A magnitude ML 1.7 earthquake occured in region: 3 km E Siena (SI), on
and geographic coordinates (lat, lon) 43.3180, 11.3640 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 | 3 | 53903 | 53903 |
Monteroni d'Arbia | SI | 11 | 9088 | 62991 |
Sovicille | SI | 12 | 10116 | 73107 |
Castelnuovo Berardenga | SI | 12 | 9097 | 82204 |
Monteriggioni | SI | 14 | 9810 | 92014 |
Murlo | SI | 17 | 2389 | 94403 |
Gaiole in Chianti | SI | 18 | 2758 | 97161 |
Castellina in Chianti | SI | 18 | 2859 | 100020 |
Asciano | SI | 18 | 7118 | 107138 |
Radda in Chianti | SI | 19 | 1613 | 108751 |
Rapolano Terme | SI | 20 | 5249 | 114000 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.7 | 2023-02-09 02:33:00 |
43.3178 | 11.3642 | 9 | 2024-03-01 17:17:56 |
Bollettino Sismico Italiano INGV | 114597501 |
Reviewed Rev100 |
ML 1.8 | 2023-02-09 02:33:00 |
43.3262 | 11.3585 | 8 | 2023-02-09 02:38:41 |
Sala Sismica INGV-Roma | 114278611 |
Field | Value |
---|---|
Time (UTC) | 2023-02-09 02:33:00 ± 0.12 |
Latitude | 43.3178 ± 0.0054 |
Longitude | 11.3642 ± 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 | 114597501 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 774 |
Semi-minor axis of confidence ellipse (meter) | 575 |
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) | 770.0 |
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 | 28 |
Number of defining phases | 28 |
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) | 0.16458 |
Epicentral distance of station farthest from the epicenter (degree) | 0.64032 |
Number of stations at which the event was observed | 16 |
Number of stations from which data was used for origin computation | 16 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 0.3 |
Num. used stations | 14 |
Type of magnitude | ML |
Reference to an origin | 114597501 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2023-09-18 13:13:40 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.2 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 114278611 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-02-09 02:38:41 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CRE.HHZ. | 2023-02-09T02:33:19.01 | 0.6 | undecidable | manual | S | 55 | 57.8976 | 50 | 0.65 | 41 |
IV.CRMI.HNN. | 2023-02-09T02:33:19.08 | 0.6 | undecidable | manual | S | 330 | 61.3941 | 50 | -0.2 | 46 |
IV.RUFI.EHE. | 2023-02-09T02:33:18.37 | 0.6 | undecidable | manual | S | 11 | 58.8966 | 50 | -0.25 | 46 |
TV.SF11.HHZ. | 2023-02-09T02:33:16.94 | 0.3 | undecidable | manual | S | 153 | 55.9995 | 50 | -0.9 | 55 |
IV.CAFI.HNN. | 2023-02-09T02:33:15.43 | 0.3 | undecidable | manual | S | 88 | 48.618 | 50 | -0.45 | 67 |
IV.TRIF.CHZ. | 2023-02-09T02:33:14.40 | 0.3 | undecidable | manual | S | 239 | 43.623 | 50 | -0.14 | 72 |
IV.CASP.HHZ. | 2023-02-09T02:33:13.60 | 0.3 | undecidable | manual | P | 215 | 71.0733 | 50 | 0.96 | 52 |
IV.SSP9.EHZ. | 2023-02-09T02:33:12.82 | 0.3 | undecidable | manual | P | 65 | 67.9764 | 50 | 0.65 | 60 |
IV.SACS.HHE. | 2023-02-09T02:33:12.76 | 0.3 | undecidable | manual | P | 139 | 68.2761 | 50 | 0.56 | 62 |
IV.MALA5.EHN. | 2023-02-09T02:33:11.88 | 0.3 | undecidable | manual | S | 165 | 35.742 | 50 | -0.55 | 66 |
IV.CRMI.HNN. | 2023-02-09T02:33:11.49 | 0.3 | undecidable | manual | P | 330 | 61.3941 | 50 | 0.35 | 66 |
IV.CRE.HHZ. | 2023-02-09T02:33:11.50 | 0.3 | undecidable | manual | P | 55 | 57.8976 | 50 | 0.89 | 55 |
IV.MALA4.EHZ. | 2023-02-09T02:33:11.98 | 0.3 | undecidable | manual | S | 165 | 35.8419 | 50 | -0.49 | 68 |
IV.MALA1.EHN. | 2023-02-09T02:33:11.90 | 0.3 | undecidable | manual | S | 165 | 36.0417 | 50 | -0.61 | 64 |
IV.RUFI.EHE. | 2023-02-09T02:33:10.72 | 0.6 | undecidable | manual | P | 11 | 58.8966 | 50 | -0.04 | 47 |
TV.SF11.HHZ. | 2023-02-09T02:33:10.65 | 0.1 | undecidable | manual | P | 153 | 55.9995 | 50 | 0.34 | 90 |
IV.CAFI.HNN. | 2023-02-09T02:33:09.32 | 0.3 | undecidable | manual | P | 88 | 48.618 | 50 | 0.14 | 71 |
IV.ARCI.HHZ. | 2023-02-09T02:33:09.86 | 0.1 | undecidable | manual | P | 170 | 52.503 | 50 | 0.09 | 95 |
IV.FROS.CHZ. | 2023-02-09T02:33:08.03 | 0.3 | undecidable | manual | S | 235 | 20.6682 | 114 | 0.17 | 74 |
IV.OSSC.HHZ. | 2023-02-09T02:33:08.69 | 0.3 | undecidable | manual | S | 337 | 24.753 | 110 | -0.49 | 69 |
IV.TRIF.CHZ. | 2023-02-09T02:33:08.75 | 0.3 | undecidable | manual | P | 239 | 43.623 | 50 | 0.35 | 69 |
IV.MALA4.EHZ. | 2023-02-09T02:33:07.17 | 0.1 | undecidable | manual | P | 165 | 35.8419 | 50 | -0.04 | 99 |
IV.MALA1.EHN. | 2023-02-09T02:33:07.18 | 0.1 | undecidable | manual | P | 165 | 36.0417 | 50 | -0.05 | 99 |
IV.MALA5.EHN. | 2023-02-09T02:33:07.24 | 0.3 | undecidable | manual | P | 165 | 35.742 | 50 | 0.05 | 74 |
IV.CSNT.HHZ. | 2023-02-09T02:33:06.68 | 0.1 | undecidable | manual | S | 341 | 18.2706 | 117 | -0.42 | 94 |
IV.OSSC.HHZ. | 2023-02-09T02:33:05.09 | 0.1 | undecidable | manual | P | 337 | 24.753 | 110 | -0.22 | 97 |
IV.FROS.CHZ. | 2023-02-09T02:33:04.83 | 0.1 | undecidable | manual | P | 235 | 20.6682 | 114 | 0.28 | 97 |
IV.CSNT.HHZ. | 2023-02-09T02:33:03.97 | 0.1 | undecidable | manual | P | 341 | 18.2706 | 117 | -0.14 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.CSNT.HHE. | ML:2.0 | 0.0007841739999999999 | 0.1008 | AML | other | m | 2023-02-09T02:33:06.86 |
IV.CSNT.HHN. | ML:2.0 | 0.0008200000000000001 | 0.18 | AML | other | m | 2023-02-09T02:33:07.22 |
IV.FROS.CHE. | ML:2.1 | 0.00101918695 | 0.152 | AML | other | m | 2023-02-09T02:33:08.19 |
IV.FROS.CHN. | ML:2.1 | 0.0009825377500000002 | 0.136 | AML | other | m | 2023-02-09T02:33:08.63 |
IV.OSSC.HHN. | ML:1.7 | 0.0002731639 | 0.2992 | AML | other | m | 2023-02-09T02:33:08.88 |
IV.OSSC.HHE. | ML:1.9 | 0.0004545 | 0.12 | AML | other | m | 2023-02-09T02:33:09.28 |
IV.TRIF.CHN. | ML:1.6 | 0.00011584814 | 0.104 | AML | other | m | 2023-02-09T02:33:15.14 |
IV.TRIF.CHE. | ML:1.5 | 0.00010308018499999999 | 0.136 | AML | other | m | 2023-02-09T02:33:15.91 |
IV.ARCI.HNN. | ML:1.5 | 0.00008161462 | 0.12 | AML | other | m | 2023-02-09T02:33:17.78 |
IV.ARCI.HHN. | ML:1.5 | 0.00008706962 | 0.1392 | AML | other | m | 2023-02-09T02:33:17.77 |
IV.ARCI.HHE. | ML:1.4 | 0.00006537316499999999 | 0.2 | AML | other | m | 2023-02-09T02:33:17.95 |
IV.ARCI.HNE. | ML:1.4 | 0.000058961175 | 0.2 | AML | other | m | 2023-02-09T02:33:18.05 |
IV.CRE.HHE. | ML:1.4 | 0.000052732335000000006 | 0.4192 | AML | other | m | 2023-02-09T02:33:21.51 |
IV.CRE.HHN. | ML:1.5 | 0.000072431445 | 0.3008 | AML | other | m | 2023-02-09T02:33:23.28 |