A magnitude ML 1.0 earthquake occured in region: 6 km E Siena (SI), on
and geographic coordinates (lat, lon) 43.3190, 11.4130 at 6 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 | 7 | 53903 | 53903 |
Castelnuovo Berardenga | SI | 8 | 9097 | 63000 |
Monteroni d'Arbia | SI | 10 | 9088 | 72088 |
Asciano | SI | 15 | 7118 | 79206 |
Sovicille | SI | 15 | 10116 | 89322 |
Rapolano Terme | SI | 16 | 5249 | 94571 |
Murlo | SI | 17 | 2389 | 96960 |
Gaiole in Chianti | SI | 17 | 2758 | 99718 |
Monteriggioni | SI | 18 | 9810 | 109528 |
Radda in Chianti | SI | 19 | 1613 | 111141 |
Castellina in Chianti | SI | 20 | 2859 | 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 09:19:47 |
43.3192 | 11.4128 | 6 | 2024-03-01 17:18:03 |
Bollettino Sismico Italiano INGV | 116307271 |
Field | Value |
---|---|
Time (UTC) | 2023-02-09 09:19:47 ± 0.05 |
Latitude | 43.3192 ± 0.0018 |
Longitude | 11.4128 ± 0.0062 |
Depth (km) | 6 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 116307271 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 485 |
Semi-minor axis of confidence ellipse (meter) | 242 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 256 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 490.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 88 |
Number of associated phases, regardless of their use for origin computation | 31 |
Number of defining phases | 19 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.16 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.52341 |
Number of stations at which the event was observed | 22 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.2 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 116307271 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2023-04-12 09:42:21 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IX.SCL3.EHZ.02 | 2023-02-09T09:21:32.05 | 3.0 | undecidable | manual | Sn | 1.86 | 0 | |||
SL.LJU.BHZ. | 2023-02-09T09:21:31.62 | 3.0 | undecidable | manual | Sg | 12.76 | 0 | |||
IV.TDS.HHZ. | 2023-02-09T09:21:14.75 | 3.0 | negative | manual | Pg | 15.01 | 0 | |||
OT.OT15.EHZ. | 2023-02-09T09:21:00.81 | 3.0 | positive | manual | Pg | 9.65 | 0 | |||
MN.TRI.HHZ. | 2023-02-09T09:20:30.00 | 3.0 | undecidable | manual | Pn | 0.83 | 0 | |||
IV.PP3.EHZ. | 2023-02-09T09:20:28.88 | 3.0 | undecidable | manual | S | -0.47 | 0 | |||
IV.MMO1.EHZ. | 2023-02-09T09:20:22.92 | 3.0 | undecidable | manual | S | -3.33 | 0 | |||
IV.BRSN.HNZ. | 2023-02-09T09:20:18.57 | 3.0 | undecidable | manual | S | -1.39 | 0 | |||
IV.ARVD.HHZ. | 2023-02-09T09:20:11.20 | 3.0 | undecidable | manual | S | -4.3 | 0 | |||
IV.RUFI.EHE. | 2023-02-09T09:20:07.00 | 0.3 | undecidable | manual | S | 8 | 58.0974 | 50 | -0.01 | 72 |
IV.SFI.EHZ. | 2023-02-09T09:20:05.24 | 3.0 | undecidable | manual | Sn | -1.5 | 0 | |||
IV.ARCI.HHZ. | 2023-02-09T09:20:05.40 | 1.0 | undecidable | manual | S | 174 | 52.1034 | 50 | 0 | 24 |
IV.CAFI.HNN. | 2023-02-09T09:20:03.61 | 0.3 | undecidable | manual | S | 88 | 44.7219 | 50 | 0.18 | 71 |
IV.BDI.HHZ. | 2023-02-09T09:20:03.45 | 3.0 | undecidable | manual | P | -3.43 | 0 | |||
IV.NRCA.HHZ. | 2023-02-09T09:20:01.02 | 3.0 | undecidable | manual | Pg | -4.67 | 0 | |||
IV.MALA5.EHN. | 2023-02-09T09:20:00.19 | 0.1 | undecidable | manual | S | 171 | 35.0427 | 100 | -0.09 | 98 |
IV.MALA4.EHZ. | 2023-02-09T09:20:00.22 | 0.3 | undecidable | manual | S | 171 | 35.1426 | 100 | -0.11 | 73 |
IV.MALA0.EHN. | 2023-02-09T09:20:00.41 | 0.3 | undecidable | manual | S | 172 | 35.1426 | 100 | 0.11 | 73 |
IV.RUFI.EHE. | 2023-02-09T09:19:58.22 | 1.0 | undecidable | manual | P | 8 | 58.0974 | 50 | -0.73 | 20 |
IV.ARCI.HHZ. | 2023-02-09T09:19:57.99 | 0.1 | undecidable | manual | P | 174 | 52.1034 | 50 | -0.04 | 96 |
IV.TRIF.CHZ. | 2023-02-09T09:19:57.22 | 1.0 | undecidable | manual | P | 241 | 47.0196 | 50 | -0.03 | 24 |
IV.OSSC.HHZ. | 2023-02-09T09:19:57.25 | 0.3 | undecidable | manual | S | 329 | 26.3514 | 103 | -0.09 | 75 |
IV.CAFI.HNN. | 2023-02-09T09:19:56.67 | 1.0 | undecidable | manual | P | 88 | 44.7219 | 50 | -0.21 | 23 |
IV.FROS.CHZ. | 2023-02-09T09:19:56.43 | 0.3 | undecidable | manual | S | 240 | 24.0537 | 104 | -0.11 | 74 |
IV.MALA0.EHN. | 2023-02-09T09:19:55.29 | 0.6 | undecidable | manual | P | 172 | 35.1426 | 100 | 0.21 | 48 |
IV.CSNT.HHZ. | 2023-02-09T09:19:55.00 | 0.1 | undecidable | manual | S | 330 | 19.7691 | 107 | -0.11 | 100 |
IV.MALA5.EHN. | 2023-02-09T09:19:55.20 | 1.0 | undecidable | manual | P | 171 | 35.0427 | 100 | 0.14 | 24 |
IV.MALA4.EHZ. | 2023-02-09T09:19:54.67 | 0.6 | undecidable | manual | P | 171 | 35.1426 | 100 | -0.42 | 46 |
IV.FROS.CHZ. | 2023-02-09T09:19:53.21 | 0.1 | undecidable | manual | P | 240 | 24.0537 | 104 | 0.3 | 95 |
IV.OSSC.HHZ. | 2023-02-09T09:19:53.43 | 0.1 | undecidable | manual | P | 329 | 26.3514 | 103 | 0.06 | 100 |
IV.CSNT.HHZ. | 2023-02-09T09:19:52.26 | 0.1 | negative | manual | P | 330 | 19.7691 | 107 | 0.18 | 99 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.CSNT.HHN. | ML:1.1 | 0.00009627371000000001 | 0.1216 | AML | other | m | 2023-02-09T09:19:55.43 |
IV.CSNT.HHE. | ML:1.1 | 0.000098200075 | 0.0832 | AML | other | m | 2023-02-09T09:19:55.46 |
IV.FROS.CHE. | ML:1.2 | 0.00009593699499999999 | 0.1792 | AML | other | m | 2023-02-09T09:19:56.76 |
IV.FROS.CHN. | ML:1.2 | 0.00011242948499999999 | 0.192 | AML | other | m | 2023-02-09T09:19:57.14 |
IV.OSSC.HHE. | ML:0.9 | 0.00004659938 | 0.1024 | AML | other | m | 2023-02-09T09:19:57.61 |
IV.OSSC.HHN. | ML:0.7 | 0.000028669578500000002 | 0.2048 | AML | other | m | 2023-02-09T09:19:57.63 |