A magnitude ML 0.8 earthquake occured in region: 2 km E Ussita (MC), on
and geographic coordinates (lat, lon) 42.9530, 13.1590 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 | 6 | 1107 | 1551 |
Castelsantangelo sul Nera | MC | 6 | 281 | 1832 |
Bolognola | MC | 7 | 142 | 1974 |
Acquacanina | MC | 9 | 121 | 2095 |
Fiastra | MC | 9 | 559 | 2654 |
Fiordimonte | MC | 11 | 202 | 2856 |
Preci | PG | 13 | 724 | 3580 |
Pieve Torina | MC | 14 | 1458 | 5038 |
Monte Cavallo | MC | 14 | 145 | 5183 |
Pievebovigliana | MC | 14 | 866 | 6049 |
Sarnano | MC | 15 | 3264 | 9313 |
Montemonaco | AP | 15 | 604 | 9917 |
Montefortino | FM | 15 | 1178 | 11095 |
Amandola | FM | 16 | 3629 | 14724 |
Muccia | MC | 17 | 915 | 15639 |
Norcia | PG | 19 | 4957 | 20596 |
Montegallo | AP | 19 | 523 | 21119 |
Cessapalombo | MC | 19 | 512 | 21631 |
Gualdo | MC | 19 | 815 | 22446 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.8 | 2021-10-31 01:00:34 |
42.9532 | 13.1593 | 6 | 2021-10-31 01:04:48 |
Sala Sismica INGV-Roma | 97100241 |
Field | Value |
---|---|
Time (UTC) | 2021-10-31 01:00:34 ± 0.1 |
Latitude | 42.9532 ± 0.0027 |
Longitude | 13.1593 ± 0.0025 |
Depth (km) | 6 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 97100241 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 259 |
Semi-minor axis of confidence ellipse (meter) | 82 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 43 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 260.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 81 |
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) | 0.14 |
Epicentral distance of station closest to the epicenter (degree) | 0.04676 |
Epicentral distance of station farthest from the epicenter (degree) | 0.22213 |
Number of stations at which the event was observed | 10 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 0.8 |
Uncertainty | 0.2 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 97100241 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-10-31 01:04:48 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CESI.HHZ. | 2021-10-31T01:00:43.04 | 0.1 | undecidable | manual | S | 286 | 21.4674 | 106 | 0.31 | 95 |
IV.CSP1.EHZ. | 2021-10-31T01:00:41.00 | 0.1 | undecidable | manual | S | 13 | 15.873 | 111 | 0.13 | 99 |
IV.NRCA.HHZ. | 2021-10-31T01:00:40.24 | 0.3 | undecidable | manual | S | 195 | 13.7751 | 114 | 0.03 | 76 |
IV.MF5.EHZ. | 2021-10-31T01:00:40.58 | 1.0 | negative | manual | P | 81 | 24.6531 | 104 | 0.5 | 23 |
IV.MMO1.EHZ. | 2021-10-31T01:00:40.65 | 0.3 | undecidable | manual | S | 114 | 14.874 | 112 | 0.09 | 75 |
IT.MTCL.HGZ. | 2021-10-31T01:00:40.12 | 0.3 | undecidable | manual | S | 289 | 13.7751 | 114 | -0.08 | 75 |
IV.CESI.HHZ. | 2021-10-31T01:00:39.36 | 0.6 | positive | manual | P | 286 | 21.4674 | 106 | -0.1 | 49 |
IV.MML1.EHZ. | 2021-10-31T01:00:39.64 | 0.6 | negative | manual | P | 320 | 23.4543 | 104 | -0.2 | 48 |
IV.FDMO.HHZ. | 2021-10-31T01:00:39.25 | 0.3 | undecidable | manual | S | 328 | 10.9779 | 119 | -0.08 | 76 |
IV.FEMA.HNZ. | 2021-10-31T01:00:38.87 | 0.3 | undecidable | manual | S | 276 | 8.9799 | 124 | 0.13 | 75 |
IV.MMO1.EHZ. | 2021-10-31T01:00:38.24 | 0.6 | positive | manual | P | 114 | 14.874 | 112 | 0.03 | 51 |
IV.CSP1.EHZ. | 2021-10-31T01:00:38.30 | 0.1 | undecidable | manual | P | 13 | 15.873 | 111 | -0.09 | 100 |
IV.FDMO.HHZ. | 2021-10-31T01:00:37.37 | 0.1 | undecidable | manual | P | 328 | 10.9779 | 119 | -0.13 | 100 |
IV.NRCA.HHZ. | 2021-10-31T01:00:37.93 | 0.6 | positive | manual | P | 195 | 13.7751 | 114 | -0.07 | 50 |
IV.MC2.EHZ. | 2021-10-31T01:00:37.66 | 0.3 | undecidable | manual | S | 152 | 5.1948 | 139 | -0.1 | 76 |
IT.MTCL.HGZ. | 2021-10-31T01:00:37.88 | 0.1 | undecidable | manual | P | 289 | 13.7751 | 114 | -0.12 | 100 |
IV.FEMA.HNZ. | 2021-10-31T01:00:37.16 | 0.3 | undecidable | manual | P | 276 | 8.9799 | 124 | 0 | 77 |
IV.MC2.EHZ. | 2021-10-31T01:00:36.55 | 0.3 | negative | manual | P | 152 | 5.1948 | 139 | -0.04 | 77 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.FDMO.HHN. | ML:0.7 | 0.00007195 | 0.24 | AML | other | m | 2021-10-31T01:00:40.00 |
IV.FDMO.HHE. | ML:0.6 | 0.0000608 | 0.16 | AML | other | m | 2021-10-31T01:00:40.39 |
IV.NRCA.HHE. | ML:1.1 | 0.00015300000000000003 | 1.04 | AML | other | m | 2021-10-31T01:00:40.86 |
IV.NRCA.HHN. | ML:0.9 | 0.00010125000000000001 | 0.14 | AML | other | m | 2021-10-31T01:00:41.42 |
IV.MF5.EHE. | ML:0.8 | 0.0000445 | 0.24 | AML | other | m | 2021-10-31T01:00:45.52 |
IV.MF5.EHN. | ML:0.8 | 0.000038900000000000004 | 0.42 | AML | other | m | 2021-10-31T01:00:54.12 |