A magnitude ML 1.6 earthquake occured in region: 2 km W Roccastrada (GR), on
and geographic coordinates (lat, lon) 43.0060, 11.1460 at 11 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 |
---|---|---|---|---|
Roccastrada | GR | 2 | 9199 | 9199 |
Civitella Paganico | GR | 11 | 3154 | 12353 |
Monticiano | SI | 15 | 1571 | 13924 |
Campagnatico | GR | 17 | 2412 | 16336 |
Chiusdino | SI | 17 | 1903 | 18239 |
Montieri | GR | 17 | 1204 | 19443 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.6 | 2018-02-16 08:04:25 |
43.0062 | 11.1463 | 11 | 2019-04-24 14:49:23 |
Bollettino Sismico Italiano INGV | 55275491 |
Reviewed Rev100 |
ML 1.6 | 2018-02-16 08:04:25 |
43.0002 | 11.1502 | 10 | 2018-02-16 08:11:15 |
Sala Sismica INGV-Roma | 53933911 |
Field | Value |
---|---|
Time (UTC) | 2018-02-16 08:04:25 ± 0.21 |
Latitude | 43.0062 ± 0.0099 |
Longitude | 11.1463 ± 0.0135 |
Depth (km) | 11 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 55275491 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1003 |
Semi-minor axis of confidence ellipse (meter) | 884 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 11 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1000.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 112 |
Number of associated phases, regardless of their use for origin computation | 21 |
Number of defining phases | 16 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.38 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.57736 |
Number of stations at which the event was observed | 14 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | 0.5 |
Num. used stations | 11 |
Type of magnitude | ML |
Reference to an origin | 55275491 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2018-04-09 08:44:59 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | 0.8 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 53933911 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2018-02-16 08:11:15 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.NDIM.HNZ. | 2018-02-16T08:05:24.16 | 3.0 | undecidable | manual | Sn | -1.39 | 0 | |||
IV.NARO.HHZ. | 2018-02-16T08:04:52.09 | 3.0 | undecidable | manual | P | 1.62 | 0 | |||
IV.GROG.HHZ. | 2018-02-16T08:04:50.79 | 3.0 | undecidable | manual | P | 3.87 | 0 | |||
IV.MCIV.HHZ. | 2018-02-16T08:04:45.29 | 3.0 | undecidable | manual | S | 0.56 | 0 | |||
TV.SF13.HHE. | 2018-02-16T08:04:39.47 | 0.6 | undecidable | manual | S | 118 | 43.7229 | 50 | -0.47 | 45 |
TV.SF14.HHE. | 2018-02-16T08:04:39.83 | 0.6 | undecidable | manual | S | 126 | 47.1195 | 50 | -1.03 | 36 |
IV.MAON.HHZ. | 2018-02-16T08:04:38.07 | 0.1 | undecidable | manual | P | 181 | 64.0914 | 50 | 1 | 71 |
TV.SF01.EHN. | 2018-02-16T08:04:38.64 | 0.6 | undecidable | manual | S | 122 | 40.1265 | 50 | -0.35 | 47 |
IV.ARCI.HHZ. | 2018-02-16T08:04:36.41 | 0.6 | undecidable | manual | S | 123 | 31.746 | 50 | -0.33 | 48 |
IV.CASP.HHZ. | 2018-02-16T08:04:36.95 | 0.6 | undecidable | manual | S | 224 | 33.0447 | 50 | -0.15 | 50 |
IV.MCIV.HHZ. | 2018-02-16T08:04:35.69 | 3.0 | positive | manual | P | -0.96 | 0 | |||
IV.FROS.HHE. | 2018-02-16T08:04:34.49 | 0.6 | undecidable | manual | S | 2 | 22.5552 | 50 | 0.19 | 50 |
IV.MAGO.HHZ. | 2018-02-16T08:04:34.44 | 0.3 | undecidable | manual | P | 307 | 49.4172 | 50 | -0.36 | 69 |
TV.SF13.HHE. | 2018-02-16T08:04:34.32 | 0.1 | undecidable | manual | P | 118 | 43.7229 | 50 | 0.4 | 93 |
TV.SF14.HHE. | 2018-02-16T08:04:34.41 | 0.1 | undecidable | manual | P | 126 | 47.1195 | 50 | -0.05 | 99 |
TV.SF04.EHN. | 2018-02-16T08:04:34.66 | 0.1 | undecidable | manual | P | 114 | 45.8208 | 50 | 0.41 | 92 |
TV.SF01.EHN. | 2018-02-16T08:04:33.43 | 0.3 | undecidable | manual | P | 122 | 40.1265 | 50 | 0.06 | 75 |
IV.ARCI.HHZ. | 2018-02-16T08:04:32.22 | 0.1 | undecidable | manual | P | 123 | 31.746 | 50 | 0.14 | 100 |
IV.CASP.HHZ. | 2018-02-16T08:04:32.20 | 0.3 | undecidable | manual | P | 224 | 33.0447 | 50 | -0.08 | 76 |
IV.FROS.HHE. | 2018-02-16T08:04:30.57 | 0.3 | undecidable | manual | P | 2 | 22.5552 | 50 | -0.1 | 77 |
IV.RIBO.EHZ.01 | 2018-02-16T08:04:28.35 | 0.1 | undecidable | manual | P | 232 | 10.2786 | 136 | -0.31 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.RIBO.EHE.01 | ML:1.3 | 0.00026566505 | 0.16 | AML | other | m | 2018-02-16T08:04:31.99 |
IV.CASP.HHE. | ML:0.5 | 0.0000142165635 | 0.4224 | AML | other | m | 2018-02-16T08:04:48.19 |
IV.CASP.HHN. | ML:0.8 | 0.00002325501 | 5.5808 | AML | other | m | 2018-02-16T08:04:42.01 |
IV.ARCI.HHN. | ML:1.0 | 0.000045274129999999996 | 0.2368 | AML | other | m | 2018-02-16T08:04:36.94 |
IV.ARCI.HHE. | ML:1.0 | 0.00004167833999999999 | 0.2368 | AML | other | m | 2018-02-16T08:04:37.11 |
IV.MCIV.HHN. | ML:2.2 | 0.00039793505 | 0.064 | AML | other | m | 2018-02-16T08:04:49.86 |
IV.MCIV.HHE. | ML:2.4 | 0.0006082898999999999 | 0.064 | AML | other | m | 2018-02-16T08:04:45.49 |
IV.GROG.HHN. | ML:2.1 | 0.00009572382500000002 | 1.1392 | AML | other | m | 2018-02-16T08:04:55.30 |
IV.GROG.HHE. | ML:2.2 | 0.0001313819 | 1.056 | AML | other | m | 2018-02-16T08:05:08.23 |
IV.NARO.HHE. | ML:1.7 | 0.00002899531 | 0.064 | AML | other | m | 2018-02-16T08:05:26.74 |
IV.NARO.HHN. | ML:1.8 | 0.000033224360000000004 | 0.0576 | AML | other | m | 2018-02-16T08:05:25.11 |