A magnitude ML 1.1 earthquake occured in region: 6 km NW Casole d'Elsa (SI), on
and geographic coordinates (lat, lon) 43.3850, 11.0070 at 7 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 |
---|---|---|---|---|
Casole d'Elsa | SI | 6 | 3897 | 3897 |
San Gimignano | SI | 10 | 7820 | 11717 |
Colle di Val d'Elsa | SI | 10 | 21620 | 33337 |
Volterra | PI | 12 | 10519 | 43856 |
Radicondoli | SI | 14 | 914 | 44770 |
Pomarance | PI | 14 | 5897 | 50667 |
Poggibonsi | SI | 15 | 29196 | 79863 |
Monteriggioni | SI | 17 | 9810 | 89673 |
Gambassi Terme | FI | 18 | 4870 | 94543 |
Certaldo | FI | 18 | 16121 | 110664 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2020-04-11 11:23:53 |
43.3852 | 11.0067 | 7 | 2020-04-11 11:31:18 |
Sala Sismica INGV-Roma | 78106521 |
Field | Value |
---|---|
Time (UTC) | 2020-04-11 11:23:53 ± 0.12 |
Latitude | 43.3852 ± 0.0099 |
Longitude | 11.0067 ± 0.0099 |
Depth (km) | 7 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 78106521 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1028 |
Semi-minor axis of confidence ellipse (meter) | 691 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 154 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1030.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 111 |
Number of associated phases, regardless of their use for origin computation | 18 |
Number of defining phases | 10 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.29 |
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 | 13 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.4 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 78106521 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-04-11 11:31:18 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.SOI.EHZ. | 2020-04-11T11:25:49.60 | 3.0 | undecidable | manual | Pg | 20.860001 | 0 | |||
XK.SELL.HHZ. | 2020-04-11T11:25:34.07 | 3.0 | negative | manual | Pg | 11.34 | 0 | |||
IV.PIGN.HHZ. | 2020-04-11T11:25:18.85 | 3.0 | undecidable | manual | Sn | -2.53 | 0 | |||
IV.ROSPO.HHZ. | 2020-04-11T11:25:17.03 | 3.0 | undecidable | manual | Sn | -1.73 | 0 | |||
IX.STN3.HHZ.02 | 2020-04-11T11:24:57.64 | 3.0 | negative | manual | Pn | -2.77 | 0 | |||
IV.VIVA.HHZ. | 2020-04-11T11:24:46.38 | 3.0 | undecidable | manual | Sn | -7.66 | 0 | |||
IV.IMOL.HNZ. | 2020-04-11T11:24:30.12 | 3.0 | undecidable | manual | Sg | 0.06 | 0 | |||
IV.CRMI.HNE. | 2020-04-11T11:24:08.77 | 0.6 | undecidable | manual | S | 357 | 45.621 | 50 | -0.38 | 45 |
IV.MAGO.CHZ. | 2020-04-11T11:24:04.25 | 0.6 | undecidable | manual | S | 246 | 30.747 | 103 | -0.27 | 47 |
IV.TRIF.CHN. | 2020-04-11T11:24:03.93 | 0.6 | undecidable | manual | S | 196 | 31.1466 | 102 | -0.73 | 41 |
IV.CRMI.HNE. | 2020-04-11T11:24:02.76 | 0.1 | undecidable | manual | P | 357 | 45.621 | 50 | 0.19 | 94 |
IV.FROS.CHZ. | 2020-04-11T11:24:02.08 | 0.6 | undecidable | manual | S | 148 | 22.8549 | 107 | 0.19 | 49 |
IV.FIR.HHZ. | 2020-04-11T11:24:02.04 | 3.0 | negative | manual | P | -0.42 | 0 | |||
IV.CSNT.HHZ. | 2020-04-11T11:24:02.13 | 0.6 | undecidable | manual | S | 67 | 24.8529 | 105 | -0.41 | 47 |
IV.MAGO.CHZ. | 2020-04-11T11:24:00.19 | 0.1 | undecidable | manual | P | 246 | 30.747 | 103 | 0.29 | 95 |
IV.TRIF.CHN. | 2020-04-11T11:24:00.03 | 0.1 | undecidable | manual | P | 196 | 31.1466 | 102 | 0.05 | 99 |
IV.FROS.CHZ. | 2020-04-11T11:23:58.50 | 0.1 | negative | manual | P | 148 | 22.8549 | 107 | 0.12 | 99 |
IV.CSNT.HHZ. | 2020-04-11T11:23:58.83 | 0.1 | undecidable | manual | P | 67 | 24.8529 | 105 | 0.07 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.CSNT.HHN. | ML:0.6 | 0.000025450000000000002 | 0.1 | AML | other | m | 2020-04-11T11:24:02.42 |
IV.FROS.CHE. | ML:1.4 | 0.000167 | 0.3 | AML | other | m | 2020-04-11T11:24:02.30 |
IV.CSNT.HHE. | ML:0.6 | 0.000026500000000000004 | 0.08 | AML | other | m | 2020-04-11T11:24:02.51 |
IV.FROS.CHN. | ML:1.2 | 0.00009920000000000001 | 0.36 | AML | other | m | 2020-04-11T11:24:03.52 |
IV.MAGO.CHN. | ML:1.0 | 0.0000435 | 0.88 | AML | other | m | 2020-04-11T11:24:06.84 |
IV.MAGO.CHE. | ML:1.0 | 0.000044899999999999994 | 0.12 | AML | other | m | 2020-04-11T11:24:07.67 |
IV.FIR.HHN. | ML:1.9 | 0.0002115 | 0.42 | AML | other | m | 2020-04-11T11:24:10.45 |
IV.FIR.HHE. | ML:1.8 | 0.0001835 | 0.9 | AML | other | m | 2020-04-11T11:24:11.46 |