A magnitude ML 1.2 earthquake occured in region: 4 km S Impruneta (FI), on
and geographic coordinates (lat, lon) 43.6530, 11.2590 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 | 6 | 17062 | 31677 |
Greve in Chianti | FI | 9 | 13862 | 45539 |
Bagno a Ripoli | FI | 12 | 25611 | 71150 |
Tavarnelle Val di Pesa | FI | 12 | 7800 | 78950 |
Firenze | FI | 13 | 382808 | 461758 |
Scandicci | FI | 13 | 50609 | 512367 |
Barberino Val d'Elsa | FI | 14 | 4386 | 516753 |
Montespertoli | FI | 15 | 13537 | 530290 |
Figline e Incisa Valdarno | FI | 16 | 23505 | 553795 |
Fiesole | FI | 18 | 13969 | 567764 |
Rignano sull'Arno | FI | 18 | 8651 | 576415 |
Lastra a Signa | FI | 18 | 20156 | 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 | 2022-05-04 06:34:46 |
43.6527 | 11.259 | 8 | 2023-01-31 19:03:10 |
Bollettino Sismico Italiano INGV | 104579131 |
Reviewed Rev100 |
ML 1.2 | 2022-05-04 06:34:46 |
43.6492 | 11.2647 | 9 | 2022-05-04 06:39:30 |
Sala Sismica INGV-Roma | 104158541 |
Field | Value |
---|---|
Time (UTC) | 2022-05-04 06:34:46 ± 0.05 |
Latitude | 43.6527 ± 0.0027 |
Longitude | 11.2590 ± 0.0050 |
Depth (km) | 8 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 104579131 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 381 |
Semi-minor axis of confidence ellipse (meter) | 301 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 102 |
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) | 121 |
Number of associated phases, regardless of their use for origin computation | 19 |
Number of defining phases | 18 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.17 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.50182 |
Number of stations at which the event was observed | 10 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.3 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 104579131 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2022-08-31 09:19:16 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.3 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 104158541 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2022-05-04 06:39:30 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
GU.GSCL.HHZ. | 2022-05-04T06:35:17.49 | 3.0 | undecidable | manual | S | 0.07 | 0 | |||
IV.CRE.HHZ. | 2022-05-04T06:35:04.11 | 0.6 | undecidable | manual | S | 94 | 55.6998 | 50 | 0.06 | 47 |
IV.SEI.HHZ. | 2022-05-04T06:35:01.58 | 0.6 | undecidable | manual | S | 10 | 45.2214 | 50 | 0.33 | 45 |
IV.MOCL.EHZ. | 2022-05-04T06:34:59.54 | 0.6 | undecidable | manual | S | 351 | 39.5271 | 50 | -0.2 | 47 |
IV.MPPT.EHN. | 2022-05-04T06:34:58.65 | 0.6 | undecidable | manual | S | 338 | 36.4413 | 50 | -0.24 | 47 |
IV.BOSL.HHZ. | 2022-05-04T06:34:57.39 | 0.6 | undecidable | manual | S | 17 | 32.2455 | 104 | -0.25 | 47 |
IV.RUFI.EHZ. | 2022-05-04T06:34:56.37 | 0.6 | undecidable | manual | S | 44 | 28.749 | 106 | -0.1 | 49 |
IV.CRE.HHZ. | 2022-05-04T06:34:56.59 | 0.3 | undecidable | manual | P | 94 | 55.6998 | 50 | 0.13 | 70 |
IV.CRMI.HHZ. | 2022-05-04T06:34:56.49 | 0.6 | undecidable | manual | S | 305 | 27.4503 | 107 | 0.45 | 46 |
IV.SEI.HHZ. | 2022-05-04T06:34:55.08 | 0.3 | undecidable | manual | P | 10 | 45.2214 | 50 | 0.23 | 69 |
IV.MPPT.EHN. | 2022-05-04T06:34:53.32 | 0.3 | undecidable | manual | P | 338 | 36.4413 | 50 | -0.16 | 72 |
IV.CSNT.HHZ. | 2022-05-04T06:34:53.28 | 0.6 | undecidable | manual | S | 173 | 20.0688 | 112 | -0.35 | 47 |
IV.MOCL.EHZ. | 2022-05-04T06:34:53.84 | 0.3 | undecidable | manual | P | 351 | 39.5271 | 50 | -0.13 | 72 |
IV.RUFI.EHZ. | 2022-05-04T06:34:52.19 | 0.1 | undecidable | manual | P | 44 | 28.749 | 106 | 0.1 | 98 |
IV.BOSL.HHZ. | 2022-05-04T06:34:52.76 | 0.1 | undecidable | manual | P | 17 | 32.2455 | 104 | 0 | 99 |
IV.CRMI.HHZ. | 2022-05-04T06:34:51.71 | 0.1 | undecidable | manual | P | 305 | 27.4503 | 107 | -0.12 | 98 |
IV.OSSC.HHZ. | 2022-05-04T06:34:51.88 | 0.6 | undecidable | manual | S | 184 | 14.3745 | 120 | 0.04 | 51 |
IV.CSNT.HHZ. | 2022-05-04T06:34:50.37 | 0.1 | undecidable | manual | P | 173 | 20.0688 | 112 | -0.08 | 100 |
IV.OSSC.HHZ. | 2022-05-04T06:34:49.60 | 0.1 | undecidable | manual | P | 184 | 14.3745 | 120 | 0.19 | 99 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.OSSC.HHE. | ML:1.9 | 0.0008115 | 0.12 | AML | other | m | 2022-05-04T06:34:52.18 |
IV.OSSC.HHN. | ML:1.4 | 0.00027400000000000005 | 0.98 | AML | other | m | 2022-05-04T06:34:52.20 |
IV.CSNT.HHN. | ML:1.2 | 0.0001325 | 0.16 | AML | other | m | 2022-05-04T06:34:54.54 |
IV.CSNT.HHE. | ML:1.3 | 0.000148 | 0.7 | AML | other | m | 2022-05-04T06:34:55.82 |
IV.CRMI.HHN. | ML:0.8 | 0.000036 | 1.04 | AML | other | m | 2022-05-04T06:34:56.98 |
IV.CRMI.HHE. | ML:0.7 | 0.00002955 | 0.72 | AML | other | m | 2022-05-04T06:34:57.56 |
IV.BOSL.HHN. | ML:0.7 | 0.0000252 | 0.18 | AML | other | m | 2022-05-04T06:34:57.79 |
IV.BOSL.HHE. | ML:1.0 | 0.00004425 | 0.18 | AML | other | m | 2022-05-04T06:34:57.78 |
IV.SEI.HHN. | ML:1.7 | 0.0001615 | 0.26 | AML | other | m | 2022-05-04T06:35:04.56 |
IV.CRE.HHE. | ML:1.1 | 0.00002985 | 0.68 | AML | other | m | 2022-05-04T06:35:05.41 |
IV.CRE.HHN. | ML:1.2 | 0.0000374 | 0.28 | AML | other | m | 2022-05-04T06:35:06.81 |
IV.SEI.HHE. | ML:1.4 | 0.00007835000000000001 | 0.42 | AML | other | m | 2022-05-04T06:35:06.57 |