A magnitude ML 1.1 earthquake occured in region: 2 km N Ussita (MC), on
and geographic coordinates (lat, lon) 42.9610, 13.1370 at 9 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 | 5 | 1107 | 1551 |
Castelsantangelo sul Nera | MC | 7 | 281 | 1832 |
Bolognola | MC | 8 | 142 | 1974 |
Acquacanina | MC | 8 | 121 | 2095 |
Fiastra | MC | 9 | 559 | 2654 |
Fiordimonte | MC | 9 | 202 | 2856 |
Monte Cavallo | MC | 12 | 145 | 3001 |
Pieve Torina | MC | 12 | 1458 | 4459 |
Preci | PG | 12 | 724 | 5183 |
Pievebovigliana | MC | 12 | 866 | 6049 |
Muccia | MC | 16 | 915 | 6964 |
Sarnano | MC | 16 | 3264 | 10228 |
Montefortino | FM | 17 | 1178 | 11406 |
Montemonaco | AP | 17 | 604 | 12010 |
Amandola | FM | 18 | 3629 | 15639 |
Sellano | PG | 19 | 1079 | 16718 |
Norcia | PG | 19 | 4957 | 21675 |
Cessapalombo | MC | 19 | 512 | 22187 |
Serravalle di Chienti | MC | 19 | 1070 | 23257 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2021-02-28 22:35:34 |
42.9612 | 13.137 | 9 | 2021-02-28 23:12:59 |
Sala Sismica INGV-Roma | 87585021 |
Field | Value |
---|---|
Time (UTC) | 2021-02-28 22:35:34 ± 0.1 |
Latitude | 42.9612 ± 0.0036 |
Longitude | 13.1370 ± 0.0037 |
Depth (km) | 9 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 87585021 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 349 |
Semi-minor axis of confidence ellipse (meter) | 162 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 38 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 350.0 |
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 | 23 |
Number of defining phases | 23 |
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) | 0.06295 |
Epicentral distance of station farthest from the epicenter (degree) | 0.36872 |
Number of stations at which the event was observed | 12 |
Number of stations from which data was used for origin computation | 12 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.2 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 87585021 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-02-28 23:12:59 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.EL6.EHZ. | 2021-02-28T22:35:48.80 | 1.0 | undecidable | manual | S | 356 | 40.9257 | 50 | 0.24 | 23 |
IV.MF5.EHZ. | 2021-02-28T22:35:45.29 | 0.6 | undecidable | manual | S | 83 | 26.3514 | 108 | 1.04 | 36 |
IV.EL6.EHZ. | 2021-02-28T22:35:42.48 | 0.3 | undecidable | manual | P | 356 | 40.9257 | 50 | -0.19 | 70 |
IV.CESI.HHZ. | 2021-02-28T22:35:42.38 | 0.3 | undecidable | manual | S | 285 | 19.4694 | 114 | 0.37 | 70 |
IV.MML1.HNZ. | 2021-02-28T22:35:42.96 | 0.3 | undecidable | manual | S | 322 | 21.5673 | 112 | 0.27 | 71 |
IV.PF6.EHZ. | 2021-02-28T22:35:42.20 | 0.3 | undecidable | manual | S | 13 | 20.1687 | 113 | -0.03 | 75 |
IV.MMO1.EHZ. | 2021-02-28T22:35:41.08 | 0.3 | undecidable | manual | S | 114 | 16.872 | 117 | -0.12 | 74 |
IV.NRCA.HHZ. | 2021-02-28T22:35:40.54 | 0.3 | undecidable | manual | S | 187 | 14.2746 | 121 | 0.13 | 74 |
IV.CSP1.EHZ. | 2021-02-28T22:35:40.83 | 0.3 | undecidable | manual | S | 21 | 15.4734 | 119 | 0.05 | 75 |
IV.MF5.EHZ. | 2021-02-28T22:35:40.53 | 0.3 | undecidable | manual | P | 83 | 26.3514 | 108 | 0.35 | 69 |
IV.CESI.HHZ. | 2021-02-28T22:35:39.02 | 0.1 | undecidable | manual | P | 285 | 19.4694 | 114 | 0.13 | 98 |
IV.MML1.HNZ. | 2021-02-28T22:35:39.14 | 0.1 | undecidable | manual | P | 322 | 21.5673 | 112 | -0.14 | 97 |
IT.MTCL.HGZ. | 2021-02-28T22:35:39.64 | 0.3 | undecidable | manual | S | 288 | 11.7771 | 126 | -0.04 | 76 |
IV.CSP1.EHZ. | 2021-02-28T22:35:38.07 | 0.1 | undecidable | manual | P | 21 | 15.4734 | 119 | -0.11 | 99 |
IV.FDMO.HHZ. | 2021-02-28T22:35:38.82 | 0.3 | undecidable | manual | S | 334 | 9.2796 | 133 | -0.2 | 74 |
IV.MMO1.EHZ. | 2021-02-28T22:35:38.22 | 0.3 | undecidable | manual | P | 114 | 16.872 | 117 | -0.2 | 73 |
IV.PF6.EHZ. | 2021-02-28T22:35:38.87 | 0.6 | undecidable | manual | P | 13 | 20.1687 | 113 | -0.15 | 49 |
IV.FEMA.HNZ. | 2021-02-28T22:35:38.61 | 0.3 | undecidable | manual | S | 271 | 7.0929 | 141 | 0.11 | 75 |
IT.MTCL.HGZ. | 2021-02-28T22:35:37.47 | 0.3 | undecidable | manual | P | 288 | 11.7771 | 126 | -0.08 | 75 |
IV.NRCA.HHZ. | 2021-02-28T22:35:37.90 | 0.1 | undecidable | manual | P | 187 | 14.2746 | 121 | -0.07 | 100 |
IV.FEMA.HNZ. | 2021-02-28T22:35:36.81 | 0.3 | undecidable | manual | P | 271 | 7.0929 | 141 | -0.05 | 76 |
IV.FDMO.HHZ. | 2021-02-28T22:35:36.98 | 0.1 | undecidable | manual | P | 334 | 9.2796 | 133 | -0.19 | 98 |
IV.MC2.EHZ. | 2021-02-28T22:35:36.65 | 0.1 | undecidable | manual | P | 143 | 6.993 | 141 | -0.19 | 99 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.FDMO.HHN. | ML:1.2 | 0.000203 | 0.24 | AML | other | m | 2021-02-28T22:35:39.15 |
IV.FDMO.HHE. | ML:1.0 | 0.00014500000000000003 | 0.16 | AML | other | m | 2021-02-28T22:35:39.19 |
IV.NRCA.HHN. | ML:1.1 | 0.0001305 | 0.2 | AML | other | m | 2021-02-28T22:35:40.85 |
IV.NRCA.HHE. | ML:1.3 | 0.000193 | 1.9 | AML | other | m | 2021-02-28T22:35:40.02 |
IV.CESI.HHN. | ML:0.8 | 0.000055849999999999996 | 0.22 | AML | other | m | 2021-02-28T22:35:42.62 |
IV.CESI.HHE. | ML:0.6 | 0.000033805335 | 0.32 | AML | other | m | 2021-02-28T22:35:43.80 |
IV.NRCA.HNE. | ML:1.3 | 0.000209069 | 0.128 | AML | other | m | 2021-02-28T22:35:41.08 |
IV.NRCA.HNN. | ML:1.2 | 0.00017327575500000002 | 1.3696 | AML | other | m | 2021-02-28T22:35:41.16 |
IV.CSP1.EHE. | ML:0.9 | 0.000069595515 | 0.3456 | AML | other | m | 2021-02-28T22:35:40.79 |
IV.CSP1.EHN. | ML:1.0 | 0.000099470855 | 0.2944 | AML | other | m | 2021-02-28T22:35:42.62 |
IV.EL6.EHE. | ML:1.2 | 0.000056309 | 1.7408 | AML | other | m | 2021-02-28T22:35:49.57 |
IV.EL6.EHN. | ML:1.0 | 0.000030242812500000002 | 1.7024 | AML | other | m | 2021-02-28T22:35:49.09 |