A magnitude ML 0.8 earthquake occured in region: 4 km NE Castorano (AP), on
and geographic coordinates (lat, lon) 42.9280, 13.7560 at 28 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 |
---|---|---|---|---|
Castorano | AP | 4 | 2380 | 2380 |
Monsampolo del Tronto | AP | 4 | 4611 | 6991 |
Spinetoli | AP | 5 | 7215 | 14206 |
Acquaviva Picena | AP | 5 | 3831 | 18037 |
Offida | AP | 5 | 5058 | 23095 |
Colli del Tronto | AP | 6 | 3668 | 26763 |
Monteprandone | AP | 7 | 12655 | 39418 |
Castel di Lama | AP | 7 | 8634 | 48052 |
Appignano del Tronto | AP | 8 | 1785 | 49837 |
Ripatransone | AP | 8 | 4309 | 54146 |
Cossignano | AP | 8 | 978 | 55124 |
Controguerra | TE | 10 | 2436 | 57560 |
Ancarano | TE | 10 | 1857 | 59417 |
San Benedetto del Tronto | AP | 11 | 47303 | 106720 |
Colonnella | TE | 11 | 3734 | 110454 |
Castignano | AP | 11 | 2796 | 113250 |
Grottammare | AP | 11 | 16006 | 129256 |
Torano Nuovo | TE | 12 | 1611 | 130867 |
Sant'Egidio alla Vibrata | TE | 12 | 9811 | 140678 |
Maltignano | AP | 12 | 2401 | 143079 |
Corropoli | TE | 13 | 5045 | 148124 |
Nereto | TE | 13 | 5242 | 153366 |
Carassai | AP | 13 | 1100 | 154466 |
Montefiore dell'Aso | AP | 14 | 2123 | 156589 |
Cupra Marittima | AP | 14 | 5398 | 161987 |
Montalto delle Marche | AP | 14 | 2122 | 164109 |
Martinsicuro | TE | 14 | 16033 | 180142 |
Massignano | AP | 14 | 1638 | 181780 |
Montedinove | AP | 15 | 488 | 182268 |
Folignano | AP | 16 | 9241 | 191509 |
Sant'Omero | TE | 16 | 5243 | 196752 |
Rotella | AP | 16 | 906 | 197658 |
Ortezzano | FM | 17 | 774 | 198432 |
Ascoli Piceno | AP | 17 | 49407 | 247839 |
Monte Vidon Combatte | FM | 17 | 433 | 248272 |
Alba Adriatica | TE | 17 | 12353 | 260625 |
Petritoli | FM | 18 | 2335 | 262960 |
Campofilone | FM | 18 | 1916 | 264876 |
Moresco | FM | 18 | 598 | 265474 |
Monterubbiano | FM | 18 | 2230 | 267704 |
Monte Rinaldo | FM | 18 | 379 | 268083 |
Civitella del Tronto | TE | 19 | 5116 | 273199 |
Tortoreto | TE | 19 | 11542 | 284741 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 0.8 | 2021-08-22 00:13:22 |
42.9282 | 13.7563 | 28 | 2021-12-29 11:12:31 |
Bollettino Sismico Italiano INGV | 95512081 |
Reviewed Rev100 |
ML 0.8 | 2021-08-22 00:13:23 |
42.9823 | 13.779 | 22 | 2021-08-22 01:02:35 |
Sala Sismica INGV-Roma | 94479491 |
Field | Value |
---|---|
Time (UTC) | 2021-08-22 00:13:22 ± 0.18 |
Latitude | 42.9282 ± 0.0108 |
Longitude | 13.7563 ± 0.0086 |
Depth (km) | 28 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 95512081 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1197 |
Semi-minor axis of confidence ellipse (meter) | 495 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 176 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1200.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 300 |
Number of associated phases, regardless of their use for origin computation | 16 |
Number of defining phases | 16 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.16 |
Epicentral distance of station closest to the epicenter (degree) | 0.05216 |
Epicentral distance of station farthest from the epicenter (degree) | 0.50092 |
Number of stations at which the event was observed | 8 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 0.8 |
Uncertainty | 0.1 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 95512081 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-09-16 15:25:46 |
Field | Value |
---|---|
Value | 0.8 |
Uncertainty | 0.1 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 94479491 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-08-22 01:02:35 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.NRCA.HHZ. | 2021-08-22T00:13:40.67 | 0.6 | undecidable | manual | S | 259 | 53.2023 | 112 | 0.28 | 44 |
IV.FDMO.HHZ. | 2021-08-22T00:13:40.83 | 0.6 | undecidable | manual | S | 283 | 55.5999 | 111 | -0.15 | 46 |
IV.CSP1.EHZ. | 2021-08-22T00:13:39.13 | 0.6 | undecidable | manual | S | 292 | 48.3183 | 114 | -0.04 | 48 |
IV.MC2.EHZ. | 2021-08-22T00:13:38.91 | 0.6 | undecidable | manual | S | 268 | 46.1205 | 115 | 0.26 | 45 |
IV.MMO1.EHZ. | 2021-08-22T00:13:35.91 | 0.6 | undecidable | manual | S | 265 | 35.0427 | 123 | -0.15 | 48 |
IV.FDMO.HHZ. | 2021-08-22T00:13:33.17 | 0.1 | undecidable | manual | P | 283 | 55.5999 | 111 | -0.14 | 92 |
IV.MNTT.EHZ. | 2021-08-22T00:13:33.30 | 0.6 | undecidable | manual | S | 319 | 19.7691 | 141 | 0.29 | 47 |
IV.MF5.EHZ. | 2021-08-22T00:13:33.89 | 0.6 | undecidable | manual | S | 285 | 24.9528 | 134 | -0.06 | 49 |
IV.NRCA.HHZ. | 2021-08-22T00:13:33.12 | 0.3 | undecidable | manual | P | 259 | 53.2023 | 112 | 0.15 | 69 |
IV.MC2.EHZ. | 2021-08-22T00:13:32.04 | 0.3 | undecidable | manual | P | 268 | 46.1205 | 115 | 0.08 | 71 |
IV.CSP1.EHZ. | 2021-08-22T00:13:32.20 | 0.1 | negative | manual | P | 292 | 48.3183 | 114 | -0.07 | 94 |
IV.MMO1.EHZ. | 2021-08-22T00:13:30.32 | 0.1 | undecidable | manual | P | 265 | 35.0427 | 123 | -0.15 | 95 |
IV.OFFI.HHE. | 2021-08-22T00:13:30.96 | 0.6 | undecidable | manual | S | 278 | 5.7942 | 167 | -0.38 | 47 |
IV.MF5.EHZ. | 2021-08-22T00:13:29.39 | 0.1 | negative | manual | P | 285 | 24.9528 | 134 | 0.14 | 97 |
IV.MNTT.EHZ. | 2021-08-22T00:13:28.88 | 0.1 | undecidable | manual | P | 319 | 19.7691 | 141 | 0.17 | 97 |
IV.OFFI.HHE. | 2021-08-22T00:13:27.64 | 0.1 | undecidable | manual | P | 278 | 5.7942 | 167 | -0.11 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:0.7 | 0.00001185 | 0.58 | AML | other | m | 2021-08-22T00:13:40.66 |
IV.NRCA.HHE. | ML:0.9 | 0.00001365 | 1.16 | AML | other | m | 2021-08-22T00:13:42.74 |