A magnitude ML 0.8 earthquake occured in region: 3 km S Impruneta (FI), on
and geographic coordinates (lat, lon) 43.6620, 11.2540 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 | 3 | 14615 | 14615 |
San Casciano in Val di Pesa | FI | 6 | 17062 | 31677 |
Greve in Chianti | FI | 10 | 13862 | 45539 |
Bagno a Ripoli | FI | 11 | 25611 | 71150 |
Firenze | FI | 12 | 382808 | 453958 |
Scandicci | FI | 12 | 50609 | 504567 |
Tavarnelle Val di Pesa | FI | 13 | 7800 | 512367 |
Montespertoli | FI | 14 | 13537 | 525904 |
Barberino Val d'Elsa | FI | 15 | 4386 | 530290 |
Figline e Incisa Valdarno | FI | 16 | 23505 | 553795 |
Fiesole | FI | 17 | 13969 | 567764 |
Lastra a Signa | FI | 17 | 20156 | 587920 |
Rignano sull'Arno | FI | 18 | 8651 | 596571 |
Signa | FI | 18 | 19179 | 615750 |
Sesto Fiorentino | FI | 20 | 48958 | 664708 |
Pontassieve | FI | 20 | 20603 | 685311 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.8 | 2022-05-09 15:53:40 |
43.6615 | 11.2537 | 9 | 2022-05-09 16:06:40 |
Sala Sismica INGV-Roma | 104408191 |
Field | Value |
---|---|
Time (UTC) | 2022-05-09 15:53:40 ± 0.07 |
Latitude | 43.6615 ± 0.0027 |
Longitude | 11.2537 ± 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 | 104408191 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 383 |
Semi-minor axis of confidence ellipse (meter) | 274 |
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) | 380.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 87 |
Number of associated phases, regardless of their use for origin computation | 21 |
Number of defining phases | 20 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.22 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.39930 |
Number of stations at which the event was observed | 11 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 0.8 |
Uncertainty | 0.2 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 104408191 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2022-05-09 16:06:40 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.SEI.HHZ. | 2022-05-09T15:53:55.55 | 0.1 | undecidable | manual | S | 11 | 44.3223 | 50 | 0.19 | 90 |
IV.MPPT.EHZ. | 2022-05-09T15:53:53.10 | 0.1 | undecidable | manual | S | 338 | 35.3424 | 50 | 0.15 | 92 |
IV.BOSL.HHZ. | 2022-05-09T15:53:51.69 | 0.1 | undecidable | manual | S | 18 | 31.4463 | 105 | -0.07 | 94 |
IV.LMD.HHZ. | 2022-05-09T15:53:51.60 | 3.0 | undecidable | manual | P | 0 | ||||
IV.RUFI.EHZ. | 2022-05-09T15:53:50.64 | 0.1 | undecidable | manual | S | 46 | 28.3494 | 107 | -0.1 | 94 |
IV.CRMI.HHE. | 2022-05-09T15:53:49.92 | 0.1 | undecidable | manual | S | 304 | 26.5512 | 108 | -0.22 | 92 |
IV.SEI.HHZ. | 2022-05-09T15:53:49.33 | 0.1 | undecidable | manual | P | 11 | 44.3223 | 50 | 0.26 | 88 |
IV.CSNT.HHZ. | 2022-05-09T15:53:48.31 | 0.1 | undecidable | manual | S | 172 | 21.0678 | 112 | -0.06 | 96 |
IV.MPPT.EHZ. | 2022-05-09T15:53:47.27 | 0.1 | undecidable | manual | P | 338 | 35.3424 | 50 | -0.41 | 87 |
IV.RUFI.EHZ. | 2022-05-09T15:53:46.43 | 0.1 | undecidable | manual | P | 46 | 28.3494 | 107 | 0.03 | 95 |
IV.OSSC.HHZ. | 2022-05-09T15:53:46.29 | 0.1 | undecidable | manual | S | 182 | 15.2736 | 119 | -0.26 | 93 |
IV.BOSL.HHZ. | 2022-05-09T15:53:46.98 | 0.1 | undecidable | manual | P | 18 | 31.4463 | 105 | -0.01 | 95 |
IV.CRMI.HHE. | 2022-05-09T15:53:45.70 | 0.3 | undecidable | manual | P | 304 | 26.5512 | 108 | -0.36 | 67 |
ZH.T1646.EHE. | 2022-05-09T15:53:45.87 | 0.1 | undecidable | manual | S | 269 | 11.6772 | 126 | 0.4 | 91 |
IV.CSNT.HHZ. | 2022-05-09T15:53:44.76 | 0.1 | undecidable | manual | P | 172 | 21.0678 | 112 | -0.27 | 92 |
ZH.T1647.EHE. | 2022-05-09T15:53:44.69 | 0.1 | undecidable | manual | S | 142 | 7.6812 | 138 | 0.26 | 94 |
IV.OSSC.HHZ. | 2022-05-09T15:53:44.17 | 0.1 | undecidable | manual | P | 182 | 15.2736 | 119 | 0.19 | 94 |
ZH.T1646.EHE. | 2022-05-09T15:53:43.48 | 0.1 | undecidable | manual | P | 269 | 11.6772 | 126 | 0.12 | 96 |
ZH.T1648.EHE. | 2022-05-09T15:53:43.46 | 0.1 | undecidable | manual | S | 79 | 2.2977 | 164 | -0.06 | 99 |
ZH.T1647.EHE. | 2022-05-09T15:53:42.88 | 0.1 | undecidable | manual | P | 142 | 7.6812 | 138 | 0.12 | 97 |
ZH.T1648.EHE. | 2022-05-09T15:53:42.25 | 0.1 | undecidable | manual | P | 79 | 2.2977 | 164 | 0.02 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.OSSC.HHE. | ML:1.0 | 0.00009645000000000001 | 1.36 | AML | other | m | 2022-05-09T15:53:47.00 |
IV.OSSC.HHN. | ML:0.9 | 0.00008450000000000001 | 1.16 | AML | other | m | 2022-05-09T15:53:47.39 |
IV.CSNT.HHN. | ML:0.9 | 0.00006055 | 0.6 | AML | other | m | 2022-05-09T15:53:49.20 |
IV.CSNT.HHE. | ML:0.8 | 0.00005105 | 0.3 | AML | other | m | 2022-05-09T15:53:50.86 |
IV.BOSL.HHE. | ML:0.7 | 0.00002425 | 1.64 | AML | other | m | 2022-05-09T15:53:51.85 |
IV.BOSL.HHN. | ML:0.5 | 0.0000161 | 1.56 | AML | other | m | 2022-05-09T15:53:52.86 |