A magnitude ML 0.8 earthquake occured in region: 1 km NE Sellano (PG), on
and geographic coordinates (lat, lon) 42.8980, 12.9420 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 | 1 | 1079 | 1079 |
Preci | PG | 8 | 724 | 1803 |
Cerreto di Spoleto | PG | 9 | 1075 | 2878 |
Monte Cavallo | MC | 12 | 145 | 3023 |
Visso | MC | 13 | 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 |
Norcia | PG | 17 | 4957 | 20806 |
Castelsantangelo sul Nera | MC | 17 | 281 | 21087 |
Pieve Torina | MC | 19 | 1458 | 22545 |
Serravalle di Chienti | MC | 20 | 1070 | 23615 |
Fiordimonte | MC | 20 | 202 | 23817 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.8 | 2021-10-21 00:17:28 |
42.8978 | 12.9417 | 11 | 2021-10-21 00:26:21 |
Sala Sismica INGV-Roma | 96814271 |
Field | Value |
---|---|
Time (UTC) | 2021-10-21 00:17:28 ± 0.06 |
Latitude | 42.8978 ± 0.0036 |
Longitude | 12.9417 ± 0.0061 |
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 | 96814271 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 522 |
Semi-minor axis of confidence ellipse (meter) | 229 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 65 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 520.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 115 |
Number of associated phases, regardless of their use for origin computation | 21 |
Number of defining phases | 13 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.14 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.30307 |
Number of stations at which the event was observed | 15 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 0.8 |
Uncertainty | 0.4 |
Num. used stations | 18 |
Type of magnitude | ML |
Reference to an origin | 96814271 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-10-21 00:26:21 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CDRU.HNZ. | 2021-10-21T00:18:57.50 | 3.0 | undecidable | manual | Sg | 1.41 | 0 | |||
IV.IFOR.HHZ. | 2021-10-21T00:18:39.08 | 3.0 | undecidable | manual | Sg | 0.18 | 0 | |||
OX.MARN.HHZ. | 2021-10-21T00:18:24.09 | 3.0 | positive | manual | Pg | 5.88 | 0 | |||
IV.MBAL.EHZ. | 2021-10-21T00:18:20.99 | 3.0 | undecidable | manual | Pg | 0.53 | 0 | |||
IV.MSSA.HHZ. | 2021-10-21T00:18:17.36 | 3.0 | negative | manual | Pg | 1.27 | 0 | |||
IV.MAGA.HHZ. | 2021-10-21T00:18:15.55 | 3.0 | undecidable | manual | Pn | -6.93 | 0 | |||
GU.GRAM.HHZ. | 2021-10-21T00:18:05.40 | 3.0 | negative | manual | Pn | -7.44 | 0 | |||
IV.VCEL.EHZ. | 2021-10-21T00:17:49.83 | 3.0 | undecidable | manual | Sn | -9.99 | 0 | |||
IV.LNSS.HHZ. | 2021-10-21T00:17:39.71 | 0.6 | undecidable | manual | S | 166 | 33.6441 | 90 | -0.02 | 49 |
IV.MML1.EHZ. | 2021-10-21T00:17:37.43 | 0.6 | undecidable | manual | S | 6 | 24.0537 | 91 | 0.27 | 47 |
IV.ASSB.HHZ. | 2021-10-21T00:17:37.84 | 0.6 | undecidable | manual | S | 305 | 28.0497 | 91 | -0.38 | 46 |
IV.FDMO.HHZ. | 2021-10-21T00:17:35.64 | 0.6 | undecidable | manual | S | 37 | 19.3695 | 92 | -0.28 | 47 |
IV.NRCA.HHZ. | 2021-10-21T00:17:34.83 | 0.3 | undecidable | manual | S | 117 | 15.7731 | 94 | -0.11 | 75 |
IV.LNSS.HHZ. | 2021-10-21T00:17:34.98 | 0.6 | negative | manual | P | 166 | 33.6441 | 90 | 0.09 | 48 |
IV.GAVE.HNZ. | 2021-10-21T00:17:33.33 | 0.6 | undecidable | manual | P | 190 | 23.1546 | 91 | 0.06 | 49 |
IV.CESI.HHZ. | 2021-10-21T00:17:33.94 | 0.6 | undecidable | manual | S | 346 | 12.2766 | 109 | -0.09 | 51 |
IV.MML1.EHZ. | 2021-10-21T00:17:33.43 | 0.6 | undecidable | manual | P | 6 | 24.0537 | 91 | 0.02 | 50 |
IV.ASSB.HHZ. | 2021-10-21T00:17:33.95 | 0.3 | undecidable | manual | P | 305 | 28.0497 | 91 | -0.07 | 74 |
IV.NRCA.HHZ. | 2021-10-21T00:17:32.18 | 0.1 | negative | manual | P | 117 | 15.7731 | 94 | 0.05 | 100 |
IV.FDMO.HHZ. | 2021-10-21T00:17:32.71 | 0.3 | undecidable | manual | P | 37 | 19.3695 | 92 | 0.02 | 75 |
IV.CESI.HHZ. | 2021-10-21T00:17:31.78 | 0.1 | positive | manual | P | 346 | 12.2766 | 109 | 0.18 | 97 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHE. | ML:0.8 | 0.000048299999999999995 | 0.08 | AML | other | m | 2021-10-21T00:17:35.11 |
IV.NRCA.HHN. | ML:0.6 | 0.00003485 | 0.12 | AML | other | m | 2021-10-21T00:17:35.52 |
IV.CESI.HHE. | ML:0.2 | 0.0000174369 | 0.12 | AML | other | m | 2021-10-21T00:17:34.21 |
IV.CESI.HHN. | ML:0.5 | 0.000037161149999999996 | 0.08 | AML | other | m | 2021-10-21T00:17:34.28 |
IV.CESI.HNE. | ML:1.0 | 0.00011061389500000001 | 0.9 | AML | other | m | 2021-10-21T00:17:33.69 |
IV.CESI.HNN. | ML:1.4 | 0.00028492044999999997 | 0.28 | AML | other | m | 2021-10-21T00:17:36.40 |
IV.NRCA.HNE. | ML:1.1 | 0.00010088497999999999 | 0.47 | AML | other | m | 2021-10-21T00:17:32.13 |
IV.NRCA.HNN. | ML:1.3 | 0.00018044599999999999 | 0.73 | AML | other | m | 2021-10-21T00:17:32.11 |
IV.FDMO.HHE. | ML:0.4 | 0.00001970253 | 0.18 | AML | other | m | 2021-10-21T00:17:35.87 |
IV.FDMO.HHN. | ML:0.4 | 0.00002114249 | 0.12 | AML | other | m | 2021-10-21T00:17:36.85 |
IV.MML1.EHE. | ML:0.4 | 0.0000172567155 | 0.2 | AML | other | m | 2021-10-21T00:17:37.61 |
IV.MML1.EHN. | ML:0.4 | 0.000013920495 | 0.7 | AML | other | m | 2021-10-21T00:17:36.80 |
IV.MML1.HNE. | ML:1.1 | 0.00007205475 | 0.59 | AML | other | m | 2021-10-21T00:17:46.22 |
IV.MML1.HNN. | ML:1.2 | 0.00010746187499999998 | 0.84 | AML | other | m | 2021-10-21T00:17:34.86 |
IV.LNSS.HHE. | ML:0.6 | 0.000016187425 | 0.1 | AML | other | m | 2021-10-21T00:17:39.93 |
IV.LNSS.HHN. | ML:0.6 | 0.000016820795 | 0.18 | AML | other | m | 2021-10-21T00:17:40.12 |
IV.LNSS.HNE. | ML:1.4 | 0.000110701 | 0.96 | AML | other | m | 2021-10-21T00:17:44.22 |
IV.LNSS.HNN. | ML:1.5 | 0.00012933417 | 1.3 | AML | other | m | 2021-10-21T00:17:51.10 |
IV.MSSA.HHE. | ML:0.0 | 0.000061601415 | 0.82 | AML | other | m | 2021-10-21T00:18:56.14 |
IV.MSSA.HHN. | ML:0.0 | 0.000082499505 | 0.82 | AML | other | m | 2021-10-21T00:19:28.91 |
IV.MBAL.EHE. | ML:0.0 | 0.00008449131 | 0.08 | AML | other | m | 2021-10-21T00:19:03.13 |
IV.MBAL.EHN. | ML:0.0 | 0.000058187680000000004 | 0.06 | AML | other | m | 2021-10-21T00:18:44.89 |