A magnitude ML 0.5 earthquake occured in region: 1 km SE Ussita (MC), on
and geographic coordinates (lat, lon) 42.9400, 13.1460 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 | 1 | 444 | 444 |
Visso | MC | 5 | 1107 | 1551 |
Castelsantangelo sul Nera | MC | 5 | 281 | 1832 |
Bolognola | MC | 9 | 142 | 1974 |
Acquacanina | MC | 10 | 121 | 2095 |
Fiastra | MC | 11 | 559 | 2654 |
Preci | PG | 11 | 724 | 3378 |
Fiordimonte | MC | 12 | 202 | 3580 |
Monte Cavallo | MC | 13 | 145 | 3725 |
Pieve Torina | MC | 14 | 1458 | 5183 |
Pievebovigliana | MC | 15 | 866 | 6049 |
Montemonaco | AP | 15 | 604 | 6653 |
Montefortino | FM | 16 | 1178 | 7831 |
Sarnano | MC | 17 | 3264 | 11095 |
Norcia | PG | 17 | 4957 | 16052 |
Amandola | FM | 18 | 3629 | 19681 |
Muccia | MC | 18 | 915 | 20596 |
Sellano | PG | 19 | 1079 | 21675 |
Montegallo | AP | 19 | 523 | 22198 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.5 | 2020-07-22 21:05:40 |
42.9397 | 13.1463 | 6 | 2020-07-22 21:11:46 |
Sala Sismica INGV-Roma | 81256891 |
Field | Value |
---|---|
Time (UTC) | 2020-07-22 21:05:40 ± 0.22 |
Latitude | 42.9397 ± 0.0054 |
Longitude | 13.1463 ± 0.0086 |
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 | 81256891 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 807 |
Semi-minor axis of confidence ellipse (meter) | 269 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 233 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 810.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 131 |
Number of associated phases, regardless of their use for origin computation | 10 |
Number of defining phases | 10 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.22 |
Epicentral distance of station closest to the epicenter (degree) | 0.04227 |
Epicentral distance of station farthest from the epicenter (degree) | 0.21584 |
Number of stations at which the event was observed | 5 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 0.5 |
Uncertainty | 0.3 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 81256891 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-07-22 21:11:46 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MML1.HNE. | 2020-07-22T21:05:49.22 | 0.1 | undecidable | manual | S | 324 | 23.9538 | 105 | -0.04 | 100 |
IV.MML1.HNE. | 2020-07-22T21:05:46.02 | 0.1 | undecidable | manual | P | 324 | 23.9538 | 105 | 0.39 | 93 |
IV.MMO1.EHZ. | 2020-07-22T21:05:46.33 | 0.3 | undecidable | manual | S | 107 | 15.2736 | 112 | -0.09 | 75 |
IV.FDMO.HHZ. | 2020-07-22T21:05:45.03 | 0.3 | undecidable | manual | S | 336 | 11.7771 | 118 | -0.27 | 73 |
IV.NRCA.HHZ. | 2020-07-22T21:05:45.28 | 0.6 | undecidable | manual | S | 193 | 12.0768 | 118 | -0.11 | 50 |
IV.MMO1.EHZ. | 2020-07-22T21:05:43.83 | 1.0 | positive | manual | P | 107 | 15.2736 | 112 | -0.16 | 25 |
IV.FDMO.HHZ. | 2020-07-22T21:05:43.13 | 1.0 | undecidable | manual | P | 336 | 11.7771 | 118 | -0.21 | 25 |
IV.NRCA.HHZ. | 2020-07-22T21:05:43.27 | 0.3 | positive | manual | P | 193 | 12.0768 | 118 | -0.12 | 75 |
IV.MC2.EHZ. | 2020-07-22T21:05:43.66 | 0.3 | undecidable | manual | S | 132 | 4.6953 | 143 | 0.27 | 74 |
IV.MC2.EHZ. | 2020-07-22T21:05:42.09 | 1.0 | undecidable | manual | P | 132 | 4.6953 | 143 | -0.15 | 25 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.FDMO.HHE. | ML:0.2 | 0.000019549999999999997 | 1.42 | AML | other | m | 2020-07-22T21:05:46.76 |
IV.FDMO.HHN. | ML:0.2 | 0.00002225 | 1.36 | AML | other | m | 2020-07-22T21:05:46.17 |
IV.NRCA.HHE. | ML:0.7 | 0.00006915 | 0.12 | AML | other | m | 2020-07-22T21:05:46.24 |
IV.NRCA.HHN. | ML:0.8 | 0.0000835 | 0.1 | AML | other | m | 2020-07-22T21:05:46.32 |