A magnitude ML 0.9 earthquake occured in region: 4 km NE Norcia (PG), on
and geographic coordinates (lat, lon) 42.8180, 13.1220 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 | 4 | 4957 | 4957 |
Castelsantangelo sul Nera | MC | 9 | 281 | 5238 |
Preci | PG | 10 | 724 | 5962 |
Visso | MC | 13 | 1107 | 7069 |
Cascia | PG | 14 | 3217 | 10286 |
Ussita | MC | 14 | 444 | 10730 |
Arquata del Tronto | AP | 15 | 1178 | 11908 |
Cerreto di Spoleto | PG | 17 | 1075 | 12983 |
Accumoli | RI | 17 | 667 | 13650 |
Montegallo | AP | 18 | 523 | 14173 |
Sellano | PG | 18 | 1079 | 15252 |
Montemonaco | AP | 19 | 604 | 15856 |
Poggiodomo | PG | 19 | 117 | 15973 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.9 | 2020-11-20 03:36:19 |
42.818 | 13.1222 | 11 | 2020-11-20 03:54:45 |
Sala Sismica INGV-Roma | 84863271 |
Field | Value |
---|---|
Time (UTC) | 2020-11-20 03:36:19 ± 0.07 |
Latitude | 42.8180 ± 0.0045 |
Longitude | 13.1222 ± 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 | 84863271 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 653 |
Semi-minor axis of confidence ellipse (meter) | 232 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 233 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 650.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 180 |
Number of associated phases, regardless of their use for origin computation | 14 |
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) | 0.01619 |
Epicentral distance of station farthest from the epicenter (degree) | 0.40380 |
Number of stations at which the event was observed | 7 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.2 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 84863271 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-11-20 03:54:45 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.TERO.HHZ. | 2020-11-20T03:36:34.11 | 0.3 | undecidable | manual | S | 119 | 44.8218 | 50 | -0.04 | 72 |
IV.CSP1.EHZ. | 2020-11-20T03:36:30.73 | 0.6 | undecidable | manual | S | 12 | 31.1466 | 50 | 0.24 | 47 |
IV.CESI.HHZ. | 2020-11-20T03:36:29.41 | 0.6 | undecidable | manual | S | 320 | 27.2505 | 50 | -0.05 | 49 |
IV.SMA1.EHZ. | 2020-11-20T03:36:29.34 | 0.6 | undecidable | manual | S | 140 | 27.0507 | 50 | -0.08 | 49 |
IV.TERO.HHZ. | 2020-11-20T03:36:28.04 | 0.1 | undecidable | manual | P | 119 | 44.8218 | 50 | 0.01 | 96 |
IV.FDMO.HHZ. | 2020-11-20T03:36:28.58 | 0.6 | undecidable | manual | S | 353 | 24.3534 | 50 | -0.12 | 49 |
IV.MMO1.EHZ. | 2020-11-20T03:36:27.21 | 0.6 | undecidable | manual | S | 61 | 18.9699 | 120 | -0.02 | 50 |
IV.SMA1.EHZ. | 2020-11-20T03:36:25.54 | 1.0 | undecidable | manual | P | 140 | 27.0507 | 50 | 0.24 | 24 |
IV.CSP1.EHZ. | 2020-11-20T03:36:25.32 | 1.0 | negative | manual | P | 12 | 31.1466 | 50 | -0.59 | 21 |
IV.CESI.HHZ. | 2020-11-20T03:36:25.38 | 0.3 | undecidable | manual | P | 320 | 27.2505 | 50 | 0.06 | 74 |
IV.MMO1.EHZ. | 2020-11-20T03:36:24.20 | 1.0 | negative | manual | P | 61 | 18.9699 | 120 | 0.16 | 24 |
IV.FDMO.HHZ. | 2020-11-20T03:36:24.88 | 0.1 | undecidable | manual | P | 353 | 24.3534 | 50 | 0 | 100 |
IV.NRCA.HHZ. | 2020-11-20T03:36:23.32 | 0.6 | undecidable | manual | S | 340 | 1.7982 | 170 | -0.16 | 50 |
IV.NRCA.HHZ. | 2020-11-20T03:36:22.00 | 0.3 | undecidable | manual | P | 340 | 1.7982 | 170 | 0.13 | 76 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.1 | 0.00023249999999999999 | 0.12 | AML | other | m | 2020-11-20T03:36:23.48 |
IV.NRCA.HHE. | ML:0.9 | 0.0001255 | 0.08 | AML | other | m | 2020-11-20T03:36:24.56 |
IV.CESI.HHN. | ML:0.8 | 0.0000332 | 1.48 | AML | other | m | 2020-11-20T03:36:30.07 |
IV.CESI.HHE. | ML:0.8 | 0.000029049999999999998 | 1.32 | AML | other | m | 2020-11-20T03:36:30.80 |