A magnitude ML 0.4 earthquake occured in region: 5 km NW Visso (MC), on
and geographic coordinates (lat, lon) 42.9690, 13.0650 at 10 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 |
Ussita | MC | 7 | 444 | 1696 |
Fiordimonte | MC | 8 | 202 | 1898 |
Pieve Torina | MC | 9 | 1458 | 3356 |
Preci | PG | 10 | 724 | 4080 |
Pievebovigliana | MC | 11 | 866 | 4946 |
Fiastra | MC | 11 | 559 | 5505 |
Castelsantangelo sul Nera | MC | 11 | 281 | 5786 |
Acquacanina | MC | 11 | 121 | 5907 |
Muccia | MC | 13 | 915 | 6822 |
Bolognola | MC | 14 | 142 | 6964 |
Sellano | PG | 14 | 1079 | 8043 |
Serravalle di Chienti | MC | 15 | 1070 | 9113 |
Camerino | MC | 19 | 6974 | 16087 |
Norcia | PG | 20 | 4957 | 21044 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.4 | 2021-09-21 20:52:31 |
42.9692 | 13.0652 | 10 | 2021-09-21 21:07:12 |
Sala Sismica INGV-Roma | 95713791 |
Field | Value |
---|---|
Time (UTC) | 2021-09-21 20:52:31 ± 0.18 |
Latitude | 42.9692 ± 0.0036 |
Longitude | 13.0652 ± 0.0049 |
Depth (km) | 10 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 95713791 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 430 |
Semi-minor axis of confidence ellipse (meter) | 99 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 226 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 430.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 73 |
Number of associated phases, regardless of their use for origin computation | 17 |
Number of defining phases | 17 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.17 |
Epicentral distance of station closest to the epicenter (degree) | 0.01349 |
Epicentral distance of station farthest from the epicenter (degree) | 0.20415 |
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 | 0.4 |
Uncertainty | 0.2 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 95713791 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-09-21 21:07:12 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MMO1.EHZ. | 2021-09-21T20:52:39.46 | 0.3 | undecidable | manual | S | 110 | 22.6551 | 114 | -0.39 | 68 |
IV.MML1.EHZ. | 2021-09-21T20:52:38.13 | 0.3 | undecidable | manual | S | 335 | 17.6712 | 119 | -0.2 | 72 |
IV.CSP1.EHZ. | 2021-09-21T20:52:38.36 | 0.3 | undecidable | manual | S | 40 | 17.6712 | 119 | 0.03 | 74 |
IV.CESI.HHZ. | 2021-09-21T20:52:37.06 | 0.3 | undecidable | manual | S | 287 | 13.5753 | 126 | -0.07 | 74 |
IV.NRCA.HNE. | 2021-09-21T20:52:37.44 | 0.3 | undecidable | manual | S | 165 | 15.5733 | 123 | -0.25 | 71 |
IV.MC2.EHZ. | 2021-09-21T20:52:36.90 | 0.3 | undecidable | manual | S | 122 | 11.877 | 130 | 0.23 | 72 |
IV.MMO1.EHZ. | 2021-09-21T20:52:35.99 | 0.6 | positive | manual | P | 110 | 22.6551 | 114 | -0.23 | 47 |
IT.MTCL.HGE. | 2021-09-21T20:52:35.16 | 0.3 | undecidable | manual | S | 297 | 5.994 | 149 | -0.16 | 74 |
IV.NRCA.HNE. | 2021-09-21T20:52:35.25 | 0.3 | undecidable | manual | P | 165 | 15.5733 | 123 | 0.27 | 71 |
IV.FDMO.HHZ. | 2021-09-21T20:52:35.71 | 0.1 | undecidable | manual | S | 14 | 7.6812 | 142 | 0.07 | 100 |
IV.MML1.EHZ. | 2021-09-21T20:52:35.37 | 1.0 | undecidable | manual | P | 335 | 17.6712 | 119 | 0.02 | 25 |
IV.CSP1.EHZ. | 2021-09-21T20:52:35.47 | 1.0 | undecidable | manual | P | 40 | 17.6712 | 119 | 0.12 | 24 |
IV.MC2.EHZ. | 2021-09-21T20:52:34.59 | 0.6 | negative | manual | P | 122 | 11.877 | 130 | 0.2 | 48 |
IV.CESI.HHZ. | 2021-09-21T20:52:34.67 | 0.6 | positive | manual | P | 287 | 13.5753 | 126 | 0.02 | 50 |
IT.MTCL.HGE. | 2021-09-21T20:52:33.63 | 0.3 | undecidable | manual | P | 297 | 5.994 | 149 | 0.03 | 76 |
IV.FDMO.HHZ. | 2021-09-21T20:52:33.91 | 0.6 | negative | manual | P | 14 | 7.6812 | 142 | 0.11 | 50 |
IV.FEMA.HNE. | 2021-09-21T20:52:33.50 | 0.1 | undecidable | manual | P | 238 | 1.4985 | 172 | 0.21 | 98 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.FDMO.HHE. | ML:0.2 | 0.0000241 | 1.18 | AML | other | m | 2021-09-21T20:52:35.77 |
IV.FDMO.HHN. | ML:0.2 | 0.0000275 | 1.22 | AML | other | m | 2021-09-21T20:52:35.20 |
IV.CESI.HHN. | ML:0.5 | 0.000036500000000000006 | 0.32 | AML | other | m | 2021-09-21T20:52:37.46 |
IV.CESI.HHE. | ML:0.5 | 0.00003275 | 1.44 | AML | other | m | 2021-09-21T20:52:37.21 |