A magnitude ML 0.8 earthquake occured in region: 3 km E Roccafluvione (AP), on
and geographic coordinates (lat, lon) 42.8540, 13.5140 at 19 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 |
---|---|---|---|---|
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 | 14 | 1785 | 73654 |
Comunanza | AP | 14 | 3166 | 76820 |
Montedinove | AP | 14 | 488 | 77308 |
Maltignano | AP | 14 | 2401 | 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 |
Montalto delle Marche | AP | 17 | 2122 | 97132 |
Sant'Egidio alla Vibrata | TE | 17 | 9811 | 106943 |
Montefortino | FM | 17 | 1178 | 108121 |
Offida | AP | 17 | 5058 | 113179 |
Smerillo | FM | 18 | 365 | 113544 |
Castorano | AP | 18 | 2380 | 115924 |
Montelparo | FM | 18 | 778 | 116702 |
Santa Vittoria in Matenano | FM | 19 | 1330 | 118032 |
Rocca Santa Maria | TE | 19 | 537 | 118569 |
Ancarano | TE | 19 | 1857 | 120426 |
Amandola | FM | 19 | 3629 | 124055 |
Colli del Tronto | AP | 19 | 3668 | 127723 |
Arquata del Tronto | AP | 20 | 1178 | 128901 |
Campli | TE | 20 | 7209 | 136110 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 0.8 | 2020-10-22 20:25:27 |
42.8542 | 13.5137 | 19 | 2021-02-26 14:56:20 |
Bollettino Sismico Italiano INGV | 87408371 |
Reviewed Rev100 |
ML 0.8 | 2020-10-22 20:25:27 |
42.8415 | 13.5082 | 11 | 2020-10-22 20:45:58 |
Sala Sismica INGV-Roma | 84037221 |
Field | Value |
---|---|
Time (UTC) | 2020-10-22 20:25:27 ± 0.2 |
Latitude | 42.8542 ± 0.0054 |
Longitude | 13.5137 ± 0.0123 |
Depth (km) | 19 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 87408371 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 969 |
Semi-minor axis of confidence ellipse (meter) | 152 |
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) | 970.0 |
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 | 19 |
Number of defining phases | 16 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.3 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.27789 |
Number of stations at which the event was observed | 11 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 0.8 |
Uncertainty | 0.2 |
Num. used stations | 9 |
Type of magnitude | ML |
Reference to an origin | 87408371 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-02-23 12:11:58 |
Field | Value |
---|---|
Value | 0.8 |
Uncertainty | 0.2 |
Num. used stations | 9 |
Type of magnitude | ML |
Reference to an origin | 84037221 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-10-22 20:45:58 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.FIR.HHZ. | 2020-10-22T20:26:29.19 | 3.0 | undecidable | manual | Sg | 7.16 | 0 | |||
IV.CRTC.HHZ. | 2020-10-22T20:26:02.76 | 3.0 | undecidable | manual | S | 0.31 | 0 | |||
IV.RMP.HHZ. | 2020-10-22T20:25:44.74 | 3.0 | undecidable | manual | P | -0.22 | 0 | |||
IV.T1299.HNN. | 2020-10-22T20:25:39.14 | 0.3 | undecidable | manual | S | 218 | 30.8469 | 111 | 0.57 | 64 |
IV.SMA1.EHZ. | 2020-10-22T20:25:38.32 | 0.3 | undecidable | manual | S | 210 | 28.749 | 113 | 0.26 | 70 |
IV.MNTT.EHZ. | 2020-10-22T20:25:37.63 | 0.3 | undecidable | manual | S | 16 | 23.9538 | 118 | 0.72 | 63 |
IV.TERO.HHZ. | 2020-10-22T20:25:37.41 | 0.3 | undecidable | manual | S | 164 | 26.6511 | 115 | -0.15 | 72 |
IV.OFFI.HHZ. | 2020-10-22T20:25:35.91 | 0.3 | undecidable | manual | S | 57 | 16.5723 | 131 | 0.62 | 67 |
IV.MMO1.EHZ. | 2020-10-22T20:25:34.99 | 0.3 | undecidable | manual | S | 288 | 15.9729 | 132 | -0.17 | 74 |
IV.MTRA.EHE. | 2020-10-22T20:25:34.81 | 0.3 | undecidable | manual | S | 221 | 14.3745 | 136 | -0.04 | 76 |
IV.MF5.EHZ. | 2020-10-22T20:25:34.76 | 0.3 | undecidable | manual | S | 344 | 15.4734 | 133 | -0.3 | 72 |
IV.TERO.HHZ. | 2020-10-22T20:25:33.01 | 0.3 | undecidable | manual | P | 164 | 26.6511 | 115 | -0.3 | 70 |
IV.SMA1.EHZ. | 2020-10-22T20:25:33.52 | 0.1 | undecidable | manual | P | 210 | 28.749 | 113 | -0.07 | 98 |
IV.T1299.HNN. | 2020-10-22T20:25:33.93 | 0.1 | undecidable | manual | P | 218 | 30.8469 | 111 | 0.04 | 98 |
IV.MNTT.EHZ. | 2020-10-22T20:25:32.97 | 0.1 | undecidable | manual | P | 16 | 23.9538 | 118 | 0.03 | 100 |
IV.MF5.EHZ. | 2020-10-22T20:25:31.60 | 0.3 | undecidable | manual | P | 344 | 15.4734 | 133 | -0.26 | 72 |
IV.MMO1.EHZ. | 2020-10-22T20:25:31.70 | 0.1 | undecidable | manual | P | 288 | 15.9729 | 132 | -0.22 | 98 |
IV.OFFI.HHZ. | 2020-10-22T20:25:31.85 | 0.1 | undecidable | manual | P | 57 | 16.5723 | 131 | -0.14 | 98 |
IV.MTRA.EHE. | 2020-10-22T20:25:31.58 | 0.1 | undecidable | manual | P | 221 | 14.3745 | 136 | -0.17 | 99 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.OFFI.HHN. | ML:0.9 | 0.000050834219999999997 | 0.2688 | AML | other | m | 2020-10-22T20:25:36.40 |
IV.TERO.HHE. | ML:0.8 | 0.00003214927 | 0.0768 | AML | other | m | 2020-10-22T20:25:37.60 |
IV.TERO.HNE. | ML:0.9 | 0.00003512265 | 0.064 | AML | other | m | 2020-10-22T20:25:37.57 |
IV.TERO.HHN. | ML:0.9 | 0.000037303059999999996 | 0.064 | AML | other | m | 2020-10-22T20:25:37.68 |
IV.MNTT.EHN. | ML:1.0 | 0.000057393975 | 0.3328 | AML | other | m | 2020-10-22T20:25:37.84 |
IV.OFFI.HHE. | ML:0.9 | 0.000050684305 | 0.4608 | AML | other | m | 2020-10-22T20:25:37.96 |
IV.SMA1.EHN. | ML:0.5 | 0.00001686785 | 0.1152 | AML | other | m | 2020-10-22T20:25:39.10 |
IV.SMA1.EHE. | ML:0.5 | 0.000015269335000000002 | 0.1664 | AML | other | m | 2020-10-22T20:25:39.40 |
IV.MNTT.EHE. | ML:1.0 | 0.000049196165 | 0.2432 | AML | other | m | 2020-10-22T20:25:39.64 |