A magnitude ML 1.4 earthquake occured in region: 2 km NW Norcia (PG), on
and geographic coordinates (lat, lon) 42.8110, 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 | 2 | 4957 | 4957 |
Preci | PG | 8 | 724 | 5681 |
Castelsantangelo sul Nera | MC | 11 | 281 | 5962 |
Cascia | PG | 12 | 3217 | 9179 |
Cerreto di Spoleto | PG | 13 | 1075 | 10254 |
Visso | MC | 14 | 1107 | 11361 |
Sellano | PG | 15 | 1079 | 12440 |
Ussita | MC | 16 | 444 | 12884 |
Poggiodomo | PG | 16 | 117 | 13001 |
Arquata del Tronto | AP | 18 | 1178 | 14179 |
Vallo di Nera | PG | 18 | 364 | 14543 |
Accumoli | RI | 19 | 667 | 15210 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.4 | 2020-08-05 08:25:06 |
42.8108 | 13.08 | 11 | 2020-08-05 08:35:58 |
Sala Sismica INGV-Roma | 81666031 |
Field | Value |
---|---|
Time (UTC) | 2020-08-05 08:25:06 ± 0.06 |
Latitude | 42.8108 ± 0.0027 |
Longitude | 13.0800 ± 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 | 81666031 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 478 |
Semi-minor axis of confidence ellipse (meter) | 223 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 98 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 480.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 98 |
Number of associated phases, regardless of their use for origin computation | 22 |
Number of defining phases | 20 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.18 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.31746 |
Number of stations at which the event was observed | 12 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 1.4 |
Uncertainty | 0.5 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 81666031 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-08-05 08:35:58 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ARVD.HHZ. | 2020-08-05T08:25:19.95 | 3.0 | negative | manual | P | -0.13 | 0 | |||
IV.RM33.EHZ. | 2020-08-05T08:25:18.63 | 0.3 | undecidable | manual | S | 162 | 35.2425 | 50 | 0.22 | 68 |
IV.CSP1.EHZ. | 2020-08-05T08:25:17.79 | 0.3 | undecidable | manual | S | 18 | 32.745 | 50 | 0.03 | 71 |
IV.FDMO.HHZ. | 2020-08-05T08:25:15.62 | 0.3 | undecidable | manual | S | 1 | 25.0527 | 50 | -0.07 | 72 |
IV.CESI.HHN. | 2020-08-05T08:25:15.80 | 0.3 | undecidable | manual | S | 327 | 25.8519 | 50 | -0.1 | 71 |
IV.TERO.HHZ. | 2020-08-05T08:25:15.75 | 3.0 | undecidable | manual | P | 0 | 0 | |||
IV.LNSS.HHE. | 2020-08-05T08:25:15.13 | 0.3 | undecidable | manual | S | 188 | 23.2545 | 50 | -0.09 | 72 |
IV.GAVE.HNZ. | 2020-08-05T08:25:14.23 | 0.3 | undecidable | manual | S | 229 | 20.0688 | 50 | -0.13 | 71 |
IV.MMO1.EHZ. | 2020-08-05T08:25:14.57 | 0.3 | undecidable | manual | S | 64 | 22.3554 | 50 | -0.4 | 67 |
IV.FEMA.HNE. | 2020-08-05T08:25:13.39 | 0.3 | undecidable | manual | S | 352 | 16.9719 | 50 | -0.14 | 72 |
IV.CSP1.EHZ. | 2020-08-05T08:25:13.08 | 0.1 | undecidable | manual | P | 18 | 32.745 | 50 | 0.07 | 94 |
IV.RM33.EHZ. | 2020-08-05T08:25:13.56 | 0.6 | negative | manual | P | 162 | 35.2425 | 50 | 0.17 | 46 |
IV.CESI.HHN. | 2020-08-05T08:25:12.08 | 0.1 | undecidable | manual | P | 327 | 25.8519 | 50 | 0.14 | 94 |
IV.MC2.EHZ. | 2020-08-05T08:25:12.92 | 0.3 | undecidable | manual | S | 38 | 14.2746 | 128 | 0.14 | 72 |
IV.MMO1.EHZ. | 2020-08-05T08:25:11.36 | 0.1 | undecidable | manual | P | 64 | 22.3554 | 50 | -0.05 | 96 |
IV.LNSS.HHE. | 2020-08-05T08:25:11.66 | 0.1 | undecidable | manual | P | 188 | 23.2545 | 50 | 0.11 | 95 |
IV.FDMO.HHZ. | 2020-08-05T08:25:11.91 | 0.1 | undecidable | manual | P | 1 | 25.0527 | 50 | 0.09 | 95 |
IV.NRCA.HHZ. | 2020-08-05T08:25:10.19 | 0.3 | undecidable | manual | S | 48 | 3.7962 | 161 | -0.38 | 70 |
IV.FEMA.HNE. | 2020-08-05T08:25:10.84 | 0.1 | undecidable | manual | P | 352 | 16.9719 | 50 | 0.26 | 93 |
IV.MC2.EHZ. | 2020-08-05T08:25:10.34 | 0.3 | negative | manual | P | 38 | 14.2746 | 128 | 0.2 | 71 |
IV.GAVE.HNZ. | 2020-08-05T08:25:10.76 | 0.3 | undecidable | manual | P | 229 | 20.0688 | 50 | -0.29 | 69 |
IV.NRCA.HHZ. | 2020-08-05T08:25:08.89 | 0.1 | undecidable | manual | P | 48 | 3.7962 | 161 | 0.03 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.9 | 0.0014049999999999998 | 0.08 | AML | other | m | 2020-08-05T08:25:10.34 |
IV.NRCA.HNN. | ML:1.9 | 0.001345 | 0.08 | AML | other | m | 2020-08-05T08:25:10.35 |
IV.NRCA.HHE. | ML:1.8 | 0.0011095 | 0.06 | AML | other | m | 2020-08-05T08:25:10.42 |
IV.NRCA.HNE. | ML:1.8 | 0.0009450000000000001 | 0.08 | AML | other | m | 2020-08-05T08:25:10.42 |
IV.FDMO.HHE. | ML:0.9 | 0.000043869695 | 0.1984 | AML | other | m | 2020-08-05T08:25:16.16 |
IV.FDMO.HHN. | ML:0.8 | 0.000035412760000000005 | 0.2048 | AML | other | m | 2020-08-05T08:25:15.64 |
IV.CSP1.EHE. | ML:1.0 | 0.000045704599999999996 | 0.16 | AML | other | m | 2020-08-05T08:25:18.57 |
IV.CSP1.EHN. | ML:0.8 | 0.00002456587 | 0.4032 | AML | other | m | 2020-08-05T08:25:18.76 |