A magnitude ML 1.1 earthquake occured in region: 3 km SE Sellano (PG), on
and geographic coordinates (lat, lon) 42.8710, 12.9510 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 | 3 | 1079 | 1079 |
Cerreto di Spoleto | PG | 6 | 1075 | 2154 |
Preci | PG | 7 | 724 | 2878 |
Visso | MC | 13 | 1107 | 3985 |
Vallo di Nera | PG | 13 | 364 | 4349 |
Monte Cavallo | MC | 14 | 145 | 4494 |
Norcia | PG | 15 | 4957 | 9451 |
Campello sul Clitunno | PG | 15 | 2442 | 11893 |
Trevi | PG | 17 | 8469 | 20362 |
Castelsantangelo sul Nera | MC | 17 | 281 | 20643 |
Ussita | MC | 17 | 444 | 21087 |
Cascia | PG | 18 | 3217 | 24304 |
Poggiodomo | PG | 18 | 117 | 24421 |
Sant'Anatolia di Narco | PG | 18 | 564 | 24985 |
Scheggino | PG | 20 | 461 | 25446 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2021-09-21 17:32:54 |
42.871 | 12.9512 | 10 | 2021-09-21 17:40:56 |
Sala Sismica INGV-Roma | 95711951 |
Field | Value |
---|---|
Time (UTC) | 2021-09-21 17:32:54 ± 0.06 |
Latitude | 42.8710 ± 0.0027 |
Longitude | 12.9512 ± 0.0049 |
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 | 95711951 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 416 |
Semi-minor axis of confidence ellipse (meter) | 305 |
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) | 420.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 104 |
Number of associated phases, regardless of their use for origin computation | 20 |
Number of defining phases | 18 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.19 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.38401 |
Number of stations at which the event was observed | 12 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.2 |
Num. used stations | 14 |
Type of magnitude | ML |
Reference to an origin | 95711951 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-09-21 17:40:56 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.SNTG.HHZ. | 2021-09-21T17:33:09.39 | 0.3 | undecidable | manual | S | 359 | 42.624 | 50 | 0.6 | 62 |
IV.SRES.HHZ. | 2021-09-21T17:33:07.05 | 3.0 | positive | manual | P | -1.98 | 0 | |||
IV.TERO.HHZ. | 2021-09-21T17:33:07.46 | 3.0 | undecidable | manual | P | 1.55 | 0 | |||
IV.ASSB.HHZ. | 2021-09-21T17:33:05.47 | 0.3 | undecidable | manual | S | 309 | 30.4473 | 50 | -0.07 | 72 |
IV.CSP1.EHZ. | 2021-09-21T17:33:05.93 | 0.3 | undecidable | manual | S | 40 | 32.0457 | 50 | -0.03 | 72 |
IV.MML1.EHZ. | 2021-09-21T17:33:04.53 | 0.3 | undecidable | manual | S | 4 | 26.9508 | 50 | -0.08 | 72 |
IV.GAVE.EHZ. | 2021-09-21T17:33:02.68 | 0.3 | undecidable | manual | S | 193 | 20.3685 | 117 | -0.02 | 74 |
IV.FDMO.HHZ. | 2021-09-21T17:33:02.87 | 0.3 | undecidable | manual | S | 31 | 21.4674 | 116 | -0.16 | 72 |
IV.SNTG.HHZ. | 2021-09-21T17:33:02.86 | 0.1 | undecidable | manual | P | 359 | 42.624 | 50 | -0.01 | 95 |
IV.ARRO.EHZ. | 2021-09-21T17:33:01.69 | 0.1 | undecidable | manual | P | 205 | 35.742 | 50 | -0.12 | 94 |
IV.CESI.HHZ. | 2021-09-21T17:33:01.25 | 0.1 | undecidable | manual | S | 346 | 15.3735 | 124 | 0.06 | 99 |
IV.CSP1.EHZ. | 2021-09-21T17:33:01.20 | 0.1 | undecidable | manual | P | 40 | 32.0457 | 50 | -0.04 | 96 |
IV.NRCA.HHZ. | 2021-09-21T17:33:00.80 | 0.1 | undecidable | manual | S | 107 | 13.875 | 126 | 0.01 | 100 |
IV.MML1.EHZ. | 2021-09-21T17:33:00.40 | 0.1 | undecidable | manual | P | 4 | 26.9508 | 50 | -0.06 | 97 |
IV.ASSB.HHZ. | 2021-09-21T17:33:00.83 | 0.6 | negative | manual | P | 309 | 30.4473 | 50 | -0.17 | 47 |
IV.FDMO.HHZ. | 2021-09-21T17:32:59.14 | 0.1 | undecidable | manual | P | 31 | 21.4674 | 116 | -0.41 | 91 |
IV.MC2.EHZ. | 2021-09-21T17:32:59.44 | 0.3 | undecidable | manual | P | 77 | 19.869 | 117 | 0.18 | 72 |
IV.GAVE.EHZ. | 2021-09-21T17:32:59.47 | 0.3 | positive | manual | P | 193 | 20.3685 | 117 | 0.11 | 73 |
IV.CESI.HHZ. | 2021-09-21T17:32:58.62 | 0.1 | undecidable | manual | P | 346 | 15.3735 | 124 | 0.14 | 97 |
IV.NRCA.HHZ. | 2021-09-21T17:32:58.40 | 0.1 | undecidable | manual | P | 107 | 13.875 | 126 | 0.15 | 97 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.9 | 0.0008 | 1.84 | AML | other | m | 2021-09-21T17:33:01.93 |
IV.CESI.HHE. | ML:0.9 | 0.00008235000000000001 | 0.14 | AML | other | m | 2021-09-21T17:33:01.41 |
IV.CESI.HHN. | ML:1.1 | 0.00011355 | 0.24 | AML | other | m | 2021-09-21T17:33:01.44 |
IV.NRCA.HHE. | ML:1.5 | 0.00029299999999999997 | 0.44 | AML | other | m | 2021-09-21T17:33:01.78 |
IV.GAVE.EHE. | ML:1.2 | 0.00010625000000000001 | 1.84 | AML | other | m | 2021-09-21T17:33:02.03 |
IV.FDMO.HHN. | ML:1.2 | 0.00010650000000000001 | 1.58 | AML | other | m | 2021-09-21T17:33:02.96 |
IV.GAVE.EHN. | ML:1.0 | 0.0000733 | 1.06 | AML | other | m | 2021-09-21T17:33:03.59 |
IV.FDMO.HHE. | ML:1.1 | 0.0000973 | 0.18 | AML | other | m | 2021-09-21T17:33:03.18 |
IV.MML1.EHE. | ML:1.0 | 0.000057499999999999995 | 0.52 | AML | other | m | 2021-09-21T17:33:04.90 |
IV.MML1.EHN. | ML:1.1 | 0.00006315 | 1.46 | AML | other | m | 2021-09-21T17:33:04.73 |
IV.ASSB.HHE. | ML:1.0 | 0.00004685 | 0.66 | AML | other | m | 2021-09-21T17:33:05.56 |
IV.ASSB.HHN. | ML:0.8 | 0.0000308 | 1.12 | AML | other | m | 2021-09-21T17:33:05.59 |
IV.ARRO.EHN. | ML:0.8 | 0.0000259 | 0.5 | AML | other | m | 2021-09-21T17:33:07.52 |
IV.ARRO.EHE. | ML:1.0 | 0.00003385 | 0.26 | AML | other | m | 2021-09-21T17:33:07.53 |