A magnitude ML 1.1 earthquake occured in region: 3 km E Roccafluvione (AP), on
and geographic coordinates (lat, lon) 42.8540, 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 | 3 | 2010 | 2010 |
Venarotta | AP | 4 | 2066 | 4076 |
Ascoli Piceno | AP | 5 | 49407 | 53483 |
Palmiano | AP | 7 | 196 | 53679 |
Folignano | AP | 10 | 9241 | 62920 |
Rotella | AP | 12 | 906 | 63826 |
Force | AP | 12 | 1354 | 65180 |
Acquasanta Terme | AP | 13 | 2916 | 68096 |
Castignano | AP | 13 | 2796 | 70892 |
Valle Castellana | TE | 13 | 977 | 71869 |
Appignano del Tronto | AP | 13 | 1785 | 73654 |
Comunanza | AP | 14 | 3166 | 76820 |
Maltignano | AP | 14 | 2401 | 79221 |
Montedinove | AP | 14 | 488 | 79709 |
Montegallo | AP | 15 | 523 | 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 | 17 | 5058 | 112001 |
Montefortino | FM | 17 | 1178 | 113179 |
Smerillo | FM | 18 | 365 | 113544 |
Castorano | AP | 18 | 2380 | 115924 |
Montelparo | FM | 19 | 778 | 116702 |
Rocca Santa Maria | TE | 19 | 537 | 117239 |
Santa Vittoria in Matenano | FM | 19 | 1330 | 118569 |
Ancarano | TE | 19 | 1857 | 120426 |
Amandola | FM | 19 | 3629 | 124055 |
Colli del Tronto | AP | 19 | 3668 | 127723 |
Campli | TE | 20 | 7209 | 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 1.1 | 2020-10-18 23:29:07 |
42.8537 | 13.5153 | 20 | 2020-10-18 23:35:25 |
Sala Sismica INGV-Roma | 83896221 |
Field | Value |
---|---|
Time (UTC) | 2020-10-18 23:29:07 ± 0.09 |
Latitude | 42.8537 ± 0.0027 |
Longitude | 13.5153 ± 0.0049 |
Depth (km) | 20 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 83896221 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 398 |
Semi-minor axis of confidence ellipse (meter) | 135 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 240 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 400.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 107 |
Number of associated phases, regardless of their use for origin computation | 14 |
Number of defining phases | 14 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.11 |
Epicentral distance of station closest to the epicenter (degree) | 0.13040 |
Epicentral distance of station farthest from the epicenter (degree) | 0.32915 |
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 | 1.1 |
Uncertainty | 0.1 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 83896221 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-10-18 23:35:25 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.TERO.HHZ. | 2020-10-18T23:29:17.89 | 0.3 | undecidable | manual | S | 164 | 26.6511 | 118 | 0.03 | 74 |
IV.MMO1.EHZ. | 2020-10-18T23:29:15.50 | 0.3 | undecidable | manual | S | 288 | 16.1727 | 134 | -0.08 | 74 |
IV.MTRA.EHZ. | 2020-10-18T23:29:15.34 | 0.3 | undecidable | manual | S | 222 | 14.4744 | 138 | 0.07 | 75 |
IV.MF5.EHZ. | 2020-10-18T23:29:15.49 | 0.3 | undecidable | manual | S | 343 | 15.5733 | 136 | 0.02 | 75 |
IV.NRCA.HHZ. | 2020-10-18T23:29:14.55 | 0.3 | undecidable | manual | P | 266 | 32.745 | 112 | 0.14 | 71 |
IV.CSP1.EHZ. | 2020-10-18T23:29:14.79 | 0.3 | undecidable | manual | P | 316 | 36.5412 | 109 | -0.17 | 71 |
IV.MNTT.EHZ. | 2020-10-18T23:29:13.41 | 0.3 | undecidable | manual | P | 16 | 23.9538 | 121 | 0.2 | 71 |
IV.SMA1.EHZ. | 2020-10-18T23:29:13.85 | 0.3 | undecidable | manual | P | 211 | 28.749 | 116 | 0 | 74 |
IV.TERO.HHZ. | 2020-10-18T23:29:13.42 | 0.1 | undecidable | manual | P | 164 | 26.6511 | 118 | -0.13 | 96 |
IV.MC2.EHZ. | 2020-10-18T23:29:13.79 | 0.3 | undecidable | manual | P | 284 | 27.2505 | 117 | 0.14 | 72 |
IV.MF5.EHZ. | 2020-10-18T23:29:12.06 | 0.1 | undecidable | manual | P | 343 | 15.5733 | 136 | -0.12 | 98 |
IV.OFFI.HHZ. | 2020-10-18T23:29:12.33 | 0.3 | undecidable | manual | P | 57 | 16.4724 | 134 | 0.04 | 75 |
IV.MMO1.EHZ. | 2020-10-18T23:29:12.16 | 0.3 | undecidable | manual | P | 288 | 16.1727 | 134 | -0.09 | 74 |
IV.MTRA.EHZ. | 2020-10-18T23:29:12.10 | 0.1 | undecidable | manual | P | 222 | 14.4744 | 138 | 0.04 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.TERO.HHE. | ML:1.0 | 0.00005085 | 0.2 | AML | other | m | 2020-10-18T23:29:18.19 |
IV.TERO.HHN. | ML:1.0 | 0.000042999999999999995 | 0.18 | AML | other | m | 2020-10-18T23:29:18.22 |
IV.MNTT.EHE. | ML:1.0 | 0.0000564 | 0.66 | AML | other | m | 2020-10-18T23:29:19.62 |
IV.NRCA.HHN. | ML:1.3 | 0.0000729 | 0.08 | AML | other | m | 2020-10-18T23:29:20.27 |
IV.NRCA.HHE. | ML:1.3 | 0.0000812 | 0.08 | AML | other | m | 2020-10-18T23:29:20.38 |
IV.MNTT.EHN. | ML:1.2 | 0.00007235 | 1.18 | AML | other | m | 2020-10-18T23:29:25.62 |