A magnitude ML 0.5 earthquake occured in region: 1 km NE Ussita (MC), on
and geographic coordinates (lat, lon) 42.9500, 13.1470 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 | 6 | 281 | 1832 |
Bolognola | MC | 8 | 142 | 1974 |
Acquacanina | MC | 9 | 121 | 2095 |
Fiastra | MC | 10 | 559 | 2654 |
Fiordimonte | MC | 11 | 202 | 2856 |
Preci | PG | 12 | 724 | 3580 |
Monte Cavallo | MC | 13 | 145 | 3725 |
Pieve Torina | MC | 13 | 1458 | 5183 |
Pievebovigliana | MC | 14 | 866 | 6049 |
Montemonaco | AP | 16 | 604 | 6653 |
Sarnano | MC | 16 | 3264 | 9917 |
Montefortino | FM | 16 | 1178 | 11095 |
Muccia | MC | 17 | 915 | 12010 |
Amandola | FM | 17 | 3629 | 15639 |
Norcia | PG | 18 | 4957 | 20596 |
Sellano | PG | 19 | 1079 | 21675 |
Montegallo | AP | 19 | 523 | 22198 |
Cessapalombo | MC | 20 | 512 | 22710 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.5 | 2020-12-16 21:13:17 |
42.9497 | 13.1467 | 6 | 2020-12-16 21:20:20 |
Sala Sismica INGV-Roma | 85480351 |
Field | Value |
---|---|
Time (UTC) | 2020-12-16 21:13:17 ± 0.06 |
Latitude | 42.9497 ± 0.0009 |
Longitude | 13.1467 ± 0.0012 |
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 | 85480351 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 140 |
Semi-minor axis of confidence ellipse (meter) | 11 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 60 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 140.0 |
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 | 12 |
Number of defining phases | 11 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.06 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.23203 |
Number of stations at which the event was observed | 7 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 0.5 |
Uncertainty | 0.1 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 85480351 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-12-16 21:20:20 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.FIAM.HHZ. | 2020-12-16T21:13:38.85 | 3.0 | undecidable | manual | S | 0.1 | 0 | |||
IV.CESI.HHZ. | 2020-12-16T21:13:25.28 | 0.3 | undecidable | manual | S | 287 | 20.5683 | 106 | 0.1 | 73 |
IV.MF5.EHZ. | 2020-12-16T21:13:23.15 | 1.0 | positive | manual | P | 80 | 25.752 | 103 | 0.11 | 24 |
IV.MMO1.EHZ. | 2020-12-16T21:13:23.60 | 0.6 | undecidable | manual | S | 111 | 15.6732 | 111 | 0.04 | 50 |
IV.CSP1.EHZ. | 2020-12-16T21:13:23.84 | 0.6 | undecidable | manual | S | 17 | 16.4724 | 110 | 0.02 | 50 |
IV.NRCA.HHZ. | 2020-12-16T21:13:22.73 | 0.3 | undecidable | manual | S | 192 | 13.1757 | 115 | -0.04 | 75 |
IV.MMO1.EHZ. | 2020-12-16T21:13:21.06 | 0.1 | undecidable | manual | P | 111 | 15.6732 | 111 | -0.04 | 99 |
IV.FDMO.HHZ. | 2020-12-16T21:13:21.97 | 0.3 | undecidable | manual | S | 333 | 10.7781 | 119 | -0.06 | 75 |
IV.CSP1.EHZ. | 2020-12-16T21:13:21.23 | 0.1 | undecidable | manual | P | 17 | 16.4724 | 110 | -0.02 | 99 |
IV.CESI.HHZ. | 2020-12-16T21:13:21.94 | 0.1 | undecidable | manual | P | 287 | 20.5683 | 106 | -0.1 | 97 |
IV.FDMO.HHZ. | 2020-12-16T21:13:20.24 | 0.1 | undecidable | manual | P | 333 | 10.7781 | 119 | 0.03 | 100 |
IV.NRCA.HHZ. | 2020-12-16T21:13:20.67 | 0.1 | undecidable | manual | P | 192 | 13.1757 | 115 | 0.03 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHE. | ML:0.5 | 0.00003795 | 1.52 | AML | other | m | 2020-12-16T21:13:23.00 |
IV.NRCA.HHN. | ML:0.4 | 0.0000309 | 1.38 | AML | other | m | 2020-12-16T21:13:24.01 |