A magnitude ML 0.8 earthquake occured in region: 5 km NE Sellano (PG), on
and geographic coordinates (lat, lon) 42.9330, 12.9570 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 | 5 | 1079 | 1079 |
Monte Cavallo | MC | 8 | 145 | 1224 |
Preci | PG | 9 | 724 | 1948 |
Visso | MC | 11 | 1107 | 3055 |
Cerreto di Spoleto | PG | 13 | 1075 | 4130 |
Pieve Torina | MC | 15 | 1458 | 5588 |
Ussita | MC | 15 | 444 | 6032 |
Serravalle di Chienti | MC | 16 | 1070 | 7102 |
Fiordimonte | MC | 16 | 202 | 7304 |
Castelsantangelo sul Nera | MC | 17 | 281 | 7585 |
Pievebovigliana | MC | 18 | 866 | 8451 |
Trevi | PG | 18 | 8469 | 16920 |
Muccia | MC | 18 | 915 | 17835 |
Norcia | PG | 19 | 4957 | 22792 |
Campello sul Clitunno | PG | 19 | 2442 | 25234 |
Vallo di Nera | PG | 20 | 364 | 25598 |
Fiastra | MC | 20 | 559 | 26157 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.8 | 2021-04-20 08:28:01 |
42.933 | 12.9567 | 11 | 2021-04-20 08:36:33 |
Sala Sismica INGV-Roma | 89287601 |
Field | Value |
---|---|
Time (UTC) | 2021-04-20 08:28:01 ± 0.08 |
Latitude | 42.9330 ± 0.0045 |
Longitude | 12.9567 ± 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 | 89287601 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 510 |
Semi-minor axis of confidence ellipse (meter) | 380 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 3 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 510.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 106 |
Number of associated phases, regardless of their use for origin computation | 23 |
Number of defining phases | 20 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.2 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.27339 |
Number of stations at which the event was observed | 14 |
Number of stations from which data was used for origin computation | 11 |
Field | Value |
---|---|
Value | 0.8 |
Uncertainty | 0.3 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 89287601 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-04-20 08:36:33 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.NDIM.HHZ. | 2021-04-20T08:28:12.36 | 3.0 | positive | manual | Pg | 0.02 | 0 | |||
IV.MMO1.EHZ. | 2021-04-20T08:28:11.46 | 0.3 | undecidable | manual | S | 97 | 30.3474 | 90 | -0.15 | 70 |
IV.CSP1.EHZ. | 2021-04-20T08:28:10.72 | 0.1 | undecidable | manual | S | 49 | 26.751 | 90 | 0.06 | 96 |
IV.ASSB.HHZ. | 2021-04-20T08:28:10.57 | 0.3 | undecidable | manual | S | 297 | 27.0507 | 90 | -0.17 | 70 |
IV.MML1.EHE. | 2021-04-20T08:28:09.08 | 0.3 | undecidable | manual | S | 3 | 20.0688 | 90 | 0.2 | 71 |
IV.MC2.EHZ. | 2021-04-20T08:28:08.66 | 0.6 | undecidable | manual | S | 97 | 19.0698 | 90 | 0.06 | 49 |
IV.FDMO.HHZ. | 2021-04-20T08:28:07.28 | 0.3 | undecidable | manual | S | 43 | 15.6732 | 90 | -0.41 | 68 |
IV.MMO1.EHZ. | 2021-04-20T08:28:07.33 | 0.1 | undecidable | manual | P | 97 | 30.3474 | 90 | 0.18 | 93 |
IV.PF6.EHE. | 2021-04-20T08:28:07.12 | 0.1 | undecidable | manual | P | 40 | 29.748 | 90 | 0.05 | 96 |
IV.ASSB.HHZ. | 2021-04-20T08:28:06.72 | 0.3 | undecidable | manual | P | 297 | 27.0507 | 90 | 0.07 | 72 |
IV.GAVE.EHE. | 2021-04-20T08:28:06.06 | 0.6 | undecidable | manual | P | 191 | 27.1506 | 90 | -0.61 | 42 |
IV.CSP1.EHZ. | 2021-04-20T08:28:06.54 | 0.1 | undecidable | manual | P | 49 | 26.751 | 90 | -0.07 | 96 |
IV.CESI.HHZ. | 2021-04-20T08:28:06.08 | 0.1 | undecidable | manual | S | 332 | 8.9799 | 125 | 0.05 | 99 |
IV.MML1.EHE. | 2021-04-20T08:28:05.69 | 0.3 | undecidable | manual | P | 3 | 20.0688 | 90 | 0.12 | 72 |
IV.FEMA.HNN. | 2021-04-20T08:28:05.65 | 0.3 | undecidable | manual | S | 67 | 8.1807 | 129 | -0.2 | 72 |
IV.MC2.EHZ. | 2021-04-20T08:28:05.91 | 0.3 | undecidable | manual | P | 97 | 19.0698 | 90 | 0.5 | 66 |
IT.MTCL.HGN. | 2021-04-20T08:28:05.45 | 0.3 | undecidable | manual | S | 27 | 7.5813 | 133 | -0.28 | 71 |
IV.CESI.HHZ. | 2021-04-20T08:28:04.09 | 0.1 | undecidable | manual | P | 332 | 8.9799 | 125 | 0.16 | 97 |
IV.FDMO.HHZ. | 2021-04-20T08:28:04.93 | 0.1 | undecidable | manual | P | 43 | 15.6732 | 90 | 0.04 | 98 |
IT.MTCL.HGN. | 2021-04-20T08:28:03.77 | 0.1 | undecidable | manual | P | 27 | 7.5813 | 133 | 0.01 | 100 |
IV.CPGN.EHZ. | 2021-04-20T08:28:03.09 | 3.0 | undecidable | manual | Pg | 4.32 | 0 | |||
IV.FEMA.HNN. | 2021-04-20T08:28:03.86 | 0.3 | undecidable | manual | P | 67 | 8.1807 | 129 | 0.03 | 75 |
IV.BRSN.EHZ. | 2021-04-20T08:28:01.76 | 3.0 | negative | manual | P | -0.02 | 0 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.CESI.HHN. | ML:0.6 | 0.0000478 | 0.4 | AML | other | m | 2021-04-20T08:28:06.23 |
IV.CESI.HHE. | ML:0.4 | 0.00003075 | 0.42 | AML | other | m | 2021-04-20T08:28:06.59 |
IV.CESI.HNE. | ML:1.0 | 0.0001153738 | 0.6464 | AML | other | m | 2021-04-20T08:28:11.79 |
IV.CESI.HNN. | ML:1.2 | 0.00018385809 | 1.0496 | AML | other | m | 2021-04-20T08:28:06.76 |