A magnitude ML 1.0 earthquake occured in region: 4 km E Siena (SI), on
and geographic coordinates (lat, lon) 43.3200, 11.3830 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 | 4 | 53903 | 53903 |
Castelnuovo Berardenga | SI | 10 | 9097 | 63000 |
Monteroni d'Arbia | SI | 10 | 9088 | 72088 |
Sovicille | SI | 13 | 10116 | 82204 |
Monteriggioni | SI | 16 | 9810 | 92014 |
Murlo | SI | 17 | 2389 | 94403 |
Asciano | SI | 17 | 7118 | 101521 |
Gaiole in Chianti | SI | 17 | 2758 | 104279 |
Rapolano Terme | SI | 18 | 5249 | 109528 |
Castellina in Chianti | SI | 19 | 2859 | 112387 |
Radda in Chianti | SI | 19 | 1613 | 114000 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.0 | 2023-02-09 09:45:33 |
43.3198 | 11.3832 | 9 | 2024-03-01 17:18:03 |
Bollettino Sismico Italiano INGV | 116308851 |
Field | Value |
---|---|
Time (UTC) | 2023-02-09 09:45:33 ± 0.1 |
Latitude | 43.3198 ± 0.0036 |
Longitude | 11.3832 ± 0.0099 |
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 | 116308851 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 736 |
Semi-minor axis of confidence ellipse (meter) | 413 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 291 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 740.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 94 |
Number of associated phases, regardless of their use for origin computation | 24 |
Number of defining phases | 18 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.24 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.52610 |
Number of stations at which the event was observed | 15 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.1 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 116308851 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2023-10-19 17:19:07 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
CR.STON.BHZ. | 2023-02-09T09:46:57.28 | 3.0 | positive | manual | Pg | 17.290001 | 0 | |||
IV.IVPL.HHZ. | 2023-02-09T09:46:53.57 | 3.0 | undecidable | manual | Pn | 1.24 | 0 | |||
GE.MATE.HHZ. | 2023-02-09T09:46:43.97 | 3.0 | negative | manual | Pn | 2.6 | 0 | |||
IV.CDRU.HHZ. | 2023-02-09T09:46:31.88 | 3.0 | undecidable | manual | Pn | 0.57 | 0 | |||
GU.GSCL.HHZ. | 2023-02-09T09:46:05.71 | 3.0 | undecidable | manual | Sg | -0.02 | 0 | |||
IV.RUFI.EHE. | 2023-02-09T09:45:51.72 | 0.3 | undecidable | manual | S | 10 | 58.3971 | 50 | 0.2 | 67 |
IV.ARCI.HHZ. | 2023-02-09T09:45:49.34 | 0.6 | undecidable | manual | S | 172 | 52.4031 | 50 | -0.6 | 41 |
IV.CAFI.HNN. | 2023-02-09T09:45:48.49 | 0.3 | undecidable | manual | S | 89 | 47.1195 | 50 | -0.01 | 71 |
MN.VLC.HHZ. | 2023-02-09T09:45:47.66 | 3.0 | undecidable | manual | P | -0.31 | 0 | |||
IV.TRIF.CHZ. | 2023-02-09T09:45:47.95 | 0.6 | undecidable | manual | S | 240 | 45.0216 | 50 | -0.01 | 48 |
IV.MALA4.EHZ. | 2023-02-09T09:45:45.06 | 0.3 | undecidable | manual | S | 168 | 35.742 | 50 | -0.41 | 67 |
IV.MALA5.EHN. | 2023-02-09T09:45:45.00 | 0.3 | undecidable | manual | S | 167 | 35.5422 | 50 | -0.43 | 67 |
IV.RUFI.EHE. | 2023-02-09T09:45:43.53 | 0.6 | undecidable | manual | P | 10 | 58.3971 | 50 | -0.17 | 45 |
IV.ARCI.HHZ. | 2023-02-09T09:45:43.07 | 0.3 | undecidable | manual | P | 172 | 52.4031 | 50 | 0.28 | 67 |
IV.CAFI.HNN. | 2023-02-09T09:45:42.24 | 0.3 | undecidable | manual | P | 89 | 47.1195 | 50 | 0.28 | 68 |
IV.OSSC.HHZ. | 2023-02-09T09:45:42.16 | 0.3 | undecidable | manual | S | 334 | 25.1526 | 110 | -0.13 | 73 |
IV.FROS.CHZ. | 2023-02-09T09:45:41.31 | 0.3 | undecidable | manual | S | 236 | 22.0668 | 112 | 0.03 | 74 |
IV.TRIF.CHZ. | 2023-02-09T09:45:41.91 | 0.3 | undecidable | manual | P | 240 | 45.0216 | 50 | 0.27 | 68 |
IV.MALA5.EHN. | 2023-02-09T09:45:40.47 | 0.3 | undecidable | manual | P | 167 | 35.5422 | 50 | 0.28 | 69 |
IV.MALA4.EHZ. | 2023-02-09T09:45:40.69 | 0.6 | undecidable | manual | P | 168 | 35.742 | 50 | 0.49 | 44 |
IV.CSNT.HHZ. | 2023-02-09T09:45:39.94 | 0.1 | undecidable | manual | S | 336 | 18.5703 | 116 | -0.24 | 96 |
IV.OSSC.HHZ. | 2023-02-09T09:45:38.30 | 0.1 | undecidable | manual | P | 334 | 25.1526 | 110 | -0.07 | 98 |
IV.FROS.CHZ. | 2023-02-09T09:45:37.97 | 0.1 | undecidable | manual | P | 236 | 22.0668 | 112 | 0.18 | 96 |
IV.CSNT.HHZ. | 2023-02-09T09:45:37.13 | 0.1 | undecidable | manual | P | 336 | 18.5703 | 116 | -0.03 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.CSNT.HHE. | ML:1.1 | 0.00011084842000000001 | 0.096 | AML | other | m | 2023-02-09T09:45:40.15 |
IV.CSNT.HHN. | ML:1.1 | 0.000098126775 | 0.1024 | AML | other | m | 2023-02-09T09:45:40.24 |
IV.OSSC.HHN. | ML:0.8 | 0.000038010585 | 0.1408 | AML | other | m | 2023-02-09T09:45:42.32 |
IV.OSSC.HHE. | ML:1.0 | 0.000056635935 | 0.2048 | AML | other | m | 2023-02-09T09:45:42.52 |