A magnitude ML 1.1 earthquake occured in region: 6 km E Norcia (PG), on
and geographic coordinates (lat, lon) 42.7980, 13.1650 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 | 6 | 4957 | 4957 |
Castelsantangelo sul Nera | MC | 11 | 281 | 5238 |
Arquata del Tronto | AP | 11 | 1178 | 6416 |
Accumoli | RI | 13 | 667 | 7083 |
Preci | PG | 14 | 724 | 7807 |
Montegallo | AP | 15 | 523 | 8330 |
Cascia | PG | 15 | 3217 | 11547 |
Visso | MC | 16 | 1107 | 12654 |
Ussita | MC | 16 | 444 | 13098 |
Montemonaco | AP | 18 | 604 | 13702 |
Cittareale | RI | 20 | 482 | 14184 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2020-10-21 21:43:17 |
42.7985 | 13.1648 | 10 | 2020-10-21 21:50:22 |
Sala Sismica INGV-Roma | 84004501 |
Field | Value |
---|---|
Time (UTC) | 2020-10-21 21:43:17 ± 0.06 |
Latitude | 42.7985 ± 0.0036 |
Longitude | 13.1648 ± 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 | 84004501 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 406 |
Semi-minor axis of confidence ellipse (meter) | 288 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 260 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 410.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 71 |
Number of associated phases, regardless of their use for origin computation | 25 |
Number of defining phases | 25 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.26 |
Epicentral distance of station closest to the epicenter (degree) | 0.05126 |
Epicentral distance of station farthest from the epicenter (degree) | 0.29498 |
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 | 1.1 |
Uncertainty | 0.3 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 84004501 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-10-21 21:50:22 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MF5.EHZ. | 2020-10-21T21:43:29.47 | 0.3 | undecidable | manual | S | 49 | 31.8459 | 50 | 0.54 | 64 |
IV.CSP1.EHZ. | 2020-10-21T21:43:29.01 | 0.3 | undecidable | manual | S | 6 | 32.745 | 50 | -0.15 | 70 |
IV.CESI.HHZ. | 2020-10-21T21:43:28.77 | 0.6 | undecidable | manual | S | 317 | 31.1466 | 50 | 0.03 | 48 |
IV.FDMO.HHZ. | 2020-10-21T21:43:27.23 | 0.3 | undecidable | manual | S | 347 | 27.1506 | 50 | -0.44 | 66 |
IV.LNSS.HHZ. | 2020-10-21T21:43:26.68 | 0.3 | undecidable | manual | S | 205 | 23.9538 | 112 | -0.02 | 73 |
IV.SMA1.EHZ. | 2020-10-21T21:43:26.51 | 0.3 | undecidable | manual | S | 143 | 23.2545 | 113 | 0.04 | 73 |
IV.GAVE.HNZ. | 2020-10-21T21:43:26.81 | 0.3 | undecidable | manual | S | 242 | 24.9528 | 112 | -0.22 | 70 |
IV.T1299.HNZ. | 2020-10-21T21:43:25.75 | 0.3 | undecidable | manual | S | 152 | 20.5683 | 116 | 0.12 | 72 |
IV.MTRA.HNZ. | 2020-10-21T21:43:25.01 | 0.3 | undecidable | manual | S | 104 | 19.4694 | 117 | -0.26 | 70 |
IV.CSP1.EHZ. | 2020-10-21T21:43:24.12 | 0.1 | undecidable | manual | P | 6 | 32.745 | 50 | -0.2 | 93 |
IV.CESI.HHZ. | 2020-10-21T21:43:24.05 | 0.1 | undecidable | manual | P | 317 | 31.1466 | 50 | -0.03 | 96 |
IV.MF5.EHZ. | 2020-10-21T21:43:24.42 | 0.1 | undecidable | manual | P | 49 | 31.8459 | 50 | 0.24 | 92 |
IV.MMO1.EHZ. | 2020-10-21T21:43:24.33 | 0.1 | undecidable | manual | S | 50 | 17.2716 | 120 | -0.28 | 93 |
IV.GAVE.HNZ. | 2020-10-21T21:43:23.25 | 0.1 | undecidable | manual | P | 242 | 24.9528 | 112 | 0.16 | 95 |
IV.MC2.EHZ. | 2020-10-21T21:43:23.66 | 0.3 | undecidable | manual | S | 9 | 12.6762 | 128 | 0.38 | 69 |
IV.FDMO.HHZ. | 2020-10-21T21:43:23.22 | 0.1 | undecidable | manual | P | 347 | 27.1506 | 50 | -0.24 | 93 |
IT.MTCL.HGZ. | 2020-10-21T21:43:23.92 | 0.1 | undecidable | manual | P | 328 | 25.4523 | 111 | 0.74 | 80 |
IV.LNSS.HHZ. | 2020-10-21T21:43:22.82 | 0.1 | undecidable | manual | P | 205 | 23.9538 | 112 | -0.08 | 96 |
IV.SMA1.EHZ. | 2020-10-21T21:43:22.82 | 0.1 | undecidable | manual | P | 143 | 23.2545 | 113 | 0.06 | 97 |
IV.T1299.HNZ. | 2020-10-21T21:43:22.41 | 0.1 | undecidable | manual | P | 152 | 20.5683 | 116 | 0.13 | 96 |
IV.MC2.EHZ. | 2020-10-21T21:43:21.11 | 0.1 | undecidable | manual | P | 9 | 12.6762 | 128 | 0.19 | 96 |
IV.MTRA.HNZ. | 2020-10-21T21:43:21.84 | 0.3 | undecidable | manual | P | 104 | 19.4694 | 117 | -0.23 | 71 |
IV.MMO1.EHZ. | 2020-10-21T21:43:21.53 | 0.1 | undecidable | manual | P | 50 | 17.2716 | 120 | -0.16 | 96 |
IV.NRCA.HHZ. | 2020-10-21T21:43:21.29 | 0.3 | undecidable | manual | S | 313 | 5.6943 | 150 | -0.37 | 70 |
IV.NRCA.HHZ. | 2020-10-21T21:43:20.03 | 0.1 | undecidable | manual | P | 313 | 5.6943 | 150 | 0.05 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.2 | 0.0002765 | 1.12 | AML | other | m | 2020-10-21T21:43:21.98 |
IV.NRCA.HHE. | ML:1.4 | 0.000393 | 0.28 | AML | other | m | 2020-10-21T21:43:21.54 |
IV.LNSS.HHE. | ML:1.1 | 0.00008115 | 0.22 | AML | other | m | 2020-10-21T21:43:27.02 |
IV.LNSS.HHN. | ML:1.1 | 0.00007605 | 0.18 | AML | other | m | 2020-10-21T21:43:27.18 |
IV.FDMO.HHE. | ML:0.7 | 0.00002615 | 0.2 | AML | other | m | 2020-10-21T21:43:27.65 |
IV.FDMO.HHN. | ML:0.8 | 0.0000309 | 0.16 | AML | other | m | 2020-10-21T21:43:28.68 |
IV.CESI.HHN. | ML:0.8 | 0.0000313 | 0.48 | AML | other | m | 2020-10-21T21:43:29.31 |
IV.CESI.HHE. | ML:0.6 | 0.000017899999999999998 | 0.96 | AML | other | m | 2020-10-21T21:43:29.15 |
IV.NRCA.HNE. | ML:1.3 | 0.00031962410000000005 | 0.0768 | AML | other | m | 2020-10-21T21:43:21.58 |
IV.NRCA.HNN. | ML:1.2 | 0.00022757395 | 0.0512 | AML | other | m | 2020-10-21T21:43:21.44 |
IV.CSP1.EHE. | ML:1.3 | 0.00008261143 | 0.3584 | AML | other | m | 2020-10-21T21:43:29.80 |
IV.CSP1.EHN. | ML:1.1 | 0.00005641449499999999 | 0.2176 | AML | other | m | 2020-10-21T21:43:30.09 |