A magnitude ML 0.9 earthquake occured in region: 1 km S San Giovanni Valdarno (AR), on
and geographic coordinates (lat, lon) 43.5620, 11.5320 at 10 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 |
---|---|---|---|---|
San Giovanni Valdarno | AR | 1 | 17018 | 17018 |
Terranuova Bracciolini | AR | 5 | 12346 | 29364 |
Montevarchi | AR | 5 | 24378 | 53742 |
Cavriglia | AR | 5 | 9614 | 63356 |
Castelfranco Piandiscò | AR | 7 | 9632 | 72988 |
Loro Ciuffenna | AR | 9 | 5819 | 78807 |
Bucine | AR | 11 | 10164 | 88971 |
Gaiole in Chianti | SI | 13 | 2758 | 91729 |
Figline e Incisa Valdarno | FI | 13 | 23505 | 115234 |
Reggello | FI | 14 | 16290 | 131524 |
Radda in Chianti | SI | 15 | 1613 | 133137 |
Laterina | AR | 16 | 3517 | 136654 |
Pergine Valdarno | AR | 16 | 3162 | 139816 |
Greve in Chianti | FI | 17 | 13862 | 153678 |
Rignano sull'Arno | FI | 19 | 8651 | 162329 |
Castiglion Fibocchi | AR | 19 | 2167 | 164496 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.9 | 2020-09-08 21:00:21 |
43.5618 | 11.5323 | 10 | 2020-09-08 21:05:06 |
Sala Sismica INGV-Roma | 82744831 |
Field | Value |
---|---|
Time (UTC) | 2020-09-08 21:00:21 ± 0.59 |
Latitude | 43.5618 ± 0.0225 |
Longitude | 11.5323 ± 0.0323 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 82744831 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 3140 |
Semi-minor axis of confidence ellipse (meter) | 1840 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 228 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 3140.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 290 |
Number of associated phases, regardless of their use for origin computation | 9 |
Number of defining phases | 8 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.4 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.41099 |
Number of stations at which the event was observed | 5 |
Number of stations from which data was used for origin computation | 4 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.1 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 82744831 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-09-08 21:05:06 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.SFI.EHZ. | 2020-09-08T21:00:36.27 | 0.6 | undecidable | manual | S | 33 | 45.621 | 50 | -0.28 | 47 |
IT.FIE.HGZ. | 2020-09-08T21:00:35.40 | 3.0 | positive | manual | P | 0 | 0 | |||
IV.ASQU.HHZ. | 2020-09-08T21:00:33.66 | 0.3 | undecidable | manual | S | 38 | 33.2445 | 50 | 0.42 | 70 |
IV.CRE.HHZ. | 2020-09-08T21:00:33.33 | 0.3 | undecidable | manual | S | 79 | 34.2435 | 50 | -0.19 | 74 |
IV.RINC.HHZ. | 2020-09-08T21:00:33.79 | 0.3 | undecidable | manual | S | 9 | 36.5412 | 50 | -0.33 | 71 |
IV.SFI.EHZ. | 2020-09-08T21:00:30.08 | 0.1 | undecidable | manual | P | 33 | 45.621 | 50 | -0.19 | 96 |
IV.ASQU.HHZ. | 2020-09-08T21:00:29.16 | 0.1 | undecidable | manual | P | 38 | 33.2445 | 50 | 0.81 | 81 |
IV.CRE.HHZ. | 2020-09-08T21:00:28.35 | 0.1 | undecidable | manual | P | 79 | 34.2435 | 50 | -0.16 | 99 |
IV.RINC.HHZ. | 2020-09-08T21:00:28.77 | 0.1 | undecidable | manual | P | 9 | 36.5412 | 50 | -0.08 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.CRE.HHN. | ML:0.8 | 0.000024500000000000003 | 0.48 | AML | other | m | 2020-09-08T21:00:30.64 |
IV.ASQU.HHE. | ML:1.1 | 0.00004795 | 0.34 | AML | other | m | 2020-09-08T21:00:34.04 |
IV.ASQU.HHN. | ML:1.0 | 0.000040400000000000006 | 1 | AML | other | m | 2020-09-08T21:00:34.44 |
IV.CRE.HHE. | ML:0.8 | 0.00002465 | 0.76 | AML | other | m | 2020-09-08T21:00:36.03 |