A magnitude ML 0.8 earthquake occured in region: 4 km W Visso (MC), on
and geographic coordinates (lat, lon) 42.9410, 13.0370 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 | 4 | 1107 | 1107 |
Monte Cavallo | MC | 7 | 145 | 1252 |
Preci | PG | 7 | 724 | 1976 |
Ussita | MC | 8 | 444 | 2420 |
Sellano | PG | 11 | 1079 | 3499 |
Castelsantangelo sul Nera | MC | 11 | 281 | 3780 |
Fiordimonte | MC | 12 | 202 | 3982 |
Pieve Torina | MC | 12 | 1458 | 5440 |
Pievebovigliana | MC | 14 | 866 | 6306 |
Fiastra | MC | 14 | 559 | 6865 |
Acquacanina | MC | 15 | 121 | 6986 |
Muccia | MC | 16 | 915 | 7901 |
Serravalle di Chienti | MC | 16 | 1070 | 8971 |
Bolognola | MC | 17 | 142 | 9113 |
Cerreto di Spoleto | PG | 17 | 1075 | 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 0.8 | 2020-09-20 18:38:35 |
42.941 | 13.0372 | 11 | 2020-09-20 18:46:19 |
Sala Sismica INGV-Roma | 83075551 |
Field | Value |
---|---|
Time (UTC) | 2020-09-20 18:38:35 ± 0.03 |
Latitude | 42.9410 ± 0.0018 |
Longitude | 13.0372 ± 0.0012 |
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 | 83075551 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 188 |
Semi-minor axis of confidence ellipse (meter) | 97 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 205 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 190.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 198 |
Number of associated phases, regardless of their use for origin computation | 20 |
Number of defining phases | 8 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.04 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.19425 |
Number of stations at which the event was observed | 15 |
Number of stations from which data was used for origin computation | 4 |
Field | Value |
---|---|
Value | 0.8 |
Uncertainty | 0.3 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 83075551 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-09-20 18:46:19 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ACATE.EHZ. | 2020-09-20T18:40:24.00 | 3.0 | undecidable | manual | Pg | 16.93 | 0 | |||
IV.CMPR.HHZ. | 2020-09-20T18:40:18.12 | 3.0 | undecidable | manual | Sg | 5.86 | 0 | |||
XK.GIZZ.HHZ. | 2020-09-20T18:39:52.41 | 3.0 | negative | manual | Pg | 4.25 | 0 | |||
CH.PLONS.HHZ. | 2020-09-20T18:39:40.04 | 3.0 | undecidable | manual | Pn | 2.68 | 0 | |||
IV.NDIM.HHZ. | 2020-09-20T18:39:34.15 | 3.0 | undecidable | manual | Sg | 1.92 | 0 | |||
IV.CMPR.HHZ. | 2020-09-20T18:39:33.11 | 3.0 | undecidable | manual | Pg | 5.64 | 0 | |||
IV.PCN.EHZ. | 2020-09-20T18:39:23.92 | 3.0 | positive | manual | Pg | 9 | 0 | |||
IV.VCRE.HHZ. | 2020-09-20T18:39:19.35 | 3.0 | negative | manual | Pg | 2.25 | 0 | |||
IV.EUCT.HNZ. | 2020-09-20T18:39:18.34 | 3.0 | undecidable | manual | Pn | -2.61 | 0 | |||
IV.FIR.HHZ. | 2020-09-20T18:39:06.77 | 3.0 | undecidable | manual | S | -4.77 | 0 | |||
IV.BRSN.EHZ. | 2020-09-20T18:39:03.08 | 3.0 | undecidable | manual | S | -3.9 | 0 | |||
IV.RONT.HHZ. | 2020-09-20T18:39:03.07 | 3.0 | undecidable | manual | S | -7.78 | 0 | |||
IV.CSP1.EHZ. | 2020-09-20T18:38:44.05 | 0.1 | undecidable | manual | S | 39 | 21.5673 | 50 | 0.02 | 98 |
IV.FDMO.HHZ. | 2020-09-20T18:38:41.19 | 0.1 | undecidable | manual | S | 21 | 11.3775 | 134 | -0.02 | 100 |
IV.MC2.EHZ. | 2020-09-20T18:38:41.58 | 0.1 | undecidable | manual | S | 105 | 12.7761 | 130 | 0 | 100 |
IV.CESI.HHZ. | 2020-09-20T18:38:41.58 | 0.1 | undecidable | manual | S | 303 | 12.876 | 130 | -0.03 | 99 |
IV.CSP1.EHZ. | 2020-09-20T18:38:40.49 | 0.1 | undecidable | manual | P | 39 | 21.5673 | 50 | -0.05 | 98 |
IV.CESI.HHZ. | 2020-09-20T18:38:39.17 | 0.1 | undecidable | manual | P | 303 | 12.876 | 130 | 0.03 | 99 |
IV.MC2.EHZ. | 2020-09-20T18:38:39.10 | 0.1 | undecidable | manual | P | 105 | 12.7761 | 130 | -0.02 | 100 |
IV.FDMO.HHZ. | 2020-09-20T18:38:38.96 | 0.1 | undecidable | manual | P | 21 | 11.3775 | 134 | 0.05 | 99 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.FDMO.HHN. | ML:0.6 | 0.00004105 | 0.2 | AML | other | m | 2020-09-20T18:38:41.26 |
IV.FDMO.HHE. | ML:0.6 | 0.000037749999999999996 | 0.42 | AML | other | m | 2020-09-20T18:38:41.86 |
IV.CESI.HHN. | ML:1.1 | 0.000128 | 0.12 | AML | other | m | 2020-09-20T18:38:41.88 |
IV.CESI.HHE. | ML:0.9 | 0.0000752 | 0.08 | AML | other | m | 2020-09-20T18:38:41.93 |