A magnitude ML 1.0 earthquake occured in region: 2 km NE Sellano (PG), on
and geographic coordinates (lat, lon) 42.9000, 12.9450 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 |
---|---|---|---|---|
Sellano | PG | 2 | 1079 | 1079 |
Preci | PG | 8 | 724 | 1803 |
Cerreto di Spoleto | PG | 9 | 1075 | 2878 |
Monte Cavallo | MC | 12 | 145 | 3023 |
Visso | MC | 12 | 1107 | 4130 |
Vallo di Nera | PG | 16 | 364 | 4494 |
Campello sul Clitunno | PG | 16 | 2442 | 6936 |
Trevi | PG | 16 | 8469 | 15405 |
Ussita | MC | 17 | 444 | 15849 |
Castelsantangelo sul Nera | MC | 17 | 281 | 16130 |
Norcia | PG | 17 | 4957 | 21087 |
Pieve Torina | MC | 18 | 1458 | 22545 |
Serravalle di Chienti | MC | 19 | 1070 | 23615 |
Fiordimonte | MC | 19 | 202 | 23817 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.0 | 2023-04-20 06:42:31 |
42.9002 | 12.9448 | 11 | 2023-04-20 07:10:28 |
Sala Sismica INGV-Roma | 116540721 |
Field | Value |
---|---|
Time (UTC) | 2023-04-20 06:42:31 ± 0.05 |
Latitude | 42.9002 ± 0.0027 |
Longitude | 12.9448 ± 0.0049 |
Depth (km) | 11 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 116540721 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 430 |
Semi-minor axis of confidence ellipse (meter) | 260 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 269 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 430.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 93 |
Number of associated phases, regardless of their use for origin computation | 19 |
Number of defining phases | 19 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.16 |
Epicentral distance of station closest to the epicenter (degree) | 0.09893 |
Epicentral distance of station farthest from the epicenter (degree) | 0.30577 |
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 | 1.0 |
Uncertainty | 0.2 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 116540721 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-04-20 07:10:28 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.LNSS.HNE. | 2023-04-20T06:42:42.61 | 0.3 | undecidable | manual | S | 167 | 33.9438 | 90 | 0.07 | 71 |
IV.CSP1.EHZ. | 2023-04-20T06:42:41.53 | 0.6 | undecidable | manual | S | 45 | 29.9478 | 90 | 0.04 | 48 |
IV.MML1.EHZ. | 2023-04-20T06:42:39.86 | 0.3 | undecidable | manual | S | 5 | 23.754 | 90 | 0.02 | 73 |
IV.GAVE.EHZ. | 2023-04-20T06:42:39.70 | 0.3 | undecidable | manual | S | 190 | 23.4543 | 90 | -0.05 | 73 |
IV.FDMO.HHZ. | 2023-04-20T06:42:38.40 | 0.6 | undecidable | manual | S | 37 | 19.0698 | 90 | -0.17 | 48 |
IV.MOMA.HHZ. | 2023-04-20T06:42:38.19 | 1.0 | undecidable | manual | P | 251 | 32.3454 | 90 | 0.76 | 19 |
IV.LNSS.HNE. | 2023-04-20T06:42:37.29 | 0.1 | undecidable | manual | P | 167 | 33.9438 | 90 | -0.39 | 89 |
IV.NRCA.HHZ. | 2023-04-20T06:42:37.72 | 0.3 | undecidable | manual | S | 118 | 15.6732 | 90 | 0.05 | 74 |
IV.CSP1.EHZ. | 2023-04-20T06:42:37.12 | 0.1 | undecidable | manual | P | 45 | 29.9478 | 90 | 0.05 | 96 |
IV.CESI.HHZ. | 2023-04-20T06:42:36.59 | 0.3 | undecidable | manual | S | 344 | 12.0768 | 107 | -0.13 | 73 |
IV.GAVE.EHZ. | 2023-04-20T06:42:36.08 | 0.3 | positive | manual | P | 190 | 23.4543 | 90 | 0.01 | 73 |
IV.FEMA.HNZ. | 2023-04-20T06:42:36.61 | 0.3 | undecidable | manual | S | 51 | 10.9779 | 114 | 0.17 | 73 |
IV.MML1.EHZ. | 2023-04-20T06:42:36.09 | 0.6 | negative | manual | P | 5 | 23.754 | 90 | -0.03 | 49 |
IT.MTCL.HGE. | 2023-04-20T06:42:36.37 | 0.6 | undecidable | manual | S | 23 | 11.2776 | 112 | -0.16 | 49 |
IV.FDMO.HHZ. | 2023-04-20T06:42:35.35 | 0.6 | positive | manual | P | 37 | 19.0698 | 90 | -0.04 | 49 |
IV.CESI.HHZ. | 2023-04-20T06:42:34.32 | 0.1 | undecidable | manual | P | 344 | 12.0768 | 107 | 0 | 100 |
IV.FEMA.HNZ. | 2023-04-20T06:42:34.53 | 0.6 | undecidable | manual | P | 51 | 10.9779 | 114 | 0.37 | 46 |
IV.NRCA.HHZ. | 2023-04-20T06:42:34.90 | 0.1 | undecidable | manual | P | 118 | 15.6732 | 90 | 0.04 | 99 |
IT.MTCL.HGE. | 2023-04-20T06:42:34.24 | 0.1 | undecidable | manual | P | 23 | 11.2776 | 112 | 0.03 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.CESI.HHE. | ML:0.6 | 0.00004124999999999999 | 0.46 | AML | other | m | 2023-04-20T06:42:36.88 |
IV.CESI.HHN. | ML:0.8 | 0.00007694999999999999 | 0.26 | AML | other | m | 2023-04-20T06:42:36.81 |
IV.NRCA.HHN. | ML:0.9 | 0.00006625 | 0.8 | AML | other | m | 2023-04-20T06:42:37.96 |
IV.NRCA.HHE. | ML:1.0 | 0.00008205000000000002 | 1.9 | AML | other | m | 2023-04-20T06:42:38.95 |
IV.FDMO.HHN. | ML:0.8 | 0.000047149999999999994 | 0.18 | AML | other | m | 2023-04-20T06:42:38.58 |
IV.FDMO.HHE. | ML:0.8 | 0.00004765 | 0.8 | AML | other | m | 2023-04-20T06:42:39.19 |
IV.MML1.EHN. | ML:1.1 | 0.00007764999999999999 | 0.14 | AML | other | m | 2023-04-20T06:42:40.08 |
IV.MML1.EHE. | ML:1.1 | 0.0000775 | 1.74 | AML | other | m | 2023-04-20T06:42:40.09 |
IV.CSP1.EHN. | ML:1.2 | 0.0000705 | 0.72 | AML | other | m | 2023-04-20T06:42:42.32 |
IV.CSP1.EHE. | ML:1.3 | 0.0000965 | 0.28 | AML | other | m | 2023-04-20T06:42:42.30 |