A magnitude ML 0.7 earthquake occured in region: 1 km SW Norcia (PG), on
and geographic coordinates (lat, lon) 42.7880, 13.0800 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 | 1 | 4957 | 4957 |
Cascia | PG | 9 | 3217 | 8174 |
Preci | PG | 11 | 724 | 8898 |
Castelsantangelo sul Nera | MC | 13 | 281 | 9179 |
Cerreto di Spoleto | PG | 14 | 1075 | 10254 |
Poggiodomo | PG | 15 | 117 | 10371 |
Visso | MC | 16 | 1107 | 11478 |
Sellano | PG | 17 | 1079 | 12557 |
Accumoli | RI | 17 | 667 | 13224 |
Vallo di Nera | PG | 18 | 364 | 13588 |
Arquata del Tronto | AP | 18 | 1178 | 14766 |
Ussita | MC | 18 | 444 | 15210 |
Monteleone di Spoleto | PG | 18 | 599 | 15809 |
Cittareale | RI | 20 | 482 | 16291 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.7 | 2021-11-20 21:06:24 |
42.7877 | 13.0805 | 11 | 2021-11-20 21:12:07 |
Sala Sismica INGV-Roma | 97640071 |
Field | Value |
---|---|
Time (UTC) | 2021-11-20 21:06:24 ± 0.05 |
Latitude | 42.7877 ± 0.0027 |
Longitude | 13.0805 ± 0.0061 |
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 | 97640071 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 500 |
Semi-minor axis of confidence ellipse (meter) | 205 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 299 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 500.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 131 |
Number of associated phases, regardless of their use for origin computation | 16 |
Number of defining phases | 16 |
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) | 0.05216 |
Epicentral distance of station farthest from the epicenter (degree) | 0.31746 |
Number of stations at which the event was observed | 8 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 0.7 |
Uncertainty | 0.4 |
Num. used stations | 14 |
Type of magnitude | ML |
Reference to an origin | 97640071 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-11-20 21:12:07 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CSP1.EHZ. | 2021-11-20T21:06:36.78 | 0.6 | undecidable | manual | S | 17 | 35.2425 | 50 | 0.27 | 47 |
IV.FDMO.HHZ. | 2021-11-20T21:06:34.16 | 0.6 | undecidable | manual | S | 1 | 27.5502 | 50 | -0.32 | 46 |
IV.CESI.HHZ. | 2021-11-20T21:06:34.66 | 0.6 | undecidable | manual | S | 329 | 28.0497 | 50 | 0.07 | 49 |
IV.MMO1.HNZ. | 2021-11-20T21:06:33.42 | 0.6 | undecidable | manual | S | 58 | 23.5542 | 50 | 0.03 | 50 |
IV.GAVE.EHZ. | 2021-11-20T21:06:32.22 | 0.6 | undecidable | manual | S | 235 | 18.4704 | 50 | 0.17 | 49 |
IV.LNSS.HHZ. | 2021-11-20T21:06:32.46 | 0.6 | undecidable | manual | S | 189 | 20.7681 | 50 | -0.19 | 48 |
IV.MC2.EHZ. | 2021-11-20T21:06:31.67 | 0.6 | undecidable | manual | S | 33 | 16.2726 | 124 | 0.22 | 48 |
IV.CSP1.EHZ. | 2021-11-20T21:06:31.46 | 1.0 | undecidable | manual | P | 17 | 35.2425 | 50 | -0.03 | 24 |
IV.FDMO.HHZ. | 2021-11-20T21:06:30.24 | 0.6 | positive | manual | P | 1 | 27.5502 | 50 | -0.08 | 49 |
IV.CESI.HHZ. | 2021-11-20T21:06:30.28 | 1.0 | undecidable | manual | P | 329 | 28.0497 | 50 | -0.1 | 24 |
IV.LNSS.HHZ. | 2021-11-20T21:06:29.34 | 0.3 | negative | manual | P | 189 | 20.7681 | 50 | 0.08 | 75 |
IV.MMO1.HNZ. | 2021-11-20T21:06:29.73 | 0.1 | undecidable | manual | P | 58 | 23.5542 | 50 | 0.03 | 100 |
IV.GAVE.EHZ. | 2021-11-20T21:06:29.05 | 0.6 | negative | manual | P | 235 | 18.4704 | 50 | 0.13 | 49 |
IV.NRCA.HHZ. | 2021-11-20T21:06:28.62 | 0.6 | undecidable | manual | S | 28 | 5.7942 | 152 | -0.32 | 49 |
IV.MC2.EHZ. | 2021-11-20T21:06:28.64 | 0.6 | negative | manual | P | 33 | 16.2726 | 124 | 0.07 | 50 |
IV.NRCA.HHZ. | 2021-11-20T21:06:27.08 | 0.6 | undecidable | manual | P | 28 | 5.7942 | 152 | -0.04 | 52 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.2 | 0.0002235 | 0.1 | AML | other | m | 2021-11-20T21:06:28.86 |
IV.NRCA.HHE. | ML:1.2 | 0.000258 | 0.14 | AML | other | m | 2021-11-20T21:06:28.95 |
IV.GAVE.EHN. | ML:0.7 | 0.000040050000000000004 | 0.36 | AML | other | m | 2021-11-20T21:06:32.67 |
IV.GAVE.EHE. | ML:0.7 | 0.0000374 | 0.42 | AML | other | m | 2021-11-20T21:06:32.72 |
IV.LNSS.HHE. | ML:0.7 | 0.0000335 | 0.22 | AML | other | m | 2021-11-20T21:06:32.85 |
IV.LNSS.HHN. | ML:0.8 | 0.000042300000000000005 | 0.24 | AML | other | m | 2021-11-20T21:06:33.22 |
IV.NRCA.HNE. | ML:1.2 | 0.00025853515 | 0.128 | AML | other | m | 2021-11-20T21:06:28.94 |
IV.NRCA.HNN. | ML:1.2 | 0.00021315969000000002 | 0.0896 | AML | other | m | 2021-11-20T21:06:28.85 |
IV.FDMO.HHE. | ML:0.5 | 0.0000141564175 | 0.1152 | AML | other | m | 2021-11-20T21:06:34.69 |
IV.FDMO.HHN. | ML:0.3 | 0.0000081038435 | 0.1024 | AML | other | m | 2021-11-20T21:06:34.80 |
IV.CESI.HHE. | ML:0.0 | 0.000006863392 | 0.1408 | AML | other | m | 2021-11-20T21:06:35.85 |
IV.CESI.HHN. | ML:0.5 | 0.000013892300999999999 | 0.1152 | AML | other | m | 2021-11-20T21:06:34.89 |
IV.CSP1.EHE. | ML:0.8 | 0.000026905341 | 0.3968 | AML | other | m | 2021-11-20T21:06:36.00 |
IV.CSP1.EHN. | ML:0.1 | 0.000005014845 | 0.1024 | AML | other | m | 2021-11-20T21:06:37.09 |