A magnitude ML 1.3 earthquake occured in region: 4 km E Siena (SI), on
and geographic coordinates (lat, lon) 43.3170, 11.3780 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 | 4 | 53903 | 53903 |
Monteroni d'Arbia | SI | 10 | 9088 | 62991 |
Castelnuovo Berardenga | SI | 11 | 9097 | 72088 |
Sovicille | SI | 13 | 10116 | 82204 |
Monteriggioni | SI | 16 | 9810 | 92014 |
Murlo | SI | 16 | 2389 | 94403 |
Asciano | SI | 17 | 7118 | 101521 |
Gaiole in Chianti | SI | 18 | 2758 | 104279 |
Rapolano Terme | SI | 19 | 5249 | 109528 |
Castellina in Chianti | SI | 19 | 2859 | 112387 |
Radda in Chianti | SI | 19 | 1613 | 114000 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.3 | 2023-02-09 16:52:00 |
43.3168 | 11.3785 | 9 | 2024-03-01 17:18:17 |
Bollettino Sismico Italiano INGV | 122288811 |
Reviewed Rev100 |
ML 1.1 | 2023-02-09 16:52:01 |
43.3207 | 11.3678 | 10 | 2023-02-09 17:01:10 |
Sala Sismica INGV-Roma | 114302341 |
Field | Value |
---|---|
Time (UTC) | 2023-02-09 16:52:00 ± 0.11 |
Latitude | 43.3168 ± 0.0072 |
Longitude | 11.3785 ± 0.0173 |
Depth (km) | 9 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 122288811 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1476 |
Semi-minor axis of confidence ellipse (meter) | 596 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 298 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1480.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 95 |
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) | 0.26 |
Epicentral distance of station closest to the epicenter (degree) | 0.16907 |
Epicentral distance of station farthest from the epicenter (degree) | 0.60704 |
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 | 1.3 |
Uncertainty | 0.3 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 122288811 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2023-10-22 15:15:10 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.2 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 114302341 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-02-09 17:01:10 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CAFI.HNE. | 2023-02-09T16:52:16.20 | 0.6 | undecidable | manual | S | 88 | 47.4192 | 50 | -0.24 | 47 |
IV.MALA1.EHZ. | 2023-02-09T16:52:13.00 | 0.6 | undecidable | manual | S | 167 | 35.6421 | 50 | -0.28 | 47 |
IV.MALA2.EHN. | 2023-02-09T16:52:13.05 | 0.6 | undecidable | manual | S | 167 | 35.6421 | 50 | -0.25 | 48 |
IV.SACS.HHE. | 2023-02-09T16:52:13.93 | 0.6 | undecidable | manual | P | 140 | 67.377 | 50 | 0.96 | 35 |
IV.MALA5.EHZ. | 2023-02-09T16:52:12.86 | 0.3 | undecidable | manual | S | 167 | 35.3424 | 50 | -0.34 | 70 |
IV.MALA0.EHZ. | 2023-02-09T16:52:12.88 | 0.6 | undecidable | manual | S | 167 | 35.3424 | 50 | -0.33 | 47 |
IV.CRE.HHZ. | 2023-02-09T16:52:12.23 | 0.6 | undecidable | manual | P | 54 | 56.9985 | 50 | 0.87 | 37 |
IV.MALA4.EHZ. | 2023-02-09T16:52:12.90 | 0.6 | undecidable | manual | S | 167 | 35.4423 | 50 | -0.34 | 47 |
IV.CAFI.HNE. | 2023-02-09T16:52:10.06 | 0.1 | undecidable | manual | P | 88 | 47.4192 | 50 | 0.17 | 94 |
IV.ARCI.HHZ. | 2023-02-09T16:52:10.84 | 0.3 | undecidable | manual | P | 171 | 52.2033 | 50 | 0.22 | 69 |
IV.OSSC.HHZ. | 2023-02-09T16:52:10.15 | 0.6 | undecidable | manual | S | 335 | 25.2525 | 110 | -0.15 | 49 |
IV.FROS.CHZ. | 2023-02-09T16:52:09.09 | 0.6 | undecidable | manual | S | 237 | 21.5673 | 114 | 0 | 51 |
IV.TRIF.CHZ. | 2023-02-09T16:52:09.89 | 0.3 | undecidable | manual | P | 240 | 44.5221 | 50 | 0.45 | 67 |
IV.MALA4.EHZ. | 2023-02-09T16:52:08.06 | 0.1 | undecidable | manual | P | 167 | 35.4423 | 50 | 0.02 | 100 |
IV.MALA0.EHZ. | 2023-02-09T16:52:08.08 | 0.1 | undecidable | manual | P | 167 | 35.3424 | 50 | 0.05 | 99 |
IV.MALA2.EHN. | 2023-02-09T16:52:08.10 | 0.3 | undecidable | manual | P | 167 | 35.6421 | 50 | 0.03 | 75 |
IV.CSNT.HHZ. | 2023-02-09T16:52:07.84 | 0.6 | undecidable | manual | S | 338 | 18.7701 | 117 | -0.37 | 48 |
IV.MALA5.EHZ. | 2023-02-09T16:52:07.92 | 0.3 | undecidable | manual | P | 167 | 35.3424 | 50 | -0.09 | 74 |
IV.MALA1.EHZ. | 2023-02-09T16:52:07.98 | 0.3 | undecidable | manual | P | 167 | 35.6421 | 50 | -0.09 | 74 |
IV.OSSC.HHZ. | 2023-02-09T16:52:06.14 | 0.1 | negative | manual | P | 335 | 25.2525 | 110 | -0.2 | 98 |
IV.FROS.CHZ. | 2023-02-09T16:52:05.90 | 0.1 | undecidable | manual | P | 237 | 21.5673 | 114 | 0.26 | 97 |
IV.CSNT.HHZ. | 2023-02-09T16:52:04.99 | 0.1 | undecidable | manual | P | 338 | 18.7701 | 117 | -0.15 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.CSNT.HHN. | ML:1.1 | 0.000110881115 | 0.0768 | AML | other | m | 2023-02-09T16:52:08.05 |
IV.CSNT.HHE. | ML:1.6 | 0.0003025 | 0.08 | AML | other | m | 2023-02-09T16:52:08.07 |
IV.FROS.CHE. | ML:1.8 | 0.00042587034999999997 | 0.4608 | AML | other | m | 2023-02-09T16:52:09.27 |
IV.FROS.CHN. | ML:1.9 | 0.0005076161500000001 | 0.1664 | AML | other | m | 2023-02-09T16:52:09.79 |
IV.OSSC.HHE. | ML:1.1 | 0.00007172400500000001 | 0.1792 | AML | other | m | 2023-02-09T16:52:10.39 |
IV.OSSC.HHN. | ML:1.0 | 0.000055527355 | 0.1024 | AML | other | m | 2023-02-09T16:52:10.36 |
IV.ARCI.HHN. | ML:1.2 | 0.000033042160000000004 | 0.1536 | AML | other | m | 2023-02-09T16:52:22.50 |
IV.ARCI.HHE. | ML:1.1 | 0.000029322805 | 1.2704 | AML | other | m | 2023-02-09T16:52:25.72 |