A magnitude ML 0.8 earthquake occured in region: 3 km NE Cerreto di Spoleto (PG), on
and geographic coordinates (lat, lon) 42.8380, 12.9460 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 |
---|---|---|---|---|
Cerreto di Spoleto | PG | 3 | 1075 | 1075 |
Sellano | PG | 6 | 1079 | 2154 |
Preci | PG | 9 | 724 | 2878 |
Vallo di Nera | PG | 10 | 364 | 3242 |
Norcia | PG | 13 | 4957 | 8199 |
Poggiodomo | PG | 14 | 117 | 8316 |
Campello sul Clitunno | PG | 14 | 2442 | 10758 |
Cascia | PG | 14 | 3217 | 13975 |
Sant'Anatolia di Narco | PG | 15 | 564 | 14539 |
Visso | MC | 16 | 1107 | 15646 |
Scheggino | PG | 17 | 461 | 16107 |
Trevi | PG | 17 | 8469 | 24576 |
Monte Cavallo | MC | 18 | 145 | 24721 |
Castelsantangelo sul Nera | MC | 18 | 281 | 25002 |
Ussita | MC | 20 | 444 | 25446 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.8 | 2021-02-01 00:21:26 |
42.8377 | 12.9463 | 11 | 2021-02-01 00:28:43 |
Sala Sismica INGV-Roma | 86746971 |
Field | Value |
---|---|
Time (UTC) | 2021-02-01 00:21:26 ± 0.03 |
Latitude | 42.8377 ± 0.0018 |
Longitude | 12.9463 ± 0.0037 |
Depth (km) | 11 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 86746971 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 274 |
Semi-minor axis of confidence ellipse (meter) | 120 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 95 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 270.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 72 |
Number of associated phases, regardless of their use for origin computation | 22 |
Number of defining phases | 18 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.11 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.29318 |
Number of stations at which the event was observed | 13 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 0.8 |
Uncertainty | 0.3 |
Num. used stations | 5 |
Type of magnitude | ML |
Reference to an origin | 86746971 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-02-01 00:28:43 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CMPR.HHZ. | 2021-02-01T00:22:38.97 | 3.0 | undecidable | manual | Sn | -1.57 | 0 | |||
IV.MTRZ.HNZ. | 2021-02-01T00:21:50.41 | 3.0 | undecidable | manual | Pg | 0.26 | 0 | |||
IV.MML1.EHE. | 2021-02-01T00:21:37.03 | 0.3 | undecidable | manual | S | 4 | 30.6471 | 50 | 0.1 | 73 |
IV.ASSB.HHZ. | 2021-02-01T00:21:37.24 | 0.6 | undecidable | manual | S | 314 | 32.5452 | 50 | -0.2 | 48 |
IV.MOMA.HHE. | 2021-02-01T00:21:37.07 | 0.6 | undecidable | manual | S | 263 | 30.8469 | 50 | 0.09 | 49 |
IV.SAMA.EHZ. | 2021-02-01T00:21:35.51 | 3.0 | negative | manual | P | 0.25 | 0 | |||
IV.LNSS.HHZ. | 2021-02-01T00:21:35.83 | 0.3 | undecidable | manual | S | 164 | 27.1506 | 50 | -0.16 | 73 |
IV.FDMO.HHZ. | 2021-02-01T00:21:35.30 | 0.6 | undecidable | manual | S | 27 | 24.8529 | 50 | -0.07 | 50 |
IV.CESI.HHZ. | 2021-02-01T00:21:33.58 | 0.6 | undecidable | manual | S | 350 | 18.87 | 119 | -0.12 | 50 |
IT.MTCL.HGZ. | 2021-02-01T00:21:33.12 | 0.6 | undecidable | manual | S | 14 | 17.871 | 121 | -0.28 | 48 |
IV.MML1.EHE. | 2021-02-01T00:21:32.35 | 0.3 | undecidable | manual | P | 4 | 30.6471 | 50 | -0.04 | 74 |
IV.ASSB.HHZ. | 2021-02-01T00:21:32.63 | 0.3 | undecidable | manual | P | 314 | 32.5452 | 50 | -0.06 | 74 |
IV.NRCA.HNN. | 2021-02-01T00:21:32.19 | 0.3 | undecidable | manual | S | 92 | 13.6752 | 128 | -0.01 | 77 |
IV.MOMA.HHE. | 2021-02-01T00:21:32.57 | 0.3 | undecidable | manual | P | 263 | 30.8469 | 50 | 0.15 | 72 |
IV.GAVE.EHZ. | 2021-02-01T00:21:32.88 | 0.3 | undecidable | manual | S | 195 | 16.6722 | 123 | -0.18 | 74 |
IV.FDMO.HHZ. | 2021-02-01T00:21:31.52 | 0.1 | undecidable | manual | P | 27 | 24.8529 | 50 | 0.03 | 100 |
IV.APEC.HHZ. | 2021-02-01T00:21:31.78 | 3.0 | negative | manual | Pn | -5.85 | 0 | |||
IV.LNSS.HHZ. | 2021-02-01T00:21:31.86 | 0.1 | undecidable | manual | P | 164 | 27.1506 | 50 | 0.01 | 100 |
IV.CESI.HHZ. | 2021-02-01T00:21:30.64 | 0.1 | undecidable | manual | P | 350 | 18.87 | 119 | 0.11 | 99 |
IT.MTCL.HGZ. | 2021-02-01T00:21:30.40 | 0.3 | undecidable | manual | P | 14 | 17.871 | 121 | 0.05 | 76 |
IV.GAVE.EHZ. | 2021-02-01T00:21:30.27 | 0.1 | undecidable | manual | P | 195 | 16.6722 | 123 | 0.11 | 100 |
IV.NRCA.HNN. | 2021-02-01T00:21:29.80 | 0.1 | undecidable | manual | P | 92 | 13.6752 | 128 | 0.14 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.GAVE.EHE. | ML:1.1 | 0.00011732783 | 0.12 | AML | other | m | 2021-02-01T00:21:33.27 |
IV.GAVE.EHN. | ML:1.0 | 0.00009159999999999999 | 0.62 | AML | other | m | 2021-02-01T00:21:33.50 |
IV.CESI.HHE. | ML:0.5 | 0.00002482972 | 0.14 | AML | other | m | 2021-02-01T00:21:33.83 |
IV.CESI.HHN. | ML:0.8 | 0.00005201701 | 0.3 | AML | other | m | 2021-02-01T00:21:33.84 |
IV.FDMO.HHE. | ML:0.5 | 0.000017639083999999998 | 0.18 | AML | other | m | 2021-02-01T00:21:35.55 |