A magnitude ML 1.5 earthquake occured in region: 4 km S Impruneta (FI), on
and geographic coordinates (lat, lon) 43.6560, 11.2460 at 8 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 |
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 |
Rignano sull'Arno | FI | 18 | 8651 | 596571 |
Signa | FI | 19 | 19179 | 615750 |
Montelupo Fiorentino | FI | 20 | 14098 | 629848 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.5 | 2022-05-09 08:17:55 |
43.6557 | 11.2462 | 8 | 2023-01-31 19:03:52 |
Bollettino Sismico Italiano INGV | 110943631 |
Reviewed Rev100 |
ML 1.5 | 2022-05-09 08:17:55 |
43.6683 | 11.2795 | 2 | 2022-05-09 08:34:27 |
Sala Sismica INGV-Roma | 104389781 |
Field | Value |
---|---|
Time (UTC) | 2022-05-09 08:17:55 ± 0.08 |
Latitude | 43.6557 ± 0.0036 |
Longitude | 11.2462 ± 0.0087 |
Depth (km) | 8 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 110943631 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 701 |
Semi-minor axis of confidence ellipse (meter) | 286 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 93 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 700.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 126 |
Number of associated phases, regardless of their use for origin computation | 26 |
Number of defining phases | 24 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.27 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.62053 |
Number of stations at which the event was observed | 15 |
Number of stations from which data was used for origin computation | 13 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | 0.2 |
Num. used stations | 20 |
Type of magnitude | ML |
Reference to an origin | 110943631 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2022-10-18 15:31:20 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | 0.2 |
Num. used stations | 20 |
Type of magnitude | ML |
Reference to an origin | 104389781 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2022-05-09 08:34:27 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MF5.EHZ. | 2022-05-09T08:18:31.24 | 3.0 | undecidable | manual | Pg | 3.87 | 0 | |||
IV.SMA1.EHZ. | 2022-05-09T08:18:30.69 | 3.0 | positive | manual | Pg | 2.15 | 0 | |||
IV.VISG.HHZ. | 2022-05-09T08:18:15.05 | 0.6 | undecidable | manual | S | 14 | 60.9945 | 50 | 0.41 | 43 |
IV.SEI.HHZ. | 2022-05-09T08:18:10.48 | 0.3 | undecidable | manual | S | 11 | 45.1215 | 50 | 0.09 | 71 |
IV.BDI.HHZ. | 2022-05-09T08:18:08.83 | 0.6 | undecidable | manual | P | 311 | 68.8755 | 50 | 1.19 | 31 |
IV.MOCL.EHZ. | 2022-05-09T08:18:08.72 | 0.3 | undecidable | manual | S | 352 | 39.1275 | 50 | -0.06 | 72 |
IV.MPPT.EHZ. | 2022-05-09T08:18:07.49 | 0.3 | undecidable | manual | S | 340 | 35.742 | 50 | -0.4 | 67 |
IV.BOSL.HHZ. | 2022-05-09T08:18:06.27 | 0.6 | undecidable | manual | S | 19 | 32.2455 | 104 | -0.47 | 45 |
IV.VISG.HHZ. | 2022-05-09T08:18:06.73 | 0.1 | undecidable | manual | P | 14 | 60.9945 | 50 | 0.3 | 88 |
IV.RUFI.EHE. | 2022-05-09T08:18:05.25 | 0.6 | undecidable | manual | S | 46 | 29.2485 | 105 | -0.49 | 45 |
IV.CRE.HHZ. | 2022-05-09T08:18:05.86 | 0.3 | undecidable | manual | P | 94 | 56.7987 | 50 | 0.08 | 69 |
IV.CRMI.HHZ. | 2022-05-09T08:18:04.56 | 0.6 | undecidable | manual | S | 306 | 26.4513 | 107 | -0.24 | 47 |
IV.SEI.HHZ. | 2022-05-09T08:18:03.95 | 0.1 | undecidable | manual | P | 11 | 45.1215 | 50 | -0.03 | 95 |
IV.MOCL.EHZ. | 2022-05-09T08:18:02.63 | 0.3 | undecidable | manual | P | 352 | 39.1275 | 50 | -0.42 | 67 |
IT.FIE.HGE. | 2022-05-09T08:18:02.00 | 0.6 | undecidable | manual | S | 13 | 17.2716 | 115 | 0.18 | 49 |
IV.CSNT.HHZ. | 2022-05-09T08:18:02.70 | 0.6 | undecidable | manual | S | 170 | 20.5683 | 111 | -0.18 | 48 |
IV.MPPT.EHZ. | 2022-05-09T08:18:02.14 | 0.3 | undecidable | manual | P | 340 | 35.742 | 50 | -0.39 | 68 |
IV.BOSL.HHZ. | 2022-05-09T08:18:01.73 | 0.1 | undecidable | manual | P | 19 | 32.2455 | 104 | -0.14 | 96 |
IV.RUFI.EHE. | 2022-05-09T08:18:01.31 | 0.1 | undecidable | manual | P | 46 | 29.2485 | 105 | 0.02 | 98 |
IV.FIR.HNE. | 2022-05-09T08:18:00.87 | 0.6 | undecidable | manual | S | 3 | 13.1757 | 121 | 0.29 | 48 |
IV.CRMI.HHZ. | 2022-05-09T08:18:00.79 | 0.1 | undecidable | manual | P | 306 | 26.4513 | 107 | 0.04 | 98 |
IV.OSSC.HHZ. | 2022-05-09T08:18:00.59 | 0.6 | undecidable | manual | S | 180 | 14.6742 | 119 | -0.43 | 46 |
IV.CSNT.HHZ. | 2022-05-09T08:17:59.87 | 0.3 | undecidable | manual | P | 170 | 20.5683 | 111 | 0.23 | 72 |
IT.FIE.HGE. | 2022-05-09T08:17:59.37 | 0.3 | undecidable | manual | P | 13 | 17.2716 | 115 | 0.34 | 71 |
IV.FIR.HNE. | 2022-05-09T08:17:58.53 | 0.3 | undecidable | manual | P | 3 | 13.1757 | 121 | 0.22 | 73 |
IV.OSSC.HHZ. | 2022-05-09T08:17:58.63 | 0.1 | undecidable | manual | P | 180 | 14.6742 | 119 | 0.07 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.OSSC.HHE. | ML:1.7 | 0.0005729999999999999 | 0.26 | AML | other | m | 2022-05-09T08:18:01.66 |
IV.OSSC.HHN. | ML:1.6 | 0.00044950000000000003 | 0.46 | AML | other | m | 2022-05-09T08:18:02.51 |
IV.CRMI.HHN. | ML:1.5 | 0.000188 | 0.34 | AML | other | m | 2022-05-09T08:18:05.35 |
IV.CSNT.HHE. | ML:1.5 | 0.000261 | 0.22 | AML | other | m | 2022-05-09T08:18:05.55 |
IV.CRMI.HHE. | ML:1.3 | 0.00010714999999999999 | 0.92 | AML | other | m | 2022-05-09T08:18:05.32 |
IV.CSNT.HHN. | ML:1.6 | 0.000294 | 0.38 | AML | other | m | 2022-05-09T08:18:06.46 |
IV.BOSL.HHE. | ML:1.5 | 0.0001325 | 0.42 | AML | other | m | 2022-05-09T08:18:06.73 |
IV.BOSL.HHN. | ML:1.4 | 0.0001055 | 1.1 | AML | other | m | 2022-05-09T08:18:06.41 |
IV.MPPT.EHN. | ML:1.2 | 0.00005935 | 0.32 | AML | other | m | 2022-05-09T08:18:07.78 |
IV.MPPT.EHE. | ML:1.3 | 0.000076 | 0.54 | AML | other | m | 2022-05-09T08:18:07.98 |
IV.MOCL.EHE. | ML:1.8 | 0.00020449999999999998 | 0.18 | AML | other | m | 2022-05-09T08:18:09.23 |
IV.MOCL.EHN. | ML:1.7 | 0.00016499999999999997 | 0.22 | AML | other | m | 2022-05-09T08:18:09.29 |
IV.SEI.HHE. | ML:1.7 | 0.00015300000000000003 | 0.3 | AML | other | m | 2022-05-09T08:18:11.75 |
IV.SEI.HHN. | ML:2.1 | 0.0003895 | 0.32 | AML | other | m | 2022-05-09T08:18:11.93 |
IV.VISG.HHE. | ML:1.3 | 0.000040249999999999996 | 0.6 | AML | other | m | 2022-05-09T08:18:15.66 |
IV.VISG.HHN. | ML:1.1 | 0.000025300000000000002 | 0.4 | AML | other | m | 2022-05-09T08:18:15.56 |
IV.CRE.HHE. | ML:1.2 | 0.00004124999999999999 | 0.46 | AML | other | m | 2022-05-09T08:18:16.36 |
IV.CRE.HHN. | ML:1.5 | 0.00006625 | 0.3 | AML | other | m | 2022-05-09T08:18:18.03 |
IV.BDI.HHN. | ML:1.6 | 0.00006135 | 1.14 | AML | other | m | 2022-05-09T08:18:19.05 |
IV.BDI.HHE. | ML:1.5 | 0.0000518 | 0.34 | AML | other | m | 2022-05-09T08:18:19.97 |