A magnitude ML 1.0 earthquake occured in region: 2 km W Norcia (PG), on
and geographic coordinates (lat, lon) 42.7950, 13.0720 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 |
---|---|---|---|---|
Norcia | PG | 2 | 4957 | 4957 |
Cascia | PG | 10 | 3217 | 8174 |
Preci | PG | 10 | 724 | 8898 |
Cerreto di Spoleto | PG | 13 | 1075 | 9973 |
Castelsantangelo sul Nera | MC | 13 | 281 | 10254 |
Poggiodomo | PG | 14 | 117 | 10371 |
Visso | MC | 15 | 1107 | 11478 |
Sellano | PG | 16 | 1079 | 12557 |
Vallo di Nera | PG | 17 | 364 | 12921 |
Ussita | MC | 18 | 444 | 13365 |
Accumoli | RI | 18 | 667 | 14032 |
Arquata del Tronto | AP | 19 | 1178 | 15210 |
Monteleone di Spoleto | PG | 19 | 599 | 15809 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.0 | 2021-09-26 08:01:07 |
42.7947 | 13.0717 | 11 | 2021-09-26 08:07:50 |
Sala Sismica INGV-Roma | 95893421 |
Field | Value |
---|---|
Time (UTC) | 2021-09-26 08:01:07 ± 0.04 |
Latitude | 42.7947 ± 0.0027 |
Longitude | 13.0717 ± 0.0049 |
Depth (km) | 11 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 95893421 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 450 |
Semi-minor axis of confidence ellipse (meter) | 126 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 296 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 450.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 98 |
Number of associated phases, regardless of their use for origin computation | 21 |
Number of defining phases | 19 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.15 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.31296 |
Number of stations at which the event was observed | 13 |
Number of stations from which data was used for origin computation | 11 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.2 |
Num. used stations | 15 |
Type of magnitude | ML |
Reference to an origin | 95893421 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-09-26 08:07:50 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.PP3.EHZ. | 2021-09-26T08:01:22.70 | 3.0 | negative | manual | P | 0.05 | 0 | |||
IV.RM33.EHZ. | 2021-09-26T08:01:19.75 | 0.3 | undecidable | manual | S | 160 | 33.744 | 50 | 0.3 | 68 |
IV.CSP1.EHZ. | 2021-09-26T08:01:19.77 | 0.3 | undecidable | manual | S | 18 | 34.743 | 50 | 0.07 | 70 |
IV.FDMO.HHZ. | 2021-09-26T08:01:17.38 | 0.3 | undecidable | manual | S | 3 | 26.8509 | 50 | -0.22 | 71 |
IV.MURB.HHZ. | 2021-09-26T08:01:17.81 | 3.0 | positive | manual | P | -1.74 | 0 | |||
IV.LNSS.HHZ. | 2021-09-26T08:01:16.02 | 0.3 | undecidable | manual | S | 187 | 21.4674 | 50 | -0.14 | 72 |
IV.MMO1.EHZ. | 2021-09-26T08:01:16.72 | 0.3 | undecidable | manual | S | 61 | 23.754 | 50 | -0.06 | 73 |
IV.GAVE.EHZ. | 2021-09-26T08:01:15.32 | 0.1 | undecidable | manual | S | 232 | 18.3705 | 121 | -0.01 | 97 |
IV.MC2.EHZ. | 2021-09-26T08:01:14.98 | 0.1 | undecidable | manual | S | 36 | 16.0728 | 124 | 0.32 | 94 |
IV.RM33.EHZ. | 2021-09-26T08:01:14.58 | 0.1 | undecidable | manual | P | 160 | 33.744 | 50 | 0 | 96 |
IV.CSP1.EHZ. | 2021-09-26T08:01:14.59 | 0.1 | undecidable | manual | P | 18 | 34.743 | 50 | -0.13 | 94 |
IV.CESI.HNE. | 2021-09-26T08:01:13.54 | 0.1 | undecidable | manual | P | 330 | 26.9508 | 50 | 0 | 96 |
IV.FDMO.HHZ. | 2021-09-26T08:01:13.34 | 0.1 | undecidable | manual | P | 3 | 26.8509 | 50 | -0.17 | 95 |
IV.MTRA.HNZ. | 2021-09-26T08:01:13.30 | 0.1 | undecidable | manual | P | 99 | 26.751 | 50 | -0.2 | 93 |
IV.NRCA.HHZ. | 2021-09-26T08:01:12.06 | 0.1 | undecidable | manual | S | 39 | 5.5944 | 153 | -0.1 | 97 |
IV.GAVE.EHZ. | 2021-09-26T08:01:12.24 | 0.1 | undecidable | manual | P | 232 | 18.3705 | 121 | 0.04 | 97 |
IV.MMO1.EHZ. | 2021-09-26T08:01:12.96 | 0.3 | undecidable | manual | P | 61 | 23.754 | 50 | -0.08 | 72 |
IT.MTCL.HGN. | 2021-09-26T08:01:12.87 | 0.3 | undecidable | manual | P | 345 | 22.8549 | 50 | -0.03 | 73 |
IV.LNSS.HHZ. | 2021-09-26T08:01:12.61 | 0.1 | positive | manual | P | 187 | 21.4674 | 50 | -0.07 | 97 |
IV.MC2.EHZ. | 2021-09-26T08:01:11.92 | 0.1 | undecidable | manual | P | 36 | 16.0728 | 124 | 0.1 | 98 |
IV.NRCA.HHZ. | 2021-09-26T08:01:10.48 | 0.1 | undecidable | manual | P | 39 | 5.5944 | 153 | 0.11 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.GAVE.EHE. | ML:1.2 | 0.0001185 | 0.38 | AML | other | m | 2021-09-26T08:01:15.50 |
IV.GAVE.EHN. | ML:1.2 | 0.00013000000000000002 | 0.12 | AML | other | m | 2021-09-26T08:01:15.71 |
IV.LNSS.HHE. | ML:1.1 | 0.00008315 | 0.12 | AML | other | m | 2021-09-26T08:01:16.43 |
IV.LNSS.HHN. | ML:1.2 | 0.00010550000000000002 | 0.12 | AML | other | m | 2021-09-26T08:01:16.53 |
IV.FDMO.HHE. | ML:0.7 | 0.000027049999999999997 | 1.88 | AML | other | m | 2021-09-26T08:01:18.94 |
IV.FDMO.HHN. | ML:1.0 | 0.00005345 | 0.12 | AML | other | m | 2021-09-26T08:01:18.09 |
IV.GAVE.HNE. | ML:1.1 | 0.00009105693500000001 | 0.1856 | AML | other | m | 2021-09-26T08:01:16.00 |
IV.GAVE.HNN. | ML:1.1 | 0.00009684599999999999 | 0.3776 | AML | other | m | 2021-09-26T08:01:15.60 |
IV.LNSS.HNE. | ML:1.1 | 0.00008766955500000001 | 0.128 | AML | other | m | 2021-09-26T08:01:16.49 |
IV.LNSS.HNN. | ML:1.3 | 0.000140002045 | 0.6976 | AML | other | m | 2021-09-26T08:01:16.53 |
IV.RM33.EHE. | ML:0.6 | 0.000017356305 | 0.16 | AML | other | m | 2021-09-26T08:01:21.09 |
IV.RM33.EHN. | ML:0.7 | 0.000020528299999999998 | 0.1024 | AML | other | m | 2021-09-26T08:01:19.98 |
IV.RM33.HNE. | ML:0.8 | 0.000027184003250000003 | 1.024 | AML | other | m | 2021-09-26T08:01:20.60 |
IV.CSP1.EHE. | ML:0.9 | 0.000036550987 | 0.1024 | AML | other | m | 2021-09-26T08:01:20.79 |
IV.CSP1.EHN. | ML:1.0 | 0.000042612575 | 0.224 | AML | other | m | 2021-09-26T08:01:20.83 |