A magnitude ML 1.1 earthquake occured in region: 8 km NW Sellano (PG), on
and geographic coordinates (lat, lon) 42.9590, 12.8920 at 10 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 | 8 | 1079 | 1079 |
Monte Cavallo | MC | 10 | 145 | 1224 |
Serravalle di Chienti | MC | 14 | 1070 | 2294 |
Trevi | PG | 15 | 8469 | 10763 |
Preci | PG | 15 | 724 | 11487 |
Foligno | PG | 15 | 57155 | 68642 |
Cerreto di Spoleto | PG | 16 | 1075 | 69717 |
Valtopina | PG | 16 | 1398 | 71115 |
Pieve Torina | MC | 16 | 1458 | 72573 |
Visso | MC | 16 | 1107 | 73680 |
Campello sul Clitunno | PG | 18 | 2442 | 76122 |
Spello | PG | 18 | 8645 | 84767 |
Fiordimonte | MC | 18 | 202 | 84969 |
Muccia | MC | 19 | 915 | 85884 |
Nocera Umbra | PG | 19 | 5839 | 91723 |
Pievebovigliana | MC | 20 | 866 | 92589 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2021-08-31 04:41:59 |
42.9592 | 12.8917 | 10 | 2021-08-31 04:50:01 |
Sala Sismica INGV-Roma | 94849081 |
Field | Value |
---|---|
Time (UTC) | 2021-08-31 04:41:59 ± 0.06 |
Latitude | 42.9592 ± 0.0027 |
Longitude | 12.8917 ± 0.0037 |
Depth (km) | 10 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 94849081 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 327 |
Semi-minor axis of confidence ellipse (meter) | 227 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 355 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 330.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 109 |
Number of associated phases, regardless of their use for origin computation | 29 |
Number of defining phases | 18 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.18 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.40020 |
Number of stations at which the event was observed | 21 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.5 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 94849081 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-08-31 04:50:01 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
GU.IMI.HHZ. | 2021-08-31T04:43:41.01 | 3.0 | undecidable | manual | Sn | -2.65 | 0 | |||
IV.AGLI.HHZ. | 2021-08-31T04:43:30.54 | 3.0 | undecidable | manual | Sg | 3.17 | 0 | |||
IV.ACATE.HNZ. | 2021-08-31T04:43:29.38 | 3.0 | positive | manual | Pg | 7.4 | 0 | |||
IV.CRND.HNZ. | 2021-08-31T04:43:28.36 | 3.0 | undecidable | manual | Sn | 1.18 | 0 | |||
IV.SENA.HHZ. | 2021-08-31T04:43:23.40 | 3.0 | undecidable | manual | Sn | -9.51 | 0 | |||
IV.CAVE.HHZ. | 2021-08-31T04:43:13.46 | 3.0 | undecidable | manual | Sg | 1.52 | 0 | |||
IV.RESU.HHZ. | 2021-08-31T04:43:10.74 | 3.0 | negative | manual | Pn | -1.97 | 0 | |||
GU.GBOS.HHZ. | 2021-08-31T04:43:10.62 | 3.0 | undecidable | manual | Pg | 12.61 | 0 | |||
IX.RSF3.HHZ.02 | 2021-08-31T04:43:07.81 | 3.0 | undecidable | manual | Sg | 0.78 | 0 | |||
IV.ECTS.HHZ. | 2021-08-31T04:43:06.32 | 3.0 | undecidable | manual | Pn | -6.02 | 0 | |||
IV.PP3.EHZ. | 2021-08-31T04:42:27.26 | 0.3 | undecidable | manual | S | 0.64 | 1.58 | |||
IV.EL6.EHZ. | 2021-08-31T04:42:14.19 | 0.1 | undecidable | manual | S | 22 | 44.4222 | 50 | 0.26 | 91 |
IV.MOMA.HHZ. | 2021-08-31T04:42:10.51 | 0.1 | undecidable | manual | S | 237 | 31.3464 | 50 | 0.09 | 96 |
IV.CSP1.EHZ. | 2021-08-31T04:42:09.70 | 0.1 | undecidable | manual | S | 60 | 29.3484 | 50 | -0.21 | 94 |
IV.RMP.HHZ. | 2021-08-31T04:42:07.43 | 3.0 | positive | manual | P | -6.38 | 0 | |||
IV.NRCA.HHZ. | 2021-08-31T04:42:07.77 | 0.1 | undecidable | manual | S | 128 | 22.8549 | 113 | -0.07 | 98 |
IV.EL6.EHZ. | 2021-08-31T04:42:07.55 | 0.6 | negative | manual | P | 22 | 44.4222 | 50 | -0.18 | 46 |
IV.ASSB.HHZ. | 2021-08-31T04:42:06.99 | 0.1 | undecidable | manual | S | 296 | 21.0678 | 114 | -0.28 | 94 |
IV.FDMO.HHZ. | 2021-08-31T04:42:06.21 | 0.1 | undecidable | manual | S | 62 | 18.0708 | 118 | -0.12 | 98 |
IV.MML1.EHZ. | 2021-08-31T04:42:06.58 | 0.1 | undecidable | manual | S | 21 | 18.2706 | 117 | 0.17 | 97 |
IV.CSP1.EHZ. | 2021-08-31T04:42:05.19 | 0.6 | positive | manual | P | 60 | 29.3484 | 50 | -0.22 | 47 |
IV.ATCC.EHZ. | 2021-08-31T04:42:05.67 | 0.6 | positive | manual | P | 321 | 32.3454 | 50 | -0.19 | 47 |
IV.MOMA.HHZ. | 2021-08-31T04:42:05.97 | 0.1 | undecidable | manual | P | 237 | 31.3464 | 50 | 0.27 | 93 |
IV.NRCA.HHZ. | 2021-08-31T04:42:04.25 | 0.1 | undecidable | manual | P | 128 | 22.8549 | 113 | 0.04 | 99 |
IV.FDMO.HHZ. | 2021-08-31T04:42:03.38 | 0.6 | undecidable | manual | P | 62 | 18.0708 | 118 | 0.04 | 50 |
IV.MML1.EHZ. | 2021-08-31T04:42:03.41 | 0.1 | positive | manual | P | 21 | 18.2706 | 117 | 0.02 | 100 |
IV.CESI.HHZ. | 2021-08-31T04:42:03.19 | 0.1 | undecidable | manual | S | 12 | 5.1948 | 151 | 0.18 | 99 |
IV.ASSB.HHZ. | 2021-08-31T04:42:03.74 | 0.1 | negative | manual | P | 296 | 21.0678 | 114 | -0.14 | 97 |
IV.CESI.HHZ. | 2021-08-31T04:42:01.70 | 1.0 | undecidable | manual | P | 12 | 5.1948 | 151 | 0.28 | 24 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.CESI.HHN. | ML:1.2 | 0.0002505 | 0.1 | AML | other | m | 2021-08-31T04:42:03.37 |
IV.CESI.HHE. | ML:1.3 | 0.000317 | 0.4 | AML | other | m | 2021-08-31T04:42:03.29 |
IV.FDMO.HHE. | ML:0.6 | 0.0000281 | 0.56 | AML | other | m | 2021-08-31T04:42:06.72 |
IV.FDMO.HHN. | ML:0.5 | 0.000027400000000000002 | 0.6 | AML | other | m | 2021-08-31T04:42:06.44 |
IV.ASSB.HHN. | ML:1.0 | 0.0000636 | 0.18 | AML | other | m | 2021-08-31T04:42:07.18 |
IV.ASSB.HHE. | ML:0.9 | 0.0000624 | 0.68 | AML | other | m | 2021-08-31T04:42:07.12 |
IX.RSF3.HHE.02 | ML:2.5 | 0.00004565 | 1.1 | AML | other | m | 2021-08-31T04:43:42.39 |
IX.RSF3.HHN.02 | ML:2.8 | 0.0000859 | 0.06 | AML | other | m | 2021-08-31T04:43:43.30 |