A magnitude ML 1.2 earthquake occured in region: 3 km S Impruneta (FI), on
and geographic coordinates (lat, lon) 43.6610, 11.2460 at 9 km depth.
The earthquake was located by: Sala Sismica INGV-Roma.
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 |
---|---|---|---|---|
Impruneta | FI | 3 | 14615 | 14615 |
San Casciano in Val di Pesa | FI | 5 | 17062 | 31677 |
Greve in Chianti | FI | 10 | 13862 | 45539 |
Bagno a Ripoli | FI | 12 | 25611 | 71150 |
Scandicci | FI | 12 | 50609 | 121759 |
Firenze | FI | 12 | 382808 | 504567 |
Tavarnelle Val di Pesa | FI | 12 | 7800 | 512367 |
Montespertoli | FI | 14 | 13537 | 525904 |
Barberino Val d'Elsa | FI | 14 | 4386 | 530290 |
Figline e Incisa Valdarno | FI | 17 | 23505 | 553795 |
Lastra a Signa | FI | 17 | 20156 | 573951 |
Fiesole | FI | 17 | 13969 | 587920 |
Signa | FI | 18 | 19179 | 607099 |
Rignano sull'Arno | FI | 18 | 8651 | 615750 |
Sesto Fiorentino | FI | 20 | 48958 | 664708 |
Montelupo Fiorentino | FI | 20 | 14098 | 678806 |
Campi Bisenzio | FI | 20 | 46166 | 724972 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.2 | 2022-05-09 17:49:09 |
43.6607 | 11.2458 | 9 | 2022-05-09 17:55:49 |
Sala Sismica INGV-Roma | 104411271 |
Field | Value |
---|---|
Time (UTC) | 2022-05-09 17:49:09 ± 0.06 |
Latitude | 43.6607 ± 0.0036 |
Longitude | 11.2458 ± 0.0050 |
Depth (km) | 9 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 104411271 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 419 |
Semi-minor axis of confidence ellipse (meter) | 314 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 260 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 420.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 89 |
Number of associated phases, regardless of their use for origin computation | 31 |
Number of defining phases | 28 |
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) | 0.53330 |
Number of stations at which the event was observed | 17 |
Number of stations from which data was used for origin computation | 14 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.2 |
Num. used stations | 20 |
Type of magnitude | ML |
Reference to an origin | 104411271 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2022-05-09 17:55:49 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ZOVE.EHZ. | 2022-05-09T17:50:06.38 | 3.0 | undecidable | manual | Sg | 2.18 | 0 | |||
IV.PTQR.HHZ. | 2022-05-09T17:49:51.43 | 3.0 | undecidable | manual | Pg | 5.01 | 0 | |||
IV.SSFR.HHZ. | 2022-05-09T17:49:49.80 | 3.0 | undecidable | manual | S | 1.89 | 0 | |||
IV.LMD.HHZ. | 2022-05-09T17:49:28.30 | 1.0 | undecidable | manual | S | 38 | 59.1963 | 50 | 0.44 | 21 |
IV.CRE.HHZ. | 2022-05-09T17:49:27.50 | 0.6 | undecidable | manual | S | 94 | 56.8986 | 50 | 0.25 | 44 |
IV.PII.HHZ. | 2022-05-09T17:49:26.72 | 0.6 | undecidable | manual | S | 277 | 58.1973 | 50 | -0.89 | 35 |
IV.SEI.HHZ. | 2022-05-09T17:49:24.39 | 0.6 | undecidable | manual | S | 12 | 44.622 | 50 | 0.42 | 43 |
IV.MOCL.EHZ. | 2022-05-09T17:49:22.37 | 0.6 | undecidable | manual | S | 352 | 38.5281 | 50 | 0.01 | 47 |
IV.MPPT.EHZ. | 2022-05-09T17:49:21.22 | 0.6 | undecidable | manual | S | 339 | 35.2425 | 50 | -0.25 | 45 |
IV.LMD.HHZ. | 2022-05-09T17:49:20.28 | 1.0 | undecidable | manual | P | 38 | 59.1963 | 50 | 0.37 | 21 |
IV.BOSL.HHZ. | 2022-05-09T17:49:20.11 | 0.6 | undecidable | manual | S | 19 | 31.746 | 105 | -0.34 | 45 |
IV.CRE.HHZ. | 2022-05-09T17:49:19.79 | 0.6 | positive | manual | P | 94 | 56.8986 | 50 | 0.23 | 44 |
IV.PII.HHZ. | 2022-05-09T17:49:19.96 | 0.6 | positive | manual | P | 277 | 58.1973 | 50 | 0.19 | 44 |
IV.RUFI.EHZ. | 2022-05-09T17:49:19.25 | 0.6 | undecidable | manual | S | 47 | 28.8489 | 106 | -0.25 | 46 |
IV.CRMI.HHZ. | 2022-05-09T17:49:18.62 | 0.6 | undecidable | manual | S | 305 | 26.0517 | 108 | 0.05 | 48 |
IV.SEI.HHZ. | 2022-05-09T17:49:17.83 | 0.6 | undecidable | manual | P | 12 | 44.622 | 50 | 0.16 | 45 |
IV.CSNT.HHZ. | 2022-05-09T17:49:16.63 | 0.6 | undecidable | manual | S | 170 | 21.0678 | 112 | -0.32 | 46 |
IV.MOCL.EHZ. | 2022-05-09T17:49:16.36 | 1.0 | undecidable | manual | P | 352 | 38.5281 | 50 | -0.38 | 22 |
IV.BOSL.HHZ. | 2022-05-09T17:49:15.62 | 0.1 | undecidable | manual | P | 19 | 31.746 | 105 | -0.01 | 96 |
IV.MPPT.EHZ. | 2022-05-09T17:49:15.84 | 1.0 | undecidable | manual | P | 339 | 35.2425 | 50 | -0.38 | 22 |
IV.OSSC.HHZ. | 2022-05-09T17:49:15.30 | 0.6 | undecidable | manual | S | 180 | 15.1737 | 119 | 0.2 | 47 |
IV.RUFI.EHZ. | 2022-05-09T17:49:15.13 | 0.1 | positive | manual | P | 47 | 28.8489 | 106 | 0.05 | 96 |
ZH.T1646.EHN. | 2022-05-09T17:49:14.60 | 0.6 | undecidable | manual | S | 269 | 10.9779 | 128 | 0.71 | 41 |
IV.CRMI.HHZ. | 2022-05-09T17:49:14.46 | 0.6 | positive | manual | P | 305 | 26.0517 | 108 | -0.09 | 48 |
IV.CSNT.HHZ. | 2022-05-09T17:49:13.34 | 0.1 | negative | manual | P | 170 | 21.0678 | 112 | -0.27 | 93 |
ZH.T1647.HNN. | 2022-05-09T17:49:13.18 | 0.6 | undecidable | manual | S | 138 | 7.9809 | 137 | 0.08 | 49 |
IV.OSSC.HHZ. | 2022-05-09T17:49:12.48 | 0.6 | negative | manual | P | 180 | 15.1737 | 119 | -0.06 | 49 |
ZH.T1646.EHN. | 2022-05-09T17:49:12.11 | 0.3 | undecidable | manual | P | 269 | 10.9779 | 128 | 0.26 | 71 |
ZH.T1648.HNZ. | 2022-05-09T17:49:12.02 | 0.3 | undecidable | manual | S | 79 | 2.997 | 161 | -0.17 | 73 |
ZH.T1647.HNN. | 2022-05-09T17:49:11.52 | 0.3 | undecidable | manual | P | 138 | 7.9809 | 137 | 0.13 | 73 |
ZH.T1648.HNZ. | 2022-05-09T17:49:10.82 | 0.1 | undecidable | manual | P | 79 | 2.997 | 161 | -0.04 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.OSSC.HHE. | ML:1.3 | 0.0001835 | 1.5 | AML | other | m | 2022-05-09T17:49:15.75 |
IV.OSSC.HHN. | ML:1.2 | 0.000168 | 0.32 | AML | other | m | 2022-05-09T17:49:17.79 |
IV.CSNT.HHE. | ML:1.2 | 0.0001245 | 0.84 | AML | other | m | 2022-05-09T17:49:19.44 |
IV.CRMI.HHN. | ML:1.2 | 0.00008599999999999999 | 0.24 | AML | other | m | 2022-05-09T17:49:19.13 |
IV.CRMI.HHE. | ML:0.8 | 0.0000422 | 1.54 | AML | other | m | 2022-05-09T17:49:19.91 |
IV.RUFI.EHN. | ML:1.2 | 0.0000812 | 0.2 | AML | other | m | 2022-05-09T17:49:19.93 |
IV.RUFI.EHE. | ML:1.3 | 0.0001059 | 1.74 | AML | other | m | 2022-05-09T17:49:19.12 |
IV.CSNT.HHN. | ML:1.2 | 0.0001135 | 0.5 | AML | other | m | 2022-05-09T17:49:20.60 |
IV.BOSL.HHE. | ML:1.1 | 0.0000538 | 0.42 | AML | other | m | 2022-05-09T17:49:20.49 |
IV.BOSL.HHN. | ML:0.9 | 0.00003915 | 1.1 | AML | other | m | 2022-05-09T17:49:20.73 |
IV.MPPT.EHE. | ML:0.8 | 0.00002485 | 0.34 | AML | other | m | 2022-05-09T17:49:21.82 |
IV.MPPT.EHN. | ML:0.8 | 0.00002605 | 0.16 | AML | other | m | 2022-05-09T17:49:23.67 |
IV.SEI.HHE. | ML:1.3 | 0.00005830000000000001 | 1.06 | AML | other | m | 2022-05-09T17:49:25.89 |
IV.SEI.HHN. | ML:1.7 | 0.00014150000000000002 | 0.68 | AML | other | m | 2022-05-09T17:49:27.11 |
IV.PII.HHE. | ML:1.3 | 0.0000457 | 1.22 | AML | other | m | 2022-05-09T17:49:27.13 |
IV.PII.HHN. | ML:1.4 | 0.00005785 | 1.68 | AML | other | m | 2022-05-09T17:49:28.06 |
IV.LMD.HHE. | ML:1.5 | 0.00006445000000000001 | 0.32 | AML | other | m | 2022-05-09T17:49:29.42 |
IV.LMD.HHN. | ML:1.4 | 0.00004845 | 0.66 | AML | other | m | 2022-05-09T17:49:29.40 |
IV.CRE.HHE. | ML:1.0 | 0.00002295 | 0.24 | AML | other | m | 2022-05-09T17:49:31.62 |
IV.CRE.HHN. | ML:1.0 | 0.000025399999999999997 | 0.3 | AML | other | m | 2022-05-09T17:49:31.91 |