A magnitude ML 0.9 earthquake occured in region: 2 km S Sellano (PG), on
and geographic coordinates (lat, lon) 42.8740, 12.9290 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 |
---|---|---|---|---|
Sellano | PG | 2 | 1079 | 1079 |
Cerreto di Spoleto | PG | 6 | 1075 | 2154 |
Preci | PG | 9 | 724 | 2878 |
Vallo di Nera | PG | 13 | 364 | 3242 |
Campello sul Clitunno | PG | 14 | 2442 | 5684 |
Visso | MC | 15 | 1107 | 6791 |
Trevi | PG | 15 | 8469 | 15260 |
Monte Cavallo | MC | 15 | 145 | 15405 |
Norcia | PG | 16 | 4957 | 20362 |
Sant'Anatolia di Narco | PG | 17 | 564 | 20926 |
Poggiodomo | PG | 18 | 117 | 21043 |
Castelsantangelo sul Nera | MC | 19 | 281 | 21324 |
Cascia | PG | 19 | 3217 | 24541 |
Ussita | MC | 19 | 444 | 24985 |
Scheggino | PG | 20 | 461 | 25446 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.9 | 2021-08-31 05:03:02 |
42.8735 | 12.9293 | 10 | 2021-08-31 05:08:36 |
Sala Sismica INGV-Roma | 94850831 |
Field | Value |
---|---|
Time (UTC) | 2021-08-31 05:03:02 ± 0.08 |
Latitude | 42.8735 ± 0.0036 |
Longitude | 12.9293 ± 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 | 94850831 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 403 |
Semi-minor axis of confidence ellipse (meter) | 323 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 112 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 400.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 97 |
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) | 0.19 |
Epicentral distance of station closest to the epicenter (degree) | 0.13220 |
Epicentral distance of station farthest from the epicenter (degree) | 0.29678 |
Number of stations at which the event was observed | 8 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.2 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 94850831 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-08-31 05:08:36 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CSP1.EHZ. | 2021-08-31T05:03:13.56 | 0.1 | undecidable | manual | S | 43 | 32.9448 | 50 | -0.14 | 94 |
IV.MML1.EHZ. | 2021-08-31T05:03:12.07 | 0.1 | undecidable | manual | S | 7 | 26.8509 | 50 | 0 | 98 |
IV.MC2.EHZ. | 2021-08-31T05:03:11.05 | 0.1 | undecidable | manual | S | 79 | 21.4674 | 116 | 0.49 | 89 |
IV.GAVE.EHZ. | 2021-08-31T05:03:10.05 | 0.1 | undecidable | manual | S | 188 | 20.3685 | 117 | -0.13 | 97 |
IV.FDMO.HHZ. | 2021-08-31T05:03:10.52 | 0.1 | undecidable | manual | S | 35 | 22.1556 | 115 | -0.24 | 94 |
IV.NRCA.HHZ. | 2021-08-31T05:03:08.62 | 0.1 | undecidable | manual | S | 106 | 15.6732 | 123 | -0.17 | 97 |
IV.CSP1.EHZ. | 2021-08-31T05:03:08.84 | 0.6 | negative | manual | P | 43 | 32.9448 | 50 | -0.04 | 48 |
IV.MML1.EHZ. | 2021-08-31T05:03:08.05 | 1.0 | undecidable | manual | P | 7 | 26.8509 | 50 | 0.12 | 24 |
IV.MOMA.HHZ. | 2021-08-31T05:03:08.76 | 0.6 | undecidable | manual | P | 255 | 30.2475 | 50 | 0.3 | 46 |
IV.CESI.HHZ. | 2021-08-31T05:03:08.50 | 0.1 | undecidable | manual | S | 352 | 14.6742 | 125 | -0.01 | 100 |
IV.MC2.EHZ. | 2021-08-31T05:03:07.08 | 0.6 | positive | manual | P | 79 | 21.4674 | 116 | 0.02 | 49 |
IV.FDMO.HHZ. | 2021-08-31T05:03:07.06 | 1.0 | negative | manual | P | 35 | 22.1556 | 115 | -0.12 | 24 |
IV.NRCA.HHZ. | 2021-08-31T05:03:06.02 | 0.1 | positive | manual | P | 106 | 15.6732 | 123 | -0.02 | 100 |
IV.GAVE.EHZ. | 2021-08-31T05:03:06.90 | 1.0 | undecidable | manual | P | 188 | 20.3685 | 117 | 0.06 | 25 |
IV.CESI.HHZ. | 2021-08-31T05:03:05.99 | 0.1 | negative | manual | P | 352 | 14.6742 | 125 | 0.11 | 98 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.CESI.HHN. | ML:0.8 | 0.0000576 | 0.56 | AML | other | m | 2021-08-31T05:03:08.71 |
IV.NRCA.HHN. | ML:1.0 | 0.00009875 | 0.42 | AML | other | m | 2021-08-31T05:03:08.72 |
IV.CESI.HHE. | ML:0.6 | 0.000036500000000000006 | 0.4 | AML | other | m | 2021-08-31T05:03:08.76 |
IV.NRCA.HHE. | ML:0.9 | 0.00007775 | 0.92 | AML | other | m | 2021-08-31T05:03:09.48 |
IV.GAVE.EHN. | ML:1.0 | 0.0000773 | 1.34 | AML | other | m | 2021-08-31T05:03:10.29 |
IV.GAVE.EHE. | ML:1.1 | 0.0000948 | 0.08 | AML | other | m | 2021-08-31T05:03:10.52 |
IV.FDMO.HHE. | ML:0.8 | 0.00004514999999999999 | 0.16 | AML | other | m | 2021-08-31T05:03:10.72 |
IV.FDMO.HHN. | ML:0.9 | 0.000048 | 0.74 | AML | other | m | 2021-08-31T05:03:10.95 |
IV.MML1.EHE. | ML:1.2 | 0.00007764999999999999 | 0.2 | AML | other | m | 2021-08-31T05:03:12.26 |
IV.MML1.EHN. | ML:0.7 | 0.00003015 | 0.18 | AML | other | m | 2021-08-31T05:03:12.63 |