A magnitude ML 0.9 earthquake occured in region: 3 km E Roccafluvione (AP), on
and geographic coordinates (lat, lon) 42.8530, 13.5070 at 21 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 | 3 | 2066 | 4076 |
Ascoli Piceno | AP | 6 | 49407 | 53483 |
Palmiano | AP | 7 | 196 | 53679 |
Folignano | AP | 11 | 9241 | 62920 |
Acquasanta Terme | AP | 12 | 2916 | 65836 |
Rotella | AP | 12 | 906 | 66742 |
Force | AP | 12 | 1354 | 68096 |
Valle Castellana | TE | 13 | 977 | 69073 |
Castignano | AP | 13 | 2796 | 71869 |
Comunanza | AP | 14 | 3166 | 75035 |
Montegallo | AP | 14 | 523 | 75558 |
Appignano del Tronto | AP | 14 | 1785 | 77343 |
Montedinove | AP | 15 | 488 | 77831 |
Maltignano | AP | 15 | 2401 | 80232 |
Montemonaco | AP | 16 | 604 | 80836 |
Montefalcone Appennino | FM | 16 | 424 | 81260 |
Civitella del Tronto | TE | 16 | 5116 | 86376 |
Montefortino | FM | 17 | 1178 | 87554 |
Castel di Lama | AP | 17 | 8634 | 96188 |
Montalto delle Marche | AP | 17 | 2122 | 98310 |
Sant'Egidio alla Vibrata | TE | 17 | 9811 | 108121 |
Smerillo | FM | 18 | 365 | 108486 |
Offida | AP | 18 | 5058 | 113544 |
Rocca Santa Maria | TE | 19 | 537 | 114081 |
Montelparo | FM | 19 | 778 | 114859 |
Santa Vittoria in Matenano | FM | 19 | 1330 | 116189 |
Castorano | AP | 19 | 2380 | 118569 |
Amandola | FM | 19 | 3629 | 122198 |
Arquata del Tronto | AP | 19 | 1178 | 123376 |
Ancarano | TE | 19 | 1857 | 125233 |
Colli del Tronto | AP | 20 | 3668 | 128901 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.9 | 2020-10-23 03:11:59 |
42.853 | 13.5067 | 21 | 2020-10-23 03:21:47 |
Sala Sismica INGV-Roma | 84046231 |
Field | Value |
---|---|
Time (UTC) | 2020-10-23 03:11:59 ± 0.18 |
Latitude | 42.8530 ± 0.0045 |
Longitude | 13.5067 ± 0.0086 |
Depth (km) | 21 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 84046231 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 739 |
Semi-minor axis of confidence ellipse (meter) | 132 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 281 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 740.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 115 |
Number of associated phases, regardless of their use for origin computation | 19 |
Number of defining phases | 18 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.22 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.40290 |
Number of stations at which the event was observed | 12 |
Number of stations from which data was used for origin computation | 11 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.3 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 84046231 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-10-23 03:21:47 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.FDMO.HHZ. | 2020-10-23T03:12:13.88 | 0.6 | undecidable | manual | S | 301 | 39.627 | 109 | 0.41 | 44 |
IV.SMA1.EHZ. | 2020-10-23T03:12:11.10 | 0.6 | undecidable | manual | S | 210 | 28.3494 | 118 | 0.4 | 45 |
IV.MNTT.EHZ. | 2020-10-23T03:12:09.89 | 0.3 | undecidable | manual | S | 17 | 24.2535 | 123 | 0.13 | 72 |
IV.GIGS.HHE. | 2020-10-23T03:12:08.05 | 0.1 | undecidable | manual | P | 173 | 44.7219 | 107 | -0.45 | 86 |
IV.OFFI.HHZ. | 2020-10-23T03:12:08.68 | 0.6 | undecidable | manual | S | 58 | 17.1717 | 135 | 0.41 | 46 |
IV.FDMO.HHZ. | 2020-10-23T03:12:07.82 | 1.0 | negative | manual | P | 301 | 39.627 | 109 | 0.06 | 24 |
IV.MF5.EHZ. | 2020-10-23T03:12:07.64 | 0.6 | undecidable | manual | S | 346 | 15.4734 | 138 | -0.31 | 47 |
IV.MMO1.EHZ. | 2020-10-23T03:12:07.48 | 0.6 | undecidable | manual | S | 289 | 15.4734 | 138 | -0.49 | 46 |
IV.MTRA.HNZ. | 2020-10-23T03:12:07.69 | 0.6 | undecidable | manual | S | 220 | 13.9749 | 141 | -0.01 | 50 |
IV.NRCA.HHZ. | 2020-10-23T03:12:06.89 | 0.3 | positive | manual | P | 266 | 31.9458 | 115 | 0.22 | 70 |
IV.SMA1.EHZ. | 2020-10-23T03:12:06.39 | 0.1 | undecidable | manual | P | 210 | 28.3494 | 118 | 0.23 | 94 |
IV.MC2.EHZ. | 2020-10-23T03:12:05.88 | 0.1 | undecidable | manual | P | 284 | 26.6511 | 120 | -0.05 | 98 |
IV.MNTT.EHZ. | 2020-10-23T03:12:05.78 | 0.3 | positive | manual | P | 17 | 24.2535 | 123 | 0.16 | 72 |
IV.SAP2.EHZ. | 2020-10-23T03:12:05.96 | 0.1 | undecidable | manual | P | 342 | 28.4493 | 118 | -0.21 | 94 |
IV.TERO.HHZ. | 2020-10-23T03:12:05.98 | 3.0 | undecidable | manual | P | -0.04 | 0 | |||
IV.MMO1.EHZ. | 2020-10-23T03:12:04.55 | 0.6 | undecidable | manual | P | 289 | 15.4734 | 138 | -0.04 | 50 |
IV.OFFI.HHZ. | 2020-10-23T03:12:04.79 | 0.1 | negative | manual | P | 58 | 17.1717 | 135 | 0.03 | 100 |
IV.MTRA.HNZ. | 2020-10-23T03:12:04.33 | 0.1 | undecidable | manual | P | 220 | 13.9749 | 141 | -0.1 | 99 |
IV.MF5.EHZ. | 2020-10-23T03:12:04.48 | 0.6 | positive | manual | P | 346 | 15.4734 | 138 | -0.1 | 49 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MF5.EHE. | ML:0.5 | 0.000021937335000000003 | 0.2592 | AML | other | m | 2020-10-23T03:12:07.98 |
IV.MF5.EHN. | ML:0.9 | 0.000047902781000000006 | 0.28 | AML | other | m | 2020-10-23T03:12:07.88 |
IV.OFFI.HHE. | ML:0.8 | 0.000033333495 | 0.24 | AML | other | m | 2020-10-23T03:12:09.22 |
IV.OFFI.HHN. | ML:0.9 | 0.00005174525 | 0.2608 | AML | other | m | 2020-10-23T03:12:09.26 |
IV.MNTT.EHE. | ML:0.9 | 0.0000382286015 | 0.2016 | AML | other | m | 2020-10-23T03:12:10.66 |
IV.MNTT.EHN. | ML:1.2 | 0.00008180612 | 0.36 | AML | other | m | 2020-10-23T03:12:10.52 |
IV.TERO.HHE. | ML:0.9 | 0.000035172075 | 0.08 | AML | other | m | 2020-10-23T03:12:10.47 |
IV.TERO.HHN. | ML:0.8 | 0.0000287971 | 0.08 | AML | other | m | 2020-10-23T03:12:10.55 |
IV.NRCA.HHE. | ML:1.2 | 0.000064347875 | 0.08 | AML | other | m | 2020-10-23T03:12:12.74 |
IV.NRCA.HHN. | ML:1.3 | 0.00006968204 | 0.08 | AML | other | m | 2020-10-23T03:12:12.59 |
IV.FDMO.HHE. | ML:0.5 | 0.000009783253999999999 | 0.2 | AML | other | m | 2020-10-23T03:12:14.03 |
IV.FDMO.HHN. | ML:0.5 | 0.000008678459999999999 | 0.1008 | AML | other | m | 2020-10-23T03:12:14.03 |