A magnitude ML 1.5 earthquake occured in region: 2 km NW Colle di Val d'Elsa (SI), on
and geographic coordinates (lat, lon) 43.4340, 11.0960 at 5 km depth.
The earthquake was located by: Bollettino Sismico Italiano INGV.
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 | 6 | 29196 | 50816 |
San Gimignano | SI | 6 | 7820 | 58636 |
Monteriggioni | SI | 11 | 9810 | 68446 |
Casole d'Elsa | SI | 11 | 3897 | 72343 |
Certaldo | FI | 14 | 16121 | 88464 |
Barberino Val d'Elsa | FI | 14 | 4386 | 92850 |
Tavarnelle Val di Pesa | FI | 16 | 7800 | 100650 |
Castellina in Chianti | SI | 16 | 2859 | 103509 |
Gambassi Terme | FI | 16 | 4870 | 108379 |
Volterra | PI | 19 | 10519 | 118898 |
Radicondoli | SI | 20 | 914 | 119812 |
Montaione | FI | 20 | 3700 | 123512 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.5 | 2020-01-04 03:27:40 |
43.4342 | 11.0965 | 5 | 2020-07-18 21:08:19 |
Bollettino Sismico Italiano INGV | 76284501 |
Reviewed Rev100 |
ML 1.5 | 2020-01-04 03:27:40 |
43.4287 | 11.1533 | 11 | 2020-01-04 03:36:34 |
Sala Sismica INGV-Roma | 75235741 |
Field | Value |
---|---|
Time (UTC) | 2020-01-04 03:27:40 ± 0.11 |
Latitude | 43.4342 ± 0.0054 |
Longitude | 11.0965 ± 0.0087 |
Depth (km) | 5 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 76284501 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 672 |
Semi-minor axis of confidence ellipse (meter) | 412 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 307 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 670.0 |
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 | 22 |
Number of defining phases | 20 |
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) | 0.72485 |
Number of stations at which the event was observed | 13 |
Number of stations from which data was used for origin computation | 11 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | 0.1 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 75235741 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-01-04 03:36:34 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | 0.2 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 76284501 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2020-03-02 20:47:34 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ARRO.EHZ. | 2020-01-04T03:28:28.67 | 3.0 | undecidable | manual | S | 0.26 | 0 | |||
IV.APEC.HHZ. | 2020-01-04T03:28:11.81 | 3.0 | undecidable | manual | S | -2.88 | 0 | |||
IV.CASP.HHZ. | 2020-01-04T03:28:02.80 | 0.3 | undecidable | manual | S | 195 | 73.7706 | 50 | -0.82 | 54 |
IV.CRE.HHZ. | 2020-01-04T03:28:02.45 | 0.6 | undecidable | manual | S | 73 | 71.7726 | 50 | -0.63 | 39 |
GU.MAIM.HHE. | 2020-01-04T03:28:02.28 | 0.3 | undecidable | manual | S | 318 | 72.0723 | 50 | -0.88 | 53 |
IV.BDI.HHE. | 2020-01-04T03:27:55.07 | 0.1 | undecidable | manual | P | 330 | 80.4639 | 50 | 0.36 | 83 |
IV.CASP.HHZ. | 2020-01-04T03:27:54.06 | 0.1 | undecidable | manual | P | 195 | 73.7706 | 50 | 0.38 | 84 |
IV.CRE.HHZ. | 2020-01-04T03:27:53.47 | 0.1 | undecidable | manual | P | 73 | 71.7726 | 50 | 0.1 | 89 |
GU.MAIM.HHE. | 2020-01-04T03:27:53.88 | 0.1 | undecidable | manual | P | 318 | 72.0723 | 50 | 0.47 | 82 |
IV.CRMI.HNN. | 2020-01-04T03:27:53.90 | 0.3 | undecidable | manual | S | 347 | 41.2254 | 97 | -0.59 | 63 |
IV.MAGO.CHN. | 2020-01-04T03:27:53.68 | 0.6 | undecidable | manual | S | 243 | 39.627 | 97 | -0.28 | 46 |
IV.RONT.HHZ. | 2020-01-04T03:27:53.44 | 0.1 | undecidable | manual | P | 23 | 67.6767 | 50 | 0.7 | 76 |
IV.TRIF.CHZ. | 2020-01-04T03:27:52.97 | 0.6 | undecidable | manual | S | 204 | 38.7279 | 97 | -0.68 | 41 |
IV.FROS.CHZ. | 2020-01-04T03:27:48.99 | 0.6 | undecidable | manual | S | 169 | 25.3524 | 101 | -0.07 | 49 |
IV.CRMI.HNN. | 2020-01-04T03:27:48.29 | 0.1 | undecidable | manual | P | 347 | 41.2254 | 97 | -0.12 | 94 |
IV.MAGO.CHN. | 2020-01-04T03:27:48.39 | 0.1 | positive | manual | P | 243 | 39.627 | 97 | 0.29 | 91 |
IV.TRIF.CHZ. | 2020-01-04T03:27:47.93 | 0.1 | undecidable | manual | P | 204 | 38.7279 | 97 | 0.01 | 96 |
IV.CSNT.HHZ. | 2020-01-04T03:27:45.50 | 0.1 | undecidable | manual | S | 74 | 16.1727 | 107 | -0.47 | 91 |
IV.FROS.CHZ. | 2020-01-04T03:27:45.62 | 0.1 | positive | manual | P | 169 | 25.3524 | 101 | 0.34 | 92 |
IV.OSSC.HHZ. | 2020-01-04T03:27:45.80 | 0.3 | undecidable | manual | S | 50 | 15.5733 | 108 | 0.03 | 75 |
IV.CSNT.HHZ. | 2020-01-04T03:27:43.51 | 0.1 | positive | manual | P | 74 | 16.1727 | 107 | 0.02 | 100 |
IV.OSSC.HHZ. | 2020-01-04T03:27:43.62 | 0.1 | positive | manual | P | 50 | 15.5733 | 108 | 0.24 | 96 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.OSSC.HNN. | ML:1.7 | 0.0005250000000000001 | 1.16 | AML | other | m | 2020-01-04T03:27:46.06 |
IV.OSSC.HHE. | ML:1.6 | 0.000472 | 0.4 | AML | other | m | 2020-01-04T03:27:46.06 |
IV.OSSC.HHN. | ML:1.5 | 0.0003615 | 0.42 | AML | other | m | 2020-01-04T03:27:46.26 |
IV.OSSC.HNE. | ML:1.5 | 0.000328 | 0.42 | AML | other | m | 2020-01-04T03:27:46.05 |
IV.FROS.CHE. | ML:1.4 | 0.000175 | 0.3 | AML | other | m | 2020-01-04T03:27:50.37 |
IV.FROS.CHN. | ML:1.4 | 0.0001705 | 0.62 | AML | other | m | 2020-01-04T03:27:51.84 |
IV.TRIF.CHN. | ML:1.6 | 0.0001505 | 1.3 | AML | other | m | 2020-01-04T03:27:53.91 |
IV.TRIF.CHE. | ML:1.4 | 0.000091942565 | 0.128 | AML | other | m | 2020-01-04T03:27:54.15 |
IV.CASP.HHE. | ML:1.0 | 0.000016103939999999996 | 1.5792 | AML | other | m | 2020-01-04T03:28:02.08 |
IV.CASP.HHN. | ML:1.0 | 0.000014781943499999999 | 0.3008 | AML | other | m | 2020-01-04T03:28:03.52 |