A magnitude ML 1.2 earthquake occured in region: 3 km E Roccafluvione (AP), on
and geographic coordinates (lat, lon) 42.8490, 13.5150 at 20 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 |
---|---|---|---|---|
Roccafluvione | AP | 4 | 2010 | 2010 |
Venarotta | AP | 4 | 2066 | 4076 |
Ascoli Piceno | AP | 5 | 49407 | 53483 |
Palmiano | AP | 7 | 196 | 53679 |
Folignano | AP | 10 | 9241 | 62920 |
Acquasanta Terme | AP | 12 | 2916 | 65836 |
Rotella | AP | 12 | 906 | 66742 |
Valle Castellana | TE | 13 | 977 | 67719 |
Force | AP | 13 | 1354 | 69073 |
Castignano | AP | 13 | 2796 | 71869 |
Appignano del Tronto | AP | 14 | 1785 | 73654 |
Maltignano | AP | 14 | 2401 | 76055 |
Comunanza | AP | 15 | 3166 | 79221 |
Montegallo | AP | 15 | 523 | 79744 |
Montedinove | AP | 15 | 488 | 80232 |
Civitella del Tronto | TE | 15 | 5116 | 85348 |
Montefalcone Appennino | FM | 16 | 424 | 85772 |
Montemonaco | AP | 16 | 604 | 86376 |
Castel di Lama | AP | 16 | 8634 | 95010 |
Sant'Egidio alla Vibrata | TE | 17 | 9811 | 104821 |
Montalto delle Marche | AP | 17 | 2122 | 106943 |
Offida | AP | 18 | 5058 | 112001 |
Montefortino | FM | 18 | 1178 | 113179 |
Rocca Santa Maria | TE | 18 | 537 | 113716 |
Smerillo | FM | 18 | 365 | 114081 |
Castorano | AP | 18 | 2380 | 116461 |
Ancarano | TE | 19 | 1857 | 118318 |
Montelparo | FM | 19 | 778 | 119096 |
Santa Vittoria in Matenano | FM | 19 | 1330 | 120426 |
Colli del Tronto | AP | 19 | 3668 | 124094 |
Campli | TE | 20 | 7209 | 131303 |
Amandola | FM | 20 | 3629 | 134932 |
Arquata del Tronto | AP | 20 | 1178 | 136110 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.2 | 2020-10-20 22:32:26 |
42.849 | 13.5147 | 20 | 2020-10-20 23:08:42 |
Sala Sismica INGV-Roma | 83968561 |
Field | Value |
---|---|
Time (UTC) | 2020-10-20 22:32:26 ± 0.17 |
Latitude | 42.8490 ± 0.0063 |
Longitude | 13.5147 ± 0.0074 |
Depth (km) | 20 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 83968561 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 643 |
Semi-minor axis of confidence ellipse (meter) | 375 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 168 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 640.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 108 |
Number of associated phases, regardless of their use for origin computation | 15 |
Number of defining phases | 14 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.19 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.33185 |
Number of stations at which the event was observed | 10 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.2 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 83968561 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-10-20 23:08:42 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CRTC.HHZ. | 2020-10-20T22:32:48.44 | 3.0 | positive | manual | P | 0.19 | 0 | |||
IV.MC2.EHZ. | 2020-10-20T22:32:37.38 | 0.6 | undecidable | manual | S | 285 | 27.3504 | 118 | 0.56 | 44 |
IV.TERO.HHZ. | 2020-10-20T22:32:36.53 | 0.6 | undecidable | manual | S | 164 | 26.1516 | 120 | 0 | 50 |
IV.MMO1.EHZ. | 2020-10-20T22:32:34.29 | 0.6 | undecidable | manual | S | 290 | 16.2726 | 135 | -0.14 | 50 |
IV.MF5.EHZ. | 2020-10-20T22:32:34.02 | 0.6 | undecidable | manual | S | 344 | 16.0728 | 136 | -0.36 | 47 |
IV.OFFI.HHZ. | 2020-10-20T22:32:34.96 | 0.6 | undecidable | manual | S | 56 | 16.872 | 134 | 0.42 | 47 |
IV.CSP1.EHZ. | 2020-10-20T22:32:33.55 | 0.6 | negative | manual | P | 317 | 36.8298 | 110 | -0.21 | 47 |
IV.NRCA.HHZ. | 2020-10-20T22:32:33.20 | 0.6 | undecidable | manual | P | 267 | 32.6451 | 113 | 0.06 | 49 |
IV.MC2.EHZ. | 2020-10-20T22:32:32.43 | 0.1 | undecidable | manual | P | 285 | 27.3504 | 118 | 0.01 | 100 |
IV.MNTT.EHZ. | 2020-10-20T22:32:32.07 | 0.6 | positive | manual | P | 16 | 24.5532 | 122 | 0.03 | 50 |
IV.SMA1.EHZ. | 2020-10-20T22:32:32.63 | 0.1 | positive | manual | P | 211 | 28.3494 | 117 | 0.09 | 98 |
IV.TERO.HHZ. | 2020-10-20T22:32:32.19 | 0.3 | undecidable | manual | P | 164 | 26.1516 | 120 | -0.06 | 75 |
IV.OFFI.HHZ. | 2020-10-20T22:32:31.05 | 0.3 | negative | manual | P | 56 | 16.872 | 134 | -0.05 | 76 |
IV.MMO1.EHZ. | 2020-10-20T22:32:30.80 | 0.6 | undecidable | manual | P | 290 | 16.2726 | 135 | -0.24 | 49 |
IV.MF5.EHZ. | 2020-10-20T22:32:30.79 | 1.0 | positive | manual | P | 344 | 16.0728 | 136 | -0.22 | 24 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.TERO.HHN. | ML:0.9 | 0.00004 | 0.16 | AML | other | m | 2020-10-20T22:32:36.67 |
IV.TERO.HHE. | ML:1.1 | 0.00005325 | 1.42 | AML | other | m | 2020-10-20T22:32:37.72 |
IV.NRCA.HHN. | ML:1.3 | 0.00006755 | 0.28 | AML | other | m | 2020-10-20T22:32:38.77 |
IV.NRCA.HHE. | ML:1.3 | 0.00008005 | 1.9 | AML | other | m | 2020-10-20T22:32:39.02 |