A magnitude ML 1.1 earthquake occured in region: 9 km NW Sellano (PG), on
and geographic coordinates (lat, lon) 42.9620, 12.8910 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 | 9 | 1079 | 1079 |
Monte Cavallo | MC | 10 | 145 | 1224 |
Serravalle di Chienti | MC | 13 | 1070 | 2294 |
Trevi | PG | 15 | 8469 | 10763 |
Preci | PG | 15 | 724 | 11487 |
Foligno | PG | 15 | 57155 | 68642 |
Valtopina | PG | 16 | 1398 | 70040 |
Cerreto di Spoleto | PG | 16 | 1075 | 71115 |
Pieve Torina | MC | 16 | 1458 | 72573 |
Visso | MC | 17 | 1107 | 73680 |
Campello sul Clitunno | PG | 18 | 2442 | 76122 |
Spello | PG | 18 | 8645 | 84767 |
Fiordimonte | MC | 18 | 202 | 84969 |
Muccia | MC | 18 | 915 | 85884 |
Nocera Umbra | PG | 19 | 5839 | 91723 |
Pievebovigliana | MC | 19 | 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 04:08:51 |
42.9615 | 12.891 | 10 | 2021-08-31 04:20:06 |
Sala Sismica INGV-Roma | 94847621 |
Field | Value |
---|---|
Time (UTC) | 2021-08-31 04:08:51 ± 0.13 |
Latitude | 42.9615 ± 0.0045 |
Longitude | 12.8910 ± 0.0098 |
Depth (km) | 10 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 94847621 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 820 |
Semi-minor axis of confidence ellipse (meter) | 431 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 86 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 820.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 194 |
Number of associated phases, regardless of their use for origin computation | 27 |
Number of defining phases | 16 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.29 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.39840 |
Number of stations at which the event was observed | 19 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.3 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 94847621 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-08-31 04:20:06 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.GIZZ.HHZ. | 2021-08-31T04:10:06.05 | 3.0 | negative | manual | Pg | 17.629999 | 0 | |||
IV.ZONE.HHZ. | 2021-08-31T04:09:58.80 | 3.0 | undecidable | manual | Sg | 4.25 | 0 | |||
IV.IST3.HHZ. | 2021-08-31T04:09:54.69 | 3.0 | positive | manual | Pg | 9.53 | 0 | |||
IV.CRAC.EHZ. | 2021-08-31T04:09:49.10 | 3.0 | positive | manual | Pg | 13.69 | 0 | |||
IV.CAPR.HNZ. | 2021-08-31T04:09:16.27 | 3.0 | undecidable | manual | Pg | -0.32 | 0 | |||
IV.EL6.EHZ. | 2021-08-31T04:09:06.45 | 0.1 | undecidable | manual | S | 23 | 44.2224 | 50 | 0.52 | 84 |
IV.MNTV.EHZ. | 2021-08-31T04:09:02.92 | 3.0 | positive | manual | Pg | -3.69 | 0 | |||
IV.GAVE.EHZ. | 2021-08-31T04:09:02.16 | 0.1 | undecidable | manual | S | 179 | 29.8479 | 50 | 0.06 | 95 |
IV.MC2.EHZ. | 2021-08-31T04:09:01.33 | 0.1 | undecidable | manual | S | 103 | 24.8529 | 112 | 0.61 | 83 |
IV.CSP1.EHZ. | 2021-08-31T04:09:01.72 | 0.1 | undecidable | manual | S | 60 | 29.2485 | 50 | -0.22 | 92 |
IV.EL6.EHZ. | 2021-08-31T04:08:59.62 | 0.1 | undecidable | manual | P | 23 | 44.2224 | 50 | -0.18 | 90 |
IV.NRCA.HHZ. | 2021-08-31T04:08:59.80 | 0.1 | undecidable | manual | S | 128 | 23.0547 | 113 | -0.34 | 90 |
IV.FDMO.HHZ. | 2021-08-31T04:08:58.27 | 0.1 | undecidable | manual | S | 62 | 17.9709 | 119 | -0.29 | 92 |
IV.MML1.EHZ. | 2021-08-31T04:08:58.49 | 0.1 | undecidable | manual | S | 21 | 18.0708 | 119 | -0.11 | 96 |
IV.GAVE.EHZ. | 2021-08-31T04:08:57.47 | 0.1 | undecidable | manual | P | 179 | 29.8479 | 50 | -0.12 | 94 |
IV.MC2.EHZ. | 2021-08-31T04:08:57.15 | 0.1 | undecidable | manual | P | 103 | 24.8529 | 112 | 0.36 | 90 |
IV.CSP1.EHZ. | 2021-08-31T04:08:57.29 | 0.1 | undecidable | manual | P | 60 | 29.2485 | 50 | -0.21 | 92 |
IV.NRCA.HHZ. | 2021-08-31T04:08:56.43 | 0.1 | undecidable | manual | P | 128 | 23.0547 | 113 | -0.03 | 96 |
IV.MML1.EHZ. | 2021-08-31T04:08:55.60 | 0.1 | undecidable | manual | P | 21 | 18.0708 | 119 | 0.03 | 97 |
IV.CESI.HHZ. | 2021-08-31T04:08:55.29 | 0.1 | undecidable | manual | S | 13 | 4.8951 | 154 | 0 | 100 |
IV.FDMO.HHZ. | 2021-08-31T04:08:55.41 | 0.1 | undecidable | manual | P | 62 | 17.9709 | 119 | -0.14 | 95 |
IV.CESI.HHZ. | 2021-08-31T04:08:53.84 | 0.1 | undecidable | manual | P | 13 | 4.8951 | 154 | 0.18 | 97 |
IV.SENI.EHZ. | 2021-08-31T04:08:44.80 | 3.0 | undecidable | manual | P | -3.91 | 0 | |||
IV.RSM2.HHZ. | 2021-08-31T04:08:40.79 | 3.0 | undecidable | manual | P | -4.72 | 0 | |||
IV.MURB.HHZ. | 2021-08-31T04:08:35.85 | 3.0 | negative | manual | P | 0.4 | 0 | |||
IV.ATPI.EHZ. | 2021-08-31T04:08:33.86 | 3.0 | undecidable | manual | P | -2.15 | 0 | |||
IV.ATVO.HHZ. | 2021-08-31T04:08:33.82 | 3.0 | positive | manual | P | -1.11 | 0 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.CESI.HHN. | ML:1.3 | 0.0003655 | 0.08 | AML | other | m | 2021-08-31T04:08:55.49 |
IV.CESI.HHE. | ML:1.5 | 0.000491 | 0.38 | AML | other | m | 2021-08-31T04:08:55.42 |
IV.MML1.EHN. | ML:0.7 | 0.000043899999999999996 | 0.36 | AML | other | m | 2021-08-31T04:08:58.57 |
IV.MML1.EHE. | ML:1.0 | 0.00008025 | 0.26 | AML | other | m | 2021-08-31T04:08:58.76 |
IV.FDMO.HHE. | ML:0.7 | 0.0000412 | 0.16 | AML | other | m | 2021-08-31T04:08:59.12 |
IV.FDMO.HHN. | ML:0.8 | 0.0000505 | 0.64 | AML | other | m | 2021-08-31T04:09:00.56 |
IV.NRCA.HHE. | ML:1.0 | 0.0000644 | 0.66 | AML | other | m | 2021-08-31T04:09:00.42 |
IV.NRCA.HHN. | ML:1.1 | 0.0000873 | 0.6 | AML | other | m | 2021-08-31T04:09:00.97 |
IV.CSP1.EHN. | ML:1.5 | 0.0001465 | 1.42 | AML | other | m | 2021-08-31T04:09:01.24 |
IV.CSP1.EHE. | ML:1.4 | 0.00013240000000000002 | 1.4 | AML | other | m | 2021-08-31T04:09:02.25 |
IV.GAVE.EHN. | ML:1.2 | 0.0000699 | 0.16 | AML | other | m | 2021-08-31T04:09:02.30 |
IV.GAVE.EHE. | ML:1.0 | 0.0000514 | 1.18 | AML | other | m | 2021-08-31T04:09:02.34 |