A magnitude ML 2.3 earthquake occured in region: 3 km SE Siena (SI), on
and geographic coordinates (lat, lon) 43.3070, 11.3600 at 8 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 | 3 | 53903 | 53903 |
Monteroni d'Arbia | SI | 10 | 9088 | 62991 |
Sovicille | SI | 11 | 10116 | 73107 |
Castelnuovo Berardenga | SI | 13 | 9097 | 82204 |
Monteriggioni | SI | 15 | 9810 | 92014 |
Murlo | SI | 16 | 2389 | 94403 |
Asciano | SI | 18 | 7118 | 101521 |
Gaiole in Chianti | SI | 19 | 2758 | 104279 |
Castellina in Chianti | SI | 19 | 2859 | 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 2.3 | 2023-02-08 21:36:57 |
43.3073 | 11.3597 | 8 | 2024-03-01 17:18:16 |
Bollettino Sismico Italiano INGV | 120613701 |
Field | Value |
---|---|
Time (UTC) | 2023-02-08 21:36:57 ± 0.14 |
Latitude | 43.3073 ± 0.0072 |
Longitude | 11.3597 ± 0.0148 |
Depth (km) | 8 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 120613701 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1101 |
Semi-minor axis of confidence ellipse (meter) | 733 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 297 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1100.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 91 |
Number of associated phases, regardless of their use for origin computation | 25 |
Number of defining phases | 25 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.38 |
Epicentral distance of station closest to the epicenter (degree) | 0.17357 |
Epicentral distance of station farthest from the epicenter (degree) | 0.62953 |
Number of stations at which the event was observed | 15 |
Number of stations from which data was used for origin computation | 15 |
Field | Value |
---|---|
Value | 2.3 |
Uncertainty | 0.3 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 120613701 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2023-08-30 15:29:21 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MCIV.CHE. | 2023-02-08T21:37:16.73 | 0.6 | undecidable | manual | S | 156 | 63.9915 | 50 | -1.09 | 33 |
TV.SF11.HHZ. | 2023-02-08T21:37:14.60 | 0.6 | undecidable | manual | S | 152 | 55.1004 | 50 | -0.83 | 38 |
IV.CAFI.HNN. | 2023-02-08T21:37:13.77 | 0.6 | undecidable | manual | S | 87 | 49.0176 | 50 | -0.04 | 49 |
IV.CASP.HHE. | 2023-02-08T21:37:11.05 | 0.3 | undecidable | manual | P | 215 | 69.8745 | 50 | 0.85 | 55 |
IV.TRIF.CHZ. | 2023-02-08T21:37:11.51 | 0.6 | undecidable | manual | S | 240 | 42.624 | 50 | -0.61 | 43 |
IV.CRE.HHE. | 2023-02-08T21:37:09.62 | 0.3 | undecidable | manual | P | 54 | 58.8966 | 50 | 1.12 | 50 |
IV.MALA1.EHN. | 2023-02-08T21:37:09.55 | 0.6 | undecidable | manual | S | 164 | 34.9428 | 50 | -0.51 | 45 |
IV.MCIV.CHE. | 2023-02-08T21:37:09.67 | 0.1 | undecidable | manual | P | 156 | 63.9915 | 50 | 0.38 | 88 |
IV.CRMI.HNN. | 2023-02-08T21:37:09.46 | 0.6 | undecidable | manual | P | 331 | 62.1933 | 50 | 0.45 | 43 |
IV.MALA4.EHZ. | 2023-02-08T21:37:09.51 | 0.6 | undecidable | manual | S | 164 | 34.8429 | 50 | -0.51 | 45 |
IV.MALA0.EHN. | 2023-02-08T21:37:09.51 | 0.6 | undecidable | manual | S | 165 | 34.743 | 50 | -0.48 | 45 |
TV.SF11.HHZ. | 2023-02-08T21:37:08.25 | 0.3 | undecidable | manual | P | 152 | 55.1004 | 50 | 0.34 | 68 |
IV.RUFI.EHE. | 2023-02-08T21:37:08.81 | 0.3 | undecidable | manual | P | 12 | 60.0954 | 50 | 0.13 | 70 |
IV.CAFI.HNN. | 2023-02-08T21:37:07.27 | 0.3 | undecidable | manual | P | 87 | 49.0176 | 50 | 0.3 | 69 |
IV.ARCI.HHZ. | 2023-02-08T21:37:07.37 | 0.3 | undecidable | manual | P | 169 | 51.4152 | 50 | 0.03 | 73 |
IV.OSSC.HHZ. | 2023-02-08T21:37:06.50 | 0.6 | undecidable | manual | S | 339 | 25.6521 | 108 | -0.5 | 46 |
IV.TRIF.CHZ. | 2023-02-08T21:37:06.31 | 0.3 | undecidable | manual | P | 240 | 42.624 | 50 | 0.31 | 70 |
IV.FROS.CHZ. | 2023-02-08T21:37:05.12 | 0.3 | undecidable | manual | S | 237 | 19.6692 | 113 | 0.07 | 76 |
IV.MALA4.EHZ. | 2023-02-08T21:37:04.78 | 0.3 | undecidable | manual | P | 164 | 34.8429 | 50 | 0 | 75 |
IV.MALA0.EHN. | 2023-02-08T21:37:04.71 | 0.3 | undecidable | manual | P | 165 | 34.743 | 50 | -0.06 | 74 |
IV.CSNT.HHZ. | 2023-02-08T21:37:04.33 | 0.3 | undecidable | manual | S | 343 | 19.2696 | 113 | -0.57 | 68 |
IV.MALA1.EHN. | 2023-02-08T21:37:04.80 | 0.1 | undecidable | manual | P | 164 | 34.9428 | 50 | -0.01 | 100 |
IV.FROS.CHZ. | 2023-02-08T21:37:02.30 | 0.1 | positive | manual | P | 237 | 19.6692 | 113 | 0.38 | 95 |
IV.OSSC.HHZ. | 2023-02-08T21:37:02.75 | 0.1 | undecidable | manual | P | 339 | 25.6521 | 108 | -0.3 | 96 |
IV.CSNT.HHZ. | 2023-02-08T21:37:01.67 | 0.1 | positive | manual | P | 343 | 19.2696 | 113 | -0.16 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.CSNT.HHN. | ML:2.3 | 0.001685 | 0.14 | AML | other | m | 2023-02-08T21:37:04.53 |
IV.CSNT.HHE. | ML:2.2 | 0.001395 | 0.78 | AML | other | m | 2023-02-08T21:37:04.67 |
IV.FROS.CHE. | ML:2.9 | 0.00681 | 1.24 | AML | other | m | 2023-02-08T21:37:05.94 |
IV.FROS.CHN. | ML:2.8 | 0.004705 | 0.84 | AML | other | m | 2023-02-08T21:37:05.84 |
IV.OSSC.HHE. | ML:2.1 | 0.00074768315 | 0.128 | AML | other | m | 2023-02-08T21:37:06.76 |
IV.OSSC.HHN. | ML:2.0 | 0.0005708355000000001 | 0.1792 | AML | other | m | 2023-02-08T21:37:07.33 |
IV.TRIF.CHN. | ML:2.2 | 0.0004889984 | 0.2048 | AML | other | m | 2023-02-08T21:37:12.50 |
IV.TRIF.CHE. | ML:2.2 | 0.00059334185 | 0.1536 | AML | other | m | 2023-02-08T21:37:12.12 |