A magnitude ML 1.0 earthquake occured in region: 3 km S Impruneta (FI), on
and geographic coordinates (lat, lon) 43.6600, 11.2580 at 6 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 | 13 | 50609 | 504567 |
Tavarnelle Val di Pesa | FI | 13 | 7800 | 512367 |
Barberino Val d'Elsa | FI | 15 | 4386 | 516753 |
Montespertoli | FI | 15 | 13537 | 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 | 17 | 8651 | 596571 |
Signa | FI | 19 | 19179 | 615750 |
Pontassieve | FI | 20 | 20603 | 636353 |
Sesto Fiorentino | FI | 20 | 48958 | 685311 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.0 | 2022-05-09 03:40:29 |
43.6598 | 11.258 | 6 | 2022-05-09 03:52:04 |
Sala Sismica INGV-Roma | 104375451 |
Field | Value |
---|---|
Time (UTC) | 2022-05-09 03:40:29 ± 0.05 |
Latitude | 43.6598 ± 0.0018 |
Longitude | 11.2580 ± 0.0050 |
Depth (km) | 6 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 104375451 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 347 |
Semi-minor axis of confidence ellipse (meter) | 120 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 101 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 350.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 128 |
Number of associated phases, regardless of their use for origin computation | 11 |
Number of defining phases | 11 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.1 |
Epicentral distance of station closest to the epicenter (degree) | 0.13670 |
Epicentral distance of station farthest from the epicenter (degree) | 0.52790 |
Number of stations at which the event was observed | 6 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.2 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 104375451 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2022-05-09 03:52:04 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.LMD.HHZ. | 2022-05-09T03:40:40.70 | 0.1 | undecidable | manual | P | 38 | 58.5969 | 50 | -0.02 | 100 |
IV.BOSL.HHZ. | 2022-05-09T03:40:40.66 | 0.6 | undecidable | manual | S | 17 | 31.4463 | 101 | -0.14 | 51 |
IV.CRMI.HHZ. | 2022-05-09T03:40:39.22 | 0.6 | undecidable | manual | S | 304 | 26.9508 | 103 | -0.03 | 53 |
IV.RUFI.EHZ. | 2022-05-09T03:40:39.64 | 0.6 | undecidable | manual | S | 45 | 28.2495 | 103 | -0.05 | 52 |
IV.CSNT.HHZ. | 2022-05-09T03:40:36.94 | 0.6 | undecidable | manual | S | 173 | 20.868 | 107 | -0.28 | 51 |
IV.BOSL.HHZ. | 2022-05-09T03:40:36.12 | 0.3 | negative | manual | P | 17 | 31.4463 | 101 | 0.03 | 79 |
IV.CRMI.HHZ. | 2022-05-09T03:40:35.20 | 1.0 | undecidable | manual | P | 304 | 26.9508 | 103 | 0 | 27 |
IV.OSSC.HHZ. | 2022-05-09T03:40:35.46 | 0.6 | undecidable | manual | S | 184 | 15.1737 | 113 | 0.12 | 53 |
IV.RUFI.EHZ. | 2022-05-09T03:40:35.61 | 0.3 | positive | manual | P | 45 | 28.2495 | 103 | 0.16 | 77 |
IV.CSNT.HHZ. | 2022-05-09T03:40:34.07 | 0.6 | positive | manual | P | 173 | 20.868 | 107 | 0.05 | 53 |
IV.OSSC.HHZ. | 2022-05-09T03:40:33.02 | 0.6 | undecidable | manual | P | 184 | 15.1737 | 113 | 0.08 | 53 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.OSSC.HHN. | ML:1.0 | 0.0001185 | 0.74 | AML | other | m | 2022-05-09T03:40:35.24 |
IV.OSSC.HHE. | ML:1.2 | 0.0001585 | 0.98 | AML | other | m | 2022-05-09T03:40:36.18 |
IV.CSNT.HHE. | ML:1.0 | 0.00006845000000000001 | 0.8 | AML | other | m | 2022-05-09T03:40:39.87 |
IV.CRMI.HHN. | ML:0.9 | 0.00004625 | 0.36 | AML | other | m | 2022-05-09T03:40:39.57 |
IV.CRMI.HHE. | ML:0.6 | 0.00002655 | 1.08 | AML | other | m | 2022-05-09T03:40:40.55 |
IV.CSNT.HHN. | ML:1.0 | 0.0000809 | 1.48 | AML | other | m | 2022-05-09T03:40:40.79 |
IV.BOSL.HHE. | ML:0.9 | 0.00004025 | 0.18 | AML | other | m | 2022-05-09T03:40:41.01 |
IV.BOSL.HHN. | ML:0.7 | 0.000026450000000000003 | 0.4 | AML | other | m | 2022-05-09T03:40:41.02 |
IV.LMD.HHE. | ML:1.2 | 0.0000355 | 1.4 | AML | other | m | 2022-05-09T03:40:49.89 |
IV.LMD.HHN. | ML:1.3 | 0.000037699999999999995 | 0.14 | AML | other | m | 2022-05-09T03:40:49.88 |