A magnitude ML 0.7 earthquake occured in region: 13 km SW Roccastrada (GR), on
and geographic coordinates (lat, lon) 42.9200, 11.0760 at 9 km depth.
The earthquake was located by: Sala Sismica INGV-Roma.
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 | 13 | 9199 | 9199 |
Gavorrano | GR | 14 | 8580 | 17779 |
Campagnatico | GR | 17 | 2412 | 20191 |
Grosseto | GR | 18 | 82087 | 102278 |
Scarlino | GR | 18 | 3847 | 106125 |
Civitella Paganico | GR | 19 | 3154 | 109279 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.7 | 2018-04-24 20:51:26 |
42.9202 | 11.0762 | 9 | 2018-04-24 20:56:12 |
Sala Sismica INGV-Roma | 56053181 |
Field | Value |
---|---|
Time (UTC) | 2018-04-24 20:51:26 ± 0.17 |
Latitude | 42.9202 ± 0.0117 |
Longitude | 11.0762 ± 0.0221 |
Depth (km) | 9 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 56053181 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1716 |
Semi-minor axis of confidence ellipse (meter) | 1241 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 278 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1720.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 127 |
Number of associated phases, regardless of their use for origin computation | 8 |
Number of defining phases | 8 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.39 |
Epicentral distance of station closest to the epicenter (degree) | 0.03597 |
Epicentral distance of station farthest from the epicenter (degree) | 0.30037 |
Number of stations at which the event was observed | 4 |
Number of stations from which data was used for origin computation | 4 |
Field | Value |
---|---|
Value | 0.7 |
Uncertainty | 0.3 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 56053181 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2018-04-24 20:56:12 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ARCI.HHZ. | 2018-04-24T20:51:38.14 | 0.3 | undecidable | manual | S | 103 | 33.3444 | 50 | -0.38 | 68 |
IV.FROS.HHZ. | 2018-04-24T20:51:37.97 | 0.3 | undecidable | manual | S | 11 | 32.745 | 50 | -0.41 | 68 |
IV.CASP.HHZ. | 2018-04-24T20:51:34.62 | 0.6 | undecidable | manual | S | 230 | 22.3554 | 111 | -0.32 | 47 |
IV.FROS.HHZ. | 2018-04-24T20:51:33.98 | 0.3 | undecidable | manual | P | 11 | 32.745 | 50 | 0.57 | 65 |
IV.ARCI.HHZ. | 2018-04-24T20:51:33.77 | 0.1 | undecidable | manual | P | 103 | 33.3444 | 50 | 0.28 | 93 |
IV.CASP.HHZ. | 2018-04-24T20:51:31.55 | 0.3 | undecidable | manual | P | 230 | 22.3554 | 111 | 0.12 | 74 |
IV.RIBO.EHZ.01 | 2018-04-24T20:51:29.66 | 0.3 | undecidable | manual | S | 323 | 3.996 | 155 | -0.26 | 74 |
IV.RIBO.EHZ.01 | 2018-04-24T20:51:28.72 | 0.1 | undecidable | manual | P | 323 | 3.996 | 155 | 0.19 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.ARCI.HHN. | ML:0.5 | 0.00001565 | 1.54 | AML | other | m | 2018-04-24T20:51:38.12 |
IV.FROS.HHE. | ML:1.0 | 0.000043700000000000005 | 0.16 | AML | other | m | 2018-04-24T20:51:38.07 |
IV.FROS.HHN. | ML:0.9 | 0.00003495 | 0.3 | AML | other | m | 2018-04-24T20:51:38.20 |
IV.ARCI.HHE. | ML:0.4 | 0.000011019999999999998 | 0.7 | AML | other | m | 2018-04-24T20:51:39.48 |