A magnitude ML 1.9 earthquake occured in region: 1 km S Siena (SI), on
and geographic coordinates (lat, lon) 43.3140, 11.3340 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 | 1 | 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 | 20 | 1613 | 101633 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.9 | 2023-02-08 20:55:59 |
43.3137 | 11.3337 | 10 | 2024-03-01 17:17:54 |
Bollettino Sismico Italiano INGV | 114401501 |
Reviewed Rev100 |
ML 1.8 | 2023-02-08 20:55:59 |
43.3143 | 11.3793 | 2 | 2023-02-08 21:08:55 |
Sala Sismica INGV-Roma | 114269531 |
Field | Value |
---|---|
Time (UTC) | 2023-02-08 20:55:59 ± 0.12 |
Latitude | 43.3137 ± 0.0054 |
Longitude | 11.3337 ± 0.0124 |
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 | 114401501 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 973 |
Semi-minor axis of confidence ellipse (meter) | 609 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 290 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 970.0 |
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 | 39 |
Number of defining phases | 30 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.37 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.69518 |
Number of stations at which the event was observed | 27 |
Number of stations from which data was used for origin computation | 18 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.2 |
Num. used stations | 15 |
Type of magnitude | ML |
Reference to an origin | 114269531 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-02-08 21:08:55 |
Field | Value |
---|---|
Value | 1.9 |
Uncertainty | 0.2 |
Num. used stations | 14 |
Type of magnitude | ML |
Reference to an origin | 114401501 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2023-08-28 14:23:17 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
GU.SATI.HHZ. | 2023-02-08T20:57:54.19 | 3.0 | undecidable | manual | Sg | 12.38 | 0 | |||
IV.MCRV.HHZ. | 2023-02-08T20:57:45.05 | 3.0 | undecidable | manual | Sn | -2.44 | 0 | |||
IV.HVZN.HNZ. | 2023-02-08T20:57:41.63 | 3.0 | undecidable | manual | Pn | 1.87 | 0 | |||
IV.SPS2.HHZ. | 2023-02-08T20:57:39.69 | 3.0 | positive | manual | Pg | 15.58 | 0 | |||
IV.PAOL.HHZ. | 2023-02-08T20:57:37.87 | 3.0 | undecidable | manual | Sg | 2.63 | 0 | |||
IV.FREG.EHZ. | 2023-02-08T20:57:27.32 | 3.0 | undecidable | manual | Sg | 4.59 | 0 | |||
IV.PIGN.HHZ. | 2023-02-08T20:57:24.16 | 3.0 | undecidable | manual | Sn | -3.1 | 0 | |||
IV.MGR.HHZ. | 2023-02-08T20:57:20.84 | 3.0 | undecidable | manual | Pg | 10.93 | 0 | |||
IV.SBPO.HNZ. | 2023-02-08T20:56:27.94 | 3.0 | negative | manual | Pn | -4.96 | 0 | |||
IV.CRE.HHZ. | 2023-02-08T20:56:18.66 | 0.6 | undecidable | manual | S | 56 | 60.1953 | 50 | 0.47 | 43 |
IV.RUFI.EHE. | 2023-02-08T20:56:17.98 | 0.6 | undecidable | manual | S | 14 | 59.8956 | 50 | -0.12 | 47 |
TV.SF11.HHZ. | 2023-02-08T20:56:16.34 | 0.6 | undecidable | manual | S | 150 | 56.6988 | 50 | -0.92 | 36 |
IV.CAFI.HHZ. | 2023-02-08T20:56:15.09 | 0.6 | undecidable | manual | S | 88 | 51.1155 | 50 | -0.66 | 41 |
IV.MGAB.HHZ. | 2023-02-08T20:56:13.15 | 0.3 | undecidable | manual | P | 125 | 77.1672 | 50 | 0.31 | 65 |
IV.CASP.HHE. | 2023-02-08T20:56:12.40 | 0.3 | undecidable | manual | P | 213 | 69.2751 | 50 | 0.77 | 57 |
IV.TRIF.CHZ. | 2023-02-08T20:56:12.86 | 0.6 | undecidable | manual | S | 238 | 41.2254 | 50 | -0.27 | 47 |
IV.SACS.HHE. | 2023-02-08T20:56:12.25 | 0.6 | undecidable | manual | P | 138 | 69.4749 | 50 | 0.59 | 41 |
IV.MALA5.EHN. | 2023-02-08T20:56:11.09 | 0.6 | undecidable | manual | S | 161 | 35.9418 | 50 | -0.62 | 43 |
IV.MCIV.CHE. | 2023-02-08T20:56:11.27 | 0.3 | undecidable | manual | P | 155 | 65.49 | 50 | 0.23 | 68 |
IV.MALA4.EHZ. | 2023-02-08T20:56:11.10 | 0.6 | undecidable | manual | S | 161 | 36.1416 | 50 | -0.65 | 42 |
IV.MALA1.EHZ. | 2023-02-08T20:56:11.21 | 0.6 | undecidable | manual | S | 161 | 36.2415 | 50 | -0.58 | 43 |
IV.CRE.HHZ. | 2023-02-08T20:56:11.23 | 0.3 | undecidable | manual | P | 56 | 60.1953 | 50 | 1.01 | 52 |
IV.MALA0.EHZ. | 2023-02-08T20:56:10.87 | 0.6 | undecidable | manual | S | 162 | 35.9418 | 50 | -0.85 | 39 |
IV.RUFI.EHE. | 2023-02-08T20:56:10.65 | 0.3 | undecidable | manual | P | 14 | 59.8956 | 50 | 0.48 | 65 |
TV.SF11.HHZ. | 2023-02-08T20:56:09.95 | 0.1 | undecidable | manual | P | 150 | 56.6988 | 50 | 0.26 | 91 |
IV.CAFI.HHZ. | 2023-02-08T20:56:09.00 | 0.1 | positive | manual | P | 88 | 51.1155 | 50 | 0.18 | 94 |
IV.ARCI.HHZ. | 2023-02-08T20:56:09.40 | 0.3 | undecidable | manual | P | 167 | 52.503 | 50 | 0.37 | 67 |
IV.CRMI.HNN. | 2023-02-08T20:56:09.72 | 0.3 | undecidable | manual | P | 332 | 60.5949 | 50 | -0.56 | 63 |
IV.TRIF.CHZ. | 2023-02-08T20:56:07.86 | 0.3 | undecidable | manual | P | 238 | 41.2254 | 50 | 0.56 | 65 |
IV.OSSC.HHZ. | 2023-02-08T20:56:07.90 | 0.6 | undecidable | manual | S | 343 | 24.3534 | 112 | -0.54 | 45 |
IV.MALA1.EHZ. | 2023-02-08T20:56:06.45 | 0.3 | undecidable | manual | P | 161 | 36.2415 | 50 | -0.08 | 74 |
IV.FROS.CHZ. | 2023-02-08T20:56:06.46 | 0.6 | undecidable | manual | S | 231 | 18.3705 | 118 | -0.09 | 51 |
IV.MALA5.EHN. | 2023-02-08T20:56:06.38 | 0.3 | undecidable | manual | P | 161 | 35.9418 | 50 | -0.1 | 73 |
IV.MALA0.EHZ. | 2023-02-08T20:56:06.45 | 0.3 | undecidable | manual | P | 162 | 35.9418 | 50 | -0.04 | 74 |
IV.MALA4.EHZ. | 2023-02-08T20:56:06.44 | 0.1 | undecidable | manual | P | 161 | 36.1416 | 50 | -0.07 | 98 |
IV.CSNT.HHZ. | 2023-02-08T20:56:05.84 | 0.6 | undecidable | manual | S | 349 | 18.0708 | 118 | -0.6 | 45 |
IV.OSSC.HHZ. | 2023-02-08T20:56:04.35 | 0.1 | negative | manual | P | 343 | 24.3534 | 112 | -0.24 | 97 |
IV.CSNT.HHZ. | 2023-02-08T20:56:03.30 | 0.1 | negative | manual | P | 349 | 18.0708 | 118 | -0.15 | 100 |
IV.FROS.CHZ. | 2023-02-08T20:56:03.85 | 0.1 | positive | manual | P | 231 | 18.3705 | 118 | 0.35 | 96 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.CSNT.HHN. | ML:1.8 | 0.000587 | 0.12 | AML | other | m | 2023-02-08T20:56:06.15 |
IV.CSNT.HHE. | ML:2.1 | 0.0009750000000000001 | 0.24 | AML | other | m | 2023-02-08T20:56:06.23 |
IV.FROS.CHE. | ML:2.1 | 0.0009484999999999999 | 0.2 | AML | other | m | 2023-02-08T20:56:06.69 |
IV.OSSC.HHN. | ML:2.0 | 0.0006125000000000001 | 0.76 | AML | other | m | 2023-02-08T20:56:08.22 |
IV.OSSC.HHE. | ML:2.2 | 0.0010005 | 0.22 | AML | other | m | 2023-02-08T20:56:08.25 |
IV.FROS.CHN. | ML:1.9 | 0.0007115 | 0.36 | AML | other | m | 2023-02-08T20:56:08.99 |
IV.CAFI.HHE. | ML:1.6 | 0.0000977 | 1.76 | AML | other | m | 2023-02-08T20:56:15.09 |
IV.CAFI.HHN. | ML:1.7 | 0.0001225 | 0.28 | AML | other | m | 2023-02-08T20:56:16.44 |
IV.ARCI.HHN. | ML:1.8 | 0.00015699999999999997 | 1.46 | AML | other | m | 2023-02-08T20:56:18.23 |
IV.ARCI.HNN. | ML:1.8 | 0.0001545 | 1.44 | AML | other | m | 2023-02-08T20:56:18.23 |
IV.ARCI.HHE. | ML:1.9 | 0.0001875 | 0.58 | AML | other | m | 2023-02-08T20:56:18.37 |
IV.ARCI.HNE. | ML:1.9 | 0.0001825 | 0.58 | AML | other | m | 2023-02-08T20:56:18.37 |
IV.CRE.HHN. | ML:1.7 | 0.00010505 | 1 | AML | other | m | 2023-02-08T20:56:20.26 |
IV.CRE.HHE. | ML:1.6 | 0.00009175 | 0.98 | AML | other | m | 2023-02-08T20:56:21.21 |