A magnitude ML 0.9 earthquake occured in region: 4 km E Preci (PG), on
and geographic coordinates (lat, lon) 42.8830, 13.0880 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 |
---|---|---|---|---|
Preci | PG | 4 | 724 | 724 |
Visso | MC | 5 | 1107 | 1831 |
Castelsantangelo sul Nera | MC | 6 | 281 | 2112 |
Ussita | MC | 8 | 444 | 2556 |
Norcia | PG | 10 | 4957 | 7513 |
Sellano | PG | 13 | 1079 | 8592 |
Monte Cavallo | MC | 14 | 145 | 8737 |
Cerreto di Spoleto | PG | 16 | 1075 | 9812 |
Bolognola | MC | 17 | 142 | 9954 |
Fiordimonte | MC | 17 | 202 | 10156 |
Acquacanina | MC | 18 | 121 | 10277 |
Fiastra | MC | 18 | 559 | 10836 |
Pieve Torina | MC | 18 | 1458 | 12294 |
Cascia | PG | 19 | 3217 | 15511 |
Montemonaco | AP | 20 | 604 | 16115 |
Pievebovigliana | MC | 20 | 866 | 16981 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.9 | 2021-12-08 09:30:06 |
42.8833 | 13.0882 | 11 | 2021-12-08 09:42:24 |
Sala Sismica INGV-Roma | 98285221 |
Field | Value |
---|---|
Time (UTC) | 2021-12-08 09:30:06 ± 0.2 |
Latitude | 42.8833 ± 0.0054 |
Longitude | 13.0882 ± 0.0061 |
Depth (km) | 11 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 98285221 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 636 |
Semi-minor axis of confidence ellipse (meter) | 273 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 35 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 640.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 153 |
Number of associated phases, regardless of their use for origin computation | 10 |
Number of defining phases | 10 |
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) | 0.05306 |
Epicentral distance of station farthest from the epicenter (degree) | 0.18076 |
Number of stations at which the event was observed | 5 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.1 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 98285221 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-12-08 09:42:24 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CESI.HHZ. | 2021-12-08T09:30:14.01 | 0.1 | undecidable | manual | S | 312 | 20.0688 | 118 | -0.03 | 98 |
IV.MMO1.EHZ. | 2021-12-08T09:30:13.61 | 0.6 | undecidable | manual | S | 85 | 19.4694 | 118 | -0.24 | 47 |
IV.FDMO.HHZ. | 2021-12-08T09:30:12.90 | 0.6 | undecidable | manual | S | 360 | 16.9719 | 122 | -0.21 | 48 |
IV.MC2.EHZ. | 2021-12-08T09:30:11.11 | 0.6 | undecidable | manual | S | 69 | 8.7801 | 140 | 0.18 | 49 |
IV.FDMO.HHZ. | 2021-12-08T09:30:10.17 | 0.1 | undecidable | manual | P | 360 | 16.9719 | 122 | 0 | 100 |
IV.NRCA.HHZ. | 2021-12-08T09:30:10.29 | 0.6 | undecidable | manual | S | 159 | 5.8941 | 151 | -0.08 | 50 |
IV.MMO1.EHZ. | 2021-12-08T09:30:10.52 | 0.1 | undecidable | manual | P | 85 | 19.4694 | 118 | -0.08 | 98 |
IV.CESI.HHZ. | 2021-12-08T09:30:10.77 | 0.1 | undecidable | manual | P | 312 | 20.0688 | 118 | 0.06 | 98 |
IV.MC2.EHZ. | 2021-12-08T09:30:09.22 | 0.1 | undecidable | manual | P | 69 | 8.7801 | 140 | 0.31 | 95 |
IV.NRCA.HHZ. | 2021-12-08T09:30:08.51 | 0.1 | undecidable | manual | P | 159 | 5.8941 | 151 | -0.08 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.0 | 0.000135 | 0.12 | AML | other | m | 2021-12-08T09:30:10.42 |
IV.NRCA.HHE. | ML:0.8 | 0.00008555 | 0.18 | AML | other | m | 2021-12-08T09:30:10.45 |