A magnitude ML 0.8 earthquake occured in region: 3 km E Preci (PG), on
and geographic coordinates (lat, lon) 42.8690, 13.0790 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 |
---|---|---|---|---|
Preci | PG | 3 | 724 | 724 |
Castelsantangelo sul Nera | MC | 7 | 281 | 1005 |
Visso | MC | 7 | 1107 | 2112 |
Norcia | PG | 9 | 4957 | 7069 |
Ussita | MC | 10 | 444 | 7513 |
Sellano | PG | 13 | 1079 | 8592 |
Cerreto di Spoleto | PG | 14 | 1075 | 9667 |
Monte Cavallo | MC | 15 | 145 | 9812 |
Cascia | PG | 18 | 3217 | 13029 |
Bolognola | MC | 19 | 142 | 13171 |
Fiordimonte | MC | 19 | 202 | 13373 |
Acquacanina | MC | 20 | 121 | 13494 |
Fiastra | MC | 20 | 559 | 14053 |
Pieve Torina | MC | 20 | 1458 | 15511 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.8 | 2021-08-03 23:49:47 |
42.869 | 13.0787 | 10 | 2021-08-03 23:56:07 |
Sala Sismica INGV-Roma | 93641991 |
Field | Value |
---|---|
Time (UTC) | 2021-08-03 23:49:47 ± 0.07 |
Latitude | 42.8690 ± 0.0036 |
Longitude | 13.0787 ± 0.0061 |
Depth (km) | 10 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 93641991 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 560 |
Semi-minor axis of confidence ellipse (meter) | 366 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 235 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 560.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 156 |
Number of associated phases, regardless of their use for origin computation | 15 |
Number of defining phases | 15 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.18 |
Epicentral distance of station closest to the epicenter (degree) | 0.04407 |
Epicentral distance of station farthest from the epicenter (degree) | 0.45775 |
Number of stations at which the event was observed | 10 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 0.8 |
Uncertainty | 0.4 |
Num. used stations | 14 |
Type of magnitude | ML |
Reference to an origin | 93641991 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-08-03 23:56:07 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CSP1.EHZ. | 2021-08-03T23:49:57.33 | 0.3 | undecidable | manual | S | 22 | 26.751 | 50 | -0.2 | 71 |
IV.TERO.HHZ. | 2021-08-03T23:49:56.98 | 0.3 | undecidable | manual | P | 122 | 50.8158 | 50 | -0.12 | 69 |
IV.ASSB.HHZ. | 2021-08-03T23:49:55.29 | 0.3 | undecidable | manual | P | 300 | 39.1275 | 50 | -0.02 | 72 |
IV.CESI.HHZ. | 2021-08-03T23:49:55.73 | 0.3 | undecidable | manual | S | 317 | 20.6682 | 116 | -0.03 | 74 |
IV.FDMO.HHZ. | 2021-08-03T23:49:54.92 | 0.1 | undecidable | manual | S | 2 | 18.5703 | 119 | -0.2 | 96 |
IV.MF5.EHZ. | 2021-08-03T23:49:54.84 | 0.3 | undecidable | manual | P | 67 | 33.6441 | 50 | 0.39 | 67 |
IV.SMA1.EHZ. | 2021-08-03T23:49:54.24 | 0.3 | undecidable | manual | P | 142 | 33.744 | 50 | -0.22 | 70 |
IV.CSP1.EHZ. | 2021-08-03T23:49:53.52 | 0.3 | undecidable | manual | P | 22 | 26.751 | 50 | 0.13 | 72 |
IV.MML1.EHZ. | 2021-08-03T23:49:53.59 | 0.3 | undecidable | manual | P | 342 | 28.4493 | 50 | -0.06 | 73 |
IV.FDMO.HHZ. | 2021-08-03T23:49:52.03 | 0.3 | undecidable | manual | P | 2 | 18.5703 | 119 | 0.02 | 75 |
IV.CESI.HHZ. | 2021-08-03T23:49:52.58 | 0.1 | undecidable | manual | P | 317 | 20.6682 | 116 | 0.2 | 96 |
IV.MC2.EHZ. | 2021-08-03T23:49:52.79 | 0.3 | undecidable | manual | S | 62 | 10.0788 | 135 | 0.03 | 76 |
IV.NRCA.HHZ. | 2021-08-03T23:49:51.46 | 0.3 | undecidable | manual | S | 144 | 4.8951 | 155 | -0.24 | 73 |
IV.NRCA.HHZ. | 2021-08-03T23:49:50.15 | 0.1 | undecidable | manual | P | 144 | 4.8951 | 155 | 0.12 | 100 |
IV.MC2.EHZ. | 2021-08-03T23:49:50.87 | 0.3 | undecidable | manual | P | 62 | 10.0788 | 135 | 0.22 | 73 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHE. | ML:1.7 | 0.0008465 | 0.16 | AML | other | m | 2021-08-03T23:49:51.67 |
IV.NRCA.HHN. | ML:1.5 | 0.000545 | 0.08 | AML | other | m | 2021-08-03T23:49:51.63 |
IV.FDMO.HHN. | ML:0.5 | 0.000022850000000000003 | 0.24 | AML | other | m | 2021-08-03T23:49:55.15 |
IV.CESI.HHN. | ML:1.0 | 0.00006790712000000001 | 0.1152 | AML | other | m | 2021-08-03T23:49:56.08 |
IV.CESI.HHE. | ML:0.9 | 0.0000530800285 | 0.1152 | AML | other | m | 2021-08-03T23:49:56.06 |
IV.FDMO.HHE. | ML:0.3 | 0.00001695 | 1.42 | AML | other | m | 2021-08-03T23:49:56.03 |
IV.MML1.EHN. | ML:0.6 | 0.000019699999999999998 | 0.58 | AML | other | m | 2021-08-03T23:49:58.31 |
IV.MML1.EHE. | ML:0.7 | 0.0000246 | 0.18 | AML | other | m | 2021-08-03T23:49:58.61 |
IV.ASSB.HHE. | ML:0.6 | 0.00001695 | 0.24 | AML | other | m | 2021-08-03T23:50:01.24 |
IV.ASSB.HHN. | ML:0.4 | 0.0000088337395 | 0.064 | AML | other | m | 2021-08-03T23:50:01.41 |
IV.NRCA.HNE. | ML:1.7 | 0.0007737419 | 0.1664 | AML | other | m | 2021-08-03T23:49:51.67 |
IV.NRCA.HNN. | ML:1.5 | 0.00051495635 | 0.0896 | AML | other | m | 2021-08-03T23:49:51.64 |
IV.CSP1.EHE. | ML:0.7 | 0.000027808865 | 0.1792 | AML | other | m | 2021-08-03T23:49:58.15 |
IV.CSP1.EHN. | ML:0.7 | 0.000024496229999999996 | 0.128 | AML | other | m | 2021-08-03T23:49:57.34 |