A magnitude ML 1.3 earthquake occured in region: 4 km NW Castelnuovo di Val di Cecina (PI), on
and geographic coordinates (lat, lon) 43.2340, 10.8680 at 7 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 |
---|---|---|---|---|
Castelnuovo di Val di Cecina | PI | 4 | 2231 | 2231 |
Pomarance | PI | 8 | 5897 | 8128 |
Monterotondo Marittimo | GR | 10 | 1371 | 9499 |
Monteverdi Marittimo | PI | 14 | 758 | 10257 |
Radicondoli | SI | 15 | 914 | 11171 |
Montieri | GR | 17 | 1204 | 12375 |
Casole d'Elsa | SI | 19 | 3897 | 16272 |
Volterra | PI | 19 | 10519 | 26791 |
Chiusdino | SI | 20 | 1903 | 28694 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.3 | 2019-12-31 00:58:19 |
43.2337 | 10.8678 | 7 | 2020-02-28 16:42:17 |
Bollettino Sismico Italiano INGV | 75195251 |
Reviewed Rev100 |
ML 1.4 | 2019-12-31 00:58:19 |
43.2312 | 10.8622 | 8 | 2019-12-31 01:04:10 |
Sala Sismica INGV-Roma | 75133801 |
Field | Value |
---|---|
Time (UTC) | 2019-12-31 00:58:19 ± 0.1 |
Latitude | 43.2337 ± 0.0072 |
Longitude | 10.8678 ± 0.0074 |
Depth (km) | 7 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 75195251 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 770 |
Semi-minor axis of confidence ellipse (meter) | 609 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 201 |
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) | 118 |
Number of associated phases, regardless of their use for origin computation | 13 |
Number of defining phases | 13 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.27 |
Epicentral distance of station closest to the epicenter (degree) | 0.12141 |
Epicentral distance of station farthest from the epicenter (degree) | 0.68348 |
Number of stations at which the event was observed | 7 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 1.4 |
Uncertainty | 0.2 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 75133801 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2019-12-31 01:04:10 |
Field | Value |
---|---|
Value | 1.3 |
Uncertainty | 0.2 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 75195251 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2020-01-24 09:10:29 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CSNT.HHZ. | 2019-12-31T00:58:34.04 | 0.6 | undecidable | manual | S | 52 | 43.2234 | 50 | -0.57 | 42 |
IV.OSSC.HNE. | 2019-12-31T00:58:34.92 | 0.6 | undecidable | manual | S | 43 | 44.3223 | 50 | 0.02 | 48 |
IV.CELB.HHZ. | 2019-12-31T00:58:33.83 | 0.3 | undecidable | manual | P | 225 | 75.8685 | 50 | 0.51 | 61 |
IV.RIBO.EHZ.01 | 2019-12-31T00:58:31.18 | 0.6 | undecidable | manual | S | 155 | 34.743 | 101 | -0.71 | 41 |
IV.CSNT.HHZ. | 2019-12-31T00:58:28.23 | 0.1 | undecidable | manual | P | 52 | 43.2234 | 50 | -0.04 | 96 |
IV.FROS.CHZ. | 2019-12-31T00:58:28.31 | 0.6 | undecidable | manual | S | 96 | 23.4543 | 106 | 0.23 | 48 |
IV.OSSC.HNE. | 2019-12-31T00:58:28.46 | 0.1 | undecidable | manual | P | 43 | 44.3223 | 50 | 0.02 | 96 |
IV.RIBO.EHZ.01 | 2019-12-31T00:58:26.64 | 0.3 | undecidable | manual | P | 155 | 34.743 | 101 | -0.07 | 73 |
IV.MAGO.CHZ. | 2019-12-31T00:58:25.68 | 0.6 | undecidable | manual | S | 285 | 17.4714 | 111 | -0.43 | 46 |
IV.TRIF.CHZ. | 2019-12-31T00:58:24.74 | 0.6 | undecidable | manual | S | 168 | 13.4754 | 116 | -0.09 | 50 |
IV.FROS.CHZ. | 2019-12-31T00:58:24.76 | 0.1 | undecidable | manual | P | 96 | 23.4543 | 106 | 0.26 | 95 |
IV.MAGO.CHZ. | 2019-12-31T00:58:23.45 | 0.1 | negative | manual | P | 285 | 17.4714 | 111 | 0.08 | 100 |
IV.TRIF.CHZ. | 2019-12-31T00:58:22.72 | 0.1 | undecidable | manual | P | 168 | 13.4754 | 116 | 0.09 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MAGO.CHE. | ML:1.3 | 0.000179 | 0.08 | AML | other | m | 2019-12-31T00:58:27.04 |
IV.MAGO.CHN. | ML:1.4 | 0.000203 | 1.64 | AML | other | m | 2019-12-31T00:58:27.17 |
IV.TRIF.CHN. | ML:1.5 | 0.00036050000000000003 | 1.26 | AML | other | m | 2019-12-31T00:58:28.19 |
IV.FROS.CHE. | ML:1.1 | 0.0000814 | 0.4 | AML | other | m | 2019-12-31T00:58:28.82 |
IV.FROS.CHN. | ML:1.3 | 0.0001295 | 0.38 | AML | other | m | 2019-12-31T00:58:28.82 |
IV.TRIF.CHE. | ML:1.5 | 0.00038749999999999993 | 0.7 | AML | other | m | 2019-12-31T00:58:30.76 |