---|
Time (UTC) | 2017-08-26 10:48:50 ± 0.07 |
Latitude | 43.3277 ± 0.0045 |
Longitude | 10.3037 ± 0.0074 |
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 | 53490351 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 630 |
Semi-minor axis of confidence ellipse (meter) | 500 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 240 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 630.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 57 |
Number of associated phases, regardless of their use for origin computation | 26 |
Number of defining phases | 19 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.21 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 1.23207 |
Number of stations at which the event was observed | 26 |
Number of stations from which data was used for origin computation | 19 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | 0.1 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 53490351 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2018-02-05 09:38:19 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | 0.1 |
Num. used stations | 14 |
Type of magnitude | ML |
Reference to an origin | 49383481 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2017-08-26 11:03:14 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
MN.CLTB.HHZ. | 2017-08-26T10:50:40.97 | 3.0 | positive | manual | Pg | 18.98 | 0 | |||
IV.CRAC.EHZ. | 2017-08-26T10:50:13.46 | 3.0 | positive | manual | Pn | 1.3 | 0 | |||
IV.VITU.HHZ. | 2017-08-26T10:50:05.40 | 3.0 | undecidable | manual | Pg | 15.01 | 0 | |||
IV.TEOL.HHZ. | 2017-08-26T10:50:00.11 | 3.0 | undecidable | manual | Sn | 2.29 | 0 | |||
IV.VIVA.HHZ. | 2017-08-26T10:49:59.48 | 3.0 | undecidable | manual | Sn | -2.02 | 0 | |||
IV.CESX.HHZ. | 2017-08-26T10:49:53.72 | 3.0 | undecidable | manual | Sg | 6.62 | 0 | |||
IV.T1299.EHZ. | 2017-08-26T10:49:28.28 | 3.0 | undecidable | manual | Pn | -0.55 | 0 | |||
RD.PGF.BHN. | 2017-08-26T10:49:13.73 | 0.3 | undecidable | manual | P | 231 | 136.7631 | 50 | -0.55 | 57 |
TV.SF01.EHZ. | 2017-08-26T10:49:11.45 | 0.3 | undecidable | manual | P | 119 | 116.994 | 50 | 0.2 | 65 |
IV.ARCI.HHZ. | 2017-08-26T10:49:10.19 | 0.1 | undecidable | manual | P | 119 | 108.6135 | 50 | 0.24 | 87 |
IV.MOCL.EHZ. | 2017-08-26T10:49:09.14 | 0.3 | undecidable | manual | P | 43 | 102.9192 | 50 | 0.06 | 68 |
GU.SARM.EHZ. | 2017-08-26T10:49:07.76 | 0.3 | undecidable | manual | P | 5 | 95.3379 | 50 | -0.14 | 68 |
GU.EQUI.HHZ. | 2017-08-26T10:49:07.77 | 0.3 | undecidable | manual | P | 353 | 93.7395 | 50 | 0.1 | 69 |
IV.MTCR.EHZ. | 2017-08-26T10:49:07.89 | 0.1 | undecidable | manual | P | 36 | 95.8263 | 50 | -0.09 | 92 |
GU.POPM.HHZ. | 2017-08-26T10:49:06.49 | 0.1 | positive | manual | P | 24 | 87.5457 | 50 | -0.21 | 91 |
IV.PLMA.HHE. | 2017-08-26T10:49:06.37 | 0.3 | undecidable | manual | P | 336 | 87.8454 | 50 | -0.39 | 66 |
IV.OSSC.HNN. | 2017-08-26T10:49:05.55 | 0.3 | undecidable | manual | P | 74 | 78.9654 | 50 | 0.17 | 70 |
IV.CSNT.HHE. | 2017-08-26T10:49:05.94 | 0.3 | undecidable | manual | P | 78 | 81.1521 | 50 | 0.22 | 69 |
IV.CRMI.HHZ. | 2017-08-26T10:49:04.68 | 0.1 | positive | manual | P | 46 | 75.1692 | 50 | -0.12 | 95 |
IV.CASP.HHZ. | 2017-08-26T10:49:04.68 | 0.1 | positive | manual | P | 142 | 74.9694 | 50 | -0.09 | 96 |
IV.RIBO.EHZ.01 | 2017-08-26T10:49:04.75 | 0.3 | undecidable | manual | P | 125 | 73.371 | 50 | 0.23 | 70 |
IV.FROS.HHE. | 2017-08-26T10:49:03.86 | 0.6 | undecidable | manual | P | 100 | 70.0743 | 50 | -0.16 | 48 |
IV.CELB.HHE. | 2017-08-26T10:49:03.22 | 0.3 | undecidable | manual | P | 187 | 64.8906 | 50 | 0 | 75 |
IV.TRIF.HHZ. | 2017-08-26T10:49:00.95 | 0.1 | undecidable | manual | P | 116 | 53.9016 | 90 | -0.24 | 97 |
IV.PII.HHZ. | 2017-08-26T10:48:59.99 | 0.1 | undecidable | manual | P | 22 | 47.2194 | 90 | 0.14 | 100 |
IV.GROG.HHZ. | 2017-08-26T10:48:57.83 | 0.1 | positive | manual | P | 288 | 34.9428 | 90 | 0.44 | 96 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.GROG.HHN. | ML:1.6 | 0.000176 | 0.4 | AML | other | m | 2017-08-26T10:49:04.68 |
IV.GROG.HHE. | ML:1.7 | 0.00023199999999999997 | 0.66 | AML | other | m | 2017-08-26T10:49:06.92 |
GU.POPM.HHE. | ML:1.4 | 0.0000276 | 1.14 | AML | other | m | 2017-08-26T10:49:08.93 |
IV.PII.HHN. | ML:1.4 | 0.0000747 | 0.32 | AML | other | m | 2017-08-26T10:49:09.35 |
IV.PII.HHE. | ML:1.5 | 0.00009275 | 0.78 | AML | other | m | 2017-08-26T10:49:09.43 |
GU.POPM.HHN. | ML:1.5 | 0.0000348 | 1.16 | AML | other | m | 2017-08-26T10:49:09.83 |
IV.ARCI.HHE. | ML:1.5 | 0.000025450000000000002 | 0.86 | AML | other | m | 2017-08-26T10:49:12.29 |
IV.CASP.HHN. | ML:1.7 | 0.00008115 | 1.06 | AML | other | m | 2017-08-26T10:49:17.80 |
IV.CASP.HHE. | ML:1.6 | 0.00006335 | 1.06 | AML | other | m | 2017-08-26T10:49:18.07 |
IV.TRIF.HHE. | ML:1.7 | 0.0001075 | 0.58 | AML | other | m | 2017-08-26T10:49:18.90 |
IV.TRIF.HHN. | ML:1.5 | 0.00007375 | 1.32 | AML | other | m | 2017-08-26T10:49:19.32 |
IV.ARCI.HHN. | ML:1.7 | 0.0000376 | 0.84 | AML | other | m | 2017-08-26T10:49:35.99 |