A magnitude ML 1.2 earthquake occured in region: 2 km NE Norcia (PG), on
and geographic coordinates (lat, lon) 42.8090, 13.1020 at 11 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 | 9 | 724 | 5681 |
Castelsantangelo sul Nera | MC | 11 | 281 | 5962 |
Cascia | PG | 12 | 3217 | 9179 |
Visso | MC | 14 | 1107 | 10286 |
Cerreto di Spoleto | PG | 15 | 1075 | 11361 |
Ussita | MC | 15 | 444 | 11805 |
Arquata del Tronto | AP | 16 | 1178 | 12983 |
Sellano | PG | 17 | 1079 | 14062 |
Poggiodomo | PG | 17 | 117 | 14179 |
Accumoli | RI | 17 | 667 | 14846 |
Montegallo | AP | 19 | 523 | 15369 |
Vallo di Nera | PG | 20 | 364 | 15733 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.2 | 2021-11-01 21:01:35 |
42.8088 | 13.1022 | 11 | 2021-11-01 21:11:20 |
Sala Sismica INGV-Roma | 97150411 |
Field | Value |
---|---|
Time (UTC) | 2021-11-01 21:01:35 ± 0.04 |
Latitude | 42.8088 ± 0.0027 |
Longitude | 13.1022 ± 0.0049 |
Depth (km) | 11 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 97150411 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 420 |
Semi-minor axis of confidence ellipse (meter) | 290 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 294 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 420.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 105 |
Number of associated phases, regardless of their use for origin computation | 20 |
Number of defining phases | 20 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.13 |
Epicentral distance of station closest to the epicenter (degree) | 0.02608 |
Epicentral distance of station farthest from the epicenter (degree) | 0.41279 |
Number of stations at which the event was observed | 10 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.5 |
Num. used stations | 9 |
Type of magnitude | ML |
Reference to an origin | 97150411 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-11-01 21:11:20 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.TERO.HHZ. | 2021-11-01T21:01:50.40 | 0.6 | undecidable | manual | S | 117 | 45.8208 | 90 | -0.02 | 46 |
IV.SMA1.EHZ. | 2021-11-01T21:01:45.70 | 0.6 | undecidable | manual | S | 136 | 27.4503 | 90 | 0.19 | 48 |
IV.TERO.HHZ. | 2021-11-01T21:01:44.24 | 0.3 | undecidable | manual | P | 117 | 45.8208 | 90 | 0.03 | 70 |
IV.FDMO.HHZ. | 2021-11-01T21:01:44.79 | 0.6 | undecidable | manual | S | 357 | 25.2525 | 90 | -0.15 | 48 |
IV.GAVE.HNZ. | 2021-11-01T21:01:44.01 | 0.6 | undecidable | manual | S | 233 | 21.3675 | 90 | 0.12 | 47 |
IT.MTCL.HGZ. | 2021-11-01T21:01:44.04 | 0.6 | undecidable | manual | S | 338 | 22.1556 | 90 | -0.07 | 49 |
IV.LNSS.HHZ. | 2021-11-01T21:01:44.18 | 0.6 | undecidable | manual | S | 192 | 23.3544 | 90 | -0.26 | 47 |
IV.T1299.EHZ. | 2021-11-01T21:01:44.85 | 0.6 | undecidable | manual | S | 143 | 24.2535 | 90 | 0.17 | 48 |
IV.MMO1.EHZ. | 2021-11-01T21:01:43.56 | 0.6 | undecidable | manual | S | 61 | 20.868 | 90 | -0.19 | 47 |
IV.MC2.EHZ. | 2021-11-01T21:01:42.02 | 0.6 | undecidable | manual | S | 32 | 13.3755 | 94 | 0.26 | 47 |
IV.T1299.EHZ. | 2021-11-01T21:01:41.03 | 0.3 | undecidable | manual | P | 143 | 24.2535 | 90 | 0.13 | 72 |
IV.FDMO.HHZ. | 2021-11-01T21:01:41.02 | 0.1 | undecidable | manual | P | 357 | 25.2525 | 90 | -0.03 | 97 |
IV.SMA1.EHZ. | 2021-11-01T21:01:41.51 | 0.1 | undecidable | manual | P | 136 | 27.4503 | 90 | 0.13 | 96 |
IV.MMO1.EHZ. | 2021-11-01T21:01:40.26 | 0.1 | undecidable | manual | P | 61 | 20.868 | 90 | -0.11 | 96 |
IV.LNSS.HHZ. | 2021-11-01T21:01:40.72 | 0.3 | undecidable | manual | P | 192 | 23.3544 | 90 | -0.04 | 73 |
IV.GAVE.HNZ. | 2021-11-01T21:01:40.39 | 0.3 | undecidable | manual | P | 233 | 21.3675 | 90 | -0.05 | 74 |
IT.MTCL.HGZ. | 2021-11-01T21:01:40.57 | 0.3 | undecidable | manual | P | 338 | 22.1556 | 90 | 0 | 73 |
IV.NRCA.HHZ. | 2021-11-01T21:01:39.34 | 0.3 | undecidable | manual | S | 20 | 2.8971 | 161 | -0.37 | 71 |
IV.MC2.EHZ. | 2021-11-01T21:01:39.35 | 0.1 | positive | manual | P | 32 | 13.3755 | 94 | 0.14 | 97 |
IV.NRCA.HHZ. | 2021-11-01T21:01:38.09 | 0.1 | undecidable | manual | P | 20 | 2.8971 | 161 | 0.06 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.7 | 0.0008505 | 0.08 | AML | other | m | 2021-11-01T21:01:39.45 |
IV.NRCA.HNN. | ML:1.7 | 0.0007655000000000001 | 0.08 | AML | other | m | 2021-11-01T21:01:39.41 |
IV.NRCA.HHE. | ML:1.6 | 0.0006214561999999999 | 0.1536 | AML | other | m | 2021-11-01T21:01:40.04 |
IV.NRCA.HNE. | ML:1.6 | 0.0006022475 | 0.0768 | AML | other | m | 2021-11-01T21:01:39.48 |
IV.LNSS.HHE. | ML:1.0 | 0.000071778325 | 0.1024 | AML | other | m | 2021-11-01T21:01:44.94 |
IV.LNSS.HHN. | ML:1.0 | 0.00007203174 | 0.2432 | AML | other | m | 2021-11-01T21:01:44.90 |
IV.FDMO.HHE. | ML:0.6 | 0.000023414929 | 0.1792 | AML | other | m | 2021-11-01T21:01:44.94 |
IV.FDMO.HHN. | ML:0.7 | 0.0000298073005 | 0.2432 | AML | other | m | 2021-11-01T21:01:44.95 |
IV.SMA1.EHN. | ML:0.3 | 0.000011539915 | 0.3328 | AML | other | m | 2021-11-01T21:01:46.11 |