A magnitude ML 1.2 earthquake occured in region: 2 km NW Siena (SI), on
and geographic coordinates (lat, lon) 43.3330, 11.3260 at 10 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 | 2 | 53903 | 53903 |
Sovicille | SI | 10 | 10116 | 64019 |
Monteriggioni | SI | 11 | 9810 | 73829 |
Monteroni d'Arbia | SI | 14 | 9088 | 82917 |
Castelnuovo Berardenga | SI | 15 | 9097 | 92014 |
Castellina in Chianti | SI | 16 | 2859 | 94873 |
Gaiole in Chianti | SI | 18 | 2758 | 97631 |
Radda in Chianti | SI | 18 | 1613 | 99244 |
Murlo | SI | 19 | 2389 | 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 1.2 | 2023-02-09 00:04:15 |
43.3327 | 11.326 | 10 | 2024-03-01 17:18:16 |
Bollettino Sismico Italiano INGV | 121027261 |
Reviewed Rev100 |
ML 1.2 | 2023-02-09 00:04:15 |
43.3273 | 11.3442 | 9 | 2023-02-09 00:11:23 |
Sala Sismica INGV-Roma | 114275161 |
Field | Value |
---|---|
Time (UTC) | 2023-02-09 00:04:15 ± 0.08 |
Latitude | 43.3327 ± 0.0054 |
Longitude | 11.3260 ± 0.0099 |
Depth (km) | 10 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 121027261 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 813 |
Semi-minor axis of confidence ellipse (meter) | 517 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 304 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 810.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 108 |
Number of associated phases, regardless of their use for origin computation | 16 |
Number of defining phases | 16 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.22 |
Epicentral distance of station closest to the epicenter (degree) | 0.14299 |
Epicentral distance of station farthest from the epicenter (degree) | 0.49283 |
Number of stations at which the event was observed | 9 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.3 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 121027261 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2023-09-13 15:07:42 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.3 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 114275161 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-02-09 00:11:23 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CAFI.HNN. | 2023-02-09T00:04:31.88 | 0.6 | undecidable | manual | S | 90 | 51.7038 | 50 | -0.27 | 46 |
IV.TRIF.CHN. | 2023-02-09T00:04:29.28 | 0.6 | undecidable | manual | S | 235 | 41.9247 | 50 | -0.26 | 47 |
IV.MALA4.EHE. | 2023-02-09T00:04:28.04 | 0.6 | undecidable | manual | S | 161 | 38.3283 | 50 | -0.54 | 44 |
IV.MALA0.EHE. | 2023-02-09T00:04:28.26 | 0.6 | undecidable | manual | S | 162 | 38.1285 | 50 | -0.28 | 47 |
IV.ARCI.HHZ. | 2023-02-09T00:04:25.79 | 0.3 | undecidable | manual | P | 167 | 54.7008 | 50 | 0.11 | 71 |
IV.CAFI.HNN. | 2023-02-09T00:04:25.52 | 0.3 | undecidable | manual | P | 90 | 51.7038 | 50 | 0.31 | 69 |
IV.TRIF.CHN. | 2023-02-09T00:04:24.11 | 0.3 | undecidable | manual | P | 235 | 41.9247 | 50 | 0.41 | 68 |
IV.OSSC.HHZ. | 2023-02-09T00:04:24.01 | 0.3 | undecidable | manual | S | 343 | 22.1556 | 115 | -0.21 | 74 |
IV.MALA1.EHN. | 2023-02-09T00:04:23.51 | 0.3 | undecidable | manual | P | 161 | 38.4282 | 50 | 0.34 | 70 |
IV.MALA4.EHE. | 2023-02-09T00:04:23.20 | 0.3 | undecidable | manual | P | 161 | 38.3283 | 50 | 0.05 | 74 |
IV.FROS.CHZ. | 2023-02-09T00:04:23.06 | 0.6 | undecidable | manual | S | 225 | 19.3695 | 118 | -0.28 | 49 |
IV.MALA0.EHE. | 2023-02-09T00:04:23.03 | 0.3 | undecidable | manual | P | 162 | 38.1285 | 50 | -0.1 | 73 |
IV.CSNT.HHZ. | 2023-02-09T00:04:22.12 | 0.6 | undecidable | manual | S | 350 | 15.873 | 123 | -0.18 | 50 |
IV.FROS.CHZ. | 2023-02-09T00:04:20.28 | 0.1 | undecidable | manual | P | 225 | 19.3695 | 118 | 0.15 | 100 |
IV.OSSC.HHZ. | 2023-02-09T00:04:20.62 | 0.3 | undecidable | manual | P | 343 | 22.1556 | 115 | -0.01 | 77 |
IV.CSNT.HHZ. | 2023-02-09T00:04:19.65 | 0.3 | undecidable | manual | P | 350 | 15.873 | 123 | 0.12 | 76 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.CSNT.HHN. | ML:1.0 | 0.000099311 | 0.08 | AML | other | m | 2023-02-09T00:04:22.32 |
IV.FROS.CHE. | ML:1.5 | 0.00025 | 0.14 | AML | other | m | 2023-02-09T00:04:23.17 |
IV.FROS.CHN. | ML:1.5 | 0.00022313744999999998 | 0.208 | AML | other | m | 2023-02-09T00:04:23.60 |
IV.OSSC.HHN. | ML:1.0 | 0.000062537055 | 0.16 | AML | other | m | 2023-02-09T00:04:24.46 |
IV.OSSC.HHE. | ML:1.3 | 0.00014319084 | 0.18 | AML | other | m | 2023-02-09T00:04:24.52 |
IV.CSNT.HHE. | ML:0.9 | 0.00006917281 | 0.22 | AML | other | m | 2023-02-09T00:04:25.60 |