A magnitude ML 1.1 earthquake occured in region: 5 km W Visso (MC), on
and geographic coordinates (lat, lon) 42.9520, 13.0400 at 7 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 | 6 | 145 | 1252 |
Preci | PG | 8 | 724 | 1976 |
Ussita | MC | 8 | 444 | 2420 |
Fiordimonte | MC | 10 | 202 | 2622 |
Pieve Torina | MC | 10 | 1458 | 4080 |
Castelsantangelo sul Nera | MC | 11 | 281 | 4361 |
Sellano | PG | 11 | 1079 | 5440 |
Pievebovigliana | MC | 13 | 866 | 6306 |
Fiastra | MC | 13 | 559 | 6865 |
Acquacanina | MC | 14 | 121 | 6986 |
Muccia | MC | 15 | 915 | 7901 |
Serravalle di Chienti | MC | 15 | 1070 | 8971 |
Bolognola | MC | 16 | 142 | 9113 |
Cerreto di Spoleto | PG | 18 | 1075 | 10188 |
Norcia | PG | 18 | 4957 | 15145 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2021-02-04 22:06:18 |
42.9518 | 13.0395 | 7 | 2021-02-04 22:21:19 |
Sala Sismica INGV-Roma | 86837391 |
Field | Value |
---|---|
Time (UTC) | 2021-02-04 22:06:18 ± 0.18 |
Latitude | 42.9518 ± 0.0045 |
Longitude | 13.0395 ± 0.0061 |
Depth (km) | 7 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 86837391 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 549 |
Semi-minor axis of confidence ellipse (meter) | 71 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 28 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 550.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 143 |
Number of associated phases, regardless of their use for origin computation | 18 |
Number of defining phases | 17 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.21 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.37951 |
Number of stations at which the event was observed | 10 |
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 | 86837391 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-02-04 22:21:19 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MF5.EHZ. | 2021-02-04T22:06:30.98 | 0.6 | undecidable | manual | S | 83 | 34.3434 | 102 | 0.62 | 42 |
IV.GUMA.HHZ. | 2021-02-04T22:06:28.39 | 0.6 | undecidable | manual | S | 63 | 26.9508 | 105 | 0.52 | 44 |
IV.EL6.EHZ. | 2021-02-04T22:06:26.32 | 1.0 | positive | manual | P | 7 | 42.1245 | 50 | -0.29 | 23 |
IV.MMO1.EHZ. | 2021-02-04T22:06:26.53 | 0.6 | undecidable | manual | S | 104 | 24.0537 | 107 | -0.37 | 46 |
IV.CSP1.EHZ. | 2021-02-04T22:06:25.53 | 0.6 | undecidable | manual | S | 41 | 20.4684 | 109 | -0.2 | 48 |
IV.MF5.EHZ. | 2021-02-04T22:06:25.22 | 1.0 | positive | manual | P | 83 | 34.3434 | 102 | 0 | 25 |
IV.ASSB.HHZ. | 2021-02-04T22:06:24.48 | 3.0 | negative | manual | P | -0.14 | 0 | |||
IV.MC2.EHZ. | 2021-02-04T22:06:23.48 | 0.6 | undecidable | manual | S | 110 | 12.9759 | 119 | 0.15 | 49 |
IV.CESI.HHZ. | 2021-02-04T22:06:23.47 | 0.6 | undecidable | manual | S | 298 | 12.3765 | 120 | 0.3 | 48 |
IV.NRCA.HHZ. | 2021-02-04T22:06:23.72 | 0.6 | undecidable | manual | S | 155 | 14.4744 | 116 | -0.07 | 50 |
IV.GUMA.HHZ. | 2021-02-04T22:06:23.89 | 0.6 | negative | manual | P | 63 | 26.9508 | 105 | 0.12 | 49 |
IV.FDMO.HHZ. | 2021-02-04T22:06:22.10 | 0.6 | undecidable | manual | S | 22 | 10.1787 | 125 | -0.4 | 47 |
IV.CSP1.EHZ. | 2021-02-04T22:06:22.33 | 1.0 | positive | manual | P | 41 | 20.4684 | 109 | -0.21 | 24 |
IV.MMO1.EHZ. | 2021-02-04T22:06:22.86 | 1.0 | undecidable | manual | P | 104 | 24.0537 | 107 | -0.36 | 23 |
IV.NRCA.HHZ. | 2021-02-04T22:06:21.35 | 0.3 | positive | manual | P | 155 | 14.4744 | 116 | -0.07 | 75 |
IV.MC2.EHZ. | 2021-02-04T22:06:21.15 | 1.0 | negative | manual | P | 110 | 12.9759 | 119 | 0 | 25 |
IV.CESI.HHZ. | 2021-02-04T22:06:21.16 | 0.1 | positive | manual | P | 298 | 12.3765 | 120 | 0.09 | 100 |
IV.FDMO.HHZ. | 2021-02-04T22:06:20.44 | 0.6 | positive | manual | P | 22 | 10.1787 | 125 | -0.24 | 49 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.FDMO.HHN. | ML:0.9 | 0.0001145 | 0.18 | AML | other | m | 2021-02-04T22:06:22.43 |
IV.FDMO.HHE. | ML:1.0 | 0.000145 | 0.3 | AML | other | m | 2021-02-04T22:06:22.53 |
IV.CESI.HHN. | ML:1.2 | 0.00020050000000000002 | 0.22 | AML | other | m | 2021-02-04T22:06:23.93 |
IV.NRCA.HHN. | ML:1.2 | 0.0001715 | 0.14 | AML | other | m | 2021-02-04T22:06:24.43 |
IV.CESI.HHE. | ML:0.9 | 0.000088 | 1.32 | AML | other | m | 2021-02-04T22:06:24.00 |
IV.NRCA.HHE. | ML:1.2 | 0.000155 | 0.74 | AML | other | m | 2021-02-04T22:06:25.50 |
IV.CSP1.EHE. | ML:1.2 | 0.00013355 | 0.52 | AML | other | m | 2021-02-04T22:06:27.34 |
IV.CSP1.EHN. | ML:1.2 | 0.000131 | 1.56 | AML | other | m | 2021-02-04T22:06:27.89 |
IV.GUMA.HHN. | ML:1.6 | 0.0002045 | 0.2 | AML | other | m | 2021-02-04T22:06:28.60 |
IV.ASSB.HHN. | ML:1.0 | 0.0000393 | 0.18 | AML | other | m | 2021-02-04T22:06:29.76 |
IV.GUMA.HHE. | ML:1.3 | 0.000111 | 1.12 | AML | other | m | 2021-02-04T22:06:29.23 |
IV.ASSB.HHE. | ML:1.0 | 0.00004305 | 1.34 | AML | other | m | 2021-02-04T22:06:30.86 |