A magnitude ML 1.3 earthquake occured in region: 3 km E Norcia (PG), on
and geographic coordinates (lat, lon) 42.8040, 13.1270 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 | 3 | 4957 | 4957 |
Castelsantangelo sul Nera | MC | 10 | 281 | 5238 |
Preci | PG | 11 | 724 | 5962 |
Cascia | PG | 13 | 3217 | 9179 |
Arquata del Tronto | AP | 14 | 1178 | 10357 |
Visso | MC | 15 | 1107 | 11464 |
Accumoli | RI | 16 | 667 | 12131 |
Ussita | MC | 16 | 444 | 12575 |
Cerreto di Spoleto | PG | 17 | 1075 | 13650 |
Montegallo | AP | 17 | 523 | 14173 |
Poggiodomo | PG | 19 | 117 | 14290 |
Sellano | PG | 19 | 1079 | 15369 |
Montemonaco | AP | 20 | 604 | 15973 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.3 | 2020-08-04 02:18:27 |
42.8042 | 13.1267 | 10 | 2020-08-04 02:26:03 |
Sala Sismica INGV-Roma | 81626581 |
Field | Value |
---|---|
Time (UTC) | 2020-08-04 02:18:27 ± 0.06 |
Latitude | 42.8042 ± 0.0036 |
Longitude | 13.1267 ± 0.0049 |
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 | 81626581 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 402 |
Semi-minor axis of confidence ellipse (meter) | 239 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 126 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 400.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 84 |
Number of associated phases, regardless of their use for origin computation | 24 |
Number of defining phases | 24 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.22 |
Epicentral distance of station closest to the epicenter (degree) | 0.03058 |
Epicentral distance of station farthest from the epicenter (degree) | 0.42898 |
Number of stations at which the event was observed | 13 |
Number of stations from which data was used for origin computation | 13 |
Field | Value |
---|---|
Value | 1.3 |
Uncertainty | 0.4 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 81626581 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-08-04 02:26:03 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MF5.EHZ. | 2020-08-04T02:18:40.10 | 0.3 | undecidable | manual | S | 53 | 33.8439 | 50 | 0.62 | 64 |
IV.CESI.HHZ. | 2020-08-04T02:18:38.03 | 0.3 | undecidable | manual | S | 321 | 28.6491 | 50 | -0.05 | 74 |
IV.CSP1.EHZ. | 2020-08-04T02:18:38.83 | 0.3 | undecidable | manual | S | 11 | 32.5452 | 50 | -0.29 | 70 |
IV.MNTT.EHZ. | 2020-08-04T02:18:37.32 | 0.6 | negative | manual | P | 53 | 47.619 | 50 | 0.69 | 41 |
IV.SMA1.EHZ. | 2020-08-04T02:18:37.16 | 0.6 | undecidable | manual | S | 138 | 25.6521 | 50 | -0.13 | 49 |
IV.LNSS.HHZ. | 2020-08-04T02:18:36.54 | 0.3 | undecidable | manual | S | 198 | 23.4543 | 113 | -0.03 | 76 |
IV.GAVE.EHN. | 2020-08-04T02:18:36.36 | 0.3 | undecidable | manual | S | 237 | 22.6551 | 114 | 0.04 | 75 |
IT.MTCL.HGE. | 2020-08-04T02:18:36.19 | 0.6 | undecidable | manual | S | 334 | 23.4543 | 113 | -0.38 | 47 |
IV.ARRO.EHZ. | 2020-08-04T02:18:35.48 | 1.0 | negative | manual | P | 230 | 38.628 | 50 | 0.24 | 23 |
IV.MMO1.EHZ. | 2020-08-04T02:18:35.12 | 0.6 | undecidable | manual | S | 57 | 19.3695 | 117 | -0.18 | 49 |
IV.MTRA.EHZ. | 2020-08-04T02:18:35.93 | 0.3 | undecidable | manual | S | 103 | 22.5552 | 114 | -0.38 | 70 |
IV.MF5.EHZ. | 2020-08-04T02:18:34.57 | 1.0 | negative | manual | P | 53 | 33.8439 | 50 | 0.06 | 25 |
IV.CSP1.EHZ. | 2020-08-04T02:18:34.00 | 0.6 | undecidable | manual | P | 11 | 32.5452 | 50 | -0.31 | 47 |
IV.MC2.EHZ. | 2020-08-04T02:18:33.73 | 0.3 | undecidable | manual | S | 23 | 12.9759 | 128 | 0.33 | 72 |
IV.SMA1.EHZ. | 2020-08-04T02:18:33.05 | 1.0 | positive | manual | P | 138 | 25.6521 | 50 | -0.2 | 24 |
IV.CESI.HHZ. | 2020-08-04T02:18:33.61 | 0.1 | undecidable | manual | P | 321 | 28.6491 | 50 | -0.1 | 98 |
IT.MTCL.HGE. | 2020-08-04T02:18:32.63 | 0.1 | undecidable | manual | P | 334 | 23.4543 | 113 | -0.21 | 97 |
IV.MTRA.EHZ. | 2020-08-04T02:18:32.56 | 0.3 | undecidable | manual | P | 103 | 22.5552 | 114 | -0.12 | 74 |
IV.LNSS.HHZ. | 2020-08-04T02:18:32.91 | 0.3 | negative | manual | P | 198 | 23.4543 | 113 | 0.08 | 75 |
IV.GAVE.EHN. | 2020-08-04T02:18:32.79 | 0.1 | undecidable | manual | P | 237 | 22.6551 | 114 | 0.1 | 99 |
IV.NRCA.HNZ. | 2020-08-04T02:18:31.45 | 0.3 | undecidable | manual | S | 343 | 3.3966 | 161 | 0.06 | 78 |
IV.MC2.EHZ. | 2020-08-04T02:18:31.16 | 0.1 | positive | manual | P | 23 | 12.9759 | 128 | 0.16 | 100 |
IV.MMO1.EHZ. | 2020-08-04T02:18:31.88 | 0.3 | positive | manual | P | 57 | 19.3695 | 117 | -0.22 | 73 |
IV.NRCA.HNZ. | 2020-08-04T02:18:30.07 | 0.1 | negative | manual | P | 343 | 3.3966 | 161 | 0.22 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHE. | ML:1.8 | 0.0011014534999999998 | 0.1408 | AML | other | m | 2020-08-04T02:18:31.48 |
IV.NRCA.HHN. | ML:1.7 | 0.0009171435 | 0.0784 | AML | other | m | 2020-08-04T02:18:31.51 |
IV.NRCA.HNE. | ML:1.7 | 0.0009860026 | 0.1312 | AML | other | m | 2020-08-04T02:18:32.27 |
IV.NRCA.HNN. | ML:1.6 | 0.0008418579 | 0.1696 | AML | other | m | 2020-08-04T02:18:31.50 |
IV.MTRA.EHN. | ML:1.1 | 0.000078460895 | 0.2208 | AML | other | m | 2020-08-04T02:18:36.43 |
IV.LNSS.HHE. | ML:1.3 | 0.00012627851500000002 | 0.0992 | AML | other | m | 2020-08-04T02:18:37.22 |
IV.LNSS.HHN. | ML:1.4 | 0.000146318745 | 0.1392 | AML | other | m | 2020-08-04T02:18:36.87 |
IV.LNSS.HNE. | ML:1.3 | 0.0001225913 | 0.28 | AML | other | m | 2020-08-04T02:18:38.37 |
IV.SMA1.EHE. | ML:1.0 | 0.00005671525 | 0.2992 | AML | other | m | 2020-08-04T02:18:40.20 |
IV.SMA1.EHN. | ML:0.8 | 0.000037064805 | 0.4 | AML | other | m | 2020-08-04T02:18:42.57 |
IV.ARRO.EHE. | ML:0.8 | 0.000018962735000000003 | 0.1792 | AML | other | m | 2020-08-04T02:18:42.53 |
IV.ARRO.EHN. | ML:0.8 | 0.000025399365 | 0.2208 | AML | other | m | 2020-08-04T02:18:43.05 |