A magnitude ML 1.0 earthquake occured in region: 3 km NW Ussita (MC), on
and geographic coordinates (lat, lon) 42.9590, 13.1120 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 |
---|---|---|---|---|
Ussita | MC | 3 | 444 | 444 |
Visso | MC | 4 | 1107 | 1551 |
Castelsantangelo sul Nera | MC | 8 | 281 | 1832 |
Fiordimonte | MC | 9 | 202 | 2034 |
Fiastra | MC | 9 | 559 | 2593 |
Acquacanina | MC | 10 | 121 | 2714 |
Monte Cavallo | MC | 10 | 145 | 2859 |
Bolognola | MC | 10 | 142 | 3001 |
Preci | PG | 11 | 724 | 3725 |
Pieve Torina | MC | 11 | 1458 | 5183 |
Pievebovigliana | MC | 12 | 866 | 6049 |
Muccia | MC | 15 | 915 | 6964 |
Sellano | PG | 17 | 1079 | 8043 |
Sarnano | MC | 18 | 3264 | 11307 |
Serravalle di Chienti | MC | 18 | 1070 | 12377 |
Norcia | PG | 19 | 4957 | 17334 |
Montemonaco | AP | 19 | 604 | 17938 |
Montefortino | FM | 19 | 1178 | 19116 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.0 | 2021-02-01 03:21:32 |
42.9587 | 13.1123 | 10 | 2021-02-01 03:35:18 |
Sala Sismica INGV-Roma | 86747731 |
Field | Value |
---|---|
Time (UTC) | 2021-02-01 03:21:32 ± 0.06 |
Latitude | 42.9587 ± 0.0027 |
Longitude | 13.1123 ± 0.0037 |
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 | 86747731 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 237 |
Semi-minor axis of confidence ellipse (meter) | 234 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 206 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 250.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 95 |
Number of associated phases, regardless of their use for origin computation | 26 |
Number of defining phases | 26 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.18 |
Epicentral distance of station closest to the epicenter (degree) | 0.04587 |
Epicentral distance of station farthest from the epicenter (degree) | 0.37052 |
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 | 1.0 |
Uncertainty | 0.1 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 86747731 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-02-01 03:35:18 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.EL6.EHZ. | 2021-02-01T03:21:46.36 | 0.6 | undecidable | manual | S | 359 | 41.1255 | 50 | 0.04 | 47 |
IV.ASSB.HHZ. | 2021-02-01T03:21:45.16 | 0.6 | undecidable | manual | S | 284 | 37.9287 | 50 | -0.31 | 45 |
IV.MF5.EHZ. | 2021-02-01T03:21:43.21 | 0.6 | undecidable | manual | S | 83 | 28.3494 | 50 | 0.3 | 46 |
IV.GUMA.HHE. | 2021-02-01T03:21:41.09 | 0.3 | undecidable | manual | S | 57 | 21.4674 | 114 | 0.41 | 68 |
IV.EL6.EHZ. | 2021-02-01T03:21:40.18 | 0.3 | undecidable | manual | P | 359 | 41.1255 | 50 | -0.31 | 67 |
IV.MML1.EHE. | 2021-02-01T03:21:40.26 | 0.6 | undecidable | manual | S | 326 | 20.6682 | 115 | -0.16 | 48 |
IV.ASSB.HHZ. | 2021-02-01T03:21:40.27 | 0.3 | undecidable | manual | P | 284 | 37.9287 | 50 | 0.26 | 68 |
IV.PF6.EHZ. | 2021-02-01T03:21:40.23 | 0.3 | undecidable | manual | S | 18 | 20.9679 | 114 | -0.3 | 70 |
IV.MMO1.EHZ. | 2021-02-01T03:21:39.49 | 0.3 | undecidable | manual | S | 111 | 18.6702 | 117 | -0.3 | 70 |
IV.CESI.HHZ. | 2021-02-01T03:21:39.48 | 0.6 | undecidable | manual | S | 287 | 17.6712 | 118 | -0.01 | 50 |
IV.CSP1.EHZ. | 2021-02-01T03:21:39.20 | 0.6 | undecidable | manual | S | 27 | 16.5723 | 120 | 0.03 | 50 |
IV.MF5.EHZ. | 2021-02-01T03:21:38.77 | 0.3 | undecidable | manual | P | 83 | 28.3494 | 50 | 0.24 | 70 |
IV.NRCA.HHZ. | 2021-02-01T03:21:38.23 | 0.6 | undecidable | manual | S | 179 | 13.875 | 124 | -0.14 | 49 |
IV.FDMO.HHZ. | 2021-02-01T03:21:37.06 | 0.3 | undecidable | manual | S | 347 | 8.88 | 137 | 0 | 76 |
IV.GUMA.HHE. | 2021-02-01T03:21:37.20 | 0.3 | undecidable | manual | P | 57 | 21.4674 | 114 | -0.04 | 74 |
IV.MML1.EHE. | 2021-02-01T03:21:37.05 | 0.1 | undecidable | manual | P | 326 | 20.6682 | 115 | -0.04 | 98 |
IT.MTCL.HGN. | 2021-02-01T03:21:37.28 | 0.6 | undecidable | manual | S | 293 | 9.9789 | 134 | -0.04 | 50 |
IV.PF6.EHZ. | 2021-02-01T03:21:36.97 | 0.1 | undecidable | manual | P | 18 | 20.9679 | 114 | -0.18 | 96 |
IV.FEMA.HNN. | 2021-02-01T03:21:36.57 | 0.6 | undecidable | manual | S | 274 | 5.0949 | 152 | 0.28 | 48 |
IV.CSP1.EHZ. | 2021-02-01T03:21:36.42 | 0.1 | undecidable | manual | P | 27 | 16.5723 | 120 | 0.05 | 99 |
IV.MMO1.EHZ. | 2021-02-01T03:21:36.58 | 0.1 | undecidable | manual | P | 111 | 18.6702 | 117 | -0.15 | 97 |
IV.CESI.HHZ. | 2021-02-01T03:21:36.54 | 0.1 | undecidable | manual | P | 287 | 17.6712 | 118 | -0.01 | 99 |
IV.NRCA.HHZ. | 2021-02-01T03:21:35.83 | 0.1 | undecidable | manual | P | 179 | 13.875 | 124 | -0.08 | 99 |
IT.MTCL.HGN. | 2021-02-01T03:21:35.35 | 0.1 | undecidable | manual | P | 293 | 9.9789 | 134 | 0.05 | 100 |
IV.FDMO.HHZ. | 2021-02-01T03:21:35.27 | 0.1 | undecidable | manual | P | 347 | 8.88 | 137 | 0.12 | 99 |
IV.FEMA.HNN. | 2021-02-01T03:21:34.97 | 0.1 | undecidable | manual | P | 274 | 5.0949 | 152 | 0.27 | 96 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.FDMO.HHE. | ML:1.1 | 0.000182 | 0.2 | AML | other | m | 2021-02-01T03:21:37.24 |
IV.FDMO.HHN. | ML:0.9 | 0.00011249999999999998 | 0.22 | AML | other | m | 2021-02-01T03:21:37.39 |
IV.NRCA.HHN. | ML:1.2 | 0.000147 | 0.74 | AML | other | m | 2021-02-01T03:21:39.40 |
IV.NRCA.HHE. | ML:1.0 | 0.00010415 | 0.6 | AML | other | m | 2021-02-01T03:21:39.50 |