A magnitude ML 1.0 earthquake occured in region: 5 km W Visso (MC), on
and geographic coordinates (lat, lon) 42.9410, 13.0340 at 11 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 | 5 | 1107 | 1107 |
Monte Cavallo | MC | 7 | 145 | 1252 |
Preci | PG | 7 | 724 | 1976 |
Ussita | MC | 9 | 444 | 2420 |
Sellano | PG | 10 | 1079 | 3499 |
Castelsantangelo sul Nera | MC | 11 | 281 | 3780 |
Pieve Torina | MC | 12 | 1458 | 5238 |
Fiordimonte | MC | 12 | 202 | 5440 |
Pievebovigliana | MC | 14 | 866 | 6306 |
Fiastra | MC | 15 | 559 | 6865 |
Acquacanina | MC | 15 | 121 | 6986 |
Muccia | MC | 16 | 915 | 7901 |
Serravalle di Chienti | MC | 16 | 1070 | 8971 |
Cerreto di Spoleto | PG | 16 | 1075 | 10046 |
Bolognola | MC | 17 | 142 | 10188 |
Norcia | PG | 17 | 4957 | 15145 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.0 | 2021-04-09 18:19:47 |
42.9408 | 13.0335 | 11 | 2021-04-09 18:27:46 |
Sala Sismica INGV-Roma | 88947761 |
Field | Value |
---|---|
Time (UTC) | 2021-04-09 18:19:47 ± 0.06 |
Latitude | 42.9408 ± 0.0036 |
Longitude | 13.0335 ± 0.0061 |
Depth (km) | 11 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 88947761 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 530 |
Semi-minor axis of confidence ellipse (meter) | 269 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 66 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 530.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 102 |
Number of associated phases, regardless of their use for origin computation | 23 |
Number of defining phases | 12 |
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) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.31476 |
Number of stations at which the event was observed | 19 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.3 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 88947761 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-04-09 18:27:46 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ENIC.HHZ. | 2021-04-09T18:21:24.89 | 3.0 | negative | manual | Pg | 19.299999 | 0 | |||
RF.GEPF.HHZ. | 2021-04-09T18:21:17.02 | 3.0 | undecidable | manual | Sg | 16.16 | 0 | |||
IV.GIZZ.HHZ. | 2021-04-09T18:21:05.55 | 3.0 | positive | manual | Pg | 11.78 | 0 | |||
IV.SELL.HHZ. | 2021-04-09T18:20:55.02 | 3.0 | positive | manual | Pn | -1.11 | 0 | |||
IV.SBPO.HNZ. | 2021-04-09T18:20:42.74 | 3.0 | undecidable | manual | Sg | 2.39 | 0 | |||
IV.VOBA.EHZ. | 2021-04-09T18:20:31.76 | 3.0 | positive | manual | Pg | 8.67 | 0 | |||
IV.CIGN.HHZ. | 2021-04-09T18:20:15.93 | 3.0 | undecidable | manual | Pn | -0.2 | 0 | |||
IV.BRSN.EHZ. | 2021-04-09T18:20:07.99 | 3.0 | undecidable | manual | Sn | -5.95 | 0 | |||
IV.SEI.HHZ. | 2021-04-09T18:19:55.07 | 3.0 | negative | manual | P | -6.1 | 0 | |||
IV.MF5.EHZ. | 2021-04-09T18:19:54.36 | 0.6 | undecidable | manual | P | 81 | 34.9428 | 90 | -0.3 | 45 |
IV.FIR.HHZ. | 2021-04-09T18:19:54.89 | 3.0 | undecidable | manual | P | -5.11 | 0 | |||
IV.NRCA.HHZ. | 2021-04-09T18:19:53.88 | 0.6 | undecidable | manual | S | 151 | 13.5753 | 93 | -0.06 | 51 |
IV.GAVE.EHN. | 2021-04-09T18:19:53.86 | 0.1 | undecidable | manual | P | 202 | 29.8479 | 90 | -0.01 | 97 |
IV.CESI.HNZ. | 2021-04-09T18:19:53.57 | 0.6 | undecidable | manual | S | 304 | 12.6762 | 103 | -0.12 | 50 |
IV.FDMO.HHZ. | 2021-04-09T18:19:53.44 | 0.6 | undecidable | manual | S | 22 | 11.4774 | 111 | 0.05 | 50 |
IV.MML1.EHZ. | 2021-04-09T18:19:52.35 | 0.6 | undecidable | manual | P | 345 | 19.7691 | 90 | 0.03 | 50 |
IT.MTCL.HGE. | 2021-04-09T18:19:52.02 | 0.6 | undecidable | manual | S | 335 | 6.4935 | 139 | -0.29 | 49 |
IV.CSP1.EHZ. | 2021-04-09T18:19:52.74 | 1.0 | undecidable | manual | P | 40 | 21.7671 | 90 | 0.12 | 25 |
IV.CESI.HNZ. | 2021-04-09T18:19:51.32 | 0.3 | undecidable | manual | P | 304 | 12.6762 | 103 | 0.1 | 74 |
IV.FDMO.HHZ. | 2021-04-09T18:19:51.35 | 1.0 | undecidable | manual | P | 22 | 11.4774 | 111 | 0.31 | 24 |
IV.NRCA.HHZ. | 2021-04-09T18:19:51.44 | 0.1 | undecidable | manual | P | 151 | 13.5753 | 93 | 0.07 | 99 |
IT.MTCL.HGE. | 2021-04-09T18:19:50.52 | 0.1 | undecidable | manual | P | 335 | 6.4935 | 139 | 0.1 | 100 |
IV.APEC.HHZ. | 2021-04-09T18:19:47.77 | 3.0 | undecidable | manual | P | -1.17 | 0 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:0.4 | 0.000026110040000000002 | 0.0896 | AML | other | m | 2021-04-09T18:19:54.64 |
IV.NRCA.HHE. | ML:0.6 | 0.000041750000000000005 | 0.1 | AML | other | m | 2021-04-09T18:19:54.74 |
IV.NRCA.HNE. | ML:1.0 | 0.00010988597 | 0.6144 | AML | other | m | 2021-04-09T18:20:03.82 |
IV.NRCA.HNN. | ML:1.3 | 0.000193268125 | 1.1392 | AML | other | m | 2021-04-09T18:20:07.58 |
IV.CSP1.EHE. | ML:0.9 | 0.000053349555 | 1.344 | AML | other | m | 2021-04-09T18:20:09.27 |
IV.CSP1.EHN. | ML:0.9 | 0.000049557655000000005 | 0.9728 | AML | other | m | 2021-04-09T18:20:04.86 |
IV.MF5.EHE. | ML:1.3 | 0.00007503255000000001 | 2.0224 | AML | other | m | 2021-04-09T18:19:54.00 |
IV.MF5.EHN. | ML:1.2 | 0.0000600393 | 2.24 | AML | other | m | 2021-04-09T18:20:21.00 |