A magnitude ML 1.3 earthquake occured in region: 2 km NE Norcia (PG), on
and geographic coordinates (lat, lon) 42.8100, 13.1090 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 |
Castelsantangelo sul Nera | MC | 10 | 281 | 5962 |
Cascia | PG | 13 | 3217 | 9179 |
Visso | MC | 14 | 1107 | 10286 |
Ussita | MC | 15 | 444 | 10730 |
Cerreto di Spoleto | PG | 16 | 1075 | 11805 |
Arquata del Tronto | AP | 16 | 1178 | 12983 |
Accumoli | RI | 17 | 667 | 13650 |
Sellano | PG | 17 | 1079 | 14729 |
Poggiodomo | PG | 18 | 117 | 14846 |
Montegallo | AP | 19 | 523 | 15369 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.3 | 2020-10-29 02:55:58 |
42.8102 | 13.1093 | 11 | 2020-10-29 04:10:31 |
Sala Sismica INGV-Roma | 84227681 |
Field | Value |
---|---|
Time (UTC) | 2020-10-29 02:55:58 ± 0.05 |
Latitude | 42.8102 ± 0.0036 |
Longitude | 13.1093 ± 0.0061 |
Depth (km) | 11 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 84227681 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 520 |
Semi-minor axis of confidence ellipse (meter) | 320 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 302 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 520.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 96 |
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) | 0.02338 |
Epicentral distance of station farthest from the epicenter (degree) | 0.40829 |
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 | 1.3 |
Uncertainty | 0.1 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 84227681 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-10-29 04:10:31 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.TERO.HHZ. | 2020-10-29T02:56:12.74 | 0.3 | undecidable | manual | S | 117 | 45.3213 | 90 | -0.07 | 100 |
IV.FDMO.HHZ. | 2020-10-29T02:56:07.48 | 0.6 | undecidable | manual | S | 356 | 25.1526 | 90 | 0.06 | 71 |
IV.SMA1.EHZ. | 2020-10-29T02:56:07.78 | 0.6 | undecidable | manual | S | 137 | 27.1506 | 90 | -0.17 | 67 |
IV.CESI.HHZ. | 2020-10-29T02:56:07.63 | 0.6 | undecidable | manual | S | 322 | 27.2505 | 90 | -0.35 | 68 |
IV.TERO.HHZ. | 2020-10-29T02:56:06.92 | 0.6 | negative | manual | P | 117 | 45.3213 | 90 | 0.27 | 68 |
IV.MMO1.EHZ. | 2020-10-29T02:56:06.08 | 0.6 | undecidable | manual | S | 61 | 20.2686 | 90 | -0.03 | 72 |
IV.GAVE.EHZ. | 2020-10-29T02:56:06.48 | 0.6 | undecidable | manual | S | 233 | 21.867 | 90 | -0.06 | 70 |
IV.CESI.HHZ. | 2020-10-29T02:56:04.05 | 1.0 | positive | manual | P | 322 | 27.2505 | 90 | 0.19 | 35 |
IV.GAVE.EHZ. | 2020-10-29T02:56:03.20 | 0.6 | negative | manual | P | 233 | 21.867 | 90 | 0.17 | 72 |
IV.FDMO.HHZ. | 2020-10-29T02:56:03.66 | 0.6 | negative | manual | P | 356 | 25.1526 | 90 | 0.12 | 71 |
IV.SMA1.EHZ. | 2020-10-29T02:56:03.96 | 1.0 | undecidable | manual | P | 137 | 27.1506 | 90 | 0.12 | 36 |
IV.MMO1.EHZ. | 2020-10-29T02:56:02.87 | 0.6 | undecidable | manual | P | 61 | 20.2686 | 90 | 0.09 | 72 |
IV.NRCA.HHZ. | 2020-10-29T02:56:02.02 | 0.6 | undecidable | manual | S | 9 | 2.5974 | 163 | -0.18 | 72 |
IV.NRCA.HHZ. | 2020-10-29T02:56:00.70 | 0.6 | undecidable | manual | P | 9 | 2.5974 | 163 | 0.17 | 73 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.3 | 0.0003585 | 0.14 | AML | other | m | 2020-10-29T02:56:02.10 |
IV.NRCA.HHE. | ML:1.2 | 0.00028649999999999997 | 0.16 | AML | other | m | 2020-10-29T02:56:02.11 |