A magnitude ML 1.1 earthquake occured in region: 4 km NW Visso (MC), on
and geographic coordinates (lat, lon) 42.9520, 13.0500 at 12 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 |
Monte Cavallo | MC | 6 | 145 | 1252 |
Ussita | MC | 7 | 444 | 1696 |
Preci | PG | 8 | 724 | 2420 |
Fiordimonte | MC | 10 | 202 | 2622 |
Pieve Torina | MC | 10 | 1458 | 4080 |
Castelsantangelo sul Nera | MC | 11 | 281 | 4361 |
Sellano | PG | 12 | 1079 | 5440 |
Pievebovigliana | MC | 13 | 866 | 6306 |
Fiastra | MC | 13 | 559 | 6865 |
Acquacanina | MC | 14 | 121 | 6986 |
Muccia | MC | 15 | 915 | 7901 |
Bolognola | MC | 15 | 142 | 8043 |
Serravalle di Chienti | MC | 16 | 1070 | 9113 |
Norcia | PG | 18 | 4957 | 14070 |
Cerreto di Spoleto | PG | 18 | 1075 | 15145 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2021-04-17 12:52:23 |
42.952 | 13.05 | 12 | 2021-04-17 12:58:33 |
Sala Sismica INGV-Roma | 89175881 |
Field | Value |
---|---|
Time (UTC) | 2021-04-17 12:52:23 ± 0.07 |
Latitude | 42.9520 ± 0.0027 |
Longitude | 13.0500 ± 0.0049 |
Depth (km) | 12 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 89175881 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 346 |
Semi-minor axis of confidence ellipse (meter) | 152 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 76 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 350.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 138 |
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) | 0.13 |
Epicentral distance of station closest to the epicenter (degree) | 0.00989 |
Epicentral distance of station farthest from the epicenter (degree) | 0.20954 |
Number of stations at which the event was observed | 9 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.2 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 89175881 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-04-17 12:58:33 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MMO1.EHZ. | 2021-04-17T12:52:32.37 | 0.6 | undecidable | manual | S | 104 | 23.2545 | 92 | -0.09 | 48 |
IV.CSP1.EHZ. | 2021-04-17T12:52:31.60 | 0.3 | undecidable | manual | S | 39 | 19.9689 | 93 | 0.02 | 73 |
IV.MML1.HNE. | 2021-04-17T12:52:31.21 | 0.6 | undecidable | manual | S | 341 | 18.9699 | 94 | -0.12 | 48 |
IV.NRCA.HHZ. | 2021-04-17T12:52:29.70 | 0.3 | undecidable | manual | S | 158 | 14.1747 | 104 | -0.35 | 69 |
IV.CESI.HHZ. | 2021-04-17T12:52:29.76 | 0.3 | undecidable | manual | S | 296 | 13.1757 | 108 | -0.03 | 74 |
IV.MC2.EHZ. | 2021-04-17T12:52:29.74 | 0.3 | undecidable | manual | S | 112 | 12.1767 | 113 | 0.2 | 72 |
IV.MMO1.EHZ. | 2021-04-17T12:52:28.81 | 0.6 | negative | manual | P | 104 | 23.2545 | 92 | 0.01 | 49 |
IV.MML1.HNE. | 2021-04-17T12:52:28.08 | 0.1 | undecidable | manual | P | 341 | 18.9699 | 94 | -0.07 | 97 |
IV.FDMO.HHZ. | 2021-04-17T12:52:28.83 | 0.1 | undecidable | manual | S | 18 | 9.879 | 124 | -0.17 | 96 |
IT.MTCL.HGN. | 2021-04-17T12:52:28.08 | 0.6 | undecidable | manual | S | 319 | 6.1938 | 142 | -0.21 | 48 |
IV.CSP1.EHZ. | 2021-04-17T12:52:28.37 | 0.1 | undecidable | manual | P | 39 | 19.9689 | 93 | 0.08 | 97 |
IV.CESI.HHZ. | 2021-04-17T12:52:27.38 | 0.6 | negative | manual | P | 296 | 13.1757 | 108 | 0.12 | 49 |
IV.FEMA.HNN. | 2021-04-17T12:52:27.92 | 0.6 | undecidable | manual | S | 359 | 1.0989 | 173 | 0.15 | 49 |
IV.MC2.EHZ. | 2021-04-17T12:52:27.40 | 1.0 | negative | manual | P | 112 | 12.1767 | 113 | 0.28 | 24 |
IV.NRCA.HHZ. | 2021-04-17T12:52:27.42 | 0.6 | undecidable | manual | P | 158 | 14.1747 | 104 | 0.02 | 49 |
IV.FEMA.HNN. | 2021-04-17T12:52:26.28 | 0.1 | undecidable | manual | P | 359 | 1.0989 | 173 | 0.19 | 98 |
IV.FDMO.HHZ. | 2021-04-17T12:52:26.88 | 0.6 | undecidable | manual | P | 18 | 9.879 | 124 | 0.08 | 49 |
IT.MTCL.HGN. | 2021-04-17T12:52:26.42 | 0.1 | undecidable | manual | P | 319 | 6.1938 | 142 | 0.03 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.FDMO.HHN. | ML:0.9 | 0.0000894 | 1.84 | AML | other | m | 2021-04-17T12:52:29.99 |
IV.FDMO.HHE. | ML:0.7 | 0.000052544855 | 0.0832 | AML | other | m | 2021-04-17T12:52:29.15 |
IV.CESI.HHN. | ML:1.3 | 0.00021349999999999999 | 0.12 | AML | other | m | 2021-04-17T12:52:30.02 |
IV.CESI.HHE. | ML:1.1 | 0.00011767625000000001 | 0.1024 | AML | other | m | 2021-04-17T12:52:30.02 |
IV.CESI.HNN. | ML:1.3 | 0.00020759260000000003 | 0.1216 | AML | other | m | 2021-04-17T12:52:30.03 |
IV.CESI.HNE. | ML:1.1 | 0.00013433610000000002 | 0.928 | AML | other | m | 2021-04-17T12:52:27.17 |
IV.CSP1.EHE. | ML:1.0 | 0.00007851363 | 0.1024 | AML | other | m | 2021-04-17T12:52:32.12 |
IV.CSP1.EHN. | ML:1.1 | 0.00008470479000000001 | 0.1984 | AML | other | m | 2021-04-17T12:52:32.50 |
IV.NRCA.HHE. | ML:0.8 | 0.00005357522 | 0.1024 | AML | other | m | 2021-04-17T12:52:29.94 |
IV.NRCA.HHN. | ML:0.8 | 0.000057174075000000004 | 0.1216 | AML | other | m | 2021-04-17T12:52:30.73 |
IV.NRCA.HNE. | ML:1.1 | 0.00011743721 | 0.5504 | AML | other | m | 2021-04-17T12:52:35.61 |
IV.NRCA.HNN. | ML:1.4 | 0.00021684335 | 0.7872 | AML | other | m | 2021-04-17T12:52:29.55 |