A magnitude ML 1.0 earthquake occured in region: 4 km E Norcia (PG), on
and geographic coordinates (lat, lon) 42.7890, 13.1410 at 10 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 | 12 | 281 | 5238 |
Arquata del Tronto | AP | 13 | 1178 | 6416 |
Cascia | PG | 13 | 3217 | 9633 |
Preci | PG | 13 | 724 | 10357 |
Accumoli | RI | 14 | 667 | 11024 |
Visso | MC | 16 | 1107 | 12131 |
Montegallo | AP | 17 | 523 | 12654 |
Ussita | MC | 17 | 444 | 13098 |
Cerreto di Spoleto | PG | 19 | 1075 | 14173 |
Poggiodomo | PG | 19 | 117 | 14290 |
Cittareale | RI | 19 | 482 | 14772 |
Montemonaco | AP | 20 | 604 | 15376 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.0 | 2020-08-23 22:43:48 |
42.7892 | 13.1408 | 10 | 2020-08-23 22:56:26 |
Sala Sismica INGV-Roma | 82274271 |
Field | Value |
---|---|
Time (UTC) | 2020-08-23 22:43:48 ± 0.05 |
Latitude | 42.7892 ± 0.0027 |
Longitude | 13.1408 ± 0.0037 |
Depth (km) | 10 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 82274271 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 305 |
Semi-minor axis of confidence ellipse (meter) | 189 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 82 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 310.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 79 |
Number of associated phases, regardless of their use for origin computation | 26 |
Number of defining phases | 24 |
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) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.37861 |
Number of stations at which the event was observed | 14 |
Number of stations from which data was used for origin computation | 12 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.3 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 82274271 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-08-23 22:56:26 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.SAMA.EHZ. | 2020-08-23T22:44:08.10 | 3.0 | positive | manual | P | -2.27 | 0 | |||
IV.MURB.HNZ. | 2020-08-23T22:44:02.65 | 3.0 | undecidable | manual | P | -0.06 | 0 | |||
IV.TERO.HHZ. | 2020-08-23T22:44:02.02 | 0.3 | undecidable | manual | S | 116 | 42.0246 | 50 | -0.24 | 69 |
IV.RM33.EHZ. | 2020-08-23T22:43:59.34 | 0.3 | undecidable | manual | S | 169 | 31.6461 | 50 | -0.15 | 72 |
IV.CESI.HNZ. | 2020-08-23T22:43:59.56 | 0.3 | undecidable | manual | S | 321 | 30.6471 | 50 | 0.32 | 69 |
IV.FDMO.HHN. | 2020-08-23T22:43:58.18 | 0.3 | undecidable | manual | S | 351 | 27.75 | 50 | -0.28 | 70 |
IV.SMA1.EHZ. | 2020-08-23T22:43:57.28 | 0.3 | undecidable | manual | S | 138 | 23.6541 | 113 | 0.04 | 74 |
IV.GAVE.EHZ. | 2020-08-23T22:43:57.02 | 0.3 | undecidable | manual | S | 242 | 22.755 | 114 | 0.06 | 74 |
IV.MTRA.HNE. | 2020-08-23T22:43:56.35 | 0.3 | undecidable | manual | S | 100 | 21.1677 | 115 | -0.09 | 74 |
IV.T1299.EHE. | 2020-08-23T22:43:56.72 | 0.3 | undecidable | manual | S | 146 | 20.6682 | 116 | 0.42 | 69 |
IV.LNSS.HNE. | 2020-08-23T22:43:56.62 | 0.3 | undecidable | manual | S | 202 | 22.2555 | 114 | -0.17 | 73 |
IV.TERO.HHZ. | 2020-08-23T22:43:56.27 | 0.6 | undecidable | manual | P | 116 | 42.0246 | 50 | -0.1 | 47 |
IV.MMO1.HNE. | 2020-08-23T22:43:55.73 | 0.3 | undecidable | manual | S | 51 | 19.4694 | 117 | -0.19 | 73 |
IV.CESI.HNZ. | 2020-08-23T22:43:54.84 | 0.1 | undecidable | manual | P | 321 | 30.6471 | 50 | 0.21 | 94 |
IV.FDMO.HHN. | 2020-08-23T22:43:54.18 | 0.1 | undecidable | manual | P | 351 | 27.75 | 50 | 0 | 99 |
IV.MC2.EHZ. | 2020-08-23T22:43:54.58 | 0.3 | undecidable | manual | S | 16 | 14.0748 | 125 | 0.25 | 72 |
IV.RM33.EHZ. | 2020-08-23T22:43:54.64 | 0.1 | undecidable | manual | P | 169 | 31.6461 | 50 | -0.14 | 96 |
IV.SMA1.EHZ. | 2020-08-23T22:43:53.40 | 0.1 | undecidable | manual | P | 138 | 23.6541 | 113 | -0.08 | 98 |
IV.LNSS.HNE. | 2020-08-23T22:43:53.22 | 0.1 | undecidable | manual | P | 202 | 22.2555 | 114 | 0.01 | 100 |
IV.GAVE.EHZ. | 2020-08-23T22:43:53.38 | 0.1 | undecidable | manual | P | 242 | 22.755 | 114 | 0.07 | 99 |
IV.MTRA.HNE. | 2020-08-23T22:43:53.29 | 0.1 | undecidable | manual | P | 100 | 21.1677 | 115 | 0.28 | 95 |
IV.T1299.EHE. | 2020-08-23T22:43:53.14 | 0.3 | undecidable | manual | P | 146 | 20.6682 | 116 | 0.21 | 72 |
IV.MMO1.HNE. | 2020-08-23T22:43:52.69 | 0.1 | undecidable | manual | P | 51 | 19.4694 | 117 | -0.02 | 100 |
IV.MC2.EHZ. | 2020-08-23T22:43:52.10 | 0.1 | undecidable | manual | P | 16 | 14.0748 | 125 | 0.31 | 95 |
IV.NRCA.HHZ. | 2020-08-23T22:43:51.71 | 0.3 | undecidable | manual | S | 336 | 5.3946 | 152 | -0.54 | 68 |
IV.NRCA.HHZ. | 2020-08-23T22:43:50.32 | 0.1 | undecidable | manual | P | 336 | 5.3946 | 152 | -0.28 | 97 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.GAVE.EHE. | ML:1.0 | 0.00007175000000000001 | 0.18 | AML | other | m | 2020-08-23T22:43:58.92 |
IV.GAVE.EHN. | ML:1.0 | 0.0000712 | 0.4 | AML | other | m | 2020-08-23T22:43:59.46 |
IV.TERO.HHN. | ML:1.0 | 0.00003195 | 0.58 | AML | other | m | 2020-08-23T22:44:04.07 |
IV.TERO.HHE. | ML:0.8 | 0.000021449999999999996 | 1.22 | AML | other | m | 2020-08-23T22:44:06.70 |
IV.NRCA.HHE. | ML:1.5 | 0.0005331774500000001 | 0.0896 | AML | other | m | 2020-08-23T22:43:51.80 |
IV.NRCA.HHN. | ML:1.4 | 0.00043307609999999994 | 0.0896 | AML | other | m | 2020-08-23T22:43:52.38 |
IV.NRCA.HNE. | ML:1.4 | 0.00046264744999999994 | 0.064 | AML | other | m | 2020-08-23T22:43:51.81 |
IV.NRCA.HNN. | ML:1.4 | 0.00040078030000000004 | 0.0768 | AML | other | m | 2020-08-23T22:43:52.34 |
IV.SMA1.EHE. | ML:0.8 | 0.000037740145000000005 | 0.2304 | AML | other | m | 2020-08-23T22:43:57.42 |
IV.SMA1.EHN. | ML:0.9 | 0.00004339295 | 0.4608 | AML | other | m | 2020-08-23T22:44:04.49 |
IV.RM33.EHE. | ML:0.7 | 0.00002369383 | 0.2944 | AML | other | m | 2020-08-23T22:44:00.47 |
IV.RM33.EHN. | ML:0.6 | 0.000021897988 | 0.2048 | AML | other | m | 2020-08-23T22:44:00.08 |