A magnitude ML 1.0 earthquake occured in region: 5 km SE Sellano (PG), on
and geographic coordinates (lat, lon) 42.8540, 12.9730 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 |
Cerreto di Spoleto | PG | 6 | 1075 | 2154 |
Preci | PG | 6 | 724 | 2878 |
Norcia | PG | 12 | 4957 | 7835 |
Visso | MC | 13 | 1107 | 8942 |
Vallo di Nera | PG | 13 | 364 | 9306 |
Cascia | PG | 15 | 3217 | 12523 |
Castelsantangelo sul Nera | MC | 16 | 281 | 12804 |
Monte Cavallo | MC | 16 | 145 | 12949 |
Poggiodomo | PG | 16 | 117 | 13066 |
Campello sul Clitunno | PG | 16 | 2442 | 15508 |
Ussita | MC | 17 | 444 | 15952 |
Sant'Anatolia di Narco | PG | 17 | 564 | 16516 |
Trevi | PG | 19 | 8469 | 24985 |
Scheggino | PG | 19 | 461 | 25446 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.0 | 2021-10-31 16:48:16 |
42.854 | 12.9727 | 11 | 2021-10-31 16:53:26 |
Sala Sismica INGV-Roma | 97115411 |
Field | Value |
---|---|
Time (UTC) | 2021-10-31 16:48:16 ± 0.07 |
Latitude | 42.8540 ± 0.0036 |
Longitude | 12.9727 ± 0.0074 |
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 | 97115411 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 560 |
Semi-minor axis of confidence ellipse (meter) | 265 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 105 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 560.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 82 |
Number of associated phases, regardless of their use for origin computation | 19 |
Number of defining phases | 17 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.21 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.29947 |
Number of stations at which the event was observed | 11 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.3 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 97115411 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-10-31 16:53:26 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CRTC.HHZ. | 2021-10-31T16:48:46.78 | 3.0 | undecidable | manual | S | -2.31 | 0 | |||
IV.LRP.EHZ. | 2021-10-31T16:48:42.30 | 3.0 | negative | manual | P | 2.22 | 0 | |||
IV.CSP1.EHZ. | 2021-10-31T16:48:28.14 | 0.6 | undecidable | manual | S | 35 | 32.4453 | 50 | 0 | 48 |
IV.LNSS.HHZ. | 2021-10-31T16:48:27.05 | 0.6 | undecidable | manual | S | 169 | 28.4493 | 50 | -0.01 | 49 |
IV.MML1.EHZ. | 2021-10-31T16:48:27.09 | 0.6 | undecidable | manual | S | 360 | 28.749 | 50 | -0.08 | 48 |
IV.FDMO.HHZ. | 2021-10-31T16:48:25.31 | 0.6 | undecidable | manual | S | 25 | 22.2555 | 50 | -0.12 | 48 |
IV.MC2.EHZ. | 2021-10-31T16:48:24.79 | 0.6 | undecidable | manual | S | 70 | 18.6702 | 120 | 0.34 | 46 |
IV.GAVE.EHZ. | 2021-10-31T16:48:24.51 | 0.6 | undecidable | manual | S | 200 | 19.0698 | 119 | -0.04 | 49 |
IV.MOMA.HNZ. | 2021-10-31T16:48:24.31 | 0.3 | undecidable | manual | P | 260 | 33.2445 | 50 | 0.77 | 58 |
IV.CSP1.EHZ. | 2021-10-31T16:48:23.34 | 0.6 | positive | manual | P | 35 | 32.4453 | 50 | -0.07 | 48 |
IV.CESI.HHZ. | 2021-10-31T16:48:23.89 | 0.6 | undecidable | manual | S | 342 | 17.6712 | 121 | -0.23 | 47 |
IV.MML1.EHZ. | 2021-10-31T16:48:22.79 | 0.6 | undecidable | manual | P | 360 | 28.749 | 50 | -0.06 | 48 |
IV.NRCA.HHZ. | 2021-10-31T16:48:22.38 | 0.6 | undecidable | manual | S | 101 | 11.7771 | 133 | -0.11 | 49 |
IV.LNSS.HHZ. | 2021-10-31T16:48:22.56 | 0.1 | undecidable | manual | P | 169 | 28.4493 | 50 | -0.23 | 93 |
IV.GAVE.EHZ. | 2021-10-31T16:48:21.20 | 0.1 | positive | manual | P | 200 | 19.0698 | 119 | -0.14 | 96 |
IV.FDMO.HHZ. | 2021-10-31T16:48:21.73 | 0.6 | positive | manual | P | 25 | 22.2555 | 50 | -0.12 | 48 |
IV.MC2.EHZ. | 2021-10-31T16:48:21.48 | 0.1 | undecidable | manual | P | 70 | 18.6702 | 120 | 0.2 | 95 |
IV.CESI.HHZ. | 2021-10-31T16:48:21.03 | 0.1 | positive | manual | P | 342 | 17.6712 | 121 | -0.06 | 98 |
IV.NRCA.HHZ. | 2021-10-31T16:48:20.16 | 0.1 | negative | manual | P | 101 | 11.7771 | 133 | 0.01 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.5 | 0.00034649999999999997 | 0.1 | AML | other | m | 2021-10-31T16:48:22.46 |
IV.NRCA.HHE. | ML:1.1 | 0.00014299999999999998 | 0.7 | AML | other | m | 2021-10-31T16:48:22.52 |
IV.FDMO.HHE. | ML:1.3 | 0.0001388 | 0.16 | AML | other | m | 2021-10-31T16:48:25.36 |
IV.FDMO.HHN. | ML:0.9 | 0.0000484 | 0.58 | AML | other | m | 2021-10-31T16:48:25.32 |
IV.GAVE.EHN. | ML:0.7 | 0.000035000000000000004 | 0.68 | AML | other | m | 2021-10-31T16:48:25.65 |
IV.GAVE.EHE. | ML:0.8 | 0.000046949999999999996 | 0.18 | AML | other | m | 2021-10-31T16:48:25.85 |
IV.MML1.EHN. | ML:0.9 | 0.0000386 | 0.18 | AML | other | m | 2021-10-31T16:48:27.33 |
IV.MML1.EHE. | ML:0.9 | 0.0000395 | 0.18 | AML | other | m | 2021-10-31T16:48:27.33 |