A magnitude ML 0.9 earthquake occured in region: 3 km SE Impruneta (FI), on
and geographic coordinates (lat, lon) 43.6610, 11.2680 at 8 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 | 7 | 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 |
Figline e Incisa Valdarno | FI | 15 | 23505 | 535872 |
Barberino Val d'Elsa | FI | 15 | 4386 | 540258 |
Montespertoli | FI | 16 | 13537 | 553795 |
Fiesole | FI | 16 | 13969 | 567764 |
Rignano sull'Arno | FI | 17 | 8651 | 576415 |
Lastra a Signa | FI | 18 | 20156 | 596571 |
Pontassieve | FI | 19 | 20603 | 617174 |
Signa | FI | 19 | 19179 | 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 0.9 | 2022-05-19 01:11:24 |
43.6612 | 11.2683 | 8 | 2022-05-19 01:17:36 |
Sala Sismica INGV-Roma | 104842641 |
Field | Value |
---|---|
Time (UTC) | 2022-05-19 01:11:24 ± 0.16 |
Latitude | 43.6612 ± 0.0036 |
Longitude | 11.2683 ± 0.0062 |
Depth (km) | 8 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 104842641 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 399 |
Semi-minor axis of confidence ellipse (meter) | 329 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 254 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 400.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 95 |
Number of associated phases, regardless of their use for origin computation | 14 |
Number of defining phases | 14 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.14 |
Epicentral distance of station closest to the epicenter (degree) | 0.01079 |
Epicentral distance of station farthest from the epicenter (degree) | 0.18886 |
Number of stations at which the event was observed | 7 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.1 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 104842641 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2022-05-19 01:17:36 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CSNT.HHZ. | 2022-05-19T01:11:32.22 | 0.6 | undecidable | manual | S | 175 | 20.9679 | 111 | -0.27 | 46 |
ZH.T1646.EHZ. | 2022-05-19T01:11:30.22 | 0.6 | undecidable | manual | S | 269 | 12.876 | 123 | 0.25 | 47 |
IV.OSSC.HHZ. | 2022-05-19T01:11:30.76 | 0.6 | undecidable | manual | S | 187 | 15.3735 | 118 | 0.03 | 49 |
ZH.T1618.EHE. | 2022-05-19T01:11:29.95 | 0.6 | undecidable | manual | S | 232 | 12.876 | 123 | -0.03 | 49 |
IV.OSSC.HHZ. | 2022-05-19T01:11:28.18 | 0.1 | undecidable | manual | P | 187 | 15.3735 | 118 | 0 | 99 |
IV.CSNT.HHZ. | 2022-05-19T01:11:28.95 | 0.6 | positive | manual | P | 175 | 20.9679 | 111 | -0.24 | 47 |
ZH.T1647.HNE. | 2022-05-19T01:11:28.46 | 0.6 | undecidable | manual | S | 150 | 6.993 | 140 | 0.03 | 50 |
ZH.T1614.HNE. | 2022-05-19T01:11:28.07 | 0.6 | undecidable | manual | S | 331 | 6.5934 | 141 | -0.27 | 47 |
ZH.T1646.EHZ. | 2022-05-19T01:11:27.69 | 0.1 | undecidable | manual | P | 269 | 12.876 | 123 | -0.05 | 98 |
ZH.T1647.HNE. | 2022-05-19T01:11:27.09 | 0.1 | undecidable | manual | P | 150 | 6.993 | 140 | 0.24 | 95 |
ZH.T1648.EHZ. | 2022-05-19T01:11:27.51 | 0.6 | undecidable | manual | S | 66 | 1.1988 | 171 | -0.06 | 50 |
ZH.T1618.EHE. | 2022-05-19T01:11:27.78 | 0.1 | undecidable | manual | P | 232 | 12.876 | 123 | 0.04 | 99 |
ZH.T1614.HNE. | 2022-05-19T01:11:26.78 | 0.1 | undecidable | manual | P | 331 | 6.5934 | 141 | -0.02 | 100 |
ZH.T1648.EHZ. | 2022-05-19T01:11:26.42 | 0.1 | positive | manual | P | 66 | 1.1988 | 171 | 0.07 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
ZH.T1646.EHN. | ML:1.0 | 0.000114 | 0.4 | AML | other | m | 2022-05-19T01:11:32.38 |
ZH.T1646.EHE. | ML:0.9 | 0.0000872 | 0.22 | AML | other | m | 2022-05-19T01:11:32.55 |