A magnitude ML 1.9 earthquake occured in region: 1 km SE Siena (SI), on
and geographic coordinates (lat, lon) 43.3100, 11.3400 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 | 10 | 10116 | 64019 |
Monteroni d'Arbia | SI | 11 | 9088 | 73107 |
Monteriggioni | SI | 14 | 9810 | 82917 |
Castelnuovo Berardenga | SI | 14 | 9097 | 92014 |
Murlo | SI | 16 | 2389 | 94403 |
Castellina in Chianti | SI | 19 | 2859 | 97262 |
Gaiole in Chianti | SI | 19 | 2758 | 100020 |
Asciano | SI | 20 | 7118 | 107138 |
Radda in Chianti | SI | 20 | 1613 | 108751 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.9 | 2023-02-08 22:35:57 |
43.3095 | 11.3403 | 9 | 2024-03-01 17:18:15 |
Bollettino Sismico Italiano INGV | 120582981 |
Reviewed Rev100 |
ML 1.9 | 2023-02-08 22:35:57 |
43.3188 | 11.3312 | 8 | 2023-02-08 22:46:54 |
Sala Sismica INGV-Roma | 114273881 |
Field | Value |
---|---|
Time (UTC) | 2023-02-08 22:35:57 ± 0.12 |
Latitude | 43.3095 ± 0.0054 |
Longitude | 11.3403 ± 0.0111 |
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 | 120582981 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 859 |
Semi-minor axis of confidence ellipse (meter) | 503 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 290 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 860.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 103 |
Number of associated phases, regardless of their use for origin computation | 28 |
Number of defining phases | 28 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.35 |
Epicentral distance of station closest to the epicenter (degree) | 0.16727 |
Epicentral distance of station farthest from the epicenter (degree) | 0.69877 |
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 | 1.9 |
Uncertainty | 0.2 |
Num. used stations | 16 |
Type of magnitude | ML |
Reference to an origin | 120582981 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2023-08-29 10:27:07 |
Field | Value |
---|---|
Value | 1.9 |
Uncertainty | 0.2 |
Num. used stations | 16 |
Type of magnitude | ML |
Reference to an origin | 114273881 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-02-08 22:46:54 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.RUFI.EHZ. | 2023-02-08T22:36:16.01 | 0.3 | undecidable | manual | S | 13 | 60.1953 | 50 | -0.14 | 71 |
IV.ARCI.HHZ. | 2023-02-08T22:36:14.41 | 0.6 | undecidable | manual | S | 168 | 51.9036 | 50 | 0.46 | 45 |
TV.SF11.HHZ. | 2023-02-08T22:36:13.97 | 0.6 | undecidable | manual | S | 151 | 56.0994 | 50 | -1.08 | 35 |
IV.CAFI.HHZ. | 2023-02-08T22:36:12.79 | 0.6 | undecidable | manual | S | 87 | 50.616 | 50 | -0.79 | 40 |
IV.SFI.EHZ. | 2023-02-08T22:36:11.36 | 0.3 | undecidable | manual | P | 31 | 77.5668 | 50 | 0.59 | 62 |
IV.VMGN.HHN. | 2023-02-08T22:36:10.64 | 0.3 | undecidable | manual | P | 12 | 73.1712 | 50 | 0.55 | 63 |
IV.ATMC.EHE. | 2023-02-08T22:36:10.25 | 0.3 | undecidable | manual | P | 77 | 70.374 | 50 | 0.58 | 63 |
IV.TRIF.CHZ. | 2023-02-08T22:36:10.85 | 0.3 | undecidable | manual | S | 239 | 41.4252 | 50 | -0.3 | 72 |
IV.SSP9.EHZ. | 2023-02-08T22:36:10.16 | 0.3 | undecidable | manual | P | 65 | 70.1742 | 50 | 0.53 | 64 |
IV.CASP.HHZ. | 2023-02-08T22:36:09.92 | 0.6 | undecidable | manual | P | 214 | 69.2751 | 50 | 0.44 | 44 |
IV.SACS.HHE. | 2023-02-08T22:36:09.82 | 0.3 | undecidable | manual | P | 138 | 68.7756 | 50 | 0.4 | 67 |
IV.BOSL.HHE. | 2023-02-08T22:36:09.53 | 0.3 | undecidable | manual | P | 2 | 68.9754 | 50 | 0.08 | 71 |
IV.CRE.HHZ. | 2023-02-08T22:36:08.42 | 0.3 | undecidable | manual | P | 55 | 59.9955 | 50 | 0.36 | 68 |
IV.MALA0.EHN. | 2023-02-08T22:36:08.74 | 0.6 | undecidable | manual | S | 162 | 35.3424 | 50 | -0.79 | 41 |
IV.MALA4.EHZ. | 2023-02-08T22:36:08.76 | 0.6 | undecidable | manual | S | 162 | 35.5422 | 50 | -0.8 | 41 |
IV.RUFI.EHZ. | 2023-02-08T22:36:08.23 | 0.3 | undecidable | manual | P | 13 | 60.1953 | 50 | 0.14 | 71 |
TV.SF11.HHZ. | 2023-02-08T22:36:07.52 | 0.1 | undecidable | manual | P | 151 | 56.0994 | 50 | 0.07 | 97 |
IV.ARCI.HHZ. | 2023-02-08T22:36:07.05 | 0.3 | undecidable | manual | P | 168 | 51.9036 | 50 | 0.23 | 71 |
IV.CAFI.HHZ. | 2023-02-08T22:36:06.42 | 0.3 | undecidable | manual | P | 87 | 50.616 | 50 | -0.19 | 72 |
IV.TRIF.CHZ. | 2023-02-08T22:36:05.30 | 0.3 | undecidable | manual | P | 239 | 41.4252 | 50 | 0.09 | 75 |
IV.OSSC.HHZ. | 2023-02-08T22:36:05.81 | 0.3 | undecidable | manual | S | 342 | 24.9528 | 109 | -0.42 | 72 |
IV.FROS.CHZ. | 2023-02-08T22:36:04.40 | 0.3 | undecidable | manual | S | 233 | 18.5703 | 115 | 0.23 | 76 |
IV.MALA0.EHN. | 2023-02-08T22:36:04.04 | 0.3 | undecidable | manual | P | 162 | 35.3424 | 50 | -0.23 | 73 |
IV.MALA4.EHZ. | 2023-02-08T22:36:04.01 | 0.3 | undecidable | manual | P | 162 | 35.5422 | 50 | -0.28 | 73 |
IV.CSNT.HHZ. | 2023-02-08T22:36:03.63 | 0.6 | undecidable | manual | S | 347 | 18.5703 | 115 | -0.56 | 46 |
IV.OSSC.HHZ. | 2023-02-08T22:36:02.09 | 0.1 | undecidable | manual | P | 342 | 24.9528 | 109 | -0.27 | 99 |
IV.FROS.CHZ. | 2023-02-08T22:36:01.51 | 0.1 | undecidable | manual | P | 233 | 18.5703 | 115 | 0.34 | 98 |
IV.CSNT.HHZ. | 2023-02-08T22:36:00.92 | 0.1 | undecidable | manual | P | 347 | 18.5703 | 115 | -0.26 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.CSNT.HHE. | ML:2.0 | 0.0008020000000000001 | 0.8 | AML | other | m | 2023-02-08T22:36:04.65 |
IV.CSNT.HHN. | ML:2.0 | 0.000869 | 0.32 | AML | other | m | 2023-02-08T22:36:04.51 |
IV.FROS.CHN. | ML:2.2 | 0.0014199999999999998 | 0.54 | AML | other | m | 2023-02-08T22:36:05.46 |
IV.FROS.CHE. | ML:2.3 | 0.001595 | 1.24 | AML | other | m | 2023-02-08T22:36:05.83 |
IV.OSSC.HHN. | ML:1.8 | 0.000348 | 1.18 | AML | other | m | 2023-02-08T22:36:06.70 |
IV.OSSC.HHE. | ML:1.9 | 0.0004955 | 1.18 | AML | other | m | 2023-02-08T22:36:06.73 |
IV.TRIF.CHE. | ML:2.0 | 0.00035 | 0.2 | AML | other | m | 2023-02-08T22:36:12.12 |
IV.TRIF.CHN. | ML:1.8 | 0.00020750000000000003 | 0.16 | AML | other | m | 2023-02-08T22:36:13.42 |
IV.CAFI.HHE. | ML:1.5 | 0.00008840000000000001 | 0.34 | AML | other | m | 2023-02-08T22:36:14.37 |
IV.CAFI.HHN. | ML:1.7 | 0.00011899999999999999 | 1.1 | AML | other | m | 2023-02-08T22:36:14.29 |
IV.ARCI.HHE. | ML:1.9 | 0.0001805 | 1.08 | AML | other | m | 2023-02-08T22:36:15.40 |
IV.ARCI.HHN. | ML:1.8 | 0.000161 | 0.54 | AML | other | m | 2023-02-08T22:36:16.53 |
IV.CRE.HHE. | ML:1.8 | 0.00011549999999999999 | 1.2 | AML | other | m | 2023-02-08T22:36:17.63 |
IV.CRE.HHN. | ML:1.8 | 0.000128 | 0.86 | AML | other | m | 2023-02-08T22:36:21.54 |
IV.SFI.EHE. | ML:1.8 | 0.00009759999999999999 | 1.06 | AML | other | m | 2023-02-08T22:36:26.46 |
IV.SFI.EHN. | ML:1.6 | 0.00006525 | 0.42 | AML | other | m | 2023-02-08T22:36:41.69 |