A magnitude ML 0.5 earthquake occured in region: 2 km E Colle di Val d'Elsa (SI), on
and geographic coordinates (lat, lon) 43.4310, 11.1420 at 11 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 |
---|---|---|---|---|
Colle di Val d'Elsa | SI | 2 | 21620 | 21620 |
Poggibonsi | SI | 4 | 29196 | 50816 |
Monteriggioni | SI | 8 | 9810 | 60626 |
San Gimignano | SI | 9 | 7820 | 68446 |
Castellina in Chianti | SI | 13 | 2859 | 71305 |
Casole d'Elsa | SI | 13 | 3897 | 75202 |
Barberino Val d'Elsa | FI | 13 | 4386 | 79588 |
Tavarnelle Val di Pesa | FI | 15 | 7800 | 87388 |
Certaldo | FI | 15 | 16121 | 103509 |
Sovicille | SI | 18 | 10116 | 113625 |
Gambassi Terme | FI | 19 | 4870 | 118495 |
Siena | SI | 20 | 53903 | 172398 |
Radda in Chianti | SI | 20 | 1613 | 174011 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.5 | 2020-01-13 20:57:38 |
43.4307 | 11.1418 | 11 | 2020-01-13 21:20:17 |
Sala Sismica INGV-Roma | 75521881 |
Field | Value |
---|---|
Time (UTC) | 2020-01-13 20:57:38 ± 0.09 |
Latitude | 43.4307 ± 0.0081 |
Longitude | 11.1418 ± 0.0124 |
Depth (km) | 11 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 75521881 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1210 |
Semi-minor axis of confidence ellipse (meter) | 440 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 312 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1210.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 109 |
Number of associated phases, regardless of their use for origin computation | 17 |
Number of defining phases | 11 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.16 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.53330 |
Number of stations at which the event was observed | 12 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 0.5 |
Uncertainty | 0.1 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 75521881 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-01-13 21:20:17 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.SICLA.EHZ. | 2020-01-13T20:59:15.10 | 3.0 | undecidable | manual | Pg | 14.56 | 0 | |||
CR.STON.BHZ. | 2020-01-13T20:58:43.02 | 3.0 | undecidable | manual | Pg | 4.91 | 0 | |||
IV.RMP.HHZ. | 2020-01-13T20:58:33.11 | 3.0 | undecidable | manual | Sg | 6.78 | 0 | |||
CR.ZAG.BHZ. | 2020-01-13T20:58:31.18 | 3.0 | negative | manual | Pg | 1.71 | 0 | |||
IV.VIVA.HHZ. | 2020-01-13T20:58:29.90 | 3.0 | undecidable | manual | Sg | 1.72 | 0 | |||
IV.NDIM.HHZ. | 2020-01-13T20:58:15.53 | 3.0 | undecidable | manual | Sg | -0.03 | 0 | |||
IV.MAGO.CHN. | 2020-01-13T20:57:52.47 | 0.3 | undecidable | manual | S | 246 | 42.7239 | 90 | -0.08 | 72 |
IV.TRIF.CHE. | 2020-01-13T20:57:51.71 | 0.6 | undecidable | manual | S | 209 | 40.0266 | 90 | -0.1 | 48 |
IV.PII.HHN. | 2020-01-13T20:57:49.44 | 1.0 | undecidable | manual | P | 303 | 59.1963 | 90 | 0.23 | 23 |
IV.FROS.CHZ. | 2020-01-13T20:57:47.60 | 0.6 | undecidable | manual | S | 177 | 24.5532 | 90 | -0.08 | 51 |
IV.TRIF.CHE. | 2020-01-13T20:57:46.16 | 0.1 | undecidable | manual | P | 209 | 40.0266 | 90 | -0.1 | 97 |
IV.MAGO.CHN. | 2020-01-13T20:57:46.55 | 0.6 | undecidable | manual | P | 246 | 42.7239 | 90 | -0.14 | 48 |
IV.FROS.CHZ. | 2020-01-13T20:57:44.05 | 0.3 | undecidable | manual | P | 177 | 24.5532 | 90 | 0.17 | 74 |
IV.CSNT.HHZ. | 2020-01-13T20:57:44.34 | 0.3 | undecidable | manual | S | 68 | 12.876 | 101 | -0.21 | 75 |
IV.OSSC.HHZ. | 2020-01-13T20:57:44.60 | 0.3 | undecidable | manual | S | 39 | 13.2756 | 96 | -0.07 | 77 |
IV.OSSC.HHZ. | 2020-01-13T20:57:42.36 | 0.1 | undecidable | manual | P | 39 | 13.2756 | 96 | 0.22 | 100 |
IV.CSNT.HHZ. | 2020-01-13T20:57:42.26 | 0.1 | positive | manual | P | 68 | 12.876 | 101 | 0.19 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.CSNT.HHN. | ML:0.6 | 0.00003825 | 0.42 | AML | other | m | 2020-01-13T20:57:45.39 |
IV.CSNT.HHE. | ML:0.5 | 0.0000292 | 0.42 | AML | other | m | 2020-01-13T20:58:00.38 |