A magnitude Md 1.1 earthquake occured in region: 4 km N Visso (MC), on
and geographic coordinates (lat, lon) 42.9700, 13.0980 at 8 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 |
---|---|---|---|---|
Visso | MC | 4 | 1107 | 1107 |
Ussita | MC | 4 | 444 | 1551 |
Fiordimonte | MC | 8 | 202 | 1753 |
Monte Cavallo | MC | 8 | 145 | 1898 |
Fiastra | MC | 9 | 559 | 2457 |
Pieve Torina | MC | 9 | 1458 | 3915 |
Acquacanina | MC | 9 | 121 | 4036 |
Castelsantangelo sul Nera | MC | 10 | 281 | 4317 |
Pievebovigliana | MC | 10 | 866 | 5183 |
Bolognola | MC | 11 | 142 | 5325 |
Preci | PG | 11 | 724 | 6049 |
Muccia | MC | 13 | 915 | 6964 |
Serravalle di Chienti | MC | 16 | 1070 | 8034 |
Sellano | PG | 17 | 1079 | 9113 |
Sarnano | MC | 18 | 3264 | 12377 |
Camerino | MC | 19 | 6974 | 19351 |
Norcia | PG | 20 | 4957 | 24308 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
Md 1.1 | 2021-02-21 08:45:20 |
42.97 | 13.0978 | 8 | 2021-02-21 08:59:39 |
Sala Sismica INGV-Roma | 87353921 |
Field | Value |
---|---|
Time (UTC) | 2021-02-21 08:45:20 ± 0.35 |
Latitude | 42.9700 ± 0.0063 |
Longitude | 13.0978 ± 0.0135 |
Depth (km) | 8 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 87353921 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1011 |
Semi-minor axis of confidence ellipse (meter) | 707 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 58 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1010.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 222 |
Number of associated phases, regardless of their use for origin computation | 13 |
Number of defining phases | 10 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.25 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.26530 |
Number of stations at which the event was observed | 8 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.1 |
Num. used stations | 5 |
Type of magnitude | Md |
Reference to an origin | 87353921 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-02-21 08:59:39 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MF5.EHZ. | 2021-02-21T08:45:30.99 | 0.3 | undecidable | manual | S | 86 | 29.4483 | 105 | 0.36 | 71 |
IV.MMO1.EHE. | 2021-02-21T08:45:27.20 | 0.3 | undecidable | manual | S | 113 | 20.1687 | 111 | -0.37 | 72 |
IV.GUMA.HHE. | 2021-02-21T08:45:27.18 | 3.0 | negative | manual | P | 0.53 | 0 | |||
IV.MF5.EHZ. | 2021-02-21T08:45:26.27 | 0.1 | undecidable | manual | P | 86 | 29.4483 | 105 | 0.1 | 100 |
IV.CSP1.EHN. | 2021-02-21T08:45:26.19 | 0.3 | undecidable | manual | S | 33 | 16.0728 | 115 | -0.07 | 77 |
IV.MMO1.EHE. | 2021-02-21T08:45:24.06 | 0.1 | undecidable | manual | P | 113 | 20.1687 | 111 | -0.34 | 96 |
IV.MC2.EHE. | 2021-02-21T08:45:24.49 | 0.3 | undecidable | manual | S | 131 | 9.879 | 128 | 0.08 | 78 |
IV.CSP1.EHN. | 2021-02-21T08:45:23.60 | 0.3 | undecidable | manual | P | 33 | 16.0728 | 115 | -0.05 | 78 |
IV.FDMO.HHZ. | 2021-02-21T08:45:23.70 | 0.3 | undecidable | manual | S | 353 | 7.3815 | 136 | -0.08 | 78 |
IV.MC2.EHE. | 2021-02-21T08:45:22.85 | 0.1 | undecidable | manual | P | 131 | 9.879 | 128 | 0.27 | 100 |
IV.FDMO.HHZ. | 2021-02-21T08:45:22.35 | 0.6 | undecidable | manual | P | 353 | 7.3815 | 136 | 0.13 | 52 |
IV.PE3.EHZ. | 2021-02-21T08:45:20.92 | 3.0 | negative | manual | P | -0.04 | 0 | |||
IV.ASSB.HHN. | 2021-02-21T08:45:18.82 | 3.0 | negative | manual | P | -1.02 | 0 |