A magnitude ML 1.0 earthquake occured in region: 5 km NE Poggiodomo (PG), on
and geographic coordinates (lat, lon) 42.7450, 12.9700 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 |
---|---|---|---|---|
Poggiodomo | PG | 5 | 117 | 117 |
Cascia | PG | 5 | 3217 | 3334 |
Vallo di Nera | PG | 9 | 364 | 3698 |
Cerreto di Spoleto | PG | 9 | 1075 | 4773 |
Monteleone di Spoleto | PG | 10 | 599 | 5372 |
Sant'Anatolia di Narco | PG | 11 | 564 | 5936 |
Norcia | PG | 11 | 4957 | 10893 |
Scheggino | PG | 12 | 461 | 11354 |
Preci | PG | 16 | 724 | 12078 |
Sellano | PG | 16 | 1079 | 13157 |
Campello sul Clitunno | PG | 18 | 2442 | 15599 |
Spoleto | PG | 19 | 38218 | 53817 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.0 | 2021-02-20 00:50:49 |
42.7452 | 12.9698 | 11 | 2021-02-20 00:58:18 |
Sala Sismica INGV-Roma | 87310111 |
Field | Value |
---|---|
Time (UTC) | 2021-02-20 00:50:49 ± 0.04 |
Latitude | 42.7452 ± 0.0027 |
Longitude | 12.9698 ± 0.0049 |
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 | 87310111 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 465 |
Semi-minor axis of confidence ellipse (meter) | 184 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 292 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 470.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 150 |
Number of associated phases, regardless of their use for origin computation | 8 |
Number of defining phases | 8 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.09 |
Epicentral distance of station closest to the epicenter (degree) | 0.07644 |
Epicentral distance of station farthest from the epicenter (degree) | 0.30397 |
Number of stations at which the event was observed | 4 |
Number of stations from which data was used for origin computation | 4 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.2 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 87310111 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-02-20 00:58:18 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.FDMO.HHZ. | 2021-02-20T00:51:00.52 | 0.3 | undecidable | manual | S | 16 | 33.744 | 50 | 0 | 73 |
IV.LNSS.HHZ. | 2021-02-20T00:50:55.93 | 0.6 | undecidable | manual | S | 160 | 16.7721 | 50 | -0.08 | 49 |
IV.FDMO.HHZ. | 2021-02-20T00:50:55.64 | 0.1 | undecidable | manual | P | 16 | 33.744 | 50 | -0.04 | 96 |
IV.NRCA.HHZ. | 2021-02-20T00:50:55.52 | 0.6 | undecidable | manual | S | 50 | 15.2736 | 126 | -0.08 | 49 |
IV.LNSS.HHZ. | 2021-02-20T00:50:53.17 | 0.6 | undecidable | manual | P | 160 | 16.7721 | 50 | 0.1 | 49 |
IV.GAVE.EHZ. | 2021-02-20T00:50:53.75 | 0.6 | undecidable | manual | S | 226 | 8.4804 | 142 | -0.14 | 49 |
IV.NRCA.HHZ. | 2021-02-20T00:50:52.90 | 0.1 | undecidable | manual | P | 50 | 15.2736 | 126 | 0.06 | 99 |
IV.GAVE.EHZ. | 2021-02-20T00:50:51.92 | 0.1 | positive | manual | P | 226 | 8.4804 | 142 | 0.08 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.GAVE.EHN. | ML:1.2 | 0.000192 | 0.12 | AML | other | m | 2021-02-20T00:50:53.79 |
IV.GAVE.EHE. | ML:1.2 | 0.000187 | 0.14 | AML | other | m | 2021-02-20T00:50:54.08 |
IV.NRCA.HHN. | ML:0.9 | 0.00007335 | 0.14 | AML | other | m | 2021-02-20T00:50:55.73 |
IV.NRCA.HHE. | ML:0.8 | 0.00005945 | 1.46 | AML | other | m | 2021-02-20T00:50:56.84 |
IV.LNSS.HHE. | ML:1.0 | 0.00008455 | 0.34 | AML | other | m | 2021-02-20T00:50:56.44 |
IV.LNSS.HHN. | ML:0.8 | 0.0000498 | 0.88 | AML | other | m | 2021-02-20T00:50:57.02 |