A magnitude Md 0.9 earthquake occured in region: 2 km NW Ussita (MC), on
and geographic coordinates (lat, lon) 42.9550, 13.1160 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 | 3 | 1107 | 1551 |
Castelsantangelo sul Nera | MC | 7 | 281 | 1832 |
Fiordimonte | MC | 9 | 202 | 2034 |
Fiastra | MC | 10 | 559 | 2593 |
Acquacanina | MC | 10 | 121 | 2714 |
Bolognola | MC | 10 | 142 | 2856 |
Monte Cavallo | MC | 10 | 145 | 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 |
Norcia | PG | 18 | 4957 | 16264 |
Montemonaco | AP | 18 | 604 | 16868 |
Montefortino | FM | 18 | 1178 | 18046 |
Serravalle di Chienti | MC | 19 | 1070 | 19116 |
Amandola | FM | 20 | 3629 | 22745 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
Md 0.9 | 2020-02-20 23:33:38 |
42.9553 | 13.1162 | 9 | 2020-02-20 23:39:46 |
Sala Sismica INGV-Roma | 76684651 |
Field | Value |
---|---|
Time (UTC) | 2020-02-20 23:33:38 ± 0.09 |
Latitude | 42.9553 ± 0.0018 |
Longitude | 13.1162 ± 0.0025 |
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 | 76684651 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 270 |
Semi-minor axis of confidence ellipse (meter) | 19 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 219 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 270.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 97 |
Number of associated phases, regardless of their use for origin computation | 16 |
Number of defining phases | 16 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.1 |
Epicentral distance of station closest to the epicenter (degree) | 0.04856 |
Epicentral distance of station farthest from the epicenter (degree) | 0.16368 |
Number of stations at which the event was observed | 8 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.1 |
Num. used stations | 5 |
Type of magnitude | Md |
Reference to an origin | 76684651 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-02-20 23:39:46 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MMO1.EHZ. | 2020-02-20T23:33:45.76 | 0.6 | undecidable | manual | S | 110 | 18.1707 | 116 | -0.16 | 48 |
IV.CSP1.EHZ. | 2020-02-20T23:33:45.45 | 0.6 | undecidable | manual | S | 25 | 16.7721 | 118 | -0.02 | 49 |
IV.CESI.HHZ. | 2020-02-20T23:33:45.84 | 0.6 | undecidable | manual | S | 288 | 18.0708 | 116 | -0.02 | 49 |
IV.NRCA.HNE. | 2020-02-20T23:33:44.35 | 0.6 | undecidable | manual | S | 181 | 13.4754 | 123 | -0.15 | 48 |
IT.MTCL.HGE. | 2020-02-20T23:33:43.54 | 0.6 | undecidable | manual | S | 294 | 10.3785 | 131 | -0.1 | 49 |
IV.MC2.EHZ. | 2020-02-20T23:33:43.16 | 0.6 | undecidable | manual | S | 129 | 7.6812 | 139 | 0.19 | 48 |
IV.FDMO.HHZ. | 2020-02-20T23:33:43.18 | 0.6 | undecidable | manual | S | 345 | 9.2796 | 134 | -0.17 | 48 |
IV.CESI.HHZ. | 2020-02-20T23:33:42.93 | 0.1 | positive | manual | P | 288 | 18.0708 | 116 | 0.02 | 99 |
IV.NRCA.HNE. | 2020-02-20T23:33:42.10 | 0.1 | undecidable | manual | P | 181 | 13.4754 | 123 | -0.03 | 99 |
IV.FEMA.HNE. | 2020-02-20T23:33:42.54 | 0.6 | undecidable | manual | S | 278 | 5.3946 | 149 | 0.03 | 50 |
IV.MMO1.EHZ. | 2020-02-20T23:33:42.87 | 0.6 | positive | manual | P | 110 | 18.1707 | 116 | -0.08 | 49 |
IV.CSP1.EHZ. | 2020-02-20T23:33:42.91 | 1.0 | undecidable | manual | P | 25 | 16.7721 | 118 | 0.22 | 24 |
IV.MC2.EHZ. | 2020-02-20T23:33:41.42 | 0.6 | negative | manual | P | 129 | 7.6812 | 139 | 0.18 | 49 |
IV.FDMO.HHZ. | 2020-02-20T23:33:41.49 | 0.6 | negative | manual | P | 345 | 9.2796 | 134 | 0.03 | 50 |
IT.MTCL.HGE. | 2020-02-20T23:33:41.62 | 0.1 | undecidable | manual | P | 294 | 10.3785 | 131 | -0.01 | 100 |
IV.FEMA.HNE. | 2020-02-20T23:33:41.12 | 0.1 | undecidable | manual | P | 278 | 5.3946 | 149 | 0.14 | 98 |