A magnitude ML 1.0 earthquake occured in region: 4 km S Impruneta (FI), on
and geographic coordinates (lat, lon) 43.6510, 11.2640 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 | 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 | 14 | 50609 | 512367 |
Barberino Val d'Elsa | FI | 14 | 4386 | 516753 |
Figline e Incisa Valdarno | FI | 15 | 23505 | 540258 |
Montespertoli | FI | 15 | 13537 | 553795 |
Rignano sull'Arno | FI | 17 | 8651 | 562446 |
Fiesole | FI | 18 | 13969 | 576415 |
Lastra a Signa | FI | 18 | 20156 | 596571 |
Signa | FI | 20 | 19179 | 615750 |
Pontassieve | FI | 20 | 20603 | 636353 |
Castellina in Chianti | SI | 20 | 2859 | 639212 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.0 | 2022-05-12 07:44:48 |
43.6507 | 11.2638 | 9 | 2023-01-31 19:03:29 |
Bollettino Sismico Italiano INGV | 108058531 |
Reviewed Rev100 |
ML 1.1 | 2022-05-12 07:44:48 |
43.6572 | 11.2392 | 7 | 2022-05-12 07:49:22 |
Sala Sismica INGV-Roma | 104522901 |
Field | Value |
---|---|
Time (UTC) | 2022-05-12 07:44:48 ± 0.07 |
Latitude | 43.6507 ± 0.0036 |
Longitude | 11.2638 ± 0.0062 |
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 | 108058531 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 478 |
Semi-minor axis of confidence ellipse (meter) | 357 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 99 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 480.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 99 |
Number of associated phases, regardless of their use for origin computation | 18 |
Number of defining phases | 18 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.19 |
Epicentral distance of station closest to the epicenter (degree) | 0.01979 |
Epicentral distance of station farthest from the epicenter (degree) | 0.40919 |
Number of stations at which the event was observed | 9 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.2 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 108058531 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2022-08-03 10:31:16 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.2 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 104522901 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2022-05-12 07:49:22 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.SEI.HHZ. | 2022-05-12T07:45:03.93 | 0.6 | undecidable | manual | S | 10 | 45.4212 | 50 | 0.35 | 44 |
IV.BOSL.HHZ. | 2022-05-12T07:44:59.68 | 0.6 | undecidable | manual | S | 16 | 32.3454 | 50 | -0.41 | 44 |
IV.CRMI.HHZ. | 2022-05-12T07:44:58.41 | 0.6 | undecidable | manual | S | 305 | 27.8499 | 108 | -0.26 | 46 |
IV.RUFI.EHZ. | 2022-05-12T07:44:58.95 | 0.6 | undecidable | manual | S | 43 | 28.6491 | 107 | 0.04 | 48 |
IV.SEI.HHZ. | 2022-05-12T07:44:57.50 | 0.3 | undecidable | manual | P | 10 | 45.4212 | 50 | 0.29 | 66 |
IV.CSNT.HHZ. | 2022-05-12T07:44:55.76 | 0.6 | undecidable | manual | S | 174 | 19.7691 | 114 | -0.28 | 46 |
IV.BOSL.HHZ. | 2022-05-12T07:44:55.10 | 0.3 | undecidable | manual | P | 16 | 32.3454 | 50 | -0.1 | 70 |
ZH.T1646.EHZ. | 2022-05-12T07:44:54.28 | 0.6 | undecidable | manual | S | 274 | 12.4764 | 125 | 0.45 | 45 |
IV.CRMI.HHZ. | 2022-05-12T07:44:54.08 | 0.3 | undecidable | manual | P | 305 | 27.8499 | 108 | -0.3 | 68 |
IV.OSSC.HHZ. | 2022-05-12T07:44:54.35 | 0.6 | undecidable | manual | S | 186 | 14.1747 | 122 | 0.04 | 49 |
IV.RUFI.EHZ. | 2022-05-12T07:44:54.57 | 0.1 | positive | manual | P | 43 | 28.6491 | 107 | 0.05 | 95 |
IV.CSNT.HHZ. | 2022-05-12T07:44:52.63 | 0.3 | undecidable | manual | P | 174 | 19.7691 | 114 | -0.23 | 70 |
ZH.T1647.EHZ. | 2022-05-12T07:44:52.48 | 0.6 | undecidable | manual | S | 142 | 6.1938 | 145 | 0.21 | 48 |
ZH.T1648.EHN. | 2022-05-12T07:44:51.43 | 0.6 | undecidable | manual | S | 42 | 2.1978 | 166 | -0.26 | 48 |
ZH.T1646.EHZ. | 2022-05-12T07:44:51.71 | 0.3 | undecidable | manual | P | 274 | 12.4764 | 125 | 0.13 | 72 |
IV.OSSC.HHZ. | 2022-05-12T07:44:51.98 | 0.3 | undecidable | manual | P | 186 | 14.1747 | 122 | 0.12 | 72 |
ZH.T1648.EHN. | 2022-05-12T07:44:50.30 | 0.1 | undecidable | manual | P | 42 | 2.1978 | 166 | -0.04 | 100 |
ZH.T1647.EHZ. | 2022-05-12T07:44:50.79 | 0.1 | undecidable | manual | P | 142 | 6.1938 | 145 | 0.11 | 98 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.OSSC.HHN. | ML:1.1 | 0.0001185 | 0.3 | AML | other | m | 2022-05-12T07:44:54.78 |
IV.OSSC.HHE. | ML:1.3 | 0.00021250000000000002 | 0.26 | AML | other | m | 2022-05-12T07:44:54.80 |
IV.CSNT.HHN. | ML:0.9 | 0.00006309999999999999 | 0.22 | AML | other | m | 2022-05-12T07:44:57.11 |
IV.CSNT.HHE. | ML:1.1 | 0.00009490000000000002 | 1.18 | AML | other | m | 2022-05-12T07:44:57.31 |
IV.BOSL.HHE. | ML:1.0 | 0.0000447 | 1.8 | AML | other | m | 2022-05-12T07:45:00.04 |
IV.BOSL.HHN. | ML:0.8 | 0.000027799999999999998 | 0.16 | AML | other | m | 2022-05-12T07:45:00.40 |