A magnitude ML 0.8 earthquake occured in region: 2 km W Norcia (PG), on
and geographic coordinates (lat, lon) 42.7960, 13.0730 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 | 10 | 724 | 5681 |
Cascia | PG | 10 | 3217 | 8898 |
Castelsantangelo sul Nera | MC | 13 | 281 | 9179 |
Cerreto di Spoleto | PG | 13 | 1075 | 10254 |
Poggiodomo | PG | 15 | 117 | 10371 |
Visso | MC | 15 | 1107 | 11478 |
Sellano | PG | 16 | 1079 | 12557 |
Vallo di Nera | PG | 17 | 364 | 12921 |
Ussita | MC | 17 | 444 | 13365 |
Accumoli | RI | 18 | 667 | 14032 |
Arquata del Tronto | AP | 19 | 1178 | 15210 |
Monteleone di Spoleto | PG | 19 | 599 | 15809 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.8 | 2021-11-27 19:24:36 |
42.7958 | 13.0732 | 11 | 2021-11-27 19:50:50 |
Sala Sismica INGV-Roma | 97877691 |
Field | Value |
---|---|
Time (UTC) | 2021-11-27 19:24:36 ± 0.04 |
Latitude | 42.7958 ± 0.0027 |
Longitude | 13.0732 ± 0.0037 |
Depth (km) | 11 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 97877691 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 314 |
Semi-minor axis of confidence ellipse (meter) | 160 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 111 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 310.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 126 |
Number of associated phases, regardless of their use for origin computation | 31 |
Number of defining phases | 14 |
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) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.24282 |
Number of stations at which the event was observed | 23 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 0.8 |
Uncertainty | 0.2 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 97877691 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-11-27 19:50:50 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MTGR.HHZ. | 2021-11-27T19:26:10.20 | 3.0 | undecidable | manual | Sn | -2.32 | 0 | |||
IV.TREG.EHZ. | 2021-11-27T19:26:05.56 | 3.0 | undecidable | manual | Sg | 20.4 | 0 | |||
AC.VLO.HHZ. | 2021-11-27T19:26:03.99 | 3.0 | negative | manual | Pg | 22.6 | 0 | |||
IV.MSSA.HHZ. | 2021-11-27T19:25:48.30 | 3.0 | undecidable | manual | Sn | 18.809999 | 0 | |||
IV.HAGA.HHZ. | 2021-11-27T19:25:42.11 | 3.0 | undecidable | manual | Pn | 8.3 | 0 | |||
OT.OT17.EHZ. | 2021-11-27T19:25:41.63 | 3.0 | undecidable | manual | Sg | 2.11 | 0 | |||
IT.ORP.HGZ. | 2021-11-27T19:25:40.60 | 3.0 | undecidable | manual | Sg | 0.21 | 0 | |||
GU.IMI.HHZ. | 2021-11-27T19:25:35.22 | 3.0 | negative | manual | Pg | 34.950001 | 0 | |||
IV.PP3.EHZ. | 2021-11-27T19:25:21.52 | 3.0 | undecidable | manual | Sg | 2.17 | 0 | |||
IV.MURB.HHZ. | 2021-11-27T19:25:15.57 | 3.0 | undecidable | manual | Sg | 6.58 | 0 | |||
IV.CET2.HHZ. | 2021-11-27T19:25:12.88 | 3.0 | undecidable | manual | Pn | -3.35 | 0 | |||
IV.FERS.EHZ. | 2021-11-27T19:25:05.16 | 3.0 | negative | manual | Pn | 10.08 | 0 | |||
OT.OT13.EHZ. | 2021-11-27T19:25:02.45 | 3.0 | positive | manual | Pn | -3.35 | 0 | |||
IT.ORP.HGZ. | 2021-11-27T19:24:57.29 | 3.0 | positive | manual | Pn | -2.32 | 0 | |||
IV.FDMO.HHZ. | 2021-11-27T19:24:46.00 | 0.3 | undecidable | manual | S | 2 | 26.751 | 91 | -0.13 | 70 |
IV.CESI.HHZ. | 2021-11-27T19:24:46.08 | 0.3 | undecidable | manual | S | 329 | 26.9508 | 91 | -0.11 | 71 |
IV.MMO1.HNE. | 2021-11-27T19:24:45.38 | 0.3 | undecidable | manual | S | 61 | 23.6541 | 91 | 0.08 | 73 |
IV.GAVE.EHZ. | 2021-11-27T19:24:44.10 | 0.3 | undecidable | manual | S | 232 | 18.5703 | 92 | 0.15 | 70 |
IV.LNSS.HHZ. | 2021-11-27T19:24:44.61 | 0.3 | undecidable | manual | S | 187 | 21.5673 | 91 | -0.15 | 74 |
IV.LAV9.HNZ. | 2021-11-27T19:24:43.82 | 3.0 | negative | manual | P | 2.94 | 0 | |||
IV.MC2.EHZ. | 2021-11-27T19:24:43.50 | 0.3 | undecidable | manual | S | 36 | 15.873 | 94 | 0.26 | 72 |
IV.CESI.HHZ. | 2021-11-27T19:24:42.22 | 0.1 | undecidable | manual | P | 329 | 26.9508 | 91 | 0.11 | 96 |
IV.BARO.EHZ. | 2021-11-27T19:24:42.70 | 3.0 | undecidable | manual | P | 5.14 | 0 | |||
IV.LNSS.HHZ. | 2021-11-27T19:24:41.22 | 0.1 | undecidable | manual | P | 187 | 21.5673 | 91 | -0.06 | 98 |
IV.MMO1.HNE. | 2021-11-27T19:24:41.62 | 0.1 | undecidable | manual | P | 61 | 23.6541 | 91 | 0.02 | 98 |
IV.FDMO.HHZ. | 2021-11-27T19:24:41.96 | 0.1 | undecidable | manual | P | 2 | 26.751 | 91 | -0.11 | 95 |
IV.MC2.EHZ. | 2021-11-27T19:24:40.53 | 0.1 | undecidable | manual | P | 36 | 15.873 | 94 | 0.12 | 98 |
IV.GAVE.EHZ. | 2021-11-27T19:24:40.85 | 0.1 | undecidable | manual | P | 232 | 18.5703 | 92 | 0.03 | 97 |
IV.NRCA.HHZ. | 2021-11-27T19:24:40.64 | 0.3 | undecidable | manual | S | 39 | 5.3946 | 146 | -0.2 | 73 |
IV.NRCA.HHZ. | 2021-11-27T19:24:39.09 | 0.1 | undecidable | manual | P | 39 | 5.3946 | 146 | 0.07 | 100 |
IV.SRES.HHZ. | 2021-11-27T19:24:37.59 | 3.0 | undecidable | manual | Pn | -1.37 | 0 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHE. | ML:0.7 | 0.0000723352 | 0.0768 | AML | other | m | 2021-11-27T19:24:40.92 |
IV.NRCA.HHN. | ML:1.0 | 0.0001372863 | 0.1024 | AML | other | m | 2021-11-27T19:24:40.70 |
IV.NRCA.HNE. | ML:0.6 | 0.00006636606 | 0.064 | AML | other | m | 2021-11-27T19:24:40.95 |
IV.NRCA.HNN. | ML:1.0 | 0.00014394109999999998 | 0.1408 | AML | other | m | 2021-11-27T19:24:40.77 |