A magnitude ML 1.1 earthquake occured in region: 2 km SW Ussita (MC), on
and geographic coordinates (lat, lon) 42.9310, 13.1190 at 6 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 |
---|---|---|---|---|
Ussita | MC | 2 | 444 | 444 |
Visso | MC | 2 | 1107 | 1551 |
Castelsantangelo sul Nera | MC | 5 | 281 | 1832 |
Preci | PG | 9 | 724 | 2556 |
Bolognola | MC | 11 | 142 | 2698 |
Monte Cavallo | MC | 12 | 145 | 2843 |
Acquacanina | MC | 12 | 121 | 2964 |
Fiastra | MC | 12 | 559 | 3523 |
Fiordimonte | MC | 12 | 202 | 3725 |
Pieve Torina | MC | 14 | 1458 | 5183 |
Pievebovigliana | MC | 15 | 866 | 6049 |
Norcia | PG | 16 | 4957 | 11006 |
Sellano | PG | 16 | 1079 | 12085 |
Montemonaco | AP | 17 | 604 | 12689 |
Muccia | MC | 18 | 915 | 13604 |
Montefortino | FM | 18 | 1178 | 14782 |
Sarnano | MC | 19 | 3264 | 18046 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2021-10-21 11:31:26 |
42.9312 | 13.1192 | 6 | 2021-10-21 11:37:06 |
Sala Sismica INGV-Roma | 96842711 |
Field | Value |
---|---|
Time (UTC) | 2021-10-21 11:31:26 ± 0.21 |
Latitude | 42.9312 ± 0.0045 |
Longitude | 13.1192 ± 0.0074 |
Depth (km) | 6 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 96842711 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 600 |
Semi-minor axis of confidence ellipse (meter) | 257 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 238 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 600.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 113 |
Number of associated phases, regardless of their use for origin computation | 13 |
Number of defining phases | 13 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.2 |
Epicentral distance of station closest to the epicenter (degree) | 0.05486 |
Epicentral distance of station farthest from the epicenter (degree) | 0.25541 |
Number of stations at which the event was observed | 7 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.3 |
Num. used stations | 14 |
Type of magnitude | ML |
Reference to an origin | 96842711 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-10-21 11:37:06 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MML1.EHZ. | 2021-10-21T11:31:34.48 | 0.6 | undecidable | manual | S | 329 | 23.4543 | 105 | -0.08 | 48 |
IV.CSP1.EHZ. | 2021-10-21T11:31:33.13 | 0.6 | undecidable | manual | S | 21 | 19.1697 | 108 | 0.03 | 49 |
IV.CESI.HHZ. | 2021-10-21T11:31:33.10 | 0.6 | undecidable | manual | S | 295 | 19.2696 | 108 | -0.04 | 49 |
IV.MML1.EHZ. | 2021-10-21T11:31:31.53 | 0.1 | undecidable | manual | P | 329 | 23.4543 | 105 | 0.54 | 86 |
IV.MF5.EHZ. | 2021-10-21T11:31:31.80 | 0.6 | undecidable | manual | P | 77 | 28.3494 | 102 | -0.14 | 47 |
IV.NRCA.HHZ. | 2021-10-21T11:31:30.43 | 0.6 | undecidable | manual | S | 182 | 10.878 | 120 | -0.03 | 49 |
IV.CESI.HHZ. | 2021-10-21T11:31:30.02 | 0.3 | positive | manual | P | 295 | 19.2696 | 108 | -0.15 | 71 |
IV.FDMO.HHZ. | 2021-10-21T11:31:30.59 | 0.6 | undecidable | manual | S | 348 | 11.9769 | 118 | -0.21 | 48 |
IV.MC2.EHZ. | 2021-10-21T11:31:29.36 | 0.6 | undecidable | manual | S | 111 | 6.0939 | 136 | 0.21 | 48 |
IV.CSP1.EHZ. | 2021-10-21T11:31:29.86 | 0.6 | negative | manual | P | 21 | 19.1697 | 108 | -0.29 | 46 |
IV.NRCA.HHZ. | 2021-10-21T11:31:28.48 | 0.6 | undecidable | manual | P | 182 | 10.878 | 120 | -0.15 | 48 |
IV.FDMO.HHZ. | 2021-10-21T11:31:28.71 | 0.6 | undecidable | manual | P | 348 | 11.9769 | 118 | -0.11 | 49 |
IV.MC2.EHZ. | 2021-10-21T11:31:27.89 | 0.1 | negative | manual | P | 111 | 6.0939 | 136 | 0.02 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHE. | ML:1.3 | 0.00027420315 | 0.0768 | AML | other | m | 2021-10-21T11:31:30.57 |
IV.NRCA.HHN. | ML:1.1 | 0.00019402284999999998 | 0.1216 | AML | other | m | 2021-10-21T11:31:31.58 |
IV.NRCA.HNE. | ML:1.2 | 0.00024701945 | 0.0832 | AML | other | m | 2021-10-21T11:31:30.52 |
IV.NRCA.HNN. | ML:1.1 | 0.00019345052999999998 | 0.1216 | AML | other | m | 2021-10-21T11:31:31.57 |
IV.CSP1.EHE. | ML:1.1 | 0.00010902590500000001 | 0.2816 | AML | other | m | 2021-10-21T11:31:34.00 |
IV.CSP1.EHN. | ML:1.4 | 0.00019200705000000002 | 0.32 | AML | other | m | 2021-10-21T11:31:33.86 |
IV.CESI.HHE. | ML:0.7 | 0.000044298489999999995 | 0.2368 | AML | other | m | 2021-10-21T11:31:33.22 |
IV.CESI.HHN. | ML:1.2 | 0.00011989844999999999 | 0.1984 | AML | other | m | 2021-10-21T11:31:33.47 |
IV.CESI.HNE. | ML:1.0 | 0.0000770432 | 0.5248 | AML | other | m | 2021-10-21T11:31:33.35 |
IV.CESI.HNN. | ML:0.6 | 0.0000342610165 | 0.6208 | AML | other | m | 2021-10-21T11:31:32.98 |
IV.MML1.EHE. | ML:0.4 | 0.000017037877999999998 | 0.6784 | AML | other | m | 2021-10-21T11:31:34.94 |
IV.MML1.EHN. | ML:0.2 | 0.000012183053500000001 | 0.1408 | AML | other | m | 2021-10-21T11:31:34.49 |
IV.MML1.HNE. | ML:1.2 | 0.00011515775000000001 | 0.8832 | AML | other | m | 2021-10-21T11:31:36.03 |
IV.MML1.HNN. | ML:1.2 | 0.00010139684 | 1.4656 | AML | other | m | 2021-10-21T11:31:35.02 |