A magnitude ML 1.6 earthquake occured in region: 5 km NW Chiusdino (SI), on
and geographic coordinates (lat, lon) 43.1970, 11.0540 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 |
---|---|---|---|---|
Chiusdino | SI | 5 | 1903 | 1903 |
Radicondoli | SI | 7 | 914 | 2817 |
Montieri | GR | 8 | 1204 | 4021 |
Castelnuovo di Val di Cecina | PI | 12 | 2231 | 6252 |
Monticiano | SI | 12 | 1571 | 7823 |
Casole d'Elsa | SI | 16 | 3897 | 11720 |
Sovicille | SI | 17 | 10116 | 21836 |
Monterotondo Marittimo | GR | 17 | 1371 | 23207 |
Pomarance | PI | 19 | 5897 | 29104 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.6 | 2015-12-19 17:35:36 |
43.1973 | 11.0542 | 6 | 2016-02-19 13:23:08 |
Bollettino Sismico Italiano INGV | 23512231 |
Reviewed Rev100 |
ML 1.6 | 2015-12-19 17:35:36 |
43.2007 | 11.0553 | 5 | 2015-12-19 17:42:32 |
Sala Sismica INGV-Roma | 22753241 |
Field | Value |
---|---|
Time (UTC) | 2015-12-19 17:35:36 ± 0.17 |
Latitude | 43.1973 ± 0.0081 |
Longitude | 11.0542 ± 0.0148 |
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 | 23512231 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 934 |
Semi-minor axis of confidence ellipse (meter) | 859 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 99 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 930.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 106 |
Number of associated phases, regardless of their use for origin computation | 16 |
Number of defining phases | 16 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.41 |
Epicentral distance of station closest to the epicenter (degree) | 0.13760 |
Epicentral distance of station farthest from the epicenter (degree) | 0.77072 |
Number of stations at which the event was observed | 9 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | 0.4 |
Num. used stations | 7 |
Type of magnitude | ML |
Reference to an origin | 23512231 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2016-02-16 07:33:01 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | 0.4 |
Num. used stations | 7 |
Type of magnitude | ML |
Reference to an origin | 22753241 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2015-12-19 17:42:32 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MAON.HHZ. | 2015-12-19T17:36:03.08 | 0.6 | undecidable | manual | S | 176 | 85.5477 | 50 | 0.37 | 42 |
IV.CELB.HHZ. | 2015-12-19T17:36:01.92 | 0.6 | undecidable | manual | S | 234 | 84.7485 | 50 | -0.58 | 39 |
IV.PII.HHZ. | 2015-12-19T17:35:58.92 | 0.3 | undecidable | manual | S | 324 | 72.1722 | 50 | -0.21 | 66 |
IV.ARCI.HHZ. | 2015-12-19T17:35:53.09 | 0.6 | undecidable | manual | S | 138 | 51.3153 | 50 | -0.49 | 43 |
IV.MAON.HHZ. | 2015-12-19T17:35:52.42 | 0.3 | undecidable | manual | P | 176 | 85.5477 | 50 | 0.87 | 52 |
IV.CELB.HHZ. | 2015-12-19T17:35:52.12 | 0.1 | negative | manual | P | 234 | 84.7485 | 50 | 0.68 | 76 |
IV.CASP.HHZ. | 2015-12-19T17:35:51.46 | 0.3 | undecidable | manual | S | 199 | 47.619 | 50 | -1.13 | 50 |
IV.PII.HHZ. | 2015-12-19T17:35:50.06 | 0.3 | undecidable | manual | P | 324 | 72.1722 | 50 | 0.57 | 61 |
IV.CSNT.HHZ. | 2015-12-19T17:35:48.60 | 0.6 | undecidable | manual | S | 32 | 36.0417 | 100 | -0.41 | 45 |
IV.CRMI.HNN. | 2015-12-19T17:35:48.63 | 0.6 | undecidable | manual | P | 355 | 66.6777 | 50 | -0.02 | 46 |
IV.ARCI.HHZ. | 2015-12-19T17:35:46.66 | 0.6 | undecidable | manual | P | 138 | 51.3153 | 50 | 0.37 | 44 |
IV.CASP.HHZ. | 2015-12-19T17:35:45.68 | 0.3 | undecidable | manual | P | 199 | 47.619 | 50 | -0.04 | 72 |
IV.OSSC.HHZ. | 2015-12-19T17:35:44.14 | 0.3 | undecidable | manual | P | 23 | 39.3273 | 99 | -0.17 | 71 |
IV.CSNT.HHZ. | 2015-12-19T17:35:43.59 | 0.1 | positive | manual | P | 32 | 36.0417 | 100 | -0.06 | 97 |
IV.TRIF.HHZ. | 2015-12-19T17:35:41.61 | 0.6 | undecidable | manual | S | 233 | 15.2736 | 112 | -0.43 | 47 |
IV.TRIF.HHZ. | 2015-12-19T17:35:39.74 | 0.1 | positive | manual | P | 233 | 15.2736 | 112 | 0.11 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.ARCI.HHN. | ML:1.1 | 0.0000371 | 1.28 | AML | other | m | 2015-12-19T17:35:53.91 |
IV.ARCI.HHE. | ML:1.2 | 0.00003945 | 1.34 | AML | other | m | 2015-12-19T17:35:53.57 |
IV.CASP.HHN. | ML:1.9 | 0.000222 | 0.32 | AML | other | m | 2015-12-19T17:35:51.65 |
IV.CASP.HHE. | ML:1.7 | 0.0001435 | 0.18 | AML | other | m | 2015-12-19T17:35:55.83 |
IV.CELB.HHN. | ML:2.0 | 0.00012815 | 0.08 | AML | other | m | 2015-12-19T17:37:03.84 |
IV.CELB.HHE. | ML:1.9 | 0.00009975 | 0.06 | AML | other | m | 2015-12-19T17:37:03.92 |
IV.CSNT.HHN. | ML:1.2 | 0.00007005 | 0.2 | AML | other | m | 2015-12-19T17:35:48.71 |
IV.CSNT.HHE. | ML:1.4 | 0.0000896 | 0.3 | AML | other | m | 2015-12-19T17:35:49.23 |
IV.MAON.HHE. | ML:1.8 | 0.00007335 | 0.18 | AML | other | m | 2015-12-19T17:36:04.58 |
IV.MAON.HHN. | ML:1.5 | 0.0000418 | 0.28 | AML | other | m | 2015-12-19T17:36:04.83 |
IV.OSSC.HHE. | ML:1.3 | 0.00007555000000000001 | 0.26 | AML | other | m | 2015-12-19T17:35:52.48 |
IV.OSSC.HHN. | ML:1.2 | 0.0000621 | 1.58 | AML | other | m | 2015-12-19T17:35:51.43 |
IV.TRIF.HHN. | ML:2.4 | 0.002885 | 1.12 | AML | other | m | 2015-12-19T17:35:42.65 |
IV.TRIF.HHE. | ML:2.5 | 0.0033250000000000003 | 0.26 | AML | other | m | 2015-12-19T17:35:42.56 |