A magnitude ML 1.9 earthquake occured in region: 1 km SE Siena (SI), on
and geographic coordinates (lat, lon) 43.3130, 11.3410 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 | 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 | 20 | 1613 | 101633 |
Asciano | SI | 20 | 7118 | 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 21:20:05 |
43.3128 | 11.3413 | 9 | 2024-03-01 17:18:16 |
Bollettino Sismico Italiano INGV | 120613351 |
Field | Value |
---|---|
Time (UTC) | 2023-02-08 21:20:05 ± 0.11 |
Latitude | 43.3128 ± 0.0045 |
Longitude | 11.3413 ± 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 | 120613351 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 784 |
Semi-minor axis of confidence ellipse (meter) | 557 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 284 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 780.0 |
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 | 34 |
Number of defining phases | 29 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.36 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.68978 |
Number of stations at which the event was observed | 22 |
Number of stations from which data was used for origin computation | 17 |
Field | Value |
---|---|
Value | 1.9 |
Uncertainty | 0.2 |
Num. used stations | 15 |
Type of magnitude | ML |
Reference to an origin | 120613351 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2023-08-30 15:23:00 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
OT.OT17.EHZ. | 2023-02-08T21:21:09.35 | 3.0 | undecidable | manual | Sn | 1.75 | 0 | |||
IV.POFI.HHZ. | 2023-02-08T21:20:46.55 | 3.0 | undecidable | manual | S | 1.14 | 0 | |||
IV.MSSA.HHZ. | 2023-02-08T21:20:37.04 | 3.0 | positive | manual | Pn | 6.25 | 0 | |||
IV.MCIV.CHE. | 2023-02-08T21:20:25.10 | 0.6 | undecidable | manual | S | 155 | 65.1903 | 50 | -1.05 | 34 |
IV.CRMI.HNN. | 2023-02-08T21:20:24.57 | 0.6 | undecidable | manual | S | 332 | 60.9945 | 50 | -0.45 | 43 |
IV.RUFI.EHE. | 2023-02-08T21:20:24.61 | 0.3 | undecidable | manual | S | 13 | 59.7957 | 50 | -0.11 | 70 |
IV.CRE.HHZ. | 2023-02-08T21:20:24.90 | 0.6 | undecidable | manual | S | 55 | 59.6958 | 50 | 0.2 | 46 |
TV.SF11.HHZ. | 2023-02-08T21:20:22.84 | 0.3 | undecidable | manual | S | 151 | 56.3991 | 50 | -0.95 | 54 |
IV.CAFI.HHZ. | 2023-02-08T21:20:21.59 | 0.6 | undecidable | manual | S | 88 | 50.5161 | 50 | -0.63 | 42 |
IV.CASP.HHE. | 2023-02-08T21:20:19.03 | 0.3 | undecidable | manual | P | 214 | 69.5748 | 50 | 0.76 | 57 |
IV.MGAB.HHZ. | 2023-02-08T21:20:19.42 | 0.3 | undecidable | manual | P | 125 | 76.5678 | 50 | 0.08 | 68 |
IV.ATMC.EHE. | 2023-02-08T21:20:19.25 | 0.3 | undecidable | manual | P | 77 | 70.2741 | 50 | 0.88 | 54 |
IV.TRIF.CHZ. | 2023-02-08T21:20:19.82 | 0.6 | undecidable | manual | S | 238 | 41.7249 | 50 | -0.07 | 49 |
IV.SACS.HHE. | 2023-02-08T21:20:18.63 | 0.3 | undecidable | manual | P | 138 | 69.0753 | 50 | 0.45 | 64 |
IV.RUFI.EHE. | 2023-02-08T21:20:17.15 | 0.3 | undecidable | manual | P | 13 | 59.7957 | 50 | 0.39 | 66 |
IV.CRE.HHZ. | 2023-02-08T21:20:17.58 | 0.3 | undecidable | manual | P | 55 | 59.6958 | 50 | 0.83 | 57 |
IV.MALA0.EHN. | 2023-02-08T21:20:17.68 | 0.6 | undecidable | manual | S | 162 | 35.742 | 50 | -0.6 | 43 |
IV.MCIV.CHE. | 2023-02-08T21:20:17.75 | 0.1 | undecidable | manual | P | 155 | 65.1903 | 50 | 0.16 | 92 |
IV.CRMI.HNN. | 2023-02-08T21:20:17.19 | 0.3 | undecidable | manual | P | 332 | 60.9945 | 50 | 0.25 | 68 |
IV.MALA4.EHZ. | 2023-02-08T21:20:17.72 | 0.6 | undecidable | manual | S | 162 | 35.8419 | 50 | -0.6 | 43 |
TV.SF11.HHZ. | 2023-02-08T21:20:16.49 | 0.1 | undecidable | manual | P | 151 | 56.3991 | 50 | 0.26 | 91 |
IV.CAFI.HHZ. | 2023-02-08T21:20:15.46 | 0.3 | undecidable | manual | P | 88 | 50.5161 | 50 | 0.14 | 71 |
IV.ARCI.HHZ. | 2023-02-08T21:20:15.64 | 0.3 | undecidable | manual | P | 168 | 52.3032 | 50 | 0.04 | 72 |
IV.OSSC.HHZ. | 2023-02-08T21:20:14.54 | 0.6 | undecidable | manual | S | 342 | 24.6531 | 111 | -0.48 | 46 |
IV.TRIF.CHZ. | 2023-02-08T21:20:14.11 | 0.3 | undecidable | manual | P | 238 | 41.7249 | 50 | 0.14 | 72 |
IV.MC2.EHZ. | 2023-02-08T21:20:13.70 | 3.0 | undecidable | manual | S | -1.8 | 0 | |||
IV.FROS.CHZ. | 2023-02-08T21:20:13.19 | 0.6 | undecidable | manual | S | 233 | 18.87 | 116 | 0.02 | 51 |
IV.MALA0.EHN. | 2023-02-08T21:20:12.97 | 0.1 | undecidable | manual | P | 162 | 35.742 | 50 | -0.08 | 98 |
IV.MALA4.EHZ. | 2023-02-08T21:20:12.92 | 0.1 | undecidable | manual | P | 162 | 35.8419 | 50 | -0.14 | 97 |
IV.CSNT.HHZ. | 2023-02-08T21:20:12.44 | 0.3 | undecidable | manual | S | 347 | 18.2706 | 117 | -0.56 | 68 |
IV.FROS.CHZ. | 2023-02-08T21:20:10.40 | 0.1 | positive | manual | P | 233 | 18.87 | 116 | 0.3 | 97 |
IV.OSSC.HHZ. | 2023-02-08T21:20:10.93 | 0.1 | negative | manual | P | 342 | 24.6531 | 111 | -0.23 | 97 |
IV.CSNT.HHZ. | 2023-02-08T21:20:09.84 | 0.1 | negative | manual | P | 347 | 18.2706 | 117 | -0.15 | 100 |
IV.RM33.EHZ. | 2023-02-08T21:20:07.33 | 3.0 | negative | manual | P | -2.75 | 0 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.CSNT.HHE. | ML:2.2 | 0.0012215 | 0.78 | AML | other | m | 2023-02-08T21:20:12.74 |
IV.CSNT.HHN. | ML:2.2 | 0.001165 | 0.32 | AML | other | m | 2023-02-08T21:20:12.59 |
IV.FROS.CHE. | ML:2.2 | 0.00141 | 1.24 | AML | other | m | 2023-02-08T21:20:13.36 |
IV.FROS.CHN. | ML:2.0 | 0.0007985 | 0.42 | AML | other | m | 2023-02-08T21:20:14.60 |
IV.OSSC.HHN. | ML:1.9 | 0.0005369999999999999 | 1.22 | AML | other | m | 2023-02-08T21:20:14.80 |
IV.OSSC.HHE. | ML:2.1 | 0.000772 | 1.28 | AML | other | m | 2023-02-08T21:20:14.83 |
IV.TRIF.CHE. | ML:1.9 | 0.00027649999999999994 | 0.18 | AML | other | m | 2023-02-08T21:20:20.36 |
IV.TRIF.CHN. | ML:1.8 | 0.0001835 | 0.24 | AML | other | m | 2023-02-08T21:20:20.50 |
IV.ARCI.HHN. | ML:1.9 | 0.00020950000000000002 | 1.26 | AML | other | m | 2023-02-08T21:20:24.74 |
IV.ARCI.HHE. | ML:1.9 | 0.00019600000000000002 | 0.98 | AML | other | m | 2023-02-08T21:20:24.39 |
IV.CAFI.HNN. | ML:1.7 | 0.00011999153 | 0.2304 | AML | other | m | 2023-02-08T21:20:23.08 |
IV.CAFI.HHE. | ML:1.6 | 0.00010824389 | 0.2176 | AML | other | m | 2023-02-08T21:20:22.61 |
IV.CAFI.HHN. | ML:1.7 | 0.0001293465 | 0.2432 | AML | other | m | 2023-02-08T21:20:22.96 |
IV.CAFI.HNE. | ML:1.6 | 0.00010536034999999999 | 0.2304 | AML | other | m | 2023-02-08T21:20:22.61 |
IV.ARCI.HNN. | ML:1.8 | 0.00013783 | 0.1408 | AML | other | m | 2023-02-08T21:20:23.88 |