A magnitude ML 1.0 earthquake occured in region: 8 km W Montegallo (AP), on
and geographic coordinates (lat, lon) 42.8540, 13.2430 at 15 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 |
---|---|---|---|---|
Montegallo | AP | 8 | 523 | 523 |
Montemonaco | AP | 9 | 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 | 15 | 1107 | 10272 |
Bolognola | MC | 16 | 142 | 10414 |
Acquasanta Terme | AP | 17 | 2916 | 13330 |
Preci | PG | 17 | 724 | 14054 |
Amandola | FM | 17 | 3629 | 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 |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.0 | 2021-10-20 01:23:52 |
42.8538 | 13.243 | 15 | 2021-10-20 01:41:33 |
Sala Sismica INGV-Roma | 96779081 |
Field | Value |
---|---|
Time (UTC) | 2021-10-20 01:23:52 ± 0.07 |
Latitude | 42.8538 ± 0.0027 |
Longitude | 13.2430 ± 0.0049 |
Depth (km) | 15 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 96779081 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 366 |
Semi-minor axis of confidence ellipse (meter) | 92 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 256 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 370.0 |
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 | 43 |
Number of defining phases | 43 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.25 |
Epicentral distance of station closest to the epicenter (degree) | 0.07015 |
Epicentral distance of station farthest from the epicenter (degree) | 0.52251 |
Number of stations at which the event was observed | 23 |
Number of stations from which data was used for origin computation | 23 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.3 |
Num. used stations | 27 |
Type of magnitude | ML |
Reference to an origin | 96779081 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-10-20 01:41:33 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.SNTG.HNE. | 2021-10-20T01:24:09.46 | 0.1 | undecidable | manual | S | 331 | 50.8158 | 95 | 0.72 | 76 |
IV.GIGS.HHN. | 2021-10-20T01:24:08.80 | 0.1 | undecidable | manual | S | 149 | 52.0035 | 95 | -0.25 | 89 |
IV.TERO.HHZ. | 2021-10-20T01:24:05.74 | 0.3 | undecidable | manual | S | 131 | 39.0276 | 98 | 0.13 | 69 |
IV.CAMP.HHZ. | 2021-10-20T01:24:05.40 | 0.3 | undecidable | manual | S | 159 | 37.8288 | 98 | 0.11 | 70 |
IV.RM33.EHZ. | 2021-10-20T01:24:05.76 | 0.3 | undecidable | manual | S | 183 | 38.3283 | 98 | 0.33 | 67 |
IV.LNSS.HHZ. | 2021-10-20T01:24:04.18 | 1.0 | undecidable | manual | S | 211 | 32.3454 | 100 | 0.32 | 23 |
IV.MML1.EHZ. | 2021-10-20T01:24:04.85 | 0.3 | undecidable | manual | S | 323 | 36.2415 | 99 | -0.03 | 71 |
IV.GAVE.EHZ. | 2021-10-20T01:24:04.59 | 0.3 | undecidable | manual | S | 238 | 33.5442 | 100 | 0.41 | 66 |
IV.CESI.HHZ. | 2021-10-20T01:24:03.86 | 0.3 | undecidable | manual | S | 301 | 32.1456 | 100 | 0.05 | 72 |
IV.CING.HHZ. | 2021-10-20T01:24:02.81 | 0.1 | undecidable | manual | P | 356 | 57.9975 | 95 | -0.24 | 88 |
IV.T1299.HNZ. | 2021-10-20T01:24:02.17 | 0.1 | undecidable | manual | S | 173 | 24.5532 | 106 | 0.34 | 91 |
IV.GUMA.HHZ. | 2021-10-20T01:24:02.10 | 0.1 | undecidable | manual | S | 18 | 24.3534 | 106 | 0.33 | 91 |
IV.CSP1.EHZ. | 2021-10-20T01:24:02.16 | 0.1 | undecidable | manual | S | 353 | 26.5512 | 104 | -0.19 | 94 |
IT.MTCL.HGZ. | 2021-10-20T01:24:01.72 | 0.3 | undecidable | manual | S | 308 | 25.1526 | 105 | -0.26 | 69 |
IV.MF5.EHZ. | 2021-10-20T01:24:01.81 | 0.1 | undecidable | manual | S | 50 | 23.0547 | 108 | 0.37 | 91 |
IV.SMA1.EHZ. | 2021-10-20T01:24:01.94 | 0.3 | undecidable | manual | S | 163 | 25.8519 | 105 | -0.23 | 70 |
IV.SNTG.HNE. | 2021-10-20T01:24:01.78 | 0.1 | undecidable | manual | P | 331 | 50.8158 | 95 | -0.17 | 90 |
IV.FDMO.HHZ. | 2021-10-20T01:24:01.39 | 0.1 | undecidable | manual | S | 328 | 23.8539 | 107 | -0.26 | 92 |
IV.GIGS.HHN. | 2021-10-20T01:24:01.69 | 0.3 | undecidable | manual | P | 149 | 52.0035 | 95 | -0.44 | 64 |
IV.OFFI.HHZ. | 2021-10-20T01:24:00.47 | 0.1 | undecidable | manual | P | 76 | 37.1295 | 98 | 0.62 | 81 |
IV.TERO.HHZ. | 2021-10-20T01:24:00.11 | 0.1 | undecidable | manual | P | 131 | 39.0276 | 98 | -0.03 | 95 |
IV.MNTT.EHZ. | 2021-10-20T01:24:00.29 | 0.3 | undecidable | manual | P | 51 | 36.741 | 99 | 0.49 | 64 |
IV.GAVE.EHZ. | 2021-10-20T01:23:59.47 | 0.3 | undecidable | manual | P | 238 | 33.5442 | 100 | 0.15 | 70 |
IV.CAMP.HHZ. | 2021-10-20T01:23:59.66 | 0.1 | undecidable | manual | P | 159 | 37.8288 | 98 | -0.3 | 90 |
IV.CESI.HHZ. | 2021-10-20T01:23:59.00 | 0.1 | undecidable | manual | P | 301 | 32.1456 | 100 | -0.1 | 95 |
IV.RM33.EHZ. | 2021-10-20T01:23:59.92 | 0.1 | undecidable | manual | P | 183 | 38.3283 | 98 | -0.12 | 93 |
IV.LNSS.HHZ. | 2021-10-20T01:23:59.12 | 0.1 | undecidable | manual | P | 211 | 32.3454 | 100 | -0.01 | 96 |
IV.MTRA.HNZ. | 2021-10-20T01:23:59.57 | 0.1 | undecidable | manual | S | 131 | 16.4724 | 119 | -0.27 | 93 |
IV.MML1.EHZ. | 2021-10-20T01:23:59.48 | 0.1 | undecidable | manual | P | 323 | 36.2415 | 99 | -0.24 | 91 |
IV.SMA1.EHZ. | 2021-10-20T01:23:58.03 | 0.1 | undecidable | manual | P | 163 | 25.8519 | 105 | -0.13 | 95 |
IV.CSP1.EHZ. | 2021-10-20T01:23:58.03 | 0.1 | undecidable | manual | P | 353 | 26.5512 | 104 | -0.23 | 93 |
IV.MC2.EHZ. | 2021-10-20T01:23:58.32 | 0.3 | undecidable | manual | S | 326 | 7.7811 | 146 | 0.23 | 73 |
IV.NRCA.HHZ. | 2021-10-20T01:23:58.57 | 0.1 | undecidable | manual | S | 258 | 10.6782 | 135 | -0.03 | 98 |
IV.T1299.HNZ. | 2021-10-20T01:23:58.01 | 0.1 | undecidable | manual | P | 173 | 24.5532 | 106 | 0.05 | 97 |
IV.MMO1.EHZ. | 2021-10-20T01:23:57.86 | 0.1 | undecidable | manual | S | 53 | 8.4804 | 143 | -0.35 | 92 |
IV.FDMO.HHZ. | 2021-10-20T01:23:57.61 | 0.1 | undecidable | manual | P | 328 | 23.8539 | 107 | -0.25 | 93 |
IT.MTCL.HGZ. | 2021-10-20T01:23:57.86 | 0.1 | undecidable | manual | P | 308 | 25.1526 | 105 | -0.19 | 94 |
IV.MF5.EHZ. | 2021-10-20T01:23:57.88 | 0.1 | undecidable | manual | P | 50 | 23.0547 | 108 | 0.14 | 95 |
IV.GUMA.HHZ. | 2021-10-20T01:23:57.98 | 0.1 | positive | manual | P | 18 | 24.3534 | 106 | 0.05 | 96 |
IV.NRCA.HHZ. | 2021-10-20T01:23:56.13 | 0.1 | undecidable | manual | P | 258 | 10.6782 | 135 | 0.04 | 100 |
IV.MTRA.HNZ. | 2021-10-20T01:23:56.64 | 0.3 | undecidable | manual | P | 131 | 16.4724 | 119 | -0.17 | 72 |
IV.MMO1.EHZ. | 2021-10-20T01:23:55.70 | 0.1 | undecidable | manual | P | 53 | 8.4804 | 143 | -0.17 | 97 |
IV.MC2.EHZ. | 2021-10-20T01:23:55.92 | 0.1 | undecidable | manual | P | 326 | 7.7811 | 146 | 0.12 | 99 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHE. | ML:1.5 | 0.00028975695 | 0.06 | AML | other | m | 2021-10-20T01:23:58.74 |
IV.NRCA.HHN. | ML:1.6 | 0.00033301095 | 0.1 | AML | other | m | 2021-10-20T01:23:59.22 |
IV.FDMO.HHN. | ML:1.2 | 0.00010015000000000001 | 0.22 | AML | other | m | 2021-10-20T01:24:01.58 |
IV.FDMO.HHE. | ML:0.8 | 0.00003426228 | 0.1 | AML | other | m | 2021-10-20T01:24:01.61 |
IV.SMA1.EHN. | ML:0.8 | 0.00003486458 | 0.1 | AML | other | m | 2021-10-20T01:24:02.60 |
IV.GUMA.HHE. | ML:1.3 | 0.00010870306 | 0.2 | AML | other | m | 2021-10-20T01:24:02.35 |
IV.SMA1.EHE. | ML:0.9 | 0.00004055 | 0.08 | AML | other | m | 2021-10-20T01:24:02.71 |
IV.LNSS.HHE. | ML:0.9 | 0.000034200000000000005 | 1.88 | AML | other | m | 2021-10-20T01:24:04.99 |
IV.GUMA.HHN. | ML:1.2 | 0.0000904 | 1.46 | AML | other | m | 2021-10-20T01:24:05.12 |
IV.GAVE.EHN. | ML:1.1 | 0.00005165 | 0.26 | AML | other | m | 2021-10-20T01:24:05.19 |
IV.MML1.EHE. | ML:0.6 | 0.0000167641665 | 0.1 | AML | other | m | 2021-10-20T01:24:05.52 |
IV.MML1.EHN. | ML:0.7 | 0.000019248938 | 0.14 | AML | other | m | 2021-10-20T01:24:05.10 |
IV.LNSS.HHN. | ML:0.9 | 0.000037250044999999994 | 0.14 | AML | other | m | 2021-10-20T01:24:04.81 |
IV.GAVE.EHE. | ML:0.9 | 0.000035249999999999996 | 1.42 | AML | other | m | 2021-10-20T01:24:06.00 |
IV.RM33.EHN. | ML:1.2 | 0.000047600000000000005 | 1.76 | AML | other | m | 2021-10-20T01:24:06.11 |
IV.RM33.EHE. | ML:0.9 | 0.00003225 | 0.12 | AML | other | m | 2021-10-20T01:24:06.36 |
IV.MNTT.EHE. | ML:0.0 | 0.0001604291 | 0.1 | AML | other | m | 2021-10-20T01:24:08.24 |
IV.MNTT.EHN. | ML:0.0 | 0.00007874049999999999 | 0.24 | AML | other | m | 2021-10-20T01:24:08.37 |
IV.NRCA.HNE. | ML:1.5 | 0.0003140853 | 0.1504 | AML | other | m | 2021-10-20T01:23:58.67 |
IV.NRCA.HNN. | ML:1.5 | 0.00029682220000000004 | 0.08 | AML | other | m | 2021-10-20T01:23:59.21 |
IV.MF5.EHE. | ML:0.8 | 0.0000387463855 | 0.18 | AML | other | m | 2021-10-20T01:24:02.35 |
IV.MF5.EHN. | ML:0.9 | 0.000046962165 | 0.18 | AML | other | m | 2021-10-20T01:24:02.26 |
IV.CESI.HHE. | ML:0.9 | 0.000028733285 | 0.18 | AML | other | m | 2021-10-20T01:24:04.95 |
IV.CESI.HHN. | ML:0.9 | 0.000028717885 | 0.16 | AML | other | m | 2021-10-20T01:24:04.32 |
IV.TERO.HHN. | ML:1.0 | 0.000034283734999999994 | 0.08 | AML | other | m | 2021-10-20T01:24:06.56 |
IV.CING.HHE. | ML:0.7 | 0.0000102969984 | 0.12 | AML | other | m | 2021-10-20T01:24:12.98 |
IV.CING.HHN. | ML:0.7 | 0.000008791627999999999 | 0.12 | AML | other | m | 2021-10-20T01:24:13.34 |