A magnitude ML 1.6 earthquake occured in region: 7 km W Montegallo (AP), on
and geographic coordinates (lat, lon) 42.8540, 13.2480 at 14 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 |
---|---|---|---|---|
Montegallo | AP | 7 | 523 | 523 |
Montemonaco | AP | 8 | 604 | 1127 |
Castelsantangelo sul Nera | MC | 9 | 281 | 1408 |
Arquata del Tronto | AP | 10 | 1178 | 2586 |
Montefortino | FM | 13 | 1178 | 3764 |
Ussita | MC | 13 | 444 | 4208 |
Norcia | PG | 14 | 4957 | 9165 |
Visso | MC | 16 | 1107 | 10272 |
Bolognola | MC | 16 | 142 | 10414 |
Acquasanta Terme | AP | 16 | 2916 | 13330 |
Amandola | FM | 17 | 3629 | 16959 |
Preci | PG | 17 | 724 | 17683 |
Accumoli | RI | 18 | 667 | 18350 |
Comunanza | AP | 18 | 3166 | 21516 |
Palmiano | AP | 18 | 196 | 21712 |
Roccafluvione | AP | 19 | 2010 | 23722 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.6 | 2021-10-20 01:42:04 |
42.854 | 13.2478 | 14 | 2022-03-30 13:04:26 |
Bollettino Sismico Italiano INGV | 99284871 |
Reviewed Rev100 |
ML 1.6 | 2021-10-20 01:42:04 |
42.8532 | 13.2413 | 13 | 2021-10-20 01:47:40 |
Sala Sismica INGV-Roma | 96779531 |
Field | Value |
---|---|
Time (UTC) | 2021-10-20 01:42:04 ± 0.05 |
Latitude | 42.8540 ± 0.0027 |
Longitude | 13.2478 ± 0.0049 |
Depth (km) | 14 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 99284871 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 381 |
Semi-minor axis of confidence ellipse (meter) | 131 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 252 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 380.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 55 |
Number of associated phases, regardless of their use for origin computation | 53 |
Number of defining phases | 49 |
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) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.73565 |
Number of stations at which the event was observed | 34 |
Number of stations from which data was used for origin computation | 30 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | 0.3 |
Num. used stations | 42 |
Type of magnitude | ML |
Reference to an origin | 99284871 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2022-01-03 15:09:44 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | 0.3 |
Num. used stations | 42 |
Type of magnitude | ML |
Reference to an origin | 96779531 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-10-20 01:47:40 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MOMA.HHZ. | 2021-10-20T01:42:22.48 | 3.0 | undecidable | manual | S | 0.22 | 0 | |||
IV.NARO.HHZ. | 2021-10-20T01:42:21.30 | 3.0 | negative | manual | P | -0.07 | 0 | |||
IV.EL6.EHZ. | 2021-10-20T01:42:21.64 | 0.3 | undecidable | manual | S | 347 | 54.0015 | 95 | 0.61 | 61 |
IV.ASSB.HHZ. | 2021-10-20T01:42:20.97 | 0.3 | undecidable | manual | S | 294 | 52.2033 | 95 | 0.42 | 64 |
IV.GIGS.HHN. | 2021-10-20T01:42:20.21 | 0.3 | undecidable | manual | S | 149 | 51.8037 | 95 | -0.22 | 67 |
IV.T0110.HHZ. | 2021-10-20T01:42:18.08 | 0.6 | undecidable | manual | P | 148 | 81.6516 | 93 | -0.05 | 44 |
IV.TERO.HHZ. | 2021-10-20T01:42:17.03 | 0.3 | undecidable | manual | S | 131 | 38.7279 | 97 | 0.06 | 72 |
IV.RM33.EHZ. | 2021-10-20T01:42:17.22 | 0.3 | undecidable | manual | S | 184 | 38.3283 | 97 | 0.35 | 67 |
IV.MURB.HHZ. | 2021-10-20T01:42:17.26 | 0.6 | undecidable | manual | P | 308 | 74.1702 | 93 | 0.29 | 42 |
IV.VCEL.EHZ. | 2021-10-20T01:42:16.42 | 3.0 | negative | manual | P | -0.32 | 0 | |||
IV.FAGN.HHZ. | 2021-10-20T01:42:16.40 | 3.0 | negative | manual | P | -0.35 | 0 | |||
IV.CAMP.HHE. | 2021-10-20T01:42:16.82 | 0.3 | undecidable | manual | S | 160 | 37.629 | 98 | 0.14 | 70 |
IV.MML1.EHZ. | 2021-10-20T01:42:16.36 | 0.3 | undecidable | manual | S | 322 | 36.4413 | 98 | -0.01 | 72 |
IV.ARVD.HHZ. | 2021-10-20T01:42:16.89 | 0.3 | undecidable | manual | P | 341 | 75.6687 | 93 | -0.31 | 63 |
IV.LNSS.HHZ. | 2021-10-20T01:42:15.67 | 0.3 | undecidable | manual | S | 211 | 32.5452 | 99 | 0.32 | 67 |
IV.FOSV.EHZ. | 2021-10-20T01:42:15.31 | 0.6 | undecidable | manual | P | 321 | 62.7927 | 94 | 0.08 | 45 |
IV.ATCC.EHZ. | 2021-10-20T01:42:15.12 | 0.3 | undecidable | manual | P | 307 | 61.494 | 94 | 0.09 | 68 |
IV.CESI.HHZ. | 2021-10-20T01:42:15.56 | 0.3 | undecidable | manual | S | 301 | 32.5452 | 99 | 0.23 | 69 |
IV.CING.HHZ. | 2021-10-20T01:42:14.24 | 0.3 | undecidable | manual | P | 356 | 57.9975 | 94 | -0.25 | 66 |
IV.GUMA.HHZ. | 2021-10-20T01:42:13.58 | 0.3 | undecidable | manual | S | 17 | 24.2535 | 105 | 0.42 | 68 |
IV.GIGS.HHN. | 2021-10-20T01:42:13.03 | 0.3 | undecidable | manual | P | 149 | 51.8037 | 95 | -0.5 | 63 |
IV.CSP1.EHZ. | 2021-10-20T01:42:13.58 | 0.3 | undecidable | manual | S | 352 | 26.6511 | 103 | -0.2 | 71 |
IV.EL6.EHZ. | 2021-10-20T01:42:13.66 | 0.3 | undecidable | manual | P | 347 | 54.0015 | 95 | -0.22 | 67 |
IV.SNTG.HHE. | 2021-10-20T01:42:13.09 | 0.3 | undecidable | manual | P | 331 | 51.0156 | 95 | -0.32 | 66 |
IV.T1299.HNN. | 2021-10-20T01:42:13.63 | 0.1 | undecidable | manual | S | 173 | 24.5532 | 105 | 0.39 | 91 |
IV.SMA1.EHZ. | 2021-10-20T01:42:13.47 | 0.3 | undecidable | manual | S | 164 | 25.752 | 104 | -0.1 | 72 |
IV.ASSB.HHZ. | 2021-10-20T01:42:13.59 | 0.1 | undecidable | manual | P | 294 | 52.2033 | 95 | -0.01 | 93 |
IV.MF5.EHZ. | 2021-10-20T01:42:13.30 | 0.3 | undecidable | manual | S | 49 | 22.755 | 107 | 0.52 | 68 |
IV.FDMO.HHN. | 2021-10-20T01:42:12.68 | 0.3 | undecidable | manual | S | 327 | 24.0537 | 105 | -0.44 | 68 |
IV.MNTT.EHZ. | 2021-10-20T01:42:11.71 | 0.1 | undecidable | manual | P | 51 | 36.4413 | 98 | 0.52 | 87 |
IV.CAMP.HHE. | 2021-10-20T01:42:11.13 | 0.1 | positive | manual | P | 160 | 37.629 | 98 | -0.24 | 92 |
IV.TERO.HHZ. | 2021-10-20T01:42:11.29 | 0.1 | undecidable | manual | P | 131 | 38.7279 | 97 | -0.24 | 91 |
IV.OFFI.HHZ. | 2021-10-20T01:42:11.90 | 0.3 | undecidable | manual | P | 76 | 36.741 | 98 | 0.68 | 62 |
IV.RM33.EHZ. | 2021-10-20T01:42:11.34 | 0.1 | positive | manual | P | 184 | 38.3283 | 97 | -0.14 | 94 |
IV.CESI.HHZ. | 2021-10-20T01:42:10.44 | 0.1 | positive | manual | P | 301 | 32.5452 | 99 | -0.15 | 95 |
IV.NRCA.HHZ. | 2021-10-20T01:42:10.03 | 0.3 | undecidable | manual | S | 258 | 11.0778 | 133 | -0.02 | 75 |
IV.MML1.EHZ. | 2021-10-20T01:42:10.92 | 0.1 | positive | manual | P | 322 | 36.4413 | 98 | -0.27 | 92 |
IV.LNSS.HHZ. | 2021-10-20T01:42:10.54 | 0.1 | positive | manual | P | 211 | 32.5452 | 99 | -0.06 | 97 |
IV.MTRA.EHZ. | 2021-10-20T01:42:10.99 | 0.1 | undecidable | manual | S | 132 | 16.1727 | 118 | -0.18 | 95 |
IV.GAVE.EHZ. | 2021-10-20T01:42:10.78 | 0.3 | undecidable | manual | P | 238 | 33.9438 | 99 | -0.02 | 72 |
IV.PF6.EHN. | 2021-10-20T01:42:10.09 | 0.3 | undecidable | manual | P | 352 | 31.746 | 100 | -0.39 | 67 |
IV.MMO1.EHZ. | 2021-10-20T01:42:09.36 | 0.3 | undecidable | manual | S | 52 | 8.1807 | 143 | -0.17 | 72 |
IV.MF5.EHZ. | 2021-10-20T01:42:09.31 | 0.3 | negative | manual | P | 49 | 22.755 | 107 | 0.19 | 72 |
IV.MC2.EHZ. | 2021-10-20T01:42:09.76 | 0.1 | undecidable | manual | S | 323 | 7.9809 | 144 | 0.26 | 96 |
IV.FDMO.HHN. | 2021-10-20T01:42:09.04 | 0.1 | positive | manual | P | 327 | 24.0537 | 105 | -0.28 | 93 |
IV.GUMA.HHZ. | 2021-10-20T01:42:09.41 | 0.1 | positive | manual | P | 17 | 24.2535 | 105 | 0.07 | 98 |
IV.CSP1.EHZ. | 2021-10-20T01:42:09.45 | 0.1 | positive | manual | P | 352 | 26.6511 | 103 | -0.25 | 93 |
IV.T1299.HNN. | 2021-10-20T01:42:09.45 | 0.1 | positive | manual | P | 173 | 24.5532 | 105 | 0.06 | 97 |
IV.SMA1.EHZ. | 2021-10-20T01:42:09.45 | 0.1 | positive | manual | P | 164 | 25.752 | 104 | -0.12 | 96 |
IV.MTRA.EHZ. | 2021-10-20T01:42:08.11 | 0.1 | negative | manual | P | 132 | 16.1727 | 118 | -0.08 | 98 |
IV.MMO1.EHZ. | 2021-10-20T01:42:07.10 | 0.1 | undecidable | manual | P | 52 | 8.1807 | 143 | -0.14 | 98 |
IV.MC2.EHZ. | 2021-10-20T01:42:07.30 | 0.1 | undecidable | manual | P | 323 | 7.9809 | 144 | 0.08 | 100 |
IV.NRCA.HHZ. | 2021-10-20T01:42:07.58 | 0.1 | negative | manual | P | 258 | 11.0778 | 133 | 0.04 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHE. | ML:2.0 | 0.001004 | 0.14 | AML | other | m | 2021-10-20T01:42:10.16 |
IV.NRCA.HNE. | ML:2.0 | 0.000923 | 0.14 | AML | other | m | 2021-10-20T01:42:10.16 |
IV.NRCA.HNN. | ML:2.1 | 0.0011899999999999999 | 0.14 | AML | other | m | 2021-10-20T01:42:10.21 |
IV.NRCA.HHN. | ML:2.2 | 0.001375 | 0.86 | AML | other | m | 2021-10-20T01:42:10.21 |
IV.MTRA.EHN. | ML:1.8 | 0.000453 | 0.16 | AML | other | m | 2021-10-20T01:42:11.05 |
IV.MTRA.HNN. | ML:1.8 | 0.00044950000000000003 | 0.16 | AML | other | m | 2021-10-20T01:42:11.05 |
IV.MTRA.HNE. | ML:1.8 | 0.000531 | 0.18 | AML | other | m | 2021-10-20T01:42:11.47 |
IV.MTRA.EHE. | ML:1.8 | 0.000507 | 0.18 | AML | other | m | 2021-10-20T01:42:11.47 |
IV.MF5.EHN. | ML:1.7 | 0.000317 | 0.36 | AML | other | m | 2021-10-20T01:42:13.60 |
IV.GUMA.HNN. | ML:1.8 | 0.000388 | 1.4 | AML | other | m | 2021-10-20T01:42:13.86 |
IV.CSP1.EHN. | ML:1.7 | 0.0002765 | 0.3 | AML | other | m | 2021-10-20T01:42:13.71 |
IV.MF5.EHE. | ML:1.5 | 0.00016849999999999998 | 0.2 | AML | other | m | 2021-10-20T01:42:13.77 |
IV.CSP1.EHE. | ML:1.7 | 0.00027649999999999994 | 1.5 | AML | other | m | 2021-10-20T01:42:13.24 |
IV.GUMA.HHE. | ML:1.9 | 0.0004905 | 1.36 | AML | other | m | 2021-10-20T01:42:14.83 |
IV.SMA1.EHE. | ML:1.4 | 0.0001205 | 1.52 | AML | other | m | 2021-10-20T01:42:14.17 |
IV.SMA1.EHN. | ML:1.5 | 0.0001525 | 1.5 | AML | other | m | 2021-10-20T01:42:14.03 |
IV.CESI.HHN. | ML:1.4 | 0.00009834999999999999 | 0.84 | AML | other | m | 2021-10-20T01:42:15.74 |
IV.LNSS.HHE. | ML:1.6 | 0.000162 | 0.44 | AML | other | m | 2021-10-20T01:42:16.02 |
IV.CESI.HHE. | ML:1.4 | 0.00010175 | 0.18 | AML | other | m | 2021-10-20T01:42:16.37 |
IV.GUMA.HHN. | ML:1.8 | 0.0003835 | 0.54 | AML | other | m | 2021-10-20T01:42:16.55 |
IV.GAVE.EHN. | ML:1.7 | 0.00017749999999999998 | 0.28 | AML | other | m | 2021-10-20T01:42:16.61 |
IV.MML1.EHE. | ML:1.2 | 0.000057650000000000005 | 0.32 | AML | other | m | 2021-10-20T01:42:16.64 |
IV.MML1.EHN. | ML:1.3 | 0.00007975 | 0.34 | AML | other | m | 2021-10-20T01:42:16.70 |
IV.LNSS.HHN. | ML:1.6 | 0.0001515 | 1.14 | AML | other | m | 2021-10-20T01:42:16.71 |
IV.GAVE.EHE. | ML:1.6 | 0.00014450000000000002 | 0.12 | AML | other | m | 2021-10-20T01:42:16.87 |
IV.RM33.EHN. | ML:1.6 | 0.0001245 | 0.26 | AML | other | m | 2021-10-20T01:42:17.40 |
IV.RM33.EHE. | ML:1.4 | 0.00009259999999999999 | 0.14 | AML | other | m | 2021-10-20T01:42:17.71 |
IV.GUMA.HNE. | ML:1.8 | 0.000384 | 1.58 | AML | other | m | 2021-10-20T01:42:17.09 |
IV.MNTT.EHN. | ML:1.9 | 0.00027 | 0.18 | AML | other | m | 2021-10-20T01:42:19.80 |
IV.MNTT.EHE. | ML:2.2 | 0.000578 | 0.1 | AML | other | m | 2021-10-20T01:42:19.67 |
IV.OFFI.HHN. | ML:1.3 | 0.0000789 | 0.56 | AML | other | m | 2021-10-20T01:42:20.33 |
IV.OFFI.HHE. | ML:1.4 | 0.00008325 | 0.44 | AML | other | m | 2021-10-20T01:42:20.42 |
IV.ASSB.HHE. | ML:1.2 | 0.000038400000000000005 | 0.84 | AML | other | m | 2021-10-20T01:42:21.01 |
IV.ASSB.HHN. | ML:1.4 | 0.00006615 | 0.26 | AML | other | m | 2021-10-20T01:42:21.50 |
IV.FOSV.EHN. | ML:1.3 | 0.00004045 | 0.4 | AML | other | m | 2021-10-20T01:42:24.40 |
IV.FOSV.EHE. | ML:0.9 | 0.00001726 | 0.6 | AML | other | m | 2021-10-20T01:42:26.45 |
IV.MURB.HHN. | ML:1.6 | 0.0000569 | 1.72 | AML | other | m | 2021-10-20T01:42:28.88 |
IV.MURB.HHE. | ML:1.7 | 0.00007885 | 0.26 | AML | other | m | 2021-10-20T01:42:29.08 |
IV.FAGN.HHE. | ML:1.5 | 0.0000502 | 0.26 | AML | other | m | 2021-10-20T01:42:29.03 |
IV.FAGN.HHN. | ML:1.4 | 0.000041800000000000006 | 1.4 | AML | other | m | 2021-10-20T01:42:30.20 |
IV.T0110.HHN. | ML:1.4 | 0.000030600000000000005 | 1.34 | AML | other | m | 2021-10-20T01:42:31.08 |
IV.T0110.HHE. | ML:1.3 | 0.000026549999999999998 | 0.86 | AML | other | m | 2021-10-20T01:42:32.94 |