A magnitude ML 1.2 earthquake occured in region: 8 km W Nocera Umbra (PG), on
and geographic coordinates (lat, lon) 43.1210, 12.6930 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 |
---|---|---|---|---|
Nocera Umbra | PG | 8 | 5839 | 5839 |
Assisi | PG | 8 | 28299 | 34138 |
Valtopina | PG | 9 | 1398 | 35536 |
Valfabbrica | PG | 9 | 3389 | 38925 |
Bastia Umbra | PG | 13 | 21874 | 60799 |
Spello | PG | 14 | 8645 | 69444 |
Gualdo Tadino | PG | 14 | 15208 | 84652 |
Cannara | PG | 16 | 4305 | 88957 |
Foligno | PG | 18 | 57155 | 146112 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.2 | 2021-10-21 15:51:53 |
43.121 | 12.6933 | 10 | 2021-10-21 16:00:42 |
Sala Sismica INGV-Roma | 96850271 |
Field | Value |
---|---|
Time (UTC) | 2021-10-21 15:51:53 ± 0.07 |
Latitude | 43.1210 ± 0.0045 |
Longitude | 12.6933 ± 0.0062 |
Depth (km) | 10 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 96850271 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 567 |
Semi-minor axis of confidence ellipse (meter) | 103 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 45 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 570.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 100 |
Number of associated phases, regardless of their use for origin computation | 18 |
Number of defining phases | 18 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.25 |
Epicentral distance of station closest to the epicenter (degree) | 0.07464 |
Epicentral distance of station farthest from the epicenter (degree) | 0.51351 |
Number of stations at which the event was observed | 11 |
Number of stations from which data was used for origin computation | 11 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.2 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 96850271 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-10-21 16:00:42 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.NRCA.HHZ. | 2021-10-21T15:52:09.01 | 0.3 | undecidable | manual | S | 133 | 46.7199 | 50 | 0.35 | 66 |
IV.ATVA.EHE. | 2021-10-21T15:52:05.51 | 0.3 | undecidable | manual | S | 298 | 37.3293 | 50 | -0.64 | 62 |
IV.MMO1.EHZ. | 2021-10-21T15:52:04.36 | 0.3 | undecidable | manual | P | 115 | 56.9985 | 50 | 0.54 | 62 |
IV.PIEI.HHZ. | 2021-10-21T15:52:02.82 | 0.3 | undecidable | manual | P | 345 | 47.7189 | 50 | 0.43 | 65 |
IV.NRCA.HHZ. | 2021-10-21T15:52:02.11 | 0.1 | undecidable | manual | P | 133 | 46.7199 | 50 | -0.13 | 92 |
IV.CESI.HHZ. | 2021-10-21T15:52:01.50 | 0.3 | undecidable | manual | S | 127 | 21.4674 | 115 | -0.16 | 72 |
IV.FOSV.EHZ. | 2021-10-21T15:52:01.24 | 0.3 | undecidable | manual | S | 16 | 20.0688 | 116 | 0.02 | 74 |
IV.MML1.EHZ. | 2021-10-21T15:52:01.96 | 0.3 | undecidable | manual | S | 92 | 22.5552 | 114 | -0.05 | 73 |
IV.ATVA.EHE. | 2021-10-21T15:52:00.71 | 0.1 | undecidable | manual | P | 298 | 37.3293 | 50 | -0.08 | 95 |
IV.CESI.HHZ. | 2021-10-21T15:51:58.08 | 0.1 | undecidable | manual | P | 127 | 21.4674 | 115 | -0.12 | 97 |
IV.SNTG.HNZ. | 2021-10-21T15:51:58.56 | 0.1 | undecidable | manual | P | 53 | 24.9528 | 112 | -0.28 | 93 |
IV.ASSB.HHZ. | 2021-10-21T15:51:58.08 | 0.3 | undecidable | manual | S | 198 | 9.1797 | 137 | -0.06 | 75 |
IV.MML1.EHZ. | 2021-10-21T15:51:58.25 | 0.1 | undecidable | manual | P | 92 | 22.5552 | 114 | -0.15 | 96 |
IV.MURB.HHZ. | 2021-10-21T15:51:58.18 | 0.1 | undecidable | manual | P | 319 | 20.868 | 115 | 0.09 | 97 |
IV.ATCC.EHZ. | 2021-10-21T15:51:58.23 | 0.3 | undecidable | manual | S | 329 | 8.2806 | 140 | 0.28 | 72 |
IV.FOSV.EHZ. | 2021-10-21T15:51:57.84 | 0.1 | undecidable | manual | P | 16 | 20.0688 | 116 | -0.1 | 97 |
IV.ASSB.HHZ. | 2021-10-21T15:51:56.22 | 0.1 | undecidable | manual | P | 198 | 9.1797 | 137 | 0.06 | 100 |
IV.ATCC.EHZ. | 2021-10-21T15:51:56.24 | 0.1 | undecidable | manual | P | 329 | 8.2806 | 140 | 0.18 | 98 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.ASSB.HHN. | ML:1.2 | 0.0002105 | 0.22 | AML | other | m | 2021-10-21T15:51:58.29 |
IV.ATCC.EHE. | ML:1.5 | 0.00042249999999999997 | 0.12 | AML | other | m | 2021-10-21T15:51:58.46 |
IV.ATCC.EHN. | ML:1.4 | 0.00040050000000000003 | 0.36 | AML | other | m | 2021-10-21T15:51:58.44 |
IV.ASSB.HHE. | ML:1.3 | 0.000245 | 0.16 | AML | other | m | 2021-10-21T15:51:58.81 |
IV.FOSV.EHE. | ML:1.1 | 0.00008324999999999999 | 0.88 | AML | other | m | 2021-10-21T15:52:01.36 |
IV.FOSV.EHN. | ML:1.2 | 0.00010614999999999999 | 0.44 | AML | other | m | 2021-10-21T15:52:01.31 |
IV.CESI.HHN. | ML:1.0 | 0.00006934999999999999 | 1.5 | AML | other | m | 2021-10-21T15:52:02.07 |
IV.CESI.HHE. | ML:1.0 | 0.00006745 | 0.38 | AML | other | m | 2021-10-21T15:52:02.08 |
IV.MML1.EHN. | ML:1.1 | 0.0000735 | 0.54 | AML | other | m | 2021-10-21T15:52:02.51 |
IV.MURB.HHE. | ML:1.3 | 0.0001495 | 1.48 | AML | other | m | 2021-10-21T15:52:02.99 |
IV.MML1.EHE. | ML:1.4 | 0.0001795 | 0.52 | AML | other | m | 2021-10-21T15:52:02.11 |
IV.MURB.HHN. | ML:1.3 | 0.0001485 | 0.48 | AML | other | m | 2021-10-21T15:52:04.52 |