A magnitude ML 1.8 earthquake occured in region: 9 km N Siena (SI), on
and geographic coordinates (lat, lon) 43.3960, 11.3400 at 8 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 |
---|---|---|---|---|
Siena | SI | 9 | 53903 | 53903 |
Castellina in Chianti | SI | 9 | 2859 | 56762 |
Monteriggioni | SI | 10 | 9810 | 66572 |
Radda in Chianti | SI | 11 | 1613 | 68185 |
Gaiole in Chianti | SI | 11 | 2758 | 70943 |
Castelnuovo Berardenga | SI | 14 | 9097 | 80040 |
Sovicille | SI | 16 | 10116 | 90156 |
Poggibonsi | SI | 18 | 29196 | 119352 |
Colle di Val d'Elsa | SI | 18 | 21620 | 140972 |
Cavriglia | AR | 19 | 9614 | 150586 |
Monteroni d'Arbia | SI | 19 | 9088 | 159674 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.8 | 2020-09-14 04:56:00 |
43.3962 | 11.3403 | 8 | 2021-02-26 14:56:15 |
Bollettino Sismico Italiano INGV | 86350751 |
Reviewed Rev100 |
ML 1.8 | 2020-09-14 04:56:00 |
43.3962 | 11.3468 | 8 | 2020-09-14 05:08:28 |
Sala Sismica INGV-Roma | 82891221 |
Field | Value |
---|---|
Time (UTC) | 2020-09-14 04:56:00 ± 0.1 |
Latitude | 43.3962 ± 0.0045 |
Longitude | 11.3403 ± 0.0074 |
Depth (km) | 8 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 86350751 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 475 |
Semi-minor axis of confidence ellipse (meter) | 433 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 282 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 480.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 70 |
Number of associated phases, regardless of their use for origin computation | 32 |
Number of defining phases | 32 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.3 |
Epicentral distance of station closest to the epicenter (degree) | 0.08544 |
Epicentral distance of station farthest from the epicenter (degree) | 0.92450 |
Number of stations at which the event was observed | 18 |
Number of stations from which data was used for origin computation | 18 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.3 |
Num. used stations | 14 |
Type of magnitude | ML |
Reference to an origin | 86350751 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-01-18 10:38:07 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.3 |
Num. used stations | 16 |
Type of magnitude | ML |
Reference to an origin | 82891221 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-09-14 05:08:28 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.PARC.HHZ. | 2020-09-14T04:56:24.84 | 0.3 | undecidable | manual | S | 69 | 77.4669 | 50 | 0.21 | 66 |
IV.PII.HHZ. | 2020-09-14T04:56:23.84 | 0.3 | undecidable | manual | S | 299 | 74.8695 | 50 | -0.08 | 68 |
IV.RONT.HHZ. | 2020-09-14T04:56:22.30 | 0.3 | undecidable | manual | S | 6 | 66.6777 | 50 | 0.56 | 61 |
IV.SFI.HNN. | 2020-09-14T04:56:22.57 | 0.6 | undecidable | manual | S | 36 | 69.5748 | 50 | 0.06 | 46 |
IV.ARCI.HHZ. | 2020-09-14T04:56:20.11 | 0.6 | undecidable | manual | S | 170 | 61.3941 | 50 | -0.21 | 45 |
IV.RINC.HHN. | 2020-09-14T04:56:19.57 | 0.6 | undecidable | manual | S | 21 | 58.3971 | 50 | 0.03 | 47 |
IV.CRE.HHE. | 2020-09-14T04:56:18.83 | 0.6 | undecidable | manual | S | 63 | 55.0005 | 50 | 0.2 | 46 |
IV.NARO.HHZ. | 2020-09-14T04:56:18.11 | 0.6 | undecidable | manual | P | 76 | 102.6195 | 50 | -0.33 | 41 |
IV.ASQU.HHE. | 2020-09-14T04:56:18.60 | 0.6 | undecidable | manual | S | 39 | 57.1983 | 50 | -0.62 | 41 |
IV.CRMI.HNZ. | 2020-09-14T04:56:17.79 | 0.6 | undecidable | manual | S | 327 | 52.9026 | 50 | -0.29 | 45 |
IV.MURB.HNZ. | 2020-09-14T04:56:17.61 | 0.6 | undecidable | manual | P | 98 | 96.7254 | 50 | 0.08 | 43 |
IV.CAFI.HHZ. | 2020-09-14T04:56:17.01 | 0.3 | undecidable | manual | S | 98 | 51.0156 | 50 | -0.55 | 63 |
IV.RUFI.EHZ. | 2020-09-14T04:56:17.08 | 0.6 | undecidable | manual | S | 15 | 50.8158 | 50 | -0.44 | 44 |
IV.TRIF.CHE. | 2020-09-14T04:56:16.42 | 0.3 | undecidable | manual | S | 229 | 47.2194 | 50 | -0.12 | 71 |
IV.PARC.HHZ. | 2020-09-14T04:56:14.90 | 0.3 | undecidable | manual | P | 69 | 77.4669 | 50 | 0.33 | 64 |
IV.SFI.HNN. | 2020-09-14T04:56:14.01 | 0.3 | undecidable | manual | P | 36 | 69.5748 | 50 | 0.67 | 59 |
IV.RONT.HHZ. | 2020-09-14T04:56:13.40 | 0.6 | undecidable | manual | P | 6 | 66.6777 | 50 | 0.5 | 42 |
IV.PII.HHZ. | 2020-09-14T04:56:13.97 | 0.6 | undecidable | manual | P | 299 | 74.8695 | 50 | -0.19 | 44 |
IV.ASQU.HHE. | 2020-09-14T04:56:12.11 | 0.6 | undecidable | manual | P | 39 | 57.1983 | 50 | 0.66 | 40 |
TV.SF04.EHZ. | 2020-09-14T04:56:12.16 | 0.3 | undecidable | manual | P | 157 | 67.377 | 50 | -0.85 | 55 |
IV.RIBO.EHZ.01 | 2020-09-14T04:56:11.08 | 0.6 | undecidable | manual | P | 206 | 55.0005 | 50 | -0.03 | 47 |
IV.CRE.HHE. | 2020-09-14T04:56:11.66 | 0.3 | undecidable | manual | P | 63 | 55.0005 | 50 | 0.55 | 63 |
IV.ARCI.HHZ. | 2020-09-14T04:56:11.90 | 0.6 | undecidable | manual | P | 170 | 61.3941 | 50 | -0.19 | 45 |
IV.RINC.HHN. | 2020-09-14T04:56:11.81 | 0.6 | undecidable | manual | P | 21 | 58.3971 | 50 | 0.18 | 46 |
IV.CAFI.HHZ. | 2020-09-14T04:56:10.18 | 0.3 | undecidable | manual | P | 98 | 51.0156 | 50 | -0.31 | 67 |
IV.RUFI.EHZ. | 2020-09-14T04:56:10.33 | 0.1 | undecidable | manual | P | 15 | 50.8158 | 50 | -0.14 | 93 |
IV.FROS.CHN. | 2020-09-14T04:56:10.47 | 0.3 | undecidable | manual | S | 216 | 25.4523 | 108 | 0.36 | 70 |
IV.CRMI.HNZ. | 2020-09-14T04:56:10.58 | 0.3 | undecidable | manual | P | 327 | 52.9026 | 50 | -0.21 | 69 |
IV.TRIF.CHE. | 2020-09-14T04:56:10.41 | 0.6 | undecidable | manual | P | 229 | 47.2194 | 50 | 0.51 | 43 |
IV.FROS.CHN. | 2020-09-14T04:56:06.59 | 0.3 | undecidable | manual | P | 216 | 25.4523 | 108 | 0.4 | 69 |
IV.CSNT.HHZ. | 2020-09-14T04:56:04.79 | 0.1 | undecidable | manual | S | 335 | 9.4794 | 131 | -0.36 | 96 |
IV.CSNT.HHZ. | 2020-09-14T04:56:03.17 | 0.1 | negative | manual | P | 335 | 9.4794 | 131 | -0.16 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.CSNT.HHE. | ML:2.1 | 0.001825 | 1.02 | AML | other | m | 2020-09-14T04:56:04.86 |
IV.CSNT.HHN. | ML:2.1 | 0.002025 | 0.1 | AML | other | m | 2020-09-14T04:56:04.96 |
IV.CAFI.HHN. | ML:1.2 | 0.0000408 | 0.98 | AML | other | m | 2020-09-14T04:56:17.90 |
IV.CAFI.HHE. | ML:1.4 | 0.00006845000000000001 | 1.32 | AML | other | m | 2020-09-14T04:56:17.25 |
IV.ARCI.HHE. | ML:1.7 | 0.000096 | 0.68 | AML | other | m | 2020-09-14T04:56:21.38 |
IV.ARCI.HHN. | ML:1.5 | 0.00006735 | 0.24 | AML | other | m | 2020-09-14T04:56:22.38 |
IV.PII.HHE. | ML:1.7 | 0.00007875 | 1.12 | AML | other | m | 2020-09-14T04:56:25.74 |
IV.RONT.HHN. | ML:2.1 | 0.000216 | 1.16 | AML | other | m | 2020-09-14T04:56:25.82 |
IV.PII.HHN. | ML:1.8 | 0.0000901 | 0.62 | AML | other | m | 2020-09-14T04:56:25.44 |
IV.RONT.HHE. | ML:2.2 | 0.000305 | 0.42 | AML | other | m | 2020-09-14T04:56:26.23 |
IV.PARC.HHE. | ML:1.6 | 0.0000528 | 0.54 | AML | other | m | 2020-09-14T04:56:29.30 |
IV.PARC.HHN. | ML:1.6 | 0.00005645 | 0.58 | AML | other | m | 2020-09-14T04:56:29.12 |
IV.MURB.HHN. | ML:1.9 | 0.00008219999999999999 | 0.88 | AML | other | m | 2020-09-14T04:56:34.44 |
IV.MURB.HHE. | ML:1.8 | 0.0000704 | 0.28 | AML | other | m | 2020-09-14T04:56:35.11 |