A magnitude ML 1.8 earthquake occured in region: Siena (SI), on
and geographic coordinates (lat, lon) 43.3160, 11.3330 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 | 0 | 53903 | 53903 |
Sovicille | SI | 9 | 10116 | 64019 |
Monteroni d'Arbia | SI | 12 | 9088 | 73107 |
Monteriggioni | SI | 13 | 9810 | 82917 |
Castelnuovo Berardenga | SI | 14 | 9097 | 92014 |
Murlo | SI | 17 | 2389 | 94403 |
Castellina in Chianti | SI | 18 | 2859 | 97262 |
Gaiole in Chianti | SI | 19 | 2758 | 100020 |
Radda in Chianti | SI | 19 | 1613 | 101633 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.8 | 2023-02-08 21:37:44 |
43.3157 | 11.3328 | 10 | 2024-03-01 17:18:16 |
Bollettino Sismico Italiano INGV | 120613791 |
Field | Value |
---|---|
Time (UTC) | 2023-02-08 21:37:44 ± 0.12 |
Latitude | 43.3157 ± 0.0072 |
Longitude | 11.3328 ± 0.0148 |
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 | 120613791 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1146 |
Semi-minor axis of confidence ellipse (meter) | 738 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 300 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1150.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 105 |
Number of associated phases, regardless of their use for origin computation | 22 |
Number of defining phases | 22 |
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) | 0.16008 |
Epicentral distance of station farthest from the epicenter (degree) | 0.62863 |
Number of stations at which the event was observed | 13 |
Number of stations from which data was used for origin computation | 13 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.2 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 120613791 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2023-08-30 15:31:49 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ARCI.HHZ. | 2023-02-08T21:38:02.41 | 0.6 | undecidable | manual | S | 167 | 52.7028 | 50 | 0.88 | 38 |
TV.SF11.HHZ. | 2023-02-08T21:38:01.61 | 0.6 | undecidable | manual | S | 150 | 56.9985 | 50 | -1.05 | 34 |
IV.CAFI.HHZ. | 2023-02-08T21:38:00.56 | 0.6 | undecidable | manual | S | 88 | 51.1155 | 50 | -0.54 | 43 |
IV.TRIF.CHZ. | 2023-02-08T21:37:58.32 | 0.6 | undecidable | manual | S | 238 | 41.3253 | 50 | -0.16 | 48 |
IV.SACS.HHE. | 2023-02-08T21:37:57.60 | 0.6 | undecidable | manual | P | 138 | 69.7746 | 50 | 0.55 | 42 |
IV.MCIV.CHE. | 2023-02-08T21:37:56.62 | 0.3 | undecidable | manual | P | 155 | 65.7897 | 50 | 0.18 | 69 |
IV.MALA4.EHZ. | 2023-02-08T21:37:56.51 | 0.6 | undecidable | manual | S | 161 | 36.3414 | 50 | -0.65 | 43 |
IV.CRE.HHE. | 2023-02-08T21:37:56.64 | 0.3 | undecidable | manual | P | 56 | 60.0954 | 50 | 1.07 | 51 |
IV.MALA0.EHN. | 2023-02-08T21:37:56.48 | 0.6 | undecidable | manual | S | 162 | 36.2415 | 50 | -0.64 | 43 |
TV.SF11.HHZ. | 2023-02-08T21:37:55.23 | 0.1 | undecidable | manual | P | 150 | 56.9985 | 50 | 0.14 | 94 |
IV.RUFI.EHE. | 2023-02-08T21:37:55.94 | 0.3 | undecidable | manual | P | 14 | 59.6958 | 50 | 0.44 | 66 |
IV.ARCI.HHZ. | 2023-02-08T21:37:54.64 | 0.3 | undecidable | manual | P | 167 | 52.7028 | 50 | 0.21 | 70 |
IV.CAFI.HHZ. | 2023-02-08T21:37:54.29 | 0.3 | undecidable | manual | P | 88 | 51.1155 | 50 | 0.1 | 72 |
IV.OSSC.HHZ. | 2023-02-08T21:37:53.50 | 0.6 | undecidable | manual | S | 343 | 24.1536 | 112 | -0.28 | 48 |
IV.FROS.CHZ. | 2023-02-08T21:37:52.09 | 0.6 | undecidable | manual | S | 231 | 18.4704 | 118 | 0.09 | 51 |
IV.TRIF.CHZ. | 2023-02-08T21:37:52.58 | 0.3 | undecidable | manual | P | 238 | 41.3253 | 50 | -0.09 | 73 |
IV.CSNT.HHZ. | 2023-02-08T21:37:51.34 | 0.6 | undecidable | manual | S | 349 | 17.7711 | 119 | -0.46 | 47 |
IV.MALA4.EHZ. | 2023-02-08T21:37:51.69 | 0.3 | undecidable | manual | P | 161 | 36.3414 | 50 | -0.22 | 72 |
IV.MALA0.EHN. | 2023-02-08T21:37:51.74 | 0.1 | undecidable | manual | P | 162 | 36.2415 | 50 | -0.14 | 97 |
IV.FROS.CHZ. | 2023-02-08T21:37:49.24 | 0.1 | undecidable | manual | P | 231 | 18.4704 | 118 | 0.31 | 97 |
IV.OSSC.HHZ. | 2023-02-08T21:37:49.82 | 0.1 | undecidable | manual | P | 343 | 24.1536 | 112 | -0.14 | 100 |
IV.CSNT.HHZ. | 2023-02-08T21:37:48.64 | 0.1 | positive | manual | P | 349 | 17.7711 | 119 | -0.17 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.FROS.CHE. | ML:2.1 | 0.001135 | 1.24 | AML | other | m | 2023-02-08T21:37:52.27 |
IV.FROS.CHN. | ML:2.0 | 0.0008735 | 0.82 | AML | other | m | 2023-02-08T21:37:52.78 |
IV.CSNT.HHE. | ML:1.8 | 0.0005639999999999999 | 0.82 | AML | other | m | 2023-02-08T21:37:53.51 |
IV.CSNT.HHN. | ML:1.8 | 0.0005795 | 0.32 | AML | other | m | 2023-02-08T21:37:53.52 |
IV.OSSC.HHN. | ML:1.5 | 0.00019951577 | 0.1792 | AML | other | m | 2023-02-08T21:37:55.57 |
IV.OSSC.HHE. | ML:1.7 | 0.000324 | 0.7 | AML | other | m | 2023-02-08T21:37:55.61 |
IV.TRIF.CHE. | ML:1.7 | 0.00016450000000000001 | 0.84 | AML | other | m | 2023-02-08T21:38:01.03 |
IV.TRIF.CHN. | ML:1.7 | 0.0001525 | 1.24 | AML | other | m | 2023-02-08T21:38:01.05 |
IV.ARCI.HNN. | ML:1.8 | 0.000166 | 0.48 | AML | other | m | 2023-02-08T21:38:03.15 |
IV.ARCI.HHN. | ML:1.8 | 0.0001595 | 0.48 | AML | other | m | 2023-02-08T21:38:03.15 |
IV.ARCI.HNE. | ML:1.8 | 0.0001605 | 0.2 | AML | other | m | 2023-02-08T21:38:03.32 |
IV.ARCI.HHE. | ML:1.8 | 0.00016299999999999998 | 0.2 | AML | other | m | 2023-02-08T21:38:03.32 |