A magnitude ML 1.8 earthquake occured in region: Costa Toscana livornese (Livorno), on
and geographic coordinates (lat, lon) 43.4470, 10.2080 at 10 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 |
---|---|---|---|---|
Livorno | LI | 14 | 159219 | 159219 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.8 | 2021-11-20 05:15:54 |
43.4467 | 10.208 | 10 | 2022-03-30 13:04:20 |
Bollettino Sismico Italiano INGV | 98248291 |
Reviewed Rev100 |
ML 1.9 | 2021-11-20 05:15:55 |
43.4487 | 10.2183 | 14 | 2021-11-20 05:50:19 |
Sala Sismica INGV-Roma | 97616211 |
Field | Value |
---|---|
Time (UTC) | 2021-11-20 05:15:54 ± 0.16 |
Latitude | 43.4467 ± 0.0081 |
Longitude | 10.2080 ± 0.0173 |
Depth (km) | 10 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 98248291 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1169 |
Semi-minor axis of confidence ellipse (meter) | 906 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 105 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1170.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 105 |
Number of associated phases, regardless of their use for origin computation | 28 |
Number of defining phases | 28 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.47 |
Epicentral distance of station closest to the epicenter (degree) | 0.35793 |
Epicentral distance of station farthest from the epicenter (degree) | 1.33279 |
Number of stations at which the event was observed | 20 |
Number of stations from which data was used for origin computation | 20 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.3 |
Num. used stations | 24 |
Type of magnitude | ML |
Reference to an origin | 98248291 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2022-03-24 12:07:04 |
Field | Value |
---|---|
Value | 1.9 |
Uncertainty | 0.4 |
Num. used stations | 28 |
Type of magnitude | ML |
Reference to an origin | 97616211 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-11-20 05:50:19 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
GU.GORR.HHN. | 2021-11-20T05:16:20.29 | 0.6 | undecidable | manual | P | 331 | 147.9408 | 50 | 1.34 | 26 |
GU.EQUI.HHZ. | 2021-11-20T05:16:18.85 | 0.6 | undecidable | manual | S | 357 | 79.8645 | 50 | 0.2 | 48 |
IV.BDI.HHZ. | 2021-11-20T05:16:18.06 | 0.6 | undecidable | manual | S | 24 | 75.0693 | 50 | 0.71 | 41 |
IV.CELB.HHZ. | 2021-11-20T05:16:17.82 | 0.6 | undecidable | manual | S | 180 | 77.6667 | 50 | -0.23 | 48 |
GU.CARD.HHZ. | 2021-11-20T05:16:16.04 | 0.6 | undecidable | manual | S | 19 | 67.8765 | 50 | 0.59 | 44 |
RD.PGF.BHZ. | 2021-11-20T05:16:16.48 | 0.3 | undecidable | manual | P | 225 | 139.8489 | 50 | -1.21 | 53 |
IV.CRMI.HHZ. | 2021-11-20T05:16:16.23 | 0.6 | undecidable | manual | S | 58 | 73.0713 | 50 | -0.58 | 48 |
IV.PLMA.HHZ. | 2021-11-20T05:16:15.60 | 0.6 | undecidable | manual | S | 337 | 72.6717 | 50 | -1.12 | 39 |
GU.GRAM.HHZ. | 2021-11-20T05:16:14.19 | 0.3 | undecidable | manual | P | 354 | 116.2947 | 50 | 0.12 | 69 |
IV.ERBM.EHE. | 2021-11-20T05:16:13.50 | 0.1 | undecidable | manual | P | 9 | 109.113 | 50 | 0.54 | 84 |
IV.FNVD.HHZ. | 2021-11-20T05:16:13.06 | 0.3 | undecidable | manual | P | 42 | 108.4137 | 50 | 0.21 | 69 |
IV.MSSA.HHZ. | 2021-11-20T05:16:13.27 | 0.3 | undecidable | manual | P | 330 | 111.0999 | 50 | 0 | 71 |
GU.GSCL.HHN. | 2021-11-20T05:16:12.47 | 0.6 | undecidable | manual | P | 17 | 104.7174 | 50 | 0.19 | 46 |
IV.CASP.HHZ. | 2021-11-20T05:16:09.85 | 0.3 | undecidable | manual | P | 144 | 90.1431 | 50 | -0.18 | 74 |
IV.OSSC.HHE. | 2021-11-20T05:16:09.92 | 0.6 | undecidable | manual | P | 84 | 83.9493 | 50 | 0.84 | 37 |
GU.POPM.HHZ. | 2021-11-20T05:16:08.12 | 0.1 | undecidable | manual | P | 33 | 79.6647 | 50 | -0.29 | 98 |
GU.EQUI.HHZ. | 2021-11-20T05:16:08.09 | 0.3 | undecidable | manual | P | 357 | 79.8645 | 50 | -0.37 | 73 |
GU.SARM.EHN. | 2021-11-20T05:16:08.45 | 0.3 | undecidable | manual | P | 11 | 83.25 | 50 | -0.52 | 70 |
IV.MAGO.CHZ. | 2021-11-20T05:16:07.27 | 0.6 | undecidable | manual | S | 118 | 41.0256 | 50 | -1.01 | 48 |
IV.BDI.HHZ. | 2021-11-20T05:16:07.53 | 0.3 | undecidable | manual | P | 24 | 75.0693 | 50 | -0.18 | 76 |
IV.CELB.HHZ. | 2021-11-20T05:16:07.75 | 0.3 | undecidable | manual | P | 180 | 77.6667 | 50 | -0.36 | 78 |
IV.CRMI.HHZ. | 2021-11-20T05:16:07.50 | 0.1 | undecidable | manual | P | 58 | 73.0713 | 50 | 0.1 | 100 |
IV.PLMA.HHZ. | 2021-11-20T05:16:06.79 | 0.3 | undecidable | manual | P | 337 | 72.6717 | 50 | -0.55 | 71 |
IV.PII.HHZ. | 2021-11-20T05:16:06.68 | 0.6 | undecidable | manual | S | 40 | 39.7269 | 50 | -1.25 | 38 |
IV.TRIF.CHZ. | 2021-11-20T05:16:06.68 | 0.3 | undecidable | manual | P | 123 | 67.0773 | 50 | 0.2 | 72 |
GU.CARD.HHZ. | 2021-11-20T05:16:05.91 | 0.3 | undecidable | manual | P | 19 | 67.8765 | 50 | -0.7 | 67 |
IV.MAGO.CHZ. | 2021-11-20T05:16:01.75 | 0.3 | undecidable | manual | P | 118 | 41.0256 | 50 | -0.72 | 75 |
IV.PII.HHZ. | 2021-11-20T05:16:01.28 | 0.1 | undecidable | manual | P | 40 | 39.7269 | 50 | -0.99 | 84 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.PII.HHN. | ML:2.0 | 0.0003685 | 0.4 | AML | other | m | 2021-11-20T05:16:09.62 |
IV.PII.HHE. | ML:2.0 | 0.000313 | 0.5 | AML | other | m | 2021-11-20T05:16:09.96 |
IV.MAGO.CHE. | ML:1.8 | 0.0002245 | 0.78 | AML | other | m | 2021-11-20T05:16:10.48 |
IV.MAGO.CHN. | ML:1.8 | 0.000235 | 0.78 | AML | other | m | 2021-11-20T05:16:11.45 |
IV.TRIF.CHE. | ML:1.7 | 0.0000819 | 0.74 | AML | other | m | 2021-11-20T05:16:18.56 |
GU.CARD.HHE. | ML:2.1 | 0.00023299999999999997 | 0.24 | AML | other | m | 2021-11-20T05:16:18.18 |
GU.CARD.HHN. | ML:2.3 | 0.00036449999999999997 | 0.22 | AML | other | m | 2021-11-20T05:16:18.31 |
IV.TRIF.CHN. | ML:1.6 | 0.00006429999999999999 | 0.24 | AML | other | m | 2021-11-20T05:16:18.23 |
IV.PLMA.HHE. | ML:1.5 | 0.0000537 | 0.16 | AML | other | m | 2021-11-20T05:16:18.52 |
IV.PLMA.HHN. | ML:1.4 | 0.0000367 | 0.26 | AML | other | m | 2021-11-20T05:16:20.41 |
IV.BDI.HHN. | ML:2.0 | 0.00014950000000000003 | 0.46 | AML | other | m | 2021-11-20T05:16:20.66 |
IV.BDI.HHE. | ML:1.9 | 0.0001215 | 0.88 | AML | other | m | 2021-11-20T05:16:20.76 |
IV.CRMI.HHN. | ML:1.3 | 0.00003245 | 1.32 | AML | other | m | 2021-11-20T05:16:20.16 |
IV.CELB.HHN. | ML:1.7 | 0.0000819 | 1.76 | AML | other | m | 2021-11-20T05:16:20.99 |
IV.CRMI.HHE. | ML:1.0 | 0.00001653 | 1.44 | AML | other | m | 2021-11-20T05:16:21.95 |
GU.POPM.HHN. | ML:2.0 | 0.00015099999999999998 | 0.22 | AML | other | m | 2021-11-20T05:16:21.60 |
IV.CELB.HHE. | ML:1.9 | 0.00010755000000000001 | 0.28 | AML | other | m | 2021-11-20T05:16:21.77 |
GU.POPM.HHE. | ML:2.0 | 0.00014150000000000002 | 0.2 | AML | other | m | 2021-11-20T05:16:22.25 |
GU.EQUI.HHN. | ML:1.4 | 0.0000365 | 0.58 | AML | other | m | 2021-11-20T05:16:22.26 |
GU.EQUI.HHE. | ML:1.4 | 0.0000346 | 0.82 | AML | other | m | 2021-11-20T05:16:22.75 |
IV.CASP.HHE. | ML:1.8 | 0.00006570000000000001 | 1.12 | AML | other | m | 2021-11-20T05:16:24.19 |
IV.CASP.HHN. | ML:1.8 | 0.00007955 | 0.64 | AML | other | m | 2021-11-20T05:16:24.91 |
GU.GRAM.HHE. | ML:2.0 | 0.00007319999999999999 | 0.28 | AML | other | m | 2021-11-20T05:16:34.15 |
GU.GRAM.HHN. | ML:2.0 | 0.0000698 | 0.42 | AML | other | m | 2021-11-20T05:16:34.03 |