A magnitude ML 1.4 earthquake occured in region: 2 km NE Norcia (PG), on
and geographic coordinates (lat, lon) 42.8030, 13.1150 at 10 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 |
---|---|---|---|---|
Norcia | PG | 2 | 4957 | 4957 |
Preci | PG | 11 | 724 | 5681 |
Castelsantangelo sul Nera | MC | 11 | 281 | 5962 |
Cascia | PG | 13 | 3217 | 9179 |
Visso | MC | 14 | 1107 | 10286 |
Arquata del Tronto | AP | 15 | 1178 | 11464 |
Ussita | MC | 16 | 444 | 11908 |
Accumoli | RI | 16 | 667 | 12575 |
Cerreto di Spoleto | PG | 16 | 1075 | 13650 |
Poggiodomo | PG | 18 | 117 | 13767 |
Sellano | PG | 18 | 1079 | 14846 |
Montegallo | AP | 18 | 523 | 15369 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.4 | 2021-08-08 21:57:01 |
42.8032 | 13.1152 | 10 | 2021-08-08 22:03:13 |
Sala Sismica INGV-Roma | 93860861 |
Field | Value |
---|---|
Time (UTC) | 2021-08-08 21:57:01 ± 0.06 |
Latitude | 42.8032 ± 0.0036 |
Longitude | 13.1152 ± 0.0049 |
Depth (km) | 10 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 93860861 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 369 |
Semi-minor axis of confidence ellipse (meter) | 329 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 115 |
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) | 49 |
Number of associated phases, regardless of their use for origin computation | 39 |
Number of defining phases | 39 |
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) | 0.03058 |
Epicentral distance of station farthest from the epicenter (degree) | 0.57467 |
Number of stations at which the event was observed | 20 |
Number of stations from which data was used for origin computation | 20 |
Field | Value |
---|---|
Value | 1.4 |
Uncertainty | 0.3 |
Num. used stations | 34 |
Type of magnitude | ML |
Reference to an origin | 93860861 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-08-08 22:03:13 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CING.HHZ. | 2021-08-08T21:57:21.81 | 0.6 | undecidable | manual | S | 6 | 63.7917 | 50 | 0.37 | 43 |
IV.ATCC.EHZ. | 2021-08-08T21:57:20.53 | 0.6 | undecidable | manual | S | 318 | 57.2982 | 50 | 0.84 | 37 |
IV.CESX.HHZ. | 2021-08-08T21:57:17.32 | 0.3 | undecidable | manual | S | 244 | 48.2184 | 50 | 0.06 | 71 |
IV.TERO.HHZ. | 2021-08-08T21:57:16.04 | 0.6 | undecidable | manual | S | 117 | 44.622 | 50 | -0.26 | 45 |
IV.ASSB.HHZ. | 2021-08-08T21:57:16.49 | 0.6 | undecidable | manual | S | 306 | 45.621 | 50 | -0.09 | 47 |
IV.MOMA.HHZ. | 2021-08-08T21:57:16.62 | 0.6 | undecidable | manual | S | 270 | 44.3223 | 50 | 0.37 | 44 |
IV.ARRO.EHZ. | 2021-08-08T21:57:14.95 | 0.6 | undecidable | manual | S | 229 | 37.8288 | 50 | 0.46 | 44 |
IV.MF5.EHZ. | 2021-08-08T21:57:14.54 | 0.3 | undecidable | manual | S | 54 | 34.6431 | 50 | 0.88 | 56 |
IV.RM33.EHZ. | 2021-08-08T21:57:13.28 | 0.6 | undecidable | manual | S | 166 | 33.6441 | 50 | -0.09 | 48 |
IV.MML1.EHZ. | 2021-08-08T21:57:13.81 | 0.6 | undecidable | manual | S | 341 | 36.3414 | 50 | -0.29 | 46 |
IV.CSP1.EHZ. | 2021-08-08T21:57:12.85 | 0.6 | undecidable | manual | S | 13 | 32.8449 | 50 | -0.32 | 46 |
IV.ATCC.EHZ. | 2021-08-08T21:57:12.23 | 1.0 | positive | manual | P | 318 | 57.2982 | 50 | 0.13 | 23 |
IV.CING.HHZ. | 2021-08-08T21:57:12.75 | 0.1 | undecidable | manual | P | 6 | 63.7917 | 50 | -0.36 | 86 |
IV.SMA1.EHZ. | 2021-08-08T21:57:11.24 | 0.6 | undecidable | manual | S | 137 | 26.2515 | 50 | -0.16 | 48 |
IV.MNTT.EHZ. | 2021-08-08T21:57:11.65 | 0.6 | positive | manual | P | 53 | 48.4182 | 50 | 0.91 | 36 |
IV.CESI.HHZ. | 2021-08-08T21:57:11.50 | 0.6 | undecidable | manual | S | 323 | 28.1496 | 50 | -0.42 | 45 |
IV.LNSS.HHZ. | 2021-08-08T21:57:10.27 | 0.6 | undecidable | manual | S | 195 | 23.0547 | 114 | -0.18 | 48 |
IV.MOMA.HHZ. | 2021-08-08T21:57:10.55 | 0.3 | positive | manual | P | 270 | 44.3223 | 50 | 0.44 | 66 |
IV.MTRA.EHZ. | 2021-08-08T21:57:10.52 | 0.6 | undecidable | manual | S | 103 | 23.4543 | 113 | -0.07 | 49 |
IV.CESX.HHZ. | 2021-08-08T21:57:10.65 | 1.0 | undecidable | manual | P | 244 | 48.2184 | 50 | -0.05 | 24 |
IV.TERO.HHZ. | 2021-08-08T21:57:10.23 | 0.6 | undecidable | manual | P | 117 | 44.622 | 50 | 0.09 | 47 |
IV.FDMO.HHZ. | 2021-08-08T21:57:10.81 | 0.3 | undecidable | manual | S | 355 | 25.9518 | 50 | -0.52 | 66 |
IV.ASSB.HHZ. | 2021-08-08T21:57:10.49 | 0.6 | undecidable | manual | P | 306 | 45.621 | 50 | 0.19 | 46 |
IV.ARRO.EHZ. | 2021-08-08T21:57:09.47 | 1.0 | positive | manual | P | 229 | 37.8288 | 50 | 0.37 | 22 |
IV.GAVE.EHZ. | 2021-08-08T21:57:09.99 | 0.6 | undecidable | manual | S | 236 | 21.7671 | 115 | -0.07 | 49 |
IV.MF5.EHZ. | 2021-08-08T21:57:08.83 | 0.6 | positive | manual | P | 54 | 34.6431 | 50 | 0.21 | 47 |
IV.CSP1.EHZ. | 2021-08-08T21:57:08.14 | 0.1 | undecidable | manual | P | 13 | 32.8449 | 50 | -0.19 | 94 |
IV.RM33.EHZ. | 2021-08-08T21:57:08.32 | 0.6 | undecidable | manual | P | 166 | 33.6441 | 50 | -0.13 | 48 |
IV.MML1.EHZ. | 2021-08-08T21:57:08.66 | 0.6 | positive | manual | P | 341 | 36.3414 | 50 | -0.22 | 47 |
IV.CESI.HHZ. | 2021-08-08T21:57:07.36 | 0.1 | undecidable | manual | P | 323 | 28.1496 | 50 | -0.25 | 94 |
IV.MC2.EHZ. | 2021-08-08T21:57:07.91 | 0.3 | undecidable | manual | S | 27 | 13.3755 | 127 | 0.35 | 71 |
IV.SMA1.EHZ. | 2021-08-08T21:57:07.24 | 0.6 | negative | manual | P | 137 | 26.2515 | 50 | -0.07 | 49 |
IV.FDMO.HHZ. | 2021-08-08T21:57:06.96 | 0.1 | undecidable | manual | P | 355 | 25.9518 | 50 | -0.31 | 93 |
IV.LNSS.HHZ. | 2021-08-08T21:57:06.67 | 0.1 | undecidable | manual | P | 195 | 23.0547 | 114 | -0.09 | 98 |
IV.MTRA.EHZ. | 2021-08-08T21:57:06.70 | 0.1 | undecidable | manual | P | 103 | 23.4543 | 113 | -0.14 | 97 |
IV.GAVE.EHZ. | 2021-08-08T21:57:06.54 | 0.3 | positive | manual | P | 236 | 21.7671 | 115 | 0 | 75 |
IV.NRCA.HNZ. | 2021-08-08T21:57:05.22 | 0.6 | undecidable | manual | S | 359 | 3.3966 | 162 | -0.2 | 49 |
IV.MC2.EHZ. | 2021-08-08T21:57:05.24 | 0.1 | undecidable | manual | P | 27 | 13.3755 | 127 | 0.15 | 98 |
IV.NRCA.HNZ. | 2021-08-08T21:57:04.00 | 0.1 | undecidable | manual | P | 359 | 3.3966 | 162 | 0.14 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:2.4 | 0.00506 | 0.08 | AML | other | m | 2021-08-08T21:57:05.33 |
IV.NRCA.HNN. | ML:2.4 | 0.004465 | 0.1 | AML | other | m | 2021-08-08T21:57:05.34 |
IV.NRCA.HHE. | ML:2.1 | 0.0020800000000000003 | 0.28 | AML | other | m | 2021-08-08T21:57:05.61 |
IV.NRCA.HNE. | ML:2.0 | 0.001875 | 0.12 | AML | other | m | 2021-08-08T21:57:05.81 |
IV.GAVE.EHN. | ML:1.5 | 0.00023649999999999998 | 0.86 | AML | other | m | 2021-08-08T21:57:10.99 |
IV.FDMO.HHN. | ML:1.5 | 0.000192 | 1 | AML | other | m | 2021-08-08T21:57:11.51 |
IV.FDMO.HHE. | ML:1.4 | 0.00014050000000000003 | 1.64 | AML | other | m | 2021-08-08T21:57:11.05 |
IV.LNSS.HHN. | ML:1.9 | 0.0005340000000000001 | 0.12 | AML | other | m | 2021-08-08T21:57:11.10 |
IV.LNSS.HHE. | ML:1.9 | 0.0004955000000000001 | 0.12 | AML | other | m | 2021-08-08T21:57:11.24 |
IV.MF5.EHN. | ML:1.3 | 0.0000896 | 0.42 | AML | other | m | 2021-08-08T21:57:11.64 |
IV.GAVE.EHE. | ML:1.7 | 0.000359 | 0.26 | AML | other | m | 2021-08-08T21:57:11.73 |
IV.CESI.HHN. | ML:1.4 | 0.000124 | 1.62 | AML | other | m | 2021-08-08T21:57:12.00 |
IV.MTRA.EHN. | ML:1.4 | 0.0001555 | 1.48 | AML | other | m | 2021-08-08T21:57:12.79 |
IV.MTRA.EHE. | ML:1.4 | 0.000143 | 0.92 | AML | other | m | 2021-08-08T21:57:12.91 |
IV.CSP1.EHN. | ML:1.7 | 0.00019800000000000002 | 1.42 | AML | other | m | 2021-08-08T21:57:13.23 |
IV.CESI.HHE. | ML:1.2 | 0.0000729 | 0.64 | AML | other | m | 2021-08-08T21:57:13.44 |
IV.SMA1.EHN. | ML:1.6 | 0.0002265 | 0.54 | AML | other | m | 2021-08-08T21:57:13.17 |
IV.CING.HHE. | ML:1.2 | 0.0000311 | 0.42 | AML | other | m | 2021-08-08T21:57:13.57 |
IV.MML1.EHN. | ML:1.2 | 0.0000526 | 1.52 | AML | other | m | 2021-08-08T21:57:13.08 |
IV.RM33.EHE. | ML:1.4 | 0.0001019 | 1.82 | AML | other | m | 2021-08-08T21:57:13.03 |
IV.RM33.EHN. | ML:1.4 | 0.00009705 | 0.44 | AML | other | m | 2021-08-08T21:57:14.03 |
IV.MML1.EHE. | ML:1.2 | 0.00006434999999999999 | 0.12 | AML | other | m | 2021-08-08T21:57:14.44 |
IV.SMA1.EHE. | ML:1.4 | 0.0001505 | 1.14 | AML | other | m | 2021-08-08T21:57:14.87 |
IV.MF5.EHE. | ML:1.4 | 0.0001003 | 0.48 | AML | other | m | 2021-08-08T21:57:14.88 |
IV.CSP1.EHE. | ML:1.7 | 0.00022649999999999998 | 1.44 | AML | other | m | 2021-08-08T21:57:15.77 |
IV.ARRO.EHN. | ML:1.1 | 0.0000487 | 1.34 | AML | other | m | 2021-08-08T21:57:15.27 |
IV.MOMA.HHN. | ML:1.2 | 0.000050549999999999995 | 1.36 | AML | other | m | 2021-08-08T21:57:17.11 |
IV.ARRO.EHE. | ML:1.1 | 0.0000482 | 0.2 | AML | other | m | 2021-08-08T21:57:17.83 |
IV.MOMA.HHE. | ML:1.3 | 0.0000546 | 1.38 | AML | other | m | 2021-08-08T21:57:17.26 |
IV.ASSB.HHN. | ML:1.1 | 0.00004185 | 0.14 | AML | other | m | 2021-08-08T21:57:18.36 |
IV.CESX.HHE. | ML:1.2 | 0.00004355 | 1.38 | AML | other | m | 2021-08-08T21:57:19.05 |
IV.CESX.HHN. | ML:1.3 | 0.0000506 | 0.32 | AML | other | m | 2021-08-08T21:57:19.19 |
IV.ASSB.HHE. | ML:1.0 | 0.00003235000000000001 | 1.42 | AML | other | m | 2021-08-08T21:57:21.81 |
IV.CING.HHN. | ML:1.2 | 0.000028999999999999997 | 0.42 | AML | other | m | 2021-08-08T21:57:25.94 |