A magnitude ML 1.3 earthquake occured in region: 3 km SW Grottammare (AP), on
and geographic coordinates (lat, lon) 42.9710, 13.8500 at 24 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 |
---|---|---|---|---|
Grottammare | AP | 3 | 16006 | 16006 |
Acquaviva Picena | AP | 4 | 3831 | 19837 |
San Benedetto del Tronto | AP | 4 | 47303 | 67140 |
Monteprandone | AP | 6 | 12655 | 79795 |
Cupra Marittima | AP | 6 | 5398 | 85193 |
Ripatransone | AP | 8 | 4309 | 89502 |
Monsampolo del Tronto | AP | 9 | 4611 | 94113 |
Massignano | AP | 10 | 1638 | 95751 |
Martinsicuro | TE | 11 | 16033 | 111784 |
Spinetoli | AP | 11 | 7215 | 118999 |
Colonnella | TE | 11 | 3734 | 122733 |
Montefiore dell'Aso | AP | 12 | 2123 | 124856 |
Campofilone | FM | 13 | 1916 | 126772 |
Castorano | AP | 13 | 2380 | 129152 |
Controguerra | TE | 13 | 2436 | 131588 |
Colli del Tronto | AP | 13 | 3668 | 135256 |
Cossignano | AP | 13 | 978 | 136234 |
Offida | AP | 13 | 5058 | 141292 |
Pedaso | FM | 14 | 2800 | 144092 |
Carassai | AP | 15 | 1100 | 145192 |
Corropoli | TE | 16 | 5045 | 150237 |
Castel di Lama | AP | 16 | 8634 | 158871 |
Altidona | FM | 16 | 3390 | 162261 |
Moresco | FM | 16 | 598 | 162859 |
Alba Adriatica | TE | 16 | 12353 | 175212 |
Appignano del Tronto | AP | 17 | 1785 | 176997 |
Monterubbiano | FM | 17 | 2230 | 179227 |
Lapedona | FM | 17 | 1166 | 180393 |
Nereto | TE | 17 | 5242 | 185635 |
Ancarano | TE | 17 | 1857 | 187492 |
Torano Nuovo | TE | 17 | 1611 | 189103 |
Castignano | AP | 19 | 2796 | 191899 |
Petritoli | FM | 19 | 2335 | 194234 |
Tortoreto | TE | 19 | 11542 | 205776 |
Sant'Egidio alla Vibrata | TE | 19 | 9811 | 215587 |
Monte Vidon Combatte | FM | 20 | 433 | 216020 |
Montalto delle Marche | AP | 20 | 2122 | 218142 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.3 | 2021-08-19 02:50:06 |
42.9707 | 13.8498 | 24 | 2021-12-29 11:12:21 |
Bollettino Sismico Italiano INGV | 94418361 |
Field | Value |
---|---|
Time (UTC) | 2021-08-19 02:50:06 ± 0.22 |
Latitude | 42.9707 ± 0.0081 |
Longitude | 13.8498 ± 0.0147 |
Depth (km) | 24 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 94418361 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1043 |
Semi-minor axis of confidence ellipse (meter) | 596 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 269 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1040.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 271 |
Number of associated phases, regardless of their use for origin computation | 22 |
Number of defining phases | 22 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.24 |
Epicentral distance of station closest to the epicenter (degree) | 0.12501 |
Epicentral distance of station farthest from the epicenter (degree) | 0.65740 |
Number of stations at which the event was observed | 11 |
Number of stations from which data was used for origin computation | 11 |
Field | Value |
---|---|
Value | 1.3 |
Uncertainty | 0.3 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 94418361 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-08-20 13:07:49 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MML1.EHZ. | 2021-08-19T02:50:28.87 | 0.6 | undecidable | manual | S | 283 | 72.9714 | 102 | 0.28 | 43 |
IV.NRCA.HHZ. | 2021-08-19T02:50:25.54 | 0.6 | undecidable | manual | S | 256 | 61.6938 | 104 | -0.12 | 46 |
IV.MC2.EHZ. | 2021-08-19T02:50:23.70 | 0.6 | undecidable | manual | S | 263 | 54.1014 | 107 | 0 | 48 |
IV.CSP1.EHZ. | 2021-08-19T02:50:23.54 | 0.6 | undecidable | manual | S | 285 | 54.0015 | 107 | -0.14 | 47 |
IV.TERO.HHZ. | 2021-08-19T02:50:21.73 | 0.6 | undecidable | manual | S | 207 | 43.5231 | 111 | 0.71 | 42 |
IV.SAP2.EHE. | 2021-08-19T02:50:20.37 | 0.6 | undecidable | manual | S | 291 | 39.1275 | 114 | 0.42 | 45 |
IV.MMO1.EHZ. | 2021-08-19T02:50:20.45 | 0.6 | undecidable | manual | S | 260 | 43.2234 | 111 | -0.51 | 44 |
IV.MTRA.EHE. | 2021-08-19T02:50:20.67 | 0.6 | undecidable | manual | S | 237 | 43.8228 | 111 | -0.44 | 44 |
IV.MML1.EHZ. | 2021-08-19T02:50:19.09 | 0.1 | undecidable | manual | P | 283 | 72.9714 | 102 | -0.09 | 92 |
IV.MF5.EHZ. | 2021-08-19T02:50:18.32 | 0.6 | undecidable | manual | S | 274 | 31.746 | 120 | 0.13 | 48 |
IV.NRCA.HHZ. | 2021-08-19T02:50:17.21 | 0.1 | undecidable | manual | P | 256 | 61.6938 | 104 | -0.27 | 89 |
IV.CSP1.EHZ. | 2021-08-19T02:50:16.34 | 0.3 | undecidable | manual | P | 285 | 54.0015 | 107 | 0 | 72 |
IV.MC2.EHZ. | 2021-08-19T02:50:16.20 | 0.1 | undecidable | manual | P | 263 | 54.1014 | 107 | -0.15 | 93 |
IV.MNTT.EHZ. | 2021-08-19T02:50:16.63 | 0.6 | undecidable | manual | S | 296 | 22.9548 | 130 | 0.36 | 47 |
IV.TERO.HHZ. | 2021-08-19T02:50:15.23 | 0.3 | undecidable | manual | P | 207 | 43.5231 | 111 | 0.42 | 68 |
IV.MTRA.EHE. | 2021-08-19T02:50:14.69 | 0.3 | undecidable | manual | P | 237 | 43.8228 | 111 | -0.17 | 71 |
IV.SAP2.EHE. | 2021-08-19T02:50:14.55 | 0.3 | undecidable | manual | P | 291 | 39.1275 | 114 | 0.36 | 68 |
IV.OFFI.HHZ. | 2021-08-19T02:50:14.26 | 0.6 | undecidable | manual | S | 254 | 13.875 | 146 | -0.37 | 48 |
IV.MMO1.EHZ. | 2021-08-19T02:50:14.61 | 0.1 | undecidable | manual | P | 260 | 43.2234 | 111 | -0.16 | 95 |
IV.MF5.EHZ. | 2021-08-19T02:50:13.35 | 0.1 | undecidable | manual | P | 274 | 31.746 | 120 | 0.18 | 96 |
IV.MNTT.EHZ. | 2021-08-19T02:50:12.07 | 0.3 | undecidable | manual | P | 296 | 22.9548 | 130 | 0.01 | 76 |
IV.OFFI.HHZ. | 2021-08-19T02:50:10.97 | 0.1 | undecidable | manual | P | 254 | 13.875 | 146 | -0.15 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MNTT.EHN. | ML:1.6 | 0.000199722925 | 0.1808 | AML | other | m | 2021-08-19T02:50:20.19 |
IV.TERO.HHN. | ML:1.3 | 0.00005253550999999999 | 0.16 | AML | other | m | 2021-08-19T02:50:21.85 |
IV.NRCA.HHE. | ML:1.0 | 0.000021770785 | 0.12 | AML | other | m | 2021-08-19T02:50:26.10 |
IV.NRCA.HHN. | ML:1.1 | 0.00002748428 | 0.1408 | AML | other | m | 2021-08-19T02:50:25.82 |