A magnitude ML 0.9 earthquake occured in region: 2 km W Monteriggioni (SI), on
and geographic coordinates (lat, lon) 43.4010, 11.1910 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 |
---|---|---|---|---|
Monteriggioni | SI | 3 | 9810 | 9810 |
Colle di Val d'Elsa | SI | 6 | 21620 | 31430 |
Poggibonsi | SI | 8 | 29196 | 60626 |
Castellina in Chianti | SI | 11 | 2859 | 63485 |
Casole d'Elsa | SI | 14 | 3897 | 67382 |
Sovicille | SI | 14 | 10116 | 77498 |
San Gimignano | SI | 14 | 7820 | 85318 |
Siena | SI | 15 | 53903 | 139221 |
Barberino Val d'Elsa | FI | 16 | 4386 | 143607 |
Radda in Chianti | SI | 18 | 1613 | 145220 |
Tavarnelle Val di Pesa | FI | 18 | 7800 | 153020 |
Radicondoli | SI | 20 | 914 | 153934 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.9 | 2020-04-07 05:48:45 |
43.4012 | 11.1908 | 8 | 2020-04-07 06:38:39 |
Sala Sismica INGV-Roma | 77968201 |
Field | Value |
---|---|
Time (UTC) | 2020-04-07 05:48:45 ± 0.06 |
Latitude | 43.4012 ± 0.0018 |
Longitude | 11.1908 ± 0.0025 |
Depth (km) | 8 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 77968201 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 240 |
Semi-minor axis of confidence ellipse (meter) | 218 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 200 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 240.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 151 |
Number of associated phases, regardless of their use for origin computation | 16 |
Number of defining phases | 5 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.11 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.42268 |
Number of stations at which the event was observed | 14 |
Number of stations from which data was used for origin computation | 3 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.2 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 77968201 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-04-07 06:38:39 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.RAFF.HHZ. | 2020-04-07T05:50:33.22 | 3.0 | undecidable | manual | Pg | 19.15 | 0 | |||
IV.CGL.BHZ. | 2020-04-07T05:50:30.46 | 3.0 | undecidable | manual | Sn | -6.46 | 0 | |||
IV.ROSPO.HHZ. | 2020-04-07T05:49:54.05 | 3.0 | undecidable | manual | Sn | 1.54 | 0 | |||
IV.IFIL.HHZ. | 2020-04-07T05:49:53.70 | 3.0 | negative | manual | Pn | -4.02 | 0 | |||
IV.TDS.HHZ. | 2020-04-07T05:49:52.27 | 3.0 | undecidable | manual | Pn | -2.54 | 0 | |||
IV.SGO.HNZ. | 2020-04-07T05:49:45.30 | 3.0 | undecidable | manual | Pg | 7.02 | 0 | |||
GU.RNCA.HHZ. | 2020-04-07T05:49:40.72 | 3.0 | undecidable | manual | Sn | 1.09 | 0 | |||
IV.GIUL.HHZ. | 2020-04-07T05:49:38.37 | 3.0 | undecidable | manual | Sn | -3.64 | 0 | |||
IV.CIGN.HHZ. | 2020-04-07T05:49:28.01 | 3.0 | undecidable | manual | Pn | 3.23 | 0 | |||
IV.OFFI.HHZ. | 2020-04-07T05:49:24.08 | 3.0 | undecidable | manual | Sn | -0.7 | 0 | |||
IV.CRMI.HHN. | 2020-04-07T05:48:54.21 | 0.1 | undecidable | manual | P | 339 | 46.9197 | 50 | -0.01 | 94 |
IV.FROS.CHZ. | 2020-04-07T05:48:53.09 | 0.1 | undecidable | manual | S | 188 | 21.3675 | 111 | -0.05 | 98 |
IV.CSNT.HHZ. | 2020-04-07T05:48:50.06 | 0.1 | undecidable | manual | S | 45 | 11.2776 | 126 | 0.03 | 100 |
IV.ASQU.HHZ. | 2020-04-07T05:48:50.29 | 3.0 | undecidable | manual | P | 0 | ||||
IV.FROS.CHZ. | 2020-04-07T05:48:49.87 | 0.1 | positive | manual | P | 188 | 21.3675 | 111 | 0.09 | 97 |
IV.CSNT.HHZ. | 2020-04-07T05:48:47.94 | 0.1 | positive | manual | P | 45 | 11.2776 | 126 | -0.05 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.CSNT.HHE. | ML:0.7 | 0.00006095 | 0.2 | AML | other | m | 2020-04-07T05:48:50.15 |
IV.CSNT.HHN. | ML:1.0 | 0.00011479999999999999 | 0.6 | AML | other | m | 2020-04-07T05:48:50.07 |
IV.FROS.CHE. | ML:1.1 | 0.00009204999999999999 | 0.92 | AML | other | m | 2020-04-07T05:48:53.31 |
IV.FROS.CHN. | ML:1.0 | 0.0000707 | 1.28 | AML | other | m | 2020-04-07T05:48:53.05 |