A magnitude ML 1.2 earthquake occured in region: 4 km S Impruneta (FI), on
and geographic coordinates (lat, lon) 43.6550, 11.2500 at 9 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 |
---|---|---|---|---|
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 | 17 | 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 |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.2 | 2022-05-09 02:23:41 |
43.6553 | 11.2495 | 9 | 2023-01-31 19:03:52 |
Bollettino Sismico Italiano INGV | 110942381 |
Reviewed Rev100 |
ML 1.3 | 2022-05-09 02:23:41 |
43.6572 | 11.2482 | 8 | 2022-05-09 02:32:31 |
Sala Sismica INGV-Roma | 104370821 |
Field | Value |
---|---|
Time (UTC) | 2022-05-09 02:23:41 ± 0.07 |
Latitude | 43.6553 ± 0.0036 |
Longitude | 11.2495 ± 0.0087 |
Depth (km) | 9 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 110942381 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 655 |
Semi-minor axis of confidence ellipse (meter) | 104 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 94 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 660.0 |
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 | 25 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.26 |
Epicentral distance of station closest to the epicenter (degree) | 0.11871 |
Epicentral distance of station farthest from the epicenter (degree) | 0.62233 |
Number of stations at which the event was observed | 16 |
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 | 110942381 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2022-10-18 13:52:55 |
Field | Value |
---|---|
Value | 1.3 |
Uncertainty | 0.2 |
Num. used stations | 14 |
Type of magnitude | ML |
Reference to an origin | 104370821 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2022-05-09 02:32:31 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.FROS.CHZ. | 2022-05-09T02:23:57.47 | 0.3 | undecidable | manual | S | 189 | 50.0166 | 50 | -0.25 | 67 |
IV.BDI.HHZ. | 2022-05-09T02:23:54.71 | 0.6 | undecidable | manual | P | 311 | 69.0753 | 50 | 0.94 | 34 |
IV.MPPT.EHZ. | 2022-05-09T02:23:53.58 | 0.6 | undecidable | manual | S | 339 | 35.8419 | 50 | -0.37 | 45 |
IV.MAGO.CHN. | 2022-05-09T02:23:53.30 | 0.6 | undecidable | manual | P | 229 | 63.7917 | 50 | 0.35 | 43 |
IV.CRE.HHZ. | 2022-05-09T02:23:52.12 | 0.3 | undecidable | manual | P | 94 | 56.499 | 50 | 0.29 | 66 |
IV.VISG.HHZ. | 2022-05-09T02:23:52.98 | 0.3 | undecidable | manual | P | 14 | 60.9945 | 50 | 0.46 | 63 |
IV.PII.HHZ. | 2022-05-09T02:23:52.17 | 0.3 | undecidable | manual | P | 277 | 58.5969 | 50 | 0.02 | 69 |
IV.BOSL.HHZ. | 2022-05-09T02:23:52.45 | 0.6 | undecidable | manual | S | 18 | 32.1456 | 50 | -0.51 | 44 |
IV.RUFI.EHN. | 2022-05-09T02:23:51.48 | 0.6 | undecidable | manual | S | 46 | 29.0487 | 107 | -0.46 | 44 |
IV.FROS.CHZ. | 2022-05-09T02:23:51.06 | 0.6 | undecidable | manual | P | 189 | 50.0166 | 50 | 0.23 | 45 |
IV.SEI.HHE. | 2022-05-09T02:23:50.31 | 0.3 | undecidable | manual | P | 11 | 45.1215 | 50 | 0.24 | 68 |
IV.CRMI.HHZ. | 2022-05-09T02:23:50.94 | 0.6 | undecidable | manual | S | 306 | 26.6511 | 108 | -0.2 | 47 |
IV.MOCL.EHE. | 2022-05-09T02:23:49.47 | 0.6 | undecidable | manual | P | 352 | 39.1275 | 50 | 0.31 | 45 |
IV.MPPT.EHZ. | 2022-05-09T02:23:48.21 | 0.3 | undecidable | manual | P | 339 | 35.8419 | 50 | -0.44 | 66 |
IV.CSNT.HHZ. | 2022-05-09T02:23:48.90 | 0.6 | undecidable | manual | S | 171 | 20.4684 | 113 | -0.24 | 47 |
IT.FIE.HGE. | 2022-05-09T02:23:48.22 | 0.6 | undecidable | manual | S | 12 | 17.2716 | 117 | 0.11 | 49 |
IV.OSSC.HHZ. | 2022-05-09T02:23:47.49 | 0.6 | undecidable | manual | S | 181 | 14.6742 | 121 | 0.17 | 49 |
IV.BOSL.HHZ. | 2022-05-09T02:23:47.87 | 0.1 | undecidable | manual | P | 18 | 32.1456 | 50 | -0.21 | 93 |
IV.FIR.HNZ. | 2022-05-09T02:23:47.07 | 0.6 | undecidable | manual | S | 2 | 13.1757 | 124 | 0.16 | 49 |
IV.RUFI.EHN. | 2022-05-09T02:23:47.40 | 0.1 | undecidable | manual | P | 46 | 29.0487 | 107 | -0.09 | 96 |
IV.CRMI.HHZ. | 2022-05-09T02:23:46.76 | 0.1 | undecidable | manual | P | 306 | 26.6511 | 108 | -0.27 | 93 |
IT.FIE.HGE. | 2022-05-09T02:23:45.69 | 0.3 | undecidable | manual | P | 12 | 17.2716 | 117 | 0.41 | 69 |
IV.CSNT.HHZ. | 2022-05-09T02:23:45.63 | 0.3 | undecidable | manual | P | 171 | 20.4684 | 113 | -0.24 | 71 |
IV.FIR.HNZ. | 2022-05-09T02:23:44.67 | 0.3 | undecidable | manual | P | 2 | 13.1757 | 124 | 0.09 | 74 |
IV.OSSC.HHZ. | 2022-05-09T02:23:44.84 | 0.1 | undecidable | manual | P | 181 | 14.6742 | 121 | 0.02 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.OSSC.HHE. | ML:1.5 | 0.0003235 | 1.02 | AML | other | m | 2022-05-09T02:23:48.25 |
IV.OSSC.HHN. | ML:1.4 | 0.00023449999999999998 | 0.72 | AML | other | m | 2022-05-09T02:23:48.66 |
IV.CSNT.HHE. | ML:1.4 | 0.0001875 | 0.9 | AML | other | m | 2022-05-09T02:23:51.93 |
IV.CRMI.HHN. | ML:1.3 | 0.0001135 | 0.2 | AML | other | m | 2022-05-09T02:23:51.75 |
IV.CRMI.HHE. | ML:1.1 | 0.00006385000000000001 | 0.26 | AML | other | m | 2022-05-09T02:23:51.64 |
IV.BOSL.HHN. | ML:1.1 | 0.00005515 | 0.9 | AML | other | m | 2022-05-09T02:23:53.29 |
IV.BOSL.HHE. | ML:1.2 | 0.0000803 | 0.2 | AML | other | m | 2022-05-09T02:23:53.27 |
IV.MPPT.EHN. | ML:1.0 | 0.0000339 | 0.28 | AML | other | m | 2022-05-09T02:23:54.10 |
IV.MPPT.EHE. | ML:1.1 | 0.00005044999999999999 | 0.28 | AML | other | m | 2022-05-09T02:23:54.30 |
IV.CSNT.HHN. | ML:1.3 | 0.000146 | 0.58 | AML | other | m | 2022-05-09T02:23:55.40 |
IV.CRE.HHE. | ML:1.1 | 0.0000296 | 0.26 | AML | other | m | 2022-05-09T02:24:01.18 |
IV.VISG.HHE. | ML:1.0 | 0.00001845 | 0.58 | AML | other | m | 2022-05-09T02:24:01.70 |
IV.VISG.HHN. | ML:0.7 | 0.000011265000000000001 | 1.3 | AML | other | m | 2022-05-09T02:24:01.89 |
IV.CRE.HHN. | ML:1.2 | 0.0000387 | 0.34 | AML | other | m | 2022-05-09T02:24:04.42 |
IV.PII.HHN. | ML:1.5 | 0.00006604999999999999 | 1 | AML | other | m | 2022-05-09T02:24:04.09 |
IV.PII.HHE. | ML:1.4 | 0.00005475 | 0.42 | AML | other | m | 2022-05-09T02:24:04.68 |