A magnitude ML 1.8 earthquake occured in region: 1 km W Siena (SI), on
and geographic coordinates (lat, lon) 43.3190, 11.3200 at 9 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 | 1 | 53903 | 53903 |
Sovicille | SI | 9 | 10116 | 64019 |
Monteriggioni | SI | 12 | 9810 | 73829 |
Monteroni d'Arbia | SI | 13 | 9088 | 82917 |
Castelnuovo Berardenga | SI | 15 | 9097 | 92014 |
Castellina in Chianti | SI | 17 | 2859 | 94873 |
Murlo | SI | 18 | 2389 | 97262 |
Gaiole in Chianti | SI | 19 | 2758 | 100020 |
Radda in Chianti | SI | 19 | 1613 | 101633 |
Colle di Val d'Elsa | SI | 20 | 21620 | 123253 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.8 | 2023-02-08 22:59:19 |
43.3187 | 11.3203 | 9 | 2024-03-01 17:18:15 |
Bollettino Sismico Italiano INGV | 120582531 |
Reviewed Rev100 |
ML 1.8 | 2023-02-08 22:59:19 |
43.3253 | 11.3218 | 9 | 2023-02-08 23:05:37 |
Sala Sismica INGV-Roma | 114274341 |
Field | Value |
---|---|
Time (UTC) | 2023-02-08 22:59:19 ± 0.11 |
Latitude | 43.3187 ± 0.0045 |
Longitude | 11.3203 ± 0.0124 |
Depth (km) | 9 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 120582531 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 900 |
Semi-minor axis of confidence ellipse (meter) | 520 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 287 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 900.0 |
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 | 37 |
Number of defining phases | 29 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.36 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.69877 |
Number of stations at which the event was observed | 25 |
Number of stations from which data was used for origin computation | 18 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.2 |
Num. used stations | 14 |
Type of magnitude | ML |
Reference to an origin | 114274341 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-02-08 23:05:37 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.2 |
Num. used stations | 14 |
Type of magnitude | ML |
Reference to an origin | 120582531 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2023-08-29 10:15:35 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MCRV.HHZ. | 2023-02-08T23:01:07.25 | 3.0 | undecidable | manual | Sn | 2.31 | 0 | |||
IV.PAOL.HHZ. | 2023-02-08T23:01:02.73 | 3.0 | undecidable | manual | Sg | 10.07 | 0 | |||
IV.CET2.HHZ. | 2023-02-08T23:00:56.03 | 3.0 | undecidable | manual | Pg | 19.01 | 0 | |||
IV.PIGN.HHZ. | 2023-02-08T23:00:44.60 | 3.0 | undecidable | manual | Sn | -0.08 | 0 | |||
IV.POFI.HHZ. | 2023-02-08T23:00:40.42 | 3.0 | undecidable | manual | Sg | 10.71 | 0 | |||
IV.MCRV.HHZ. | 2023-02-08T23:00:26.98 | 3.0 | undecidable | manual | Pg | 8.07 | 0 | |||
IV.MURB.HHZ. | 2023-02-08T22:59:53.61 | 3.0 | undecidable | manual | S | 0.96 | 0 | |||
IV.MC2.EHZ. | 2023-02-08T22:59:48.23 | 3.0 | undecidable | manual | P | 2.24 | 0 | |||
IV.BOSL.HHZ. | 2023-02-08T22:59:40.53 | 0.6 | undecidable | manual | S | 4 | 68.0763 | 50 | -0.22 | 45 |
TV.SF11.HHZ. | 2023-02-08T22:59:37.70 | 0.6 | undecidable | manual | S | 150 | 57.7977 | 50 | -0.3 | 45 |
IV.RUFI.EHZ. | 2023-02-08T22:59:37.94 | 0.6 | undecidable | manual | S | 15 | 59.5959 | 50 | -0.55 | 42 |
IV.ARCI.HHZ. | 2023-02-08T22:59:36.84 | 0.6 | undecidable | manual | S | 166 | 53.3022 | 50 | 0.04 | 48 |
IV.CAFI.HHZ. | 2023-02-08T22:59:35.46 | 0.6 | undecidable | manual | S | 88 | 52.1034 | 50 | -1.04 | 35 |
IV.VMGN.HHN. | 2023-02-08T22:59:33.04 | 0.3 | undecidable | manual | P | 14 | 72.5718 | 50 | 0.53 | 62 |
IV.SFI.HNN. | 2023-02-08T22:59:33.92 | 0.3 | undecidable | manual | P | 33 | 77.5668 | 50 | 0.65 | 59 |
IV.CASP.HHE. | 2023-02-08T22:59:32.65 | 0.3 | undecidable | manual | P | 212 | 69.1752 | 50 | 0.66 | 60 |
IV.TRIF.CHZ. | 2023-02-08T22:59:32.94 | 0.3 | undecidable | manual | S | 236 | 40.626 | 50 | -0.49 | 67 |
IV.BOSL.HHZ. | 2023-02-08T22:59:32.19 | 0.1 | undecidable | manual | P | 4 | 68.0763 | 50 | 0.38 | 87 |
IV.SACS.HHE. | 2023-02-08T22:59:32.49 | 0.3 | undecidable | manual | P | 137 | 70.6737 | 50 | 0.28 | 67 |
IV.SSP9.EHZ. | 2023-02-08T22:59:32.97 | 0.3 | undecidable | manual | P | 66 | 71.1732 | 50 | 0.68 | 59 |
IV.MALA4.EHZ. | 2023-02-08T22:59:31.49 | 0.6 | undecidable | manual | S | 160 | 36.9297 | 50 | -0.96 | 37 |
IV.MCIV.CHE. | 2023-02-08T22:59:31.68 | 0.3 | undecidable | manual | P | 154 | 66.4779 | 50 | 0.11 | 70 |
IV.CRE.HHZ. | 2023-02-08T22:59:31.25 | 0.3 | undecidable | manual | P | 57 | 60.7947 | 50 | 0.56 | 63 |
IV.MALA1.EHN. | 2023-02-08T22:59:31.66 | 0.6 | undecidable | manual | S | 160 | 37.1295 | 50 | -0.84 | 39 |
TV.SF11.HHZ. | 2023-02-08T22:59:30.32 | 0.1 | undecidable | manual | P | 150 | 57.7977 | 50 | 0.1 | 95 |
IV.RUFI.EHZ. | 2023-02-08T22:59:30.78 | 0.1 | undecidable | manual | P | 15 | 59.5959 | 50 | 0.28 | 91 |
IV.CAFI.HHZ. | 2023-02-08T22:59:29.29 | 0.3 | undecidable | manual | P | 88 | 52.1034 | 50 | -0.07 | 72 |
IV.ARCI.HHZ. | 2023-02-08T22:59:29.47 | 0.3 | undecidable | manual | P | 166 | 53.3022 | 50 | -0.06 | 72 |
IV.OSSC.HHZ. | 2023-02-08T22:59:27.78 | 0.3 | undecidable | manual | S | 345 | 23.5542 | 110 | -0.51 | 69 |
IV.TRIF.CHZ. | 2023-02-08T22:59:27.67 | 0.3 | undecidable | manual | P | 236 | 40.626 | 50 | 0.09 | 73 |
IV.MALA1.EHN. | 2023-02-08T22:59:26.79 | 0.3 | undecidable | manual | P | 160 | 37.1295 | 50 | -0.25 | 71 |
IV.FROS.CHZ. | 2023-02-08T22:59:26.64 | 0.6 | undecidable | manual | S | 228 | 17.9709 | 116 | 0.14 | 50 |
IV.MALA4.EHZ. | 2023-02-08T22:59:26.89 | 0.3 | undecidable | manual | P | 160 | 36.9297 | 50 | -0.13 | 73 |
IV.CSNT.HHZ. | 2023-02-08T22:59:25.78 | 0.3 | undecidable | manual | S | 352 | 17.2716 | 117 | -0.53 | 69 |
IV.OSSC.HHZ. | 2023-02-08T22:59:24.44 | 0.1 | undecidable | manual | P | 345 | 23.5542 | 110 | -0.18 | 99 |
IV.CSNT.HHZ. | 2023-02-08T22:59:23.30 | 0.1 | undecidable | manual | P | 352 | 17.2716 | 117 | -0.18 | 100 |
IV.FROS.CHZ. | 2023-02-08T22:59:23.95 | 0.1 | undecidable | manual | P | 228 | 17.9709 | 116 | 0.37 | 96 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.CSNT.HHN. | ML:1.8 | 0.0005315 | 1.38 | AML | other | m | 2023-02-08T22:59:26.88 |
IV.CSNT.HHE. | ML:2.0 | 0.0009295 | 0.1 | AML | other | m | 2023-02-08T22:59:26.20 |
IV.FROS.CHE. | ML:2.1 | 0.0010865 | 0.14 | AML | other | m | 2023-02-08T22:59:26.89 |
IV.OSSC.HHN. | ML:1.9 | 0.0005825 | 0.78 | AML | other | m | 2023-02-08T22:59:28.17 |
IV.OSSC.HHE. | ML:2.2 | 0.0009750000000000001 | 0.2 | AML | other | m | 2023-02-08T22:59:28.21 |
IV.FROS.CHN. | ML:2.0 | 0.0009750000000000001 | 0.3 | AML | other | m | 2023-02-08T22:59:28.77 |
IV.TRIF.CHN. | ML:1.7 | 0.00016599999999999997 | 1.04 | AML | other | m | 2023-02-08T22:59:34.03 |
IV.TRIF.CHE. | ML:1.8 | 0.000221 | 0.18 | AML | other | m | 2023-02-08T22:59:34.61 |
IV.CAFI.HHE. | ML:1.6 | 0.00009240000000000001 | 1 | AML | other | m | 2023-02-08T22:59:36.04 |
IV.CAFI.HHN. | ML:1.6 | 0.0000941 | 1.46 | AML | other | m | 2023-02-08T22:59:36.15 |
IV.ARCI.HHN. | ML:1.8 | 0.00013450000000000002 | 1.52 | AML | other | m | 2023-02-08T22:59:38.12 |
IV.ARCI.HHE. | ML:1.8 | 0.00013800000000000002 | 0.94 | AML | other | m | 2023-02-08T22:59:38.31 |
IV.BOSL.HHE. | ML:1.6 | 0.00006635 | 1.18 | AML | other | m | 2023-02-08T22:59:40.83 |
IV.BOSL.HHN. | ML:1.3 | 0.000037449999999999995 | 1.76 | AML | other | m | 2023-02-08T22:59:41.99 |