A magnitude ML 1.2 earthquake occured in region: 4 km SE Impruneta (FI), on
and geographic coordinates (lat, lon) 43.6560, 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 | 4 | 14615 | 14615 |
San Casciano in Val di Pesa | FI | 7 | 17062 | 31677 |
Greve in Chianti | FI | 9 | 13862 | 45539 |
Bagno a Ripoli | FI | 12 | 25611 | 71150 |
Firenze | FI | 13 | 382808 | 453958 |
Tavarnelle Val di Pesa | FI | 13 | 7800 | 461758 |
Scandicci | FI | 13 | 50609 | 512367 |
Figline e Incisa Valdarno | FI | 15 | 23505 | 535872 |
Barberino Val d'Elsa | FI | 15 | 4386 | 540258 |
Montespertoli | FI | 16 | 13537 | 553795 |
Rignano sull'Arno | FI | 17 | 8651 | 562446 |
Fiesole | FI | 17 | 13969 | 576415 |
Lastra a Signa | FI | 18 | 20156 | 596571 |
Pontassieve | FI | 19 | 20603 | 617174 |
Signa | FI | 20 | 19179 | 636353 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.2 | 2022-05-18 19:36:40 |
43.6565 | 11.268 | 8 | 2022-05-18 19:50:32 |
Sala Sismica INGV-Roma | 104833151 |
Field | Value |
---|---|
Time (UTC) | 2022-05-18 19:36:40 ± 0.07 |
Latitude | 43.6565 ± 0.0027 |
Longitude | 11.2680 ± 0.0050 |
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 | 104833151 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 438 |
Semi-minor axis of confidence ellipse (meter) | 172 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 266 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 440.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 98 |
Number of associated phases, regardless of their use for origin computation | 23 |
Number of defining phases | 20 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.2 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.35343 |
Number of stations at which the event was observed | 12 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.5 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 104833151 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2022-05-18 19:50:32 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.RIBO.EHZ.01 | 2022-05-18T19:37:05.54 | 3.0 | undecidable | manual | S | -0.1 | 0 | |||
ZH.SEI.HHZ. | 2022-05-18T19:36:57.00 | 3.0 | undecidable | manual | P | 0 | ||||
ZH.SEI.HHZ. | 2022-05-18T19:36:57.99 | 3.0 | undecidable | manual | S | 0 | ||||
IV.MOCL.EHN. | 2022-05-18T19:36:53.86 | 0.3 | undecidable | manual | S | 350 | 39.2274 | 50 | -0.12 | 69 |
IV.BOSL.HHE. | 2022-05-18T19:36:51.62 | 0.3 | undecidable | manual | S | 16 | 31.6461 | 105 | -0.14 | 70 |
IV.RUFI.EHZ. | 2022-05-18T19:36:50.54 | 0.6 | undecidable | manual | S | 44 | 27.9498 | 106 | 0.02 | 48 |
IV.CRMI.HHZ. | 2022-05-18T19:36:50.19 | 0.6 | undecidable | manual | S | 304 | 27.8499 | 107 | -0.29 | 46 |
IV.MOCL.EHN. | 2022-05-18T19:36:48.58 | 0.1 | undecidable | manual | P | 350 | 39.2274 | 50 | 0.33 | 89 |
IV.CSNT.HHZ. | 2022-05-18T19:36:47.78 | 0.3 | undecidable | manual | S | 175 | 20.4684 | 112 | -0.28 | 69 |
ZH.T1646.EHZ. | 2022-05-18T19:36:46.20 | 0.3 | undecidable | manual | S | 271 | 12.7761 | 123 | 0.5 | 67 |
IV.BOSL.HHE. | 2022-05-18T19:36:46.98 | 0.1 | undecidable | manual | P | 16 | 31.6461 | 105 | 0.02 | 96 |
IV.RUFI.EHZ. | 2022-05-18T19:36:46.38 | 0.1 | undecidable | manual | P | 44 | 27.9498 | 106 | 0.13 | 94 |
IV.OSSC.HHZ. | 2022-05-18T19:36:46.32 | 0.3 | undecidable | manual | S | 187 | 14.874 | 119 | 0.01 | 74 |
IV.CRMI.HHZ. | 2022-05-18T19:36:45.99 | 0.1 | undecidable | manual | P | 304 | 27.8499 | 107 | -0.23 | 92 |
ZH.T1647.HNE. | 2022-05-18T19:36:44.28 | 0.3 | undecidable | manual | S | 147 | 6.4935 | 142 | 0.21 | 72 |
IV.CSNT.HHZ. | 2022-05-18T19:36:44.56 | 0.1 | undecidable | manual | P | 175 | 20.4684 | 112 | -0.26 | 93 |
ZH.T1648.EHZ. | 2022-05-18T19:36:43.31 | 0.3 | undecidable | manual | S | 49 | 1.4985 | 169 | -0.02 | 76 |
ZH.T1614.HNE. | 2022-05-18T19:36:43.91 | 0.3 | undecidable | manual | S | 333 | 6.993 | 140 | -0.27 | 71 |
ZH.T1646.EHZ. | 2022-05-18T19:36:43.60 | 0.1 | undecidable | manual | P | 271 | 12.7761 | 123 | 0.14 | 97 |
IV.OSSC.HHZ. | 2022-05-18T19:36:43.74 | 0.1 | undecidable | manual | P | 187 | 14.874 | 119 | -0.08 | 97 |
ZH.T1648.EHZ. | 2022-05-18T19:36:42.10 | 1.0 | undecidable | manual | P | 49 | 1.4985 | 169 | 0 | 25 |
ZH.T1614.HNE. | 2022-05-18T19:36:42.60 | 0.1 | undecidable | manual | P | 333 | 6.993 | 140 | 0.01 | 100 |
ZH.T1647.HNE. | 2022-05-18T19:36:42.73 | 0.1 | undecidable | manual | P | 147 | 6.4935 | 142 | 0.2 | 96 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.OSSC.HHE. | ML:1.0 | 0.00011505000000000002 | 0.14 | AML | other | m | 2022-05-18T19:36:46.48 |
IV.OSSC.HHN. | ML:0.8 | 0.000066643785 | 0.128 | AML | other | m | 2022-05-18T19:36:46.84 |
ZH.T1646.EHE. | ML:1.2 | 0.00018619085000000002 | 0.1408 | AML | other | m | 2022-05-18T19:36:47.03 |
ZH.T1646.EHN. | ML:1.1 | 0.00015473985 | 0.5504 | AML | other | m | 2022-05-18T19:36:46.27 |
ZH.T1648.EHE. | ML:0.0 | 0.0016056184999999998 | 0.0896 | AML | other | m | 2022-05-18T19:36:43.40 |
ZH.T1648.EHN. | ML:0.0 | 0.0011514163 | 0.0768 | AML | other | m | 2022-05-18T19:36:43.37 |
ZH.T1648.HNE. | ML:0.0 | 0.0032491865000000004 | 0.5632 | AML | other | m | 2022-05-18T19:36:42.42 |
ZH.T1648.HNN. | ML:0.0 | 0.0064367285 | 0.6528 | AML | other | m | 2022-05-18T19:36:45.34 |
ZH.T1646.HNE. | ML:2.6 | 0.004139963500000001 | 0.5504 | AML | other | m | 2022-05-18T19:36:46.19 |
ZH.T1646.HNN. | ML:2.5 | 0.00380463 | 1.0624 | AML | other | m | 2022-05-18T19:36:45.91 |
IV.CRMI.HNE. | ML:1.3 | 0.000104704875 | 0.8576 | AML | other | m | 2022-05-18T19:36:52.27 |
IV.CRMI.HNN. | ML:1.6 | 0.0002247755 | 0.96 | AML | other | m | 2022-05-18T19:36:57.20 |
IV.CRMI.HHE. | ML:0.3 | 0.000008519766 | 0.256 | AML | other | m | 2022-05-18T19:36:50.64 |
IV.CRMI.HHN. | ML:0.4 | 0.00001303303 | 0.2176 | AML | other | m | 2022-05-18T19:36:51.64 |
IV.SEI.HHE. | ML:1.2 | 0.000051308025 | 0.5504 | AML | other | m | 2022-05-18T19:37:13.93 |
IV.SEI.HHN. | ML:1.4 | 0.00007075229 | 0.3584 | AML | other | m | 2022-05-18T19:36:57.26 |