A magnitude ML 1.6 earthquake occured in region: 2 km NE Norcia (PG), on
and geographic coordinates (lat, lon) 42.8050, 13.1130 at 11 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 |
---|---|---|---|---|
Norcia | PG | 2 | 4957 | 4957 |
Preci | PG | 10 | 724 | 5681 |
Castelsantangelo sul Nera | MC | 11 | 281 | 5962 |
Cascia | PG | 13 | 3217 | 9179 |
Visso | MC | 14 | 1107 | 10286 |
Arquata del Tronto | AP | 16 | 1178 | 11464 |
Ussita | MC | 16 | 444 | 11908 |
Cerreto di Spoleto | PG | 16 | 1075 | 12983 |
Accumoli | RI | 17 | 667 | 13650 |
Sellano | PG | 18 | 1079 | 14729 |
Poggiodomo | PG | 18 | 117 | 14846 |
Montegallo | AP | 19 | 523 | 15369 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.6 | 2021-02-21 21:05:11 |
42.8053 | 13.1127 | 11 | 2021-07-12 16:55:03 |
Bollettino Sismico Italiano INGV | 88374001 |
Reviewed Rev100 |
ML 1.7 | 2021-02-21 21:05:11 |
42.8087 | 13.1165 | 11 | 2021-02-21 21:11:51 |
Sala Sismica INGV-Roma | 87361841 |
Field | Value |
---|---|
Time (UTC) | 2021-02-21 21:05:11 ± 0.06 |
Latitude | 42.8053 ± 0.0027 |
Longitude | 13.1127 ± 0.0049 |
Depth (km) | 11 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 88374001 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 383 |
Semi-minor axis of confidence ellipse (meter) | 113 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 73 |
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) | 88 |
Number of associated phases, regardless of their use for origin computation | 41 |
Number of defining phases | 39 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.22 |
Epicentral distance of station closest to the epicenter (degree) | 0.02788 |
Epicentral distance of station farthest from the epicenter (degree) | 0.48833 |
Number of stations at which the event was observed | 22 |
Number of stations from which data was used for origin computation | 20 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | 0.2 |
Num. used stations | 40 |
Type of magnitude | ML |
Reference to an origin | 88374001 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-03-22 10:47:55 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 0.2 |
Num. used stations | 34 |
Type of magnitude | ML |
Reference to an origin | 87361841 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-02-21 21:11:51 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.GIGS.HHN. | 2021-02-21T21:05:28.20 | 0.6 | undecidable | manual | S | 136 | 54.2013 | 50 | -0.41 | 43 |
IV.MF5.EHZ. | 2021-02-21T21:05:24.30 | 0.6 | undecidable | manual | S | 54 | 34.743 | 50 | 0.88 | 37 |
IV.CAMP.HHZ. | 2021-02-21T21:05:24.10 | 0.6 | undecidable | manual | S | 141 | 38.4282 | 50 | -0.31 | 45 |
IV.RM33.EHZ. | 2021-02-21T21:05:23.20 | 0.6 | undecidable | manual | S | 166 | 33.9438 | 50 | 0 | 48 |
IV.MML1.EHE. | 2021-02-21T21:05:23.80 | 0.3 | undecidable | manual | S | 342 | 36.0417 | 50 | 0.03 | 71 |
IV.GUMA.HHZ. | 2021-02-21T21:05:23.70 | 0.3 | undecidable | manual | S | 32 | 33.744 | 50 | 0.54 | 64 |
IV.CSP1.EHZ. | 2021-02-21T21:05:22.70 | 0.6 | undecidable | manual | S | 13 | 32.6451 | 50 | -0.16 | 47 |
IV.SMA1.EHZ. | 2021-02-21T21:05:21.00 | 0.3 | undecidable | manual | S | 137 | 26.5512 | 50 | -0.24 | 70 |
IV.GIGS.HHN. | 2021-02-21T21:05:21.03 | 0.3 | undecidable | manual | P | 136 | 54.2013 | 50 | -0.42 | 64 |
IV.CESI.HHZ. | 2021-02-21T21:05:21.70 | 0.3 | undecidable | manual | S | 323 | 27.8499 | 50 | 0.12 | 71 |
IV.LNSS.HHZ. | 2021-02-21T21:05:20.60 | 0.3 | undecidable | manual | S | 195 | 23.2545 | 50 | 0.25 | 70 |
IT.MTCL.HGZ. | 2021-02-21T21:05:20.00 | 0.3 | undecidable | manual | S | 336 | 22.8549 | 50 | -0.25 | 70 |
IV.FDMO.HHZ. | 2021-02-21T21:05:20.40 | 0.3 | undecidable | manual | S | 355 | 25.752 | 50 | -0.61 | 63 |
IV.MTRA.EHZ. | 2021-02-21T21:05:20.50 | 0.3 | undecidable | manual | S | 103 | 23.754 | 50 | 0.02 | 73 |
IV.T1299.EHN. | 2021-02-21T21:05:20.70 | 0.3 | undecidable | manual | S | 144 | 23.4543 | 50 | 0.29 | 69 |
IV.GAVE.EHZ. | 2021-02-21T21:05:20.10 | 0.3 | undecidable | manual | S | 235 | 21.7671 | 50 | 0.14 | 72 |
IV.TERO.HHZ. | 2021-02-21T21:05:19.92 | 3.0 | negative | manual | P | 44.9217 | -0.09 | 0 | ||
IV.MMO1.EHZ. | 2021-02-21T21:05:19.40 | 0.3 | undecidable | manual | S | 59 | 20.2686 | 50 | -0.17 | 71 |
IV.SAP2.EHZ. | 2021-02-21T21:05:19.72 | 3.0 | negative | manual | P | 39.8268 | 0.48 | 0 | ||
IV.PF6.EHN. | 2021-02-21T21:05:18.73 | 0.1 | positive | manual | P | 10 | 37.4292 | 50 | -0.15 | 93 |
IV.FEMA.HNZ. | 2021-02-21T21:05:18.80 | 0.6 | undecidable | manual | S | 344 | 18.1707 | 50 | -0.19 | 48 |
IV.RM33.EHZ. | 2021-02-21T21:05:18.22 | 0.1 | positive | manual | P | 166 | 33.9438 | 50 | -0.11 | 94 |
IV.CAMP.HHZ. | 2021-02-21T21:05:18.88 | 0.1 | positive | manual | P | 141 | 38.4282 | 50 | -0.14 | 93 |
IV.MML1.EHE. | 2021-02-21T21:05:18.63 | 0.1 | positive | manual | P | 342 | 36.0417 | 50 | -0.02 | 95 |
IV.MC2.EHZ. | 2021-02-21T21:05:18.00 | 0.3 | undecidable | manual | S | 28 | 13.2756 | 130 | 0.34 | 70 |
IV.CSP1.EHZ. | 2021-02-21T21:05:18.06 | 0.1 | positive | manual | P | 13 | 32.6451 | 50 | -0.07 | 95 |
IV.MF5.EHZ. | 2021-02-21T21:05:18.76 | 0.3 | undecidable | manual | P | 54 | 34.743 | 50 | 0.31 | 68 |
IV.GUMA.HHZ. | 2021-02-21T21:05:18.55 | 0.1 | undecidable | manual | P | 32 | 33.744 | 50 | 0.24 | 92 |
IV.FDMO.HHZ. | 2021-02-21T21:05:17.01 | 0.1 | positive | manual | P | 355 | 25.752 | 50 | -0.06 | 96 |
IV.CESI.HHZ. | 2021-02-21T21:05:17.47 | 0.1 | positive | manual | P | 323 | 27.8499 | 50 | 0.08 | 96 |
IV.SMA1.EHZ. | 2021-02-21T21:05:17.17 | 0.3 | undecidable | manual | P | 137 | 26.5512 | 50 | -0.02 | 73 |
IV.MTRA.EHZ. | 2021-02-21T21:05:16.71 | 0.1 | negative | manual | P | 103 | 23.754 | 50 | -0.05 | 97 |
IV.MMO1.EHZ. | 2021-02-21T21:05:16.08 | 0.1 | positive | manual | P | 59 | 20.2686 | 50 | -0.15 | 95 |
IV.T1299.EHN. | 2021-02-21T21:05:16.88 | 0.1 | positive | manual | P | 144 | 23.4543 | 50 | 0.16 | 95 |
IV.GAVE.EHZ. | 2021-02-21T21:05:16.67 | 0.1 | positive | manual | P | 235 | 21.7671 | 50 | 0.22 | 94 |
IV.LNSS.HHZ. | 2021-02-21T21:05:16.78 | 0.1 | positive | manual | P | 195 | 23.2545 | 50 | 0.1 | 96 |
IT.MTCL.HGZ. | 2021-02-21T21:05:16.58 | 0.1 | positive | manual | P | 336 | 22.8549 | 50 | -0.04 | 97 |
IV.MC2.EHZ. | 2021-02-21T21:05:15.26 | 0.1 | positive | manual | P | 28 | 13.2756 | 130 | 0.13 | 97 |
IV.FEMA.HNZ. | 2021-02-21T21:05:15.94 | 0.1 | positive | manual | P | 344 | 18.1707 | 50 | 0.04 | 98 |
IV.NRCA.HNZ. | 2021-02-21T21:05:15.20 | 0.3 | undecidable | manual | S | 2 | 3.0969 | 164 | -0.44 | 69 |
IV.NRCA.HNZ. | 2021-02-21T21:05:14.03 | 0.1 | positive | manual | P | 2 | 3.0969 | 164 | 0.07 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.FDMO.HHE. | ML:1.7 | 0.00027489334999999997 | 0.2176 | AML | other | m | 2021-02-21T21:05:22.30 |
IV.FDMO.HHN. | ML:1.7 | 0.00030300000000000005 | 0.18 | AML | other | m | 2021-02-21T21:05:21.87 |
IV.MTRA.EHN. | ML:1.7 | 0.0003188901 | 0.2432 | AML | other | m | 2021-02-21T21:05:22.39 |
IV.MTRA.HNN. | ML:1.7 | 0.00030477775000000004 | 0.2304 | AML | other | m | 2021-02-21T21:05:22.39 |
IV.CESI.HHN. | ML:1.9 | 0.00043099999999999996 | 0.26 | AML | other | m | 2021-02-21T21:05:22.14 |
IV.CESI.HHE. | ML:1.7 | 0.000244 | 0.22 | AML | other | m | 2021-02-21T21:05:22.33 |
IV.MTRA.HNE. | ML:1.7 | 0.00028152615000000004 | 0.1536 | AML | other | m | 2021-02-21T21:05:22.39 |
IV.MTRA.EHE. | ML:1.6 | 0.0002521499 | 0.1408 | AML | other | m | 2021-02-21T21:05:22.39 |
IV.SMA1.EHN. | ML:1.9 | 0.00039269645 | 0.4608 | AML | other | m | 2021-02-21T21:05:24.13 |
IV.RM33.EHN. | ML:1.7 | 0.00020931700000000002 | 0.1536 | AML | other | m | 2021-02-21T21:05:24.55 |
IV.CAMP.HHE. | ML:1.4 | 0.0001015 | 0.16 | AML | other | m | 2021-02-21T21:05:24.51 |
IV.MF5.EHE. | ML:1.8 | 0.000275 | 0.2 | AML | other | m | 2021-02-21T21:05:24.77 |
IV.RM33.EHE. | ML:1.6 | 0.0001815 | 0.18 | AML | other | m | 2021-02-21T21:05:24.69 |
IV.SMA1.EHE. | ML:2.0 | 0.0005250000000000001 | 0.5 | AML | other | m | 2021-02-21T21:05:24.88 |
IV.CAMP.HHN. | ML:1.3 | 0.000066811795 | 0.6528 | AML | other | m | 2021-02-21T21:05:31.58 |
IV.TERO.HHN. | ML:1.6 | 0.00012595625 | 0.0768 | AML | other | m | 2021-02-21T21:05:27.41 |
IV.TERO.HHE. | ML:1.5 | 0.00008600589 | 0.0768 | AML | other | m | 2021-02-21T21:05:26.80 |
IV.MOMA.HHN. | ML:1.3 | 0.00006745 | 0.38 | AML | other | m | 2021-02-21T21:05:27.74 |
IV.MF5.EHN. | ML:1.7 | 0.00019389794999999998 | 0.2176 | AML | other | m | 2021-02-21T21:05:25.11 |
IV.MOMA.HHE. | ML:1.4 | 0.00007539999999999999 | 1.18 | AML | other | m | 2021-02-21T21:05:28.83 |
IV.ASSB.HHE. | ML:1.2 | 0.000051011505 | 0.2688 | AML | other | m | 2021-02-21T21:05:29.97 |
IV.ASSB.HHN. | ML:1.4 | 0.0000628 | 0.2 | AML | other | m | 2021-02-21T21:05:30.88 |
IV.EL6.EHN. | ML:1.8 | 0.00014786054999999998 | 0.2048 | AML | other | m | 2021-02-21T21:05:31.55 |
IV.ATCC.EHN. | ML:1.4 | 0.0000488196515 | 0.2048 | AML | other | m | 2021-02-21T21:05:33.30 |
IV.EL6.EHE. | ML:1.9 | 0.0001605 | 0.22 | AML | other | m | 2021-02-21T21:05:33.42 |
IV.ATCC.EHE. | ML:1.4 | 0.00005068085 | 0.2944 | AML | other | m | 2021-02-21T21:05:36.51 |
IV.ARVD.HHE. | ML:1.2 | 0.000021250175 | 0.2048 | AML | other | m | 2021-02-21T21:05:37.98 |
IV.FAGN.HHN. | ML:1.7 | 0.000078655905 | 0.4352 | AML | other | m | 2021-02-21T21:05:37.95 |
IV.ARVD.HHN. | ML:1.2 | 0.0000242 | 0.26 | AML | other | m | 2021-02-21T21:05:38.39 |
IV.FAGN.HHE. | ML:1.8 | 0.0001031 | 0.46 | AML | other | m | 2021-02-21T21:05:39.51 |
IV.CESI.HNE. | ML:1.6 | 0.0002302239 | 0.2048 | AML | other | m | 2021-02-21T21:05:22.34 |
IV.CESI.HNN. | ML:1.9 | 0.00044636895 | 0.2944 | AML | other | m | 2021-02-21T21:05:22.14 |
IV.RM33.HNE. | ML:2.0 | 0.0003896196 | 0.896 | AML | other | m | 2021-02-21T21:05:34.15 |
IV.RM33.HNN. | ML:1.9 | 0.00034910425 | 1.1392 | AML | other | m | 2021-02-21T21:05:34.16 |
IV.TERO.HNN. | ML:1.7 | 0.0001547444 | 0.6144 | AML | other | m | 2021-02-21T21:05:35.24 |
IV.TERO.HNE. | ML:1.6 | 0.000114351675 | 0.6656 | AML | other | m | 2021-02-21T21:05:38.47 |
IV.MOMA.HNN. | ML:1.6 | 0.00011788786 | 0.7808 | AML | other | m | 2021-02-21T21:05:26.56 |
IV.MOMA.HNE. | ML:1.6 | 0.00013298535999999999 | 0.9088 | AML | other | m | 2021-02-21T21:05:41.49 |
IV.T0110.HHE. | ML:1.6 | 0.00004862894 | 0.4864 | AML | other | m | 2021-02-21T21:05:45.00 |
IV.T0110.HHN. | ML:1.5 | 0.000038843409999999995 | 0.3328 | AML | other | m | 2021-02-21T21:05:51.02 |