A magnitude ML 0.8 earthquake occured in region: 4 km NW Norcia (PG), on
and geographic coordinates (lat, lon) 42.8250, 13.0650 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 | 4 | 4957 | 4957 |
Preci | PG | 6 | 724 | 5681 |
Castelsantangelo sul Nera | MC | 11 | 281 | 5962 |
Visso | MC | 12 | 1107 | 7069 |
Cerreto di Spoleto | PG | 12 | 1075 | 8144 |
Cascia | PG | 13 | 3217 | 11361 |
Sellano | PG | 13 | 1079 | 12440 |
Ussita | MC | 15 | 444 | 12884 |
Poggiodomo | PG | 16 | 117 | 13001 |
Vallo di Nera | PG | 18 | 364 | 13365 |
Monte Cavallo | MC | 20 | 145 | 13510 |
Arquata del Tronto | AP | 20 | 1178 | 14688 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.8 | 2021-09-06 22:02:22 |
42.8252 | 13.0652 | 11 | 2021-09-06 22:10:30 |
Sala Sismica INGV-Roma | 95124781 |
Field | Value |
---|---|
Time (UTC) | 2021-09-06 22:02:22 ± 0.03 |
Latitude | 42.8252 ± 0.0018 |
Longitude | 13.0652 ± 0.0037 |
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 | 95124781 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 261 |
Semi-minor axis of confidence ellipse (meter) | 114 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 82 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 260.0 |
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 | 28 |
Number of defining phases | 27 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.12 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.33455 |
Number of stations at which the event was observed | 15 |
Number of stations from which data was used for origin computation | 14 |
Field | Value |
---|---|
Value | 0.8 |
Uncertainty | 0.3 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 95124781 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-09-06 22:10:30 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ARVD.HHZ. | 2021-09-06T22:02:43.49 | 3.0 | undecidable | manual | S | -3.76 | 0 | |||
IV.RM33.EHZ. | 2021-09-06T22:02:35.37 | 0.1 | undecidable | manual | S | 161 | 37.1295 | 50 | 0.19 | 92 |
IV.MML1.EHZ. | 2021-09-06T22:02:34.34 | 0.1 | undecidable | manual | S | 347 | 32.8449 | 50 | 0.3 | 90 |
IV.CSP1.EHZ. | 2021-09-06T22:02:33.81 | 0.1 | undecidable | manual | S | 21 | 31.6461 | 50 | 0.09 | 94 |
IV.T1299.HNZ. | 2021-09-06T22:02:32.55 | 0.6 | undecidable | manual | S | 140 | 27.5502 | 50 | -0.09 | 48 |
IV.CESI.HHZ. | 2021-09-06T22:02:31.59 | 0.1 | undecidable | manual | S | 327 | 23.8539 | 50 | -0.04 | 97 |
IV.MMO1.EHZ. | 2021-09-06T22:02:31.20 | 0.1 | undecidable | manual | S | 69 | 22.8549 | 50 | -0.16 | 94 |
IV.LNSS.HNN. | 2021-09-06T22:02:31.82 | 0.3 | undecidable | manual | S | 185 | 24.753 | 50 | -0.05 | 72 |
IV.FDMO.HHZ. | 2021-09-06T22:02:31.36 | 0.1 | undecidable | manual | S | 4 | 23.5542 | 50 | -0.19 | 94 |
IT.MTCL.HGN. | 2021-09-06T22:02:30.25 | 0.3 | undecidable | manual | S | 344 | 19.4694 | 50 | -0.22 | 70 |
IV.GAVE.HNE. | 2021-09-06T22:02:30.59 | 0.3 | undecidable | manual | S | 223 | 20.2686 | 50 | -0.09 | 72 |
IV.MML1.EHZ. | 2021-09-06T22:02:29.27 | 1.0 | undecidable | manual | P | 347 | 32.8449 | 50 | -0.01 | 24 |
IV.RM33.EHZ. | 2021-09-06T22:02:29.89 | 0.6 | negative | manual | P | 161 | 37.1295 | 50 | -0.05 | 47 |
IV.FEMA.HNN. | 2021-09-06T22:02:29.35 | 0.3 | undecidable | manual | S | 355 | 15.2736 | 126 | 0.06 | 73 |
IV.MC2.EHZ. | 2021-09-06T22:02:29.06 | 0.3 | undecidable | manual | S | 46 | 13.875 | 128 | 0.14 | 72 |
IV.CSP1.EHZ. | 2021-09-06T22:02:29.18 | 1.0 | negative | manual | P | 21 | 31.6461 | 50 | 0.08 | 24 |
IV.T1299.HNZ. | 2021-09-06T22:02:28.63 | 0.1 | undecidable | manual | P | 140 | 27.5502 | 50 | 0.16 | 94 |
IV.SMA1.EHE. | 2021-09-06T22:02:28.94 | 0.3 | undecidable | manual | P | 134 | 30.8469 | 50 | -0.03 | 72 |
IV.MMO1.EHZ. | 2021-09-06T22:02:27.72 | 0.6 | negative | manual | P | 69 | 22.8549 | 50 | -0.01 | 49 |
IV.LNSS.HNN. | 2021-09-06T22:02:27.89 | 0.1 | undecidable | manual | P | 185 | 24.753 | 50 | -0.14 | 94 |
IV.FDMO.HHZ. | 2021-09-06T22:02:27.86 | 0.3 | negative | manual | P | 4 | 23.5542 | 50 | 0.02 | 73 |
IT.MTCL.HGN. | 2021-09-06T22:02:27.17 | 0.1 | undecidable | manual | P | 344 | 19.4694 | 50 | -0.05 | 97 |
IV.CESI.HHZ. | 2021-09-06T22:02:27.89 | 0.1 | positive | manual | P | 327 | 23.8539 | 50 | 0 | 97 |
IV.GAVE.HNE. | 2021-09-06T22:02:27.43 | 0.1 | undecidable | manual | P | 223 | 20.2686 | 50 | 0.09 | 96 |
IV.NRCA.HHZ. | 2021-09-06T22:02:26.63 | 0.1 | undecidable | manual | S | 77 | 4.0959 | 159 | -0.2 | 97 |
IV.FEMA.HNN. | 2021-09-06T22:02:26.55 | 0.1 | undecidable | manual | P | 355 | 15.2736 | 126 | 0.01 | 99 |
IV.MC2.EHZ. | 2021-09-06T22:02:26.52 | 1.0 | undecidable | manual | P | 46 | 13.875 | 128 | 0.2 | 24 |
IV.NRCA.HHZ. | 2021-09-06T22:02:25.16 | 0.1 | undecidable | manual | P | 77 | 4.0959 | 159 | 0.03 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHE. | ML:1.2 | 0.00022790465 | 0.128 | AML | other | m | 2021-09-06T22:02:27.65 |
IV.NRCA.HHN. | ML:1.1 | 0.000194 | 0.08 | AML | other | m | 2021-09-06T22:02:27.62 |
IV.FDMO.HHE. | ML:0.9 | 0.00004396207 | 0.2048 | AML | other | m | 2021-09-06T22:02:31.59 |
IV.FDMO.HHN. | ML:0.8 | 0.000040832090000000004 | 0.1408 | AML | other | m | 2021-09-06T22:02:31.71 |
IV.NRCA.HNE. | ML:1.1 | 0.00020958065 | 0.1408 | AML | other | m | 2021-09-06T22:02:27.65 |
IV.NRCA.HNN. | ML:1.1 | 0.0001937068 | 0.0768 | AML | other | m | 2021-09-06T22:02:27.67 |
IV.CESI.HHE. | ML:0.4 | 0.00001571882 | 0.0768 | AML | other | m | 2021-09-06T22:02:32.24 |
IV.CESI.HHN. | ML:0.5 | 0.000020106957 | 0.1408 | AML | other | m | 2021-09-06T22:02:32.18 |
IV.CSP1.EHN. | ML:1.0 | 0.000052221204999999994 | 0.3456 | AML | other | m | 2021-09-06T22:02:35.53 |
IV.MML1.EHE. | ML:0.5 | 0.000014961031499999999 | 0.1664 | AML | other | m | 2021-09-06T22:02:35.50 |
IV.MML1.EHN. | ML:0.4 | 0.000010462339000000001 | 0.256 | AML | other | m | 2021-09-06T22:02:36.14 |
IV.RM33.EHE. | ML:0.4 | 0.000011470397999999999 | 0.1664 | AML | other | m | 2021-09-06T22:02:37.66 |