A magnitude ML 0.9 earthquake occured in region: 6 km NW Arquata del Tronto (AP), on
and geographic coordinates (lat, lon) 42.8120, 13.2480 at 17 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 |
---|---|---|---|---|
Arquata del Tronto | AP | 6 | 1178 | 1178 |
Montegallo | AP | 8 | 523 | 1701 |
Montemonaco | AP | 12 | 604 | 2305 |
Castelsantangelo sul Nera | MC | 12 | 281 | 2586 |
Norcia | PG | 13 | 4957 | 7543 |
Accumoli | RI | 13 | 667 | 8210 |
Acquasanta Terme | AP | 14 | 2916 | 11126 |
Montefortino | FM | 17 | 1178 | 12304 |
Ussita | MC | 17 | 444 | 12748 |
Preci | PG | 19 | 724 | 13472 |
Visso | MC | 19 | 1107 | 14579 |
Roccafluvione | AP | 19 | 2010 | 16589 |
Palmiano | AP | 20 | 196 | 16785 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.9 | 2017-10-02 20:36:46 |
42.8117 | 13.2478 | 17 | 2017-10-02 20:58:26 |
Sala Sismica INGV-Roma | 50643201 |
Field | Value |
---|---|
Time (UTC) | 2017-10-02 20:36:46 ± 0.1 |
Latitude | 42.8117 ± 0.0027 |
Longitude | 13.2478 ± 0.0049 |
Depth (km) | 17 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 50643201 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 359 |
Semi-minor axis of confidence ellipse (meter) | 138 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 266 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 360.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 84 |
Number of associated phases, regardless of their use for origin computation | 19 |
Number of defining phases | 19 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.18 |
Epicentral distance of station closest to the epicenter (degree) | 0.05936 |
Epicentral distance of station farthest from the epicenter (degree) | 0.52790 |
Number of stations at which the event was observed | 10 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.2 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 50643201 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2017-10-02 20:58:26 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.TERO.HHZ. | 2017-10-02T20:36:59.05 | 0.3 | undecidable | manual | S | 126 | 35.8419 | 104 | 0.05 | 71 |
IV.T1221.EHZ. | 2017-10-02T20:36:58.40 | 0.3 | undecidable | manual | S | 280 | 33.0447 | 105 | 0.11 | 71 |
IV.RM33.EHZ. | 2017-10-02T20:36:58.79 | 0.3 | undecidable | manual | S | 185 | 33.6441 | 105 | 0.34 | 67 |
IV.GUMA.HHZ. | 2017-10-02T20:36:57.74 | 0.3 | undecidable | manual | S | 14 | 28.749 | 109 | 0.56 | 64 |
IV.EL6.EHZ. | 2017-10-02T20:36:57.27 | 1.0 | undecidable | manual | P | 348 | 58.5969 | 97 | -0.04 | 23 |
IV.CSP1.EHZ. | 2017-10-02T20:36:57.74 | 0.3 | undecidable | manual | S | 354 | 31.2465 | 107 | -0.09 | 71 |
IV.SMA1.EHZ. | 2017-10-02T20:36:55.22 | 0.3 | undecidable | manual | S | 160 | 21.3675 | 118 | -0.14 | 72 |
IV.RM33.EHZ. | 2017-10-02T20:36:53.56 | 0.1 | undecidable | manual | P | 185 | 33.6441 | 105 | 0.04 | 95 |
IV.MMO1.EHZ. | 2017-10-02T20:36:53.06 | 0.3 | undecidable | manual | S | 33 | 11.6772 | 138 | -0.25 | 71 |
IV.TERO.HHZ. | 2017-10-02T20:36:53.76 | 0.1 | undecidable | manual | P | 126 | 35.8419 | 104 | -0.08 | 94 |
IV.MTRA.EHZ. | 2017-10-02T20:36:53.58 | 0.6 | undecidable | manual | S | 117 | 13.5753 | 133 | -0.09 | 49 |
IV.GUMA.HHZ. | 2017-10-02T20:36:53.00 | 0.1 | undecidable | manual | P | 14 | 28.749 | 109 | 0.2 | 93 |
IV.T1221.EHZ. | 2017-10-02T20:36:53.21 | 0.1 | undecidable | manual | P | 280 | 33.0447 | 105 | -0.22 | 91 |
IV.CSP1.EHZ. | 2017-10-02T20:36:52.93 | 0.6 | negative | manual | P | 354 | 31.2465 | 107 | -0.24 | 46 |
IV.T1214.EHZ. | 2017-10-02T20:36:52.60 | 0.3 | undecidable | manual | S | 209 | 6.5934 | 155 | 0.04 | 74 |
IV.SMA1.EHZ. | 2017-10-02T20:36:51.77 | 0.6 | undecidable | manual | P | 160 | 21.3675 | 118 | 0.03 | 49 |
IV.T1214.EHZ. | 2017-10-02T20:36:50.15 | 0.1 | undecidable | manual | P | 209 | 6.5934 | 155 | 0.02 | 100 |
IV.MMO1.EHZ. | 2017-10-02T20:36:50.41 | 0.1 | undecidable | manual | P | 33 | 11.6772 | 138 | -0.15 | 97 |
IV.MTRA.EHZ. | 2017-10-02T20:36:50.75 | 0.1 | negative | manual | P | 117 | 13.5753 | 133 | -0.01 | 99 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MTRA.EHN. | ML:1.1 | 0.0000948 | 0.44 | AML | other | m | 2017-10-02T20:36:53.83 |
IV.MTRA.EHE. | ML:1.2 | 0.000124 | 1.42 | AML | other | m | 2017-10-02T20:36:53.95 |
IV.SMA1.EHE. | ML:0.8 | 0.0000334 | 0.32 | AML | other | m | 2017-10-02T20:36:55.56 |
IV.SMA1.EHN. | ML:0.7 | 0.00002825 | 0.92 | AML | other | m | 2017-10-02T20:36:56.65 |
IV.GUMA.HHN. | ML:1.3 | 0.00008265 | 1.62 | AML | other | m | 2017-10-02T20:36:58.12 |
IV.RM33.EHN. | ML:0.8 | 0.0000227 | 1.12 | AML | other | m | 2017-10-02T20:36:58.90 |
IV.TERO.HHN. | ML:0.7 | 0.0000218 | 0.66 | AML | other | m | 2017-10-02T20:37:00.00 |
IV.TERO.HHE. | ML:0.7 | 0.0000214 | 0.08 | AML | other | m | 2017-10-02T20:37:00.00 |
IV.RM33.EHE. | ML:0.8 | 0.0000266 | 0.44 | AML | other | m | 2017-10-02T20:37:00.39 |
IV.GUMA.HHE. | ML:1.2 | 0.0000724 | 0.32 | AML | other | m | 2017-10-02T20:37:00.73 |