A magnitude ML 1.0 earthquake occured in region: 2 km N Norcia (PG), on
and geographic coordinates (lat, lon) 42.8110, 13.1010 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 | 10 | 281 | 5962 |
Cascia | PG | 12 | 3217 | 9179 |
Visso | MC | 13 | 1107 | 10286 |
Cerreto di Spoleto | PG | 15 | 1075 | 11361 |
Ussita | MC | 15 | 444 | 11805 |
Sellano | PG | 17 | 1079 | 12884 |
Arquata del Tronto | AP | 17 | 1178 | 14062 |
Poggiodomo | PG | 17 | 117 | 14179 |
Accumoli | RI | 18 | 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 1.0 | 2021-11-01 00:27:56 |
42.8113 | 13.1007 | 11 | 2021-11-01 07:40:59 |
Sala Sismica INGV-Roma | 97134891 |
Field | Value |
---|---|
Time (UTC) | 2021-11-01 00:27:56 ± 0.06 |
Latitude | 42.8113 ± 0.0036 |
Longitude | 13.1007 ± 0.0086 |
Depth (km) | 11 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 97134891 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 750 |
Semi-minor axis of confidence ellipse (meter) | 304 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 107 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 750.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 166 |
Number of associated phases, regardless of their use for origin computation | 32 |
Number of defining phases | 12 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.16 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.29048 |
Number of stations at which the event was observed | 23 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.3 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 97134891 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-11-01 07:40:59 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.VOBA.EHZ. | 2021-11-01T00:29:42.89 | 3.0 | undecidable | manual | Sg | 8.9 | 0 | |||
IV.GALF.HHZ. | 2021-11-01T00:29:41.30 | 3.0 | undecidable | manual | Sn | -9.48 | 0 | |||
GU.BURY.HHZ. | 2021-11-01T00:29:36.21 | 3.0 | undecidable | manual | Sn | -8.57 | 0 | |||
IV.CADC.EHZ. | 2021-11-01T00:29:30.21 | 3.0 | undecidable | manual | Sn | -3.32 | 0 | |||
IV.SBPO.HNZ. | 2021-11-01T00:29:23.67 | 3.0 | undecidable | manual | Sg | 5.79 | 0 | |||
GU.BURY.HHZ. | 2021-11-01T00:29:08.09 | 3.0 | undecidable | manual | Pg | 16.01 | 0 | |||
IV.MTGR.HHZ. | 2021-11-01T00:28:49.83 | 3.0 | negative | manual | Pn | -1.31 | 0 | |||
CR.STON.BHZ. | 2021-11-01T00:28:48.46 | 3.0 | undecidable | manual | Pg | 8.73 | 0 | |||
IV.MSSA.HHZ. | 2021-11-01T00:28:46.79 | 3.0 | negative | manual | Pg | 8.4 | 0 | |||
OT.OT11.EHZ. | 2021-11-01T00:28:44.40 | 3.0 | undecidable | manual | Sg | 2.33 | 0 | |||
IV.NDIM.HHZ. | 2021-11-01T00:28:41.31 | 3.0 | negative | manual | Pg | 6.17 | 0 | |||
IV.FIR.HHZ. | 2021-11-01T00:28:40.55 | 3.0 | undecidable | manual | Sn | -8.37 | 0 | |||
IV.ORI.HHZ. | 2021-11-01T00:28:33.78 | 3.0 | positive | manual | Pn | -3.82 | 0 | |||
IV.MCIV.CHZ. | 2021-11-01T00:28:24.20 | 3.0 | undecidable | manual | Sg | -3.31 | 0 | |||
OT.OT11.EHZ. | 2021-11-01T00:28:18.06 | 3.0 | negative | manual | Pn | 1.21 | 0 | |||
IV.MELA.HHZ. | 2021-11-01T00:28:12.28 | 3.0 | undecidable | manual | Pn | -1.64 | 0 | |||
IV.LAV9.HHZ. | 2021-11-01T00:28:12.46 | 3.0 | undecidable | manual | S | 4.48 | 0 | |||
IV.CSP1.EHZ. | 2021-11-01T00:28:07.80 | 0.3 | undecidable | manual | S | 15 | 32.2455 | 50 | 0.19 | 71 |
IV.FDMO.HHZ. | 2021-11-01T00:28:05.61 | 0.3 | undecidable | manual | S | 358 | 24.9528 | 50 | -0.07 | 74 |
IV.TERO.HHZ. | 2021-11-01T00:28:05.12 | 3.0 | undecidable | manual | S | -2.01 | 0 | |||
IV.LNSS.HHZ. | 2021-11-01T00:28:05.36 | 0.1 | undecidable | manual | S | 192 | 23.6541 | 50 | 0.04 | 99 |
IV.MMO1.EHZ. | 2021-11-01T00:28:04.45 | 0.3 | undecidable | manual | S | 62 | 20.868 | 50 | -0.11 | 74 |
IV.CSP1.EHZ. | 2021-11-01T00:28:03.01 | 0.1 | undecidable | manual | P | 15 | 32.2455 | 50 | 0.09 | 97 |
IV.MC2.EHZ. | 2021-11-01T00:28:02.56 | 0.3 | undecidable | manual | S | 33 | 13.1757 | 130 | 0.09 | 75 |
IV.LNSS.HHZ. | 2021-11-01T00:28:01.61 | 0.1 | undecidable | manual | P | 192 | 23.6541 | 50 | 0.01 | 100 |
IV.MMO1.EHZ. | 2021-11-01T00:28:01.07 | 0.1 | undecidable | manual | P | 62 | 20.868 | 50 | -0.09 | 99 |
IV.FDMO.HHZ. | 2021-11-01T00:28:01.60 | 0.1 | undecidable | manual | P | 358 | 24.9528 | 50 | -0.21 | 96 |
IV.MC2.EHZ. | 2021-11-01T00:28:00.15 | 0.1 | undecidable | manual | P | 33 | 13.1757 | 130 | 0.19 | 98 |
IV.NRCA.HHZ. | 2021-11-01T00:28:00.20 | 0.1 | undecidable | manual | S | 24 | 2.6973 | 166 | -0.23 | 99 |
IV.LAV9.HNZ. | 2021-11-01T00:27:59.17 | 3.0 | positive | manual | P | 1.47 | 0 | |||
IV.NRCA.HHZ. | 2021-11-01T00:27:58.93 | 0.3 | undecidable | manual | P | 24 | 2.6973 | 166 | 0.16 | 76 |
IV.VIVA.HHZ. | 2021-11-01T00:27:54.78 | 3.0 | negative | manual | P | -0.94 | 0 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.0 | 0.00017424345000000002 | 0.0604 | AML | other | m | 2021-11-01T00:28:00.32 |
IV.NRCA.HHE. | ML:1.1 | 0.000212490105 | 0.08 | AML | other | m | 2021-11-01T00:28:00.35 |
IV.NRCA.HNE. | ML:1.1 | 0.0002065406 | 0.16 | AML | other | m | 2021-11-01T00:28:00.85 |
IV.NRCA.HNN. | ML:1.0 | 0.00018453935 | 0.96 | AML | other | m | 2021-11-01T00:28:11.57 |
IV.FDMO.HHE. | ML:-0.1 | 0.0000069039811 | 0.14 | AML | other | m | 2021-11-01T00:28:07.27 |
IV.FDMO.HHN. | ML:0.2 | 0.000012330208000000001 | 1.1804 | AML | other | m | 2021-11-01T00:28:21.96 |
IV.LNSS.HNE. | ML:1.2 | 0.000097646725 | 0.67 | AML | other | m | 2021-11-01T00:28:04.00 |
IV.LNSS.HNN. | ML:1.3 | 0.000132652975 | 1.17 | AML | other | m | 2021-11-01T00:28:01.54 |
IV.LNSS.HHE. | ML:0.7 | 0.000028746625 | 0.12 | AML | other | m | 2021-11-01T00:28:06.14 |
IV.LNSS.HHN. | ML:0.8 | 0.000033785869999999996 | 0.28 | AML | other | m | 2021-11-01T00:28:06.07 |