A magnitude ML 0.9 earthquake occured in region: 3 km NE Norcia (PG), on
and geographic coordinates (lat, lon) 42.8080, 13.1260 at 9 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 | 3 | 4957 | 4957 |
Castelsantangelo sul Nera | MC | 10 | 281 | 5238 |
Preci | PG | 11 | 724 | 5962 |
Cascia | PG | 13 | 3217 | 9179 |
Visso | MC | 14 | 1107 | 10286 |
Arquata del Tronto | AP | 15 | 1178 | 11464 |
Ussita | MC | 15 | 444 | 11908 |
Accumoli | RI | 16 | 667 | 12575 |
Cerreto di Spoleto | PG | 17 | 1075 | 13650 |
Montegallo | AP | 17 | 523 | 14173 |
Sellano | PG | 19 | 1079 | 15252 |
Poggiodomo | PG | 19 | 117 | 15369 |
Montemonaco | AP | 19 | 604 | 15973 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.9 | 2020-08-30 19:09:50 |
42.8078 | 13.1258 | 9 | 2020-08-30 19:19:39 |
Sala Sismica INGV-Roma | 82477761 |
Field | Value |
---|---|
Time (UTC) | 2020-08-30 19:09:50 ± 0.06 |
Latitude | 42.8078 ± 0.0036 |
Longitude | 13.1258 ± 0.0049 |
Depth (km) | 9 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 82477761 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 380 |
Semi-minor axis of confidence ellipse (meter) | 230 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 241 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 380.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 85 |
Number of associated phases, regardless of their use for origin computation | 19 |
Number of defining phases | 19 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.21 |
Epicentral distance of station closest to the epicenter (degree) | 0.02698 |
Epicentral distance of station farthest from the epicenter (degree) | 0.39660 |
Number of stations at which the event was observed | 12 |
Number of stations from which data was used for origin computation | 12 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.2 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 82477761 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-08-30 19:19:39 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CESI.HHZ. | 2020-08-30T19:10:00.83 | 0.6 | undecidable | manual | S | 321 | 28.3494 | 108 | -0.13 | 48 |
IV.FDMO.HHZ. | 2020-08-30T19:09:59.52 | 0.3 | undecidable | manual | S | 353 | 25.5522 | 109 | -0.53 | 67 |
IV.GAVE.EHZ. | 2020-08-30T19:09:58.99 | 0.3 | undecidable | manual | S | 236 | 22.8549 | 111 | -0.17 | 73 |
IV.TERO.HHZ. | 2020-08-30T19:09:58.89 | 0.1 | undecidable | manual | P | 118 | 44.0226 | 50 | -0.25 | 92 |
IV.MTRA.EHZ. | 2020-08-30T19:09:58.92 | 0.3 | undecidable | manual | S | 104 | 22.755 | 111 | -0.22 | 72 |
IV.MF5.EHZ. | 2020-08-30T19:09:57.80 | 0.1 | undecidable | manual | P | 54 | 33.6441 | 50 | 0.26 | 93 |
IV.RM33.EHZ. | 2020-08-30T19:09:57.60 | 0.1 | undecidable | manual | P | 168 | 33.9438 | 50 | 0.02 | 98 |
IV.MMO1.EHZ. | 2020-08-30T19:09:57.98 | 0.3 | undecidable | manual | S | 58 | 19.2696 | 115 | -0.04 | 75 |
IV.CSP1.EHZ. | 2020-08-30T19:09:57.23 | 0.1 | undecidable | manual | P | 11 | 32.1456 | 50 | -0.08 | 97 |
IV.MC2.EHZ. | 2020-08-30T19:09:56.17 | 0.3 | undecidable | manual | S | 24 | 12.5763 | 125 | 0.16 | 74 |
IV.CESI.HHZ. | 2020-08-30T19:09:56.60 | 0.1 | undecidable | manual | P | 321 | 28.3494 | 108 | 0 | 99 |
IV.FDMO.HHZ. | 2020-08-30T19:09:56.15 | 0.1 | undecidable | manual | P | 353 | 25.5522 | 109 | 0.07 | 98 |
IV.SMA1.EHZ. | 2020-08-30T19:09:56.09 | 0.1 | undecidable | manual | P | 139 | 26.0517 | 109 | -0.08 | 98 |
IV.MTRA.EHZ. | 2020-08-30T19:09:55.57 | 0.1 | undecidable | manual | P | 104 | 22.755 | 111 | 0.02 | 100 |
IV.GAVE.EHZ. | 2020-08-30T19:09:55.75 | 0.1 | undecidable | manual | P | 236 | 22.8549 | 111 | 0.18 | 97 |
IV.MC2.EHZ. | 2020-08-30T19:09:54.22 | 0.6 | positive | manual | P | 24 | 12.5763 | 125 | 0.47 | 46 |
IV.MMO1.EHZ. | 2020-08-30T19:09:54.95 | 0.1 | undecidable | manual | P | 58 | 19.2696 | 115 | 0.05 | 100 |
IV.NRCA.HNZ. | 2020-08-30T19:09:53.73 | 0.3 | undecidable | manual | S | 342 | 2.997 | 161 | -0.2 | 75 |
IV.NRCA.HNZ. | 2020-08-30T19:09:52.89 | 0.1 | negative | manual | P | 342 | 2.997 | 161 | 0.35 | 97 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHE. | ML:0.0 | 0.002009683 | 0.1408 | AML | other | m | 2020-08-30T19:09:54.09 |
IV.NRCA.HHN. | ML:0.0 | 0.00105107105 | 0.1408 | AML | other | m | 2020-08-30T19:09:54.08 |
IV.NRCA.HNE. | ML:0.0 | 0.0019236070000000001 | 0.1536 | AML | other | m | 2020-08-30T19:09:54.09 |
IV.NRCA.HNN. | ML:0.0 | 0.000931055 | 0.0896 | AML | other | m | 2020-08-30T19:09:54.43 |
IV.MTRA.EHE. | ML:1.1 | 0.000085449425 | 0.256 | AML | other | m | 2020-08-30T19:09:59.21 |
IV.MTRA.EHN. | ML:1.1 | 0.00008655943 | 0.1408 | AML | other | m | 2020-08-30T19:09:59.51 |
IV.GAVE.EHE. | ML:1.1 | 0.00007935814499999998 | 0.1536 | AML | other | m | 2020-08-30T19:10:00.45 |
IV.GAVE.EHN. | ML:1.0 | 0.00006434907000000001 | 0.2432 | AML | other | m | 2020-08-30T19:10:00.71 |
IV.SMA1.EHN. | ML:0.8 | 0.000040584235 | 0.9216 | AML | other | m | 2020-08-30T19:09:57.17 |
IV.FDMO.HHE. | ML:0.6 | 0.00002610755 | 0.1792 | AML | other | m | 2020-08-30T19:10:00.62 |
IV.FDMO.HHN. | ML:0.6 | 0.000023386785 | 0.3456 | AML | other | m | 2020-08-30T19:10:00.23 |
IV.CESI.HHN. | ML:0.9 | 0.000047353644999999996 | 0.1024 | AML | other | m | 2020-08-30T19:10:01.13 |