A magnitude ML 1.2 earthquake occured in region: 4 km S Impruneta (FI), on
and geographic coordinates (lat, lon) 43.6540, 11.2480 at 8 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 | 4 | 14615 | 14615 |
San Casciano in Val di Pesa | FI | 5 | 17062 | 31677 |
Greve in Chianti | FI | 10 | 13862 | 45539 |
Tavarnelle Val di Pesa | FI | 12 | 7800 | 53339 |
Bagno a Ripoli | FI | 12 | 25611 | 78950 |
Scandicci | FI | 13 | 50609 | 129559 |
Firenze | FI | 13 | 382808 | 512367 |
Barberino Val d'Elsa | FI | 14 | 4386 | 516753 |
Montespertoli | FI | 14 | 13537 | 530290 |
Figline e Incisa Valdarno | FI | 16 | 23505 | 553795 |
Lastra a Signa | FI | 17 | 20156 | 573951 |
Fiesole | FI | 18 | 13969 | 587920 |
Rignano sull'Arno | FI | 18 | 8651 | 596571 |
Signa | FI | 19 | 19179 | 615750 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.2 | 2022-05-09 02:25:58 |
43.6542 | 11.2485 | 8 | 2022-05-09 02:37:44 |
Sala Sismica INGV-Roma | 104370881 |
Field | Value |
---|---|
Time (UTC) | 2022-05-09 02:25:58 ± 0.07 |
Latitude | 43.6542 ± 0.0036 |
Longitude | 11.2485 ± 0.0075 |
Depth (km) | 8 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 104370881 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 577 |
Semi-minor axis of confidence ellipse (meter) | 283 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 100 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 580.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 77 |
Number of associated phases, regardless of their use for origin computation | 25 |
Number of defining phases | 24 |
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) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.62323 |
Number of stations at which the event was observed | 17 |
Number of stations from which data was used for origin computation | 16 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.2 |
Num. used stations | 16 |
Type of magnitude | ML |
Reference to an origin | 104370881 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2022-05-09 02:37:44 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MSSA.HHZ. | 2022-05-09T02:26:25.78 | 3.0 | undecidable | manual | P | 0.23 | 0 | |||
IV.LMD.HHZ. | 2022-05-09T02:26:17.63 | 0.6 | undecidable | manual | S | 38 | 59.5959 | 50 | 0.41 | 43 |
IV.BDI.HHZ. | 2022-05-09T02:26:11.56 | 0.6 | undecidable | manual | P | 311 | 69.1752 | 50 | 0.9 | 35 |
IV.MPPT.EHZ. | 2022-05-09T02:26:10.44 | 0.6 | undecidable | manual | S | 339 | 35.9418 | 50 | -0.47 | 45 |
IV.MAGO.CHE. | 2022-05-09T02:26:09.88 | 0.6 | undecidable | manual | P | 229 | 63.5919 | 50 | 0.08 | 46 |
IV.BOSL.HHZ. | 2022-05-09T02:26:09.38 | 0.6 | undecidable | manual | S | 18 | 32.3454 | 104 | -0.37 | 46 |
IV.LMD.HHZ. | 2022-05-09T02:26:09.60 | 0.6 | undecidable | manual | P | 38 | 59.5959 | 50 | 0.42 | 43 |
IV.PII.HHZ. | 2022-05-09T02:26:08.95 | 0.3 | undecidable | manual | P | 278 | 58.497 | 50 | -0.07 | 70 |
IV.RUFI.EHZ. | 2022-05-09T02:26:08.24 | 0.6 | undecidable | manual | S | 46 | 29.2485 | 105 | -0.47 | 45 |
IV.CRE.HHZ. | 2022-05-09T02:26:08.22 | 0.6 | undecidable | manual | P | 94 | 56.5989 | 50 | -0.5 | 43 |
IV.CRMI.HHZ. | 2022-05-09T02:26:07.63 | 0.6 | undecidable | manual | S | 306 | 26.6511 | 107 | -0.23 | 48 |
IV.FROS.CHE. | 2022-05-09T02:26:07.78 | 0.3 | undecidable | manual | P | 189 | 49.9167 | 50 | 0.1 | 71 |
IV.SEI.HHE. | 2022-05-09T02:26:07.26 | 0.3 | undecidable | manual | P | 11 | 45.2214 | 50 | 0.29 | 68 |
IV.MOCL.EHN. | 2022-05-09T02:26:06.05 | 0.3 | undecidable | manual | P | 352 | 39.2274 | 50 | 0 | 73 |
IV.MPPT.EHZ. | 2022-05-09T02:26:05.07 | 0.1 | undecidable | manual | P | 339 | 35.9418 | 50 | -0.47 | 89 |
IV.CSNT.HHZ. | 2022-05-09T02:26:05.67 | 0.6 | undecidable | manual | S | 171 | 20.3685 | 112 | -0.12 | 49 |
IV.BOSL.HHZ. | 2022-05-09T02:26:04.79 | 0.1 | undecidable | manual | P | 18 | 32.3454 | 104 | -0.08 | 97 |
IV.RUFI.EHZ. | 2022-05-09T02:26:04.23 | 0.1 | undecidable | manual | P | 46 | 29.2485 | 105 | -0.03 | 99 |
IV.CRMI.HHZ. | 2022-05-09T02:26:03.69 | 0.1 | undecidable | manual | P | 306 | 26.6511 | 107 | -0.09 | 98 |
IV.OSSC.HHZ. | 2022-05-09T02:26:03.82 | 0.6 | undecidable | manual | S | 181 | 14.4744 | 119 | -0.13 | 50 |
IV.FIR.HNN. | 2022-05-09T02:26:03.96 | 0.6 | undecidable | manual | S | 2 | 13.3755 | 121 | 0.36 | 48 |
IV.CSNT.HHZ. | 2022-05-09T02:26:02.53 | 0.1 | undecidable | manual | P | 171 | 20.3685 | 112 | -0.05 | 100 |
IT.FIE.HGE. | 2022-05-09T02:26:02.40 | 0.3 | undecidable | manual | P | 12 | 17.3715 | 115 | 0.37 | 71 |
IV.OSSC.HHZ. | 2022-05-09T02:26:01.65 | 0.1 | undecidable | manual | P | 181 | 14.4744 | 119 | 0.13 | 99 |
IV.FIR.HNN. | 2022-05-09T02:26:01.60 | 0.3 | undecidable | manual | P | 2 | 13.3755 | 121 | 0.28 | 72 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.OSSC.HHE. | ML:1.4 | 0.00027690205 | 0.28 | AML | other | m | 2022-05-09T02:26:04.97 |
IV.OSSC.HHN. | ML:1.1 | 0.00014284958 | 0.2208 | AML | other | m | 2022-05-09T02:26:05.38 |
IV.CRMI.HHN. | ML:1.2 | 0.0000776 | 0.2 | AML | other | m | 2022-05-09T02:26:08.46 |
IV.CRMI.HHE. | ML:0.7 | 0.000031686275 | 0.3008 | AML | other | m | 2022-05-09T02:26:08.95 |
IV.CSNT.HHE. | ML:1.2 | 0.00011164480499999999 | 0.2 | AML | other | m | 2022-05-09T02:26:08.64 |
IV.CSNT.HHN. | ML:1.1 | 0.00010339999999999999 | 0.6 | AML | other | m | 2022-05-09T02:26:09.53 |
IV.BOSL.HHN. | ML:1.1 | 0.00005539281 | 0.16 | AML | other | m | 2022-05-09T02:26:10.44 |
IV.BOSL.HHE. | ML:1.2 | 0.00006764999999999999 | 1.8 | AML | other | m | 2022-05-09T02:26:10.98 |
IV.CRE.HHE. | ML:1.0 | 0.000020045485000000002 | 0.36 | AML | other | m | 2022-05-09T02:26:19.53 |
IV.LMD.HHE. | ML:1.2 | 0.00003651804 | 0.16 | AML | other | m | 2022-05-09T02:26:18.52 |
IV.LMD.HHN. | ML:1.2 | 0.0000373 | 0.18 | AML | other | m | 2022-05-09T02:26:18.64 |
IV.CRE.HHN. | ML:1.0 | 0.000021918495 | 0.1792 | AML | other | m | 2022-05-09T02:26:18.90 |
IV.CRMI.HNE. | ML:1.2 | 0.00009347687499999998 | 0.5408 | AML | other | m | 2022-05-09T02:26:06.48 |
IV.CRMI.HNN. | ML:1.6 | 0.00023826955 | 0.9408 | AML | other | m | 2022-05-09T02:26:05.58 |
IV.RUFI.EHE. | ML:1.4 | 0.00011269789999999999 | 0.28 | AML | other | m | 2022-05-09T02:26:09.34 |
IV.RUFI.EHN. | ML:1.2 | 0.00008487127499999999 | 0.2816 | AML | other | m | 2022-05-09T02:26:09.02 |