A magnitude ML 0.8 earthquake occured in region: 3 km S Norcia (PG), on
and geographic coordinates (lat, lon) 42.7710, 13.0970 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 | 3 | 4957 | 4957 |
Cascia | PG | 9 | 3217 | 8174 |
Preci | PG | 13 | 724 | 8898 |
Castelsantangelo sul Nera | MC | 15 | 281 | 9179 |
Poggiodomo | PG | 15 | 117 | 9296 |
Accumoli | RI | 15 | 667 | 9963 |
Cerreto di Spoleto | PG | 16 | 1075 | 11038 |
Arquata del Tronto | AP | 16 | 1178 | 12216 |
Cittareale | RI | 18 | 482 | 12698 |
Monteleone di Spoleto | PG | 18 | 599 | 13297 |
Visso | MC | 18 | 1107 | 14404 |
Vallo di Nera | PG | 19 | 364 | 14768 |
Sellano | PG | 19 | 1079 | 15847 |
Ussita | MC | 20 | 444 | 16291 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.8 | 2021-09-12 15:06:26 |
42.7707 | 13.0968 | 11 | 2021-09-12 15:14:04 |
Sala Sismica INGV-Roma | 95352221 |
Field | Value |
---|---|
Time (UTC) | 2021-09-12 15:06:26 ± 0.04 |
Latitude | 42.7707 ± 0.0018 |
Longitude | 13.0968 ± 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 | 95352221 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 254 |
Semi-minor axis of confidence ellipse (meter) | 171 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 278 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 250.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 54 |
Number of associated phases, regardless of their use for origin computation | 27 |
Number of defining phases | 27 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.16 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.38761 |
Number of stations at which the event was observed | 15 |
Number of stations from which data was used for origin computation | 15 |
Field | Value |
---|---|
Value | 0.8 |
Uncertainty | 0.2 |
Num. used stations | 14 |
Type of magnitude | ML |
Reference to an origin | 95352221 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-09-12 15:14:04 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.NARO.HHZ. | 2021-09-12T15:06:56.82 | 0.6 | undecidable | manual | S | -0.3 | 0.84 | |||
IV.MOMA.HHZ. | 2021-09-12T15:06:40.38 | 0.1 | undecidable | manual | S | 275 | 43.0236 | 50 | 0.31 | 90 |
IV.MML1.EHZ. | 2021-09-12T15:06:39.04 | 0.3 | undecidable | manual | S | 345 | 39.3273 | 50 | -0.05 | 72 |
IV.CSP1.EHZ. | 2021-09-12T15:06:38.49 | 0.3 | undecidable | manual | S | 14 | 36.741 | 50 | 0.12 | 71 |
IV.RM33.HNN. | 2021-09-12T15:06:36.78 | 0.1 | undecidable | manual | S | 162 | 30.5472 | 50 | 0.04 | 97 |
IV.CESI.HHZ. | 2021-09-12T15:06:36.35 | 0.1 | undecidable | manual | S | 329 | 30.3474 | 50 | -0.32 | 92 |
IV.FDMO.HHZ. | 2021-09-12T15:06:36.12 | 0.6 | undecidable | manual | S | 358 | 29.4483 | 50 | -0.33 | 46 |
IV.MOMA.HHZ. | 2021-09-12T15:06:34.34 | 0.6 | undecidable | manual | P | 275 | 43.0236 | 50 | 0.2 | 46 |
IV.MTRA.HNE. | 2021-09-12T15:06:34.96 | 0.1 | undecidable | manual | S | 94 | 24.4533 | 50 | -0.15 | 96 |
IV.MMO1.HNE. | 2021-09-12T15:06:34.84 | 0.1 | undecidable | manual | S | 53 | 23.5542 | 50 | -0.02 | 99 |
IV.GAVE.HNN. | 2021-09-12T15:06:33.40 | 0.1 | undecidable | manual | S | 242 | 18.6702 | 120 | -0.1 | 98 |
IV.CSP1.EHZ. | 2021-09-12T15:06:33.08 | 0.6 | negative | manual | P | 14 | 36.741 | 50 | -0.08 | 48 |
IV.MC2.EHZ. | 2021-09-12T15:06:33.38 | 0.1 | undecidable | manual | S | 26 | 17.2716 | 122 | 0.28 | 95 |
IV.MML1.EHZ. | 2021-09-12T15:06:33.77 | 1.0 | undecidable | manual | P | 345 | 39.3273 | 50 | 0.2 | 23 |
IV.LNSS.HHZ. | 2021-09-12T15:06:33.49 | 0.1 | undecidable | manual | S | 194 | 19.1697 | 119 | -0.17 | 97 |
IV.RM33.HNN. | 2021-09-12T15:06:32.19 | 0.1 | undecidable | manual | P | 162 | 30.5472 | 50 | -0.03 | 98 |
IV.CESI.HHZ. | 2021-09-12T15:06:32.35 | 0.1 | undecidable | manual | P | 329 | 30.3474 | 50 | 0.18 | 95 |
IV.FDMO.HHZ. | 2021-09-12T15:06:31.69 | 0.6 | positive | manual | P | 358 | 29.4483 | 50 | -0.36 | 46 |
IV.MTRA.HNE. | 2021-09-12T15:06:31.31 | 0.3 | undecidable | manual | P | 94 | 24.4533 | 50 | 0.04 | 74 |
IV.MMO1.HNE. | 2021-09-12T15:06:31.14 | 0.6 | undecidable | manual | P | 53 | 23.5542 | 50 | 0.01 | 50 |
IV.SMA1.EHZ. | 2021-09-12T15:06:31.50 | 0.6 | undecidable | manual | P | 129 | 24.8529 | 50 | 0.16 | 48 |
IV.MC2.EHZ. | 2021-09-12T15:06:30.23 | 0.6 | positive | manual | P | 26 | 17.2716 | 122 | 0.12 | 49 |
IV.LNSS.HHZ. | 2021-09-12T15:06:30.50 | 0.1 | undecidable | manual | P | 194 | 19.1697 | 119 | 0.06 | 99 |
IV.NRCA.HHZ. | 2021-09-12T15:06:30.31 | 0.1 | undecidable | manual | S | 11 | 7.0929 | 146 | -0.18 | 98 |
IV.GAVE.HNN. | 2021-09-12T15:06:30.31 | 0.1 | undecidable | manual | P | 242 | 18.6702 | 120 | -0.04 | 99 |
IV.T1299.HNE. | 2021-09-12T15:06:30.86 | 0.1 | undecidable | manual | P | 135 | 21.3675 | 50 | 0.06 | 98 |
IV.NRCA.HHZ. | 2021-09-12T15:06:28.71 | 0.1 | undecidable | manual | P | 11 | 7.0929 | 146 | 0.1 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:0.9 | 0.000127 | 0.6 | AML | other | m | 2021-09-12T15:06:30.90 |
IV.NRCA.HHE. | ML:1.0 | 0.0001365 | 0.08 | AML | other | m | 2021-09-12T15:06:31.91 |
IV.LNSS.HHE. | ML:0.9 | 0.0000669 | 0.14 | AML | other | m | 2021-09-12T15:06:33.88 |
IV.LNSS.HHN. | ML:1.0 | 0.0000766 | 0.2 | AML | other | m | 2021-09-12T15:06:34.14 |
IV.FDMO.HHE. | ML:0.5 | 0.0000154 | 0.8 | AML | other | m | 2021-09-12T15:06:36.48 |
IV.FDMO.HHN. | ML:0.7 | 0.000025972146500000002 | 0.128 | AML | other | m | 2021-09-12T15:06:36.70 |
IV.NRCA.HNE. | ML:1.0 | 0.000135334759 | 0.1536 | AML | other | m | 2021-09-12T15:06:31.99 |
IV.NRCA.HNN. | ML:1.0 | 0.00012872735000000001 | 0.1024 | AML | other | m | 2021-09-12T15:06:30.47 |
IV.LNSS.HNE. | ML:1.0 | 0.00007735744 | 0.6784 | AML | other | m | 2021-09-12T15:06:31.44 |
IV.SMA1.EHE. | ML:0.8 | 0.00003403871 | 0.5376 | AML | other | m | 2021-09-12T15:06:39.77 |
IV.SMA1.EHN. | ML:0.5 | 0.000018295054999999997 | 0.2816 | AML | other | m | 2021-09-12T15:06:38.66 |
IV.CSP1.EHN. | ML:0.9 | 0.00002918818 | 0.1792 | AML | other | m | 2021-09-12T15:06:39.44 |
IV.MML1.EHE. | ML:0.6 | 0.00001352664 | 0.1408 | AML | other | m | 2021-09-12T15:06:40.27 |
IV.MML1.EHN. | ML:0.5 | 0.0000095925445 | 0.1152 | AML | other | m | 2021-09-12T15:06:40.33 |