A magnitude ML 1.7 earthquake occured in region: 1 km S Sesto Fiorentino (FI), on
and geographic coordinates (lat, lon) 43.8220, 11.2030 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 |
---|---|---|---|---|
Sesto Fiorentino | FI | 1 | 48958 | 48958 |
Campi Bisenzio | FI | 5 | 46166 | 95124 |
Calenzano | FI | 6 | 17489 | 112613 |
Firenze | FI | 7 | 382808 | 495421 |
Scandicci | FI | 7 | 50609 | 546030 |
Fiesole | FI | 8 | 13969 | 559999 |
Signa | FI | 9 | 19179 | 579178 |
Lastra a Signa | FI | 10 | 20156 | 599334 |
Prato | PO | 11 | 191150 | 790484 |
Vaglia | FI | 11 | 5073 | 795557 |
Poggio a Caiano | PO | 12 | 10007 | 805564 |
Bagno a Ripoli | FI | 12 | 25611 | 831175 |
Carmignano | PO | 15 | 14450 | 845625 |
Impruneta | FI | 16 | 14615 | 860240 |
Vaiano | PO | 18 | 9895 | 870135 |
Montemurlo | PO | 18 | 18456 | 888591 |
Montelupo Fiorentino | FI | 18 | 14098 | 902689 |
Agliana | PT | 18 | 17525 | 920214 |
Quarrata | PT | 18 | 26190 | 946404 |
Scarperia e San Piero | FI | 18 | 12217 | 958621 |
San Casciano in Val di Pesa | FI | 18 | 17062 | 975683 |
Montale | PT | 19 | 10737 | 986420 |
Pontassieve | FI | 20 | 20603 | 1007023 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.7 | 2021-01-28 13:07:20 |
43.8223 | 11.2032 | 8 | 2021-07-12 16:54:58 |
Bollettino Sismico Italiano INGV | 87000701 |
Reviewed Rev100 |
ML 1.7 | 2021-01-28 13:07:20 |
43.8212 | 11.1993 | 8 | 2021-01-28 13:19:19 |
Sala Sismica INGV-Roma | 86655691 |
Field | Value |
---|---|
Time (UTC) | 2021-01-28 13:07:20 ± 0.07 |
Latitude | 43.8223 ± 0.0045 |
Longitude | 11.2032 ± 0.0050 |
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 | 87000701 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 453 |
Semi-minor axis of confidence ellipse (meter) | 387 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 41 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 450.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 43 |
Number of associated phases, regardless of their use for origin computation | 33 |
Number of defining phases | 33 |
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) | 0.06115 |
Epicentral distance of station farthest from the epicenter (degree) | 0.67629 |
Number of stations at which the event was observed | 18 |
Number of stations from which data was used for origin computation | 18 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 0.3 |
Num. used stations | 23 |
Type of magnitude | ML |
Reference to an origin | 87000701 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-03-15 15:21:11 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 0.3 |
Num. used stations | 16 |
Type of magnitude | ML |
Reference to an origin | 86655691 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-01-28 13:19:19 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CRE.HHZ. | 2021-01-28T13:07:41.92 | 0.6 | undecidable | manual | S | 110 | 64.0914 | 50 | 0.83 | 36 |
IV.BDI.HHZ. | 2021-01-28T13:07:38.74 | 0.6 | undecidable | manual | S | 299 | 55.4001 | 50 | -0.02 | 46 |
IV.PII.HHZ. | 2021-01-28T13:07:38.81 | 0.6 | undecidable | manual | S | 259 | 55.4001 | 50 | 0.03 | 46 |
IV.LMD.HHZ. | 2021-01-28T13:07:37.20 | 0.6 | undecidable | manual | S | 55 | 49.2174 | 50 | 0.08 | 46 |
IV.ASQU.HHZ. | 2021-01-28T13:07:36.24 | 0.6 | undecidable | manual | S | 93 | 47.0196 | 50 | -0.29 | 44 |
GU.POPM.HHZ. | 2021-01-28T13:07:35.02 | 0.6 | undecidable | manual | S | 305 | 43.4232 | 50 | -0.54 | 42 |
IV.MAGO.CHE. | 2021-01-28T13:07:35.13 | 0.3 | undecidable | manual | P | 216 | 75.0693 | 50 | 0.92 | 51 |
IV.FROS.CHE. | 2021-01-28T13:07:33.42 | 0.3 | undecidable | manual | P | 183 | 68.0763 | 50 | 0.29 | 64 |
IV.CSNT.HHN. | 2021-01-28T13:07:33.82 | 0.3 | undecidable | manual | S | 170 | 39.3273 | 50 | -0.67 | 60 |
IV.CRE.HHZ. | 2021-01-28T13:07:32.53 | 0.3 | undecidable | manual | P | 110 | 64.0914 | 50 | 0 | 68 |
IV.RINC.HHZ. | 2021-01-28T13:07:32.23 | 0.6 | undecidable | manual | S | 77 | 33.0447 | 103 | -0.4 | 44 |
IV.SEI.HHZ. | 2021-01-28T13:07:31.07 | 0.6 | undecidable | manual | S | 26 | 28.5492 | 105 | -0.04 | 48 |
IV.BDI.HHZ. | 2021-01-28T13:07:31.07 | 0.3 | undecidable | manual | P | 299 | 55.4001 | 50 | -0.11 | 68 |
IV.PII.HHZ. | 2021-01-28T13:07:31.19 | 0.3 | undecidable | manual | P | 259 | 55.4001 | 50 | 0 | 69 |
GU.MAIM.HHZ. | 2021-01-28T13:07:31.55 | 0.3 | undecidable | manual | P | 280 | 57.7977 | 50 | 0 | 69 |
IV.RONT.HHZ. | 2021-01-28T13:07:31.73 | 0.6 | undecidable | manual | S | 44 | 26.4513 | 107 | 1.33 | 30 |
IV.LMD.HHZ. | 2021-01-28T13:07:30.02 | 0.1 | undecidable | manual | P | 55 | 49.2174 | 50 | -0.21 | 89 |
IV.ASQU.HHZ. | 2021-01-28T13:07:29.64 | 0.3 | undecidable | manual | P | 93 | 47.0196 | 50 | -0.25 | 67 |
IV.RUFI.EHZ. | 2021-01-28T13:07:29.44 | 0.6 | undecidable | manual | S | 86 | 24.5532 | 108 | -0.34 | 45 |
GU.POPM.HHZ. | 2021-01-28T13:07:29.49 | 0.3 | undecidable | manual | P | 305 | 43.4232 | 50 | 0.16 | 69 |
IV.MOCL.EHZ. | 2021-01-28T13:07:28.41 | 0.6 | undecidable | manual | S | 355 | 20.3685 | 111 | 0.01 | 49 |
IV.CSNT.HHN. | 2021-01-28T13:07:28.93 | 0.3 | undecidable | manual | P | 170 | 39.3273 | 50 | 0.22 | 68 |
IV.RINC.HHZ. | 2021-01-28T13:07:27.62 | 0.1 | positive | manual | P | 77 | 33.0447 | 103 | -0.02 | 96 |
IV.MPPT.EHZ. | 2021-01-28T13:07:27.15 | 0.6 | undecidable | manual | S | 329 | 17.4714 | 114 | -0.34 | 46 |
IV.RONT.HHZ. | 2021-01-28T13:07:26.88 | 0.1 | undecidable | manual | P | 44 | 26.4513 | 107 | 0.53 | 87 |
IV.SEI.HHZ. | 2021-01-28T13:07:26.80 | 0.1 | undecidable | manual | P | 26 | 28.5492 | 105 | 0.04 | 96 |
IV.MOCL.EHZ. | 2021-01-28T13:07:25.10 | 0.1 | undecidable | manual | P | 355 | 20.3685 | 111 | -0.09 | 96 |
IV.RUFI.EHZ. | 2021-01-28T13:07:25.84 | 0.1 | undecidable | manual | P | 86 | 24.5532 | 108 | -0.16 | 94 |
IV.FIR.HHZ. | 2021-01-28T13:07:24.43 | 0.6 | undecidable | manual | S | 142 | 6.7932 | 140 | -0.01 | 50 |
IT.FIE.HGZ. | 2021-01-28T13:07:24.33 | 0.6 | undecidable | manual | S | 103 | 7.4814 | 137 | -0.28 | 47 |
IV.MPPT.EHZ. | 2021-01-28T13:07:24.61 | 0.1 | positive | manual | P | 329 | 17.4714 | 114 | -0.06 | 97 |
IT.FIE.HGZ. | 2021-01-28T13:07:22.99 | 0.1 | positive | manual | P | 103 | 7.4814 | 137 | -0.02 | 100 |
IV.FIR.HHZ. | 2021-01-28T13:07:22.99 | 0.1 | positive | manual | P | 142 | 6.7932 | 140 | 0.08 | 99 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.FIR.HHE. | ML:2.2 | 0.002734872 | 0.2176 | AML | other | m | 2021-01-28T13:07:24.57 |
IV.FIR.HNE. | ML:2.2 | 0.0027987495 | 0.1984 | AML | other | m | 2021-01-28T13:07:24.58 |
IV.FIR.HHN. | ML:1.8 | 0.00106074165 | 0.1408 | AML | other | m | 2021-01-28T13:07:24.73 |
IV.FIR.HNN. | ML:1.7 | 0.00084943325 | 0.1472 | AML | other | m | 2021-01-28T13:07:24.73 |
IV.MPPT.EHE. | ML:1.4 | 0.0002278692 | 0.5376 | AML | other | m | 2021-01-28T13:07:27.72 |
IV.MPPT.EHN. | ML:1.2 | 0.00014301665 | 0.4352 | AML | other | m | 2021-01-28T13:07:27.73 |
IV.MOCL.EHE. | ML:1.8 | 0.0005093780999999999 | 0.0768 | AML | other | m | 2021-01-28T13:07:28.90 |
IV.MOCL.EHN. | ML:1.9 | 0.0005610289000000001 | 0.0768 | AML | other | m | 2021-01-28T13:07:29.12 |
IV.RUFI.EHN. | ML:1.5 | 0.00019743835 | 0.3776 | AML | other | m | 2021-01-28T13:07:29.57 |
IV.RUFI.EHE. | ML:1.4 | 0.00016942800000000003 | 0.736 | AML | other | m | 2021-01-28T13:07:29.67 |
IV.SEI.HHE. | ML:2.0 | 0.0005175 | 1.84 | AML | other | m | 2021-01-28T13:07:32.99 |
IV.SEI.HHN. | ML:2.2 | 0.0008489999999999999 | 0.18 | AML | other | m | 2021-01-28T13:07:32.18 |
IV.RONT.HHE. | ML:2.2 | 0.0010112289 | 0.2432 | AML | other | m | 2021-01-28T13:07:32.24 |
IV.RONT.HHN. | ML:2.5 | 0.0018248215 | 0.2624 | AML | other | m | 2021-01-28T13:07:32.52 |
IV.RINC.HHE. | ML:1.6 | 0.00015518558 | 0.1984 | AML | other | m | 2021-01-28T13:07:33.21 |
IV.RINC.HHN. | ML:1.6 | 0.00015472965 | 0.2048 | AML | other | m | 2021-01-28T13:07:33.58 |
IV.ASQU.HHN. | ML:1.2 | 0.000040568275 | 0.3584 | AML | other | m | 2021-01-28T13:07:36.69 |
IV.ASQU.HHE. | ML:1.3 | 0.0000577 | 0.2 | AML | other | m | 2021-01-28T13:07:37.17 |
IV.LMD.HHN. | ML:1.4 | 0.000060614455 | 0.1408 | AML | other | m | 2021-01-28T13:07:37.76 |
IV.LMD.HHE. | ML:1.2 | 0.00004711385499999999 | 0.1216 | AML | other | m | 2021-01-28T13:07:37.99 |
IV.PII.HHN. | ML:1.8 | 0.00015778474999999996 | 0.6592 | AML | other | m | 2021-01-28T13:07:39.83 |
IV.CRE.HHE. | ML:1.5 | 0.00006695352 | 0.32 | AML | other | m | 2021-01-28T13:07:42.26 |
IV.CRE.HHN. | ML:1.5 | 0.00005763326 | 0.2816 | AML | other | m | 2021-01-28T13:07:42.74 |