A magnitude ML 0.8 earthquake occured in region: 3 km SE Norcia (PG), on
and geographic coordinates (lat, lon) 42.7700, 13.1160 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 | 10 | 3217 | 8174 |
Accumoli | RI | 14 | 667 | 8841 |
Preci | PG | 14 | 724 | 9565 |
Castelsantangelo sul Nera | MC | 14 | 281 | 9846 |
Arquata del Tronto | AP | 15 | 1178 | 11024 |
Poggiodomo | PG | 16 | 117 | 11141 |
Cerreto di Spoleto | PG | 17 | 1075 | 12216 |
Cittareale | RI | 17 | 482 | 12698 |
Visso | MC | 18 | 1107 | 13805 |
Monteleone di Spoleto | PG | 19 | 599 | 14404 |
Ussita | MC | 20 | 444 | 14848 |
Montegallo | AP | 20 | 523 | 15371 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.8 | 2021-07-12 13:26:08 |
42.7697 | 13.1157 | 11 | 2021-07-12 13:33:24 |
Sala Sismica INGV-Roma | 92669451 |
Field | Value |
---|---|
Time (UTC) | 2021-07-12 13:26:08 ± 0.06 |
Latitude | 42.7697 ± 0.0027 |
Longitude | 13.1157 ± 0.0061 |
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 | 92669451 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 517 |
Semi-minor axis of confidence ellipse (meter) | 191 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 285 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 520.0 |
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 | 17 |
Number of defining phases | 16 |
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 | 10 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 0.8 |
Uncertainty | 0.3 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 92669451 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-07-12 13:33:24 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CSP1.EHZ. | 2021-07-12T13:26:20.62 | 0.3 | undecidable | manual | S | 11 | 36.4413 | 50 | 0.41 | 68 |
IV.FDMO.HHZ. | 2021-07-12T13:26:18.32 | 0.3 | undecidable | manual | S | 356 | 29.6481 | 50 | -0.09 | 73 |
IV.RM33.EHZ. | 2021-07-12T13:26:18.67 | 0.3 | undecidable | manual | S | 164 | 30.0477 | 50 | 0.18 | 72 |
IV.TERO.HHZ. | 2021-07-12T13:26:16.04 | 0.6 | undecidable | manual | P | 112 | 43.0236 | 50 | -0.02 | 48 |
IV.MMO1.EHZ. | 2021-07-12T13:26:16.33 | 0.6 | undecidable | manual | S | 50 | 22.4553 | 50 | -0.13 | 49 |
IV.GAVE.EHZ. | 2021-07-12T13:26:15.83 | 0.3 | undecidable | manual | S | 245 | 19.9689 | 50 | 0.01 | 76 |
IV.MML1.EHZ. | 2021-07-12T13:26:15.47 | 0.3 | undecidable | manual | P | 343 | 39.9267 | 50 | -0.11 | 72 |
IV.LNSS.HHZ. | 2021-07-12T13:26:15.82 | 0.6 | undecidable | manual | S | 198 | 19.4694 | 50 | 0.14 | 49 |
IV.CSP1.EHZ. | 2021-07-12T13:26:15.04 | 0.3 | undecidable | manual | P | 11 | 36.4413 | 50 | -0.01 | 73 |
IV.RM33.EHZ. | 2021-07-12T13:26:14.04 | 0.3 | undecidable | manual | P | 164 | 30.0477 | 50 | -0.02 | 74 |
IV.ARRO.EHZ. | 2021-07-12T13:26:14.91 | 3.0 | negative | manual | P | -0.57 | 0 | |||
IV.FDMO.HHZ. | 2021-07-12T13:26:13.85 | 0.3 | undecidable | manual | P | 356 | 29.6481 | 50 | -0.16 | 72 |
IV.LNSS.HHZ. | 2021-07-12T13:26:12.08 | 0.3 | undecidable | manual | P | 198 | 19.4694 | 50 | -0.36 | 70 |
IV.MMO1.EHZ. | 2021-07-12T13:26:12.79 | 0.3 | undecidable | manual | P | 50 | 22.4553 | 50 | -0.1 | 74 |
IV.NRCA.HHZ. | 2021-07-12T13:26:12.50 | 0.3 | undecidable | manual | S | 359 | 7.0929 | 147 | -0.05 | 77 |
IV.GAVE.EHZ. | 2021-07-12T13:26:12.60 | 0.3 | undecidable | manual | P | 245 | 19.9689 | 50 | 0.09 | 74 |
IV.NRCA.HHZ. | 2021-07-12T13:26:10.79 | 0.1 | undecidable | manual | P | 359 | 7.0929 | 147 | 0.16 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.LNSS.HHN. | ML:1.1 | 0.00008675 | 0.4 | AML | other | m | 2021-07-12T13:26:16.91 |
IV.LNSS.HHE. | ML:1.0 | 0.00007515 | 1.02 | AML | other | m | 2021-07-12T13:26:17.80 |
IV.NRCA.HHE. | ML:1.2 | 0.00019751475000000002 | 0.0832 | AML | other | m | 2021-07-12T13:26:12.63 |
IV.NRCA.HHN. | ML:1.2 | 0.00023051179999999998 | 0.0768 | AML | other | m | 2021-07-12T13:26:12.53 |
IV.GAVE.EHE. | ML:0.7 | 0.00003608404 | 0.0768 | AML | other | m | 2021-07-12T13:26:17.36 |
IV.GAVE.EHN. | ML:0.8 | 0.000043288020000000004 | 0.16 | AML | other | m | 2021-07-12T13:26:17.08 |
IV.FDMO.HHE. | ML:0.5 | 0.00001706228 | 0.16 | AML | other | m | 2021-07-12T13:26:18.78 |
IV.FDMO.HHN. | ML:0.5 | 0.000013538955 | 0.1984 | AML | other | m | 2021-07-12T13:26:19.64 |
IV.RM33.EHE. | ML:0.3 | 0.000011632497499999999 | 0.2176 | AML | other | m | 2021-07-12T13:26:21.17 |
IV.RM33.EHN. | ML:0.5 | 0.00001285405 | 0.16 | AML | other | m | 2021-07-12T13:26:20.40 |
IV.CSP1.EHE. | ML:0.9 | 0.00003069324 | 0.2624 | AML | other | m | 2021-07-12T13:26:20.79 |
IV.CSP1.EHN. | ML:1.2 | 0.00005506179 | 0.2432 | AML | other | m | 2021-07-12T13:26:21.52 |