A magnitude ML 1.5 earthquake occured in region: 7 km S Massa Marittima (GR), on
and geographic coordinates (lat, lon) 42.9930, 10.9000 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 |
---|---|---|---|---|
Massa Marittima | GR | 7 | 8375 | 8375 |
Gavorrano | GR | 8 | 8580 | 16955 |
Scarlino | GR | 10 | 3847 | 20802 |
Follonica | GR | 14 | 21605 | 42407 |
Monterotondo Marittimo | GR | 17 | 1371 | 43778 |
Montieri | GR | 18 | 1204 | 44982 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.5 | 2014-12-11 03:32:23 |
42.9932 | 10.8998 | 7 | 2015-09-21 09:40:11 |
Bollettino Sismico Italiano INGV | 18482421 |
Reviewed Rev100 |
ML 1.5 | 2014-12-11 03:32:23 |
42.9907 | 10.9023 | 5 | 2014-12-11 03:38:35 |
Sala Sismica INGV-Roma | 14471121 |
Field | Value |
---|---|
Time (UTC) | 2014-12-11 03:32:23 ± 0.12 |
Latitude | 42.9932 ± 0.0045 |
Longitude | 10.8998 ± 0.0148 |
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 | 18482421 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1165 |
Semi-minor axis of confidence ellipse (meter) | 313 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 280 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1170.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 174 |
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) | 0.27 |
Epicentral distance of station closest to the epicenter (degree) | 0.12141 |
Epicentral distance of station farthest from the epicenter (degree) | 0.60794 |
Number of stations at which the event was observed | 8 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | 0.2 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 14471121 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2014-12-11 03:38:35 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | 0.2 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 18482421 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2015-04-17 08:42:46 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.OSSC.HHZ. | 2014-12-11T03:32:44.33 | 0.3 | undecidable | manual | S | 25 | 65.1903 | 50 | -0.15 | 67 |
IV.MAON.HHE. | 2014-12-11T03:32:44.44 | 0.3 | undecidable | manual | S | 163 | 65.3901 | 50 | -0.11 | 67 |
IV.MCIV.HHE. | 2014-12-11T03:32:44.70 | 0.3 | undecidable | manual | S | 110 | 67.4769 | 50 | -0.39 | 63 |
IV.CSNT.HHE. | 2014-12-11T03:32:43.33 | 0.3 | undecidable | manual | S | 31 | 61.8936 | 50 | -0.28 | 66 |
IV.ARCI.HHZ. | 2014-12-11T03:32:40.03 | 0.3 | undecidable | manual | S | 108 | 49.3173 | 50 | -0.22 | 68 |
IV.MCIV.HHE. | 2014-12-11T03:32:36.35 | 0.6 | undecidable | manual | P | 110 | 67.4769 | 50 | 0.33 | 43 |
IV.MAON.HHE. | 2014-12-11T03:32:36.21 | 0.3 | undecidable | manual | P | 163 | 65.3901 | 50 | 0.51 | 62 |
IV.CSNT.HHE. | 2014-12-11T03:32:35.45 | 0.3 | undecidable | manual | P | 31 | 61.8936 | 50 | 0.29 | 65 |
IV.OSSC.HHZ. | 2014-12-11T03:32:35.81 | 0.6 | undecidable | manual | P | 25 | 65.1903 | 50 | 0.15 | 45 |
IV.FROS.HHZ. | 2014-12-11T03:32:34.90 | 0.3 | undecidable | manual | S | 41 | 31.746 | 102 | 0.04 | 73 |
IV.ARCI.HHZ. | 2014-12-11T03:32:33.72 | 0.6 | undecidable | manual | P | 108 | 49.3173 | 50 | 0.5 | 43 |
IV.CASP.HHZ. | 2014-12-11T03:32:31.46 | 0.6 | undecidable | manual | S | 187 | 22.6551 | 106 | -0.32 | 47 |
IV.FROS.HHZ. | 2014-12-11T03:32:30.47 | 0.1 | undecidable | manual | P | 41 | 31.746 | 102 | 0.36 | 91 |
IV.TRIF.HHZ. | 2014-12-11T03:32:28.36 | 0.3 | undecidable | manual | S | 1 | 13.4754 | 116 | -0.45 | 69 |
IV.CASP.HHZ. | 2014-12-11T03:32:28.20 | 0.1 | undecidable | manual | P | 187 | 22.6551 | 106 | -0.13 | 97 |
IV.TRIF.HHZ. | 2014-12-11T03:32:26.66 | 0.1 | positive | manual | P | 1 | 13.4754 | 116 | 0.05 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.FROS.HHE. | ML:1.8 | 0.000285 | 0.22 | AML | other | m | 2014-12-11T03:32:35.21 |
IV.FROS.HHN. | ML:1.6 | 0.000188 | 1.02 | AML | other | m | 2014-12-11T03:32:35.31 |
IV.TRIF.HHE. | ML:1.3 | 0.0002445 | 1.08 | AML | other | m | 2014-12-11T03:32:28.58 |
IV.TRIF.HHN. | ML:1.4 | 0.000264 | 0.76 | AML | other | m | 2014-12-11T03:32:30.18 |