A magnitude ML 1.2 earthquake occured in region: 8 km SE Norcia (PG), on
and geographic coordinates (lat, lon) 42.7400, 13.1650 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 |
---|---|---|---|---|
Norcia | PG | 8 | 4957 | 4957 |
Accumoli | RI | 8 | 667 | 5624 |
Arquata del Tronto | AP | 12 | 1178 | 6802 |
Cascia | PG | 13 | 3217 | 10019 |
Cittareale | RI | 14 | 482 | 10501 |
Amatrice | RI | 16 | 2657 | 13158 |
Castelsantangelo sul Nera | MC | 17 | 281 | 13439 |
Montegallo | AP | 18 | 523 | 13962 |
Preci | PG | 19 | 724 | 14686 |
Poggiodomo | PG | 19 | 117 | 14803 |
Monteleone di Spoleto | PG | 20 | 599 | 15402 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.2 | 2020-07-25 22:11:06 |
42.7397 | 13.1648 | 10 | 2020-07-25 22:17:36 |
Sala Sismica INGV-Roma | 81345961 |
Field | Value |
---|---|
Time (UTC) | 2020-07-25 22:11:06 ± 0.06 |
Latitude | 42.7397 ± 0.0036 |
Longitude | 13.1648 ± 0.0037 |
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 | 81345961 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 356 |
Semi-minor axis of confidence ellipse (meter) | 219 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 12 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 360.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 110 |
Number of associated phases, regardless of their use for origin computation | 20 |
Number of defining phases | 19 |
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) | 0.44067 |
Number of stations at which the event was observed | 12 |
Number of stations from which data was used for origin computation | 11 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.2 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 81345961 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-07-25 22:17:36 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MOMA.HHZ. | 2020-07-25T22:11:23.09 | 0.6 | undecidable | manual | S | 279 | 48.9177 | 50 | 0.44 | 43 |
IV.FIAM.HHZ. | 2020-07-25T22:11:21.70 | 3.0 | undecidable | manual | S | -2.47 | 0 | |||
IV.TERO.HHZ. | 2020-07-25T22:11:19.41 | 0.6 | undecidable | manual | S | 110 | 38.1285 | 50 | -0.34 | 45 |
IV.GAVE.EHZ. | 2020-07-25T22:11:15.20 | 0.6 | undecidable | manual | S | 257 | 22.6551 | 113 | -0.23 | 48 |
IV.MOMA.HHZ. | 2020-07-25T22:11:15.92 | 0.1 | undecidable | manual | P | 279 | 48.9177 | 50 | -0.05 | 95 |
IV.MMO1.EHZ. | 2020-07-25T22:11:15.14 | 0.6 | undecidable | manual | S | 37 | 22.0668 | 114 | -0.1 | 49 |
IV.MF5.EHZ. | 2020-07-25T22:11:14.52 | 0.6 | negative | manual | P | 41 | 36.5412 | 50 | 0.47 | 44 |
IV.SMA1.EHZ. | 2020-07-25T22:11:14.29 | 0.6 | undecidable | manual | S | 131 | 18.4704 | 118 | 0.18 | 49 |
IV.MC2.EHZ. | 2020-07-25T22:11:14.42 | 0.6 | undecidable | manual | S | 6 | 19.1697 | 117 | 0.1 | 49 |
IV.CSP1.EHZ. | 2020-07-25T22:11:14.24 | 0.1 | undecidable | manual | P | 5 | 39.2274 | 50 | -0.23 | 93 |
IV.TERO.HHZ. | 2020-07-25T22:11:14.24 | 0.3 | undecidable | manual | P | 110 | 38.1285 | 50 | -0.06 | 72 |
IV.ARRO.EHZ. | 2020-07-25T22:11:14.28 | 1.0 | negative | manual | P | 241 | 37.1295 | 50 | 0.13 | 24 |
IV.MTRA.EHZ. | 2020-07-25T22:11:14.23 | 0.6 | undecidable | manual | S | 84 | 18.9699 | 117 | -0.04 | 50 |
IV.GAVE.EHZ. | 2020-07-25T22:11:11.65 | 0.3 | positive | manual | P | 257 | 22.6551 | 113 | -0.16 | 73 |
IV.MTRA.EHZ. | 2020-07-25T22:11:11.16 | 0.6 | negative | manual | P | 84 | 18.9699 | 117 | 0.02 | 50 |
IV.MMO1.EHZ. | 2020-07-25T22:11:11.65 | 0.6 | negative | manual | P | 37 | 22.0668 | 114 | -0.05 | 50 |
IV.SMA1.EHZ. | 2020-07-25T22:11:11.26 | 0.6 | positive | manual | P | 131 | 18.4704 | 118 | 0.22 | 48 |
IV.NRCA.HHZ. | 2020-07-25T22:11:11.91 | 0.6 | undecidable | manual | S | 338 | 11.1777 | 131 | -0.12 | 50 |
IV.MC2.EHZ. | 2020-07-25T22:11:11.32 | 1.0 | undecidable | manual | P | 6 | 19.1697 | 117 | 0.16 | 24 |
IV.NRCA.HHZ. | 2020-07-25T22:11:09.94 | 0.1 | negative | manual | P | 338 | 11.1777 | 131 | 0.1 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.6 | 0.00047650000000000004 | 1.9 | AML | other | m | 2020-07-25T22:11:12.04 |
IV.NRCA.HHE. | ML:1.6 | 0.0004505 | 0.12 | AML | other | m | 2020-07-25T22:11:12.21 |
IV.MTRA.EHE. | ML:1.3 | 0.000144 | 0.34 | AML | other | m | 2020-07-25T22:11:14.33 |
IV.MTRA.EHN. | ML:1.1 | 0.00010345 | 0.32 | AML | other | m | 2020-07-25T22:11:14.68 |
IV.SMA1.EHE. | ML:1.2 | 0.000123 | 0.24 | AML | other | m | 2020-07-25T22:11:15.38 |
IV.GAVE.EHN. | ML:1.1 | 0.0000737 | 0.32 | AML | other | m | 2020-07-25T22:11:16.27 |
IV.SMA1.EHN. | ML:0.9 | 0.0000658 | 1.56 | AML | other | m | 2020-07-25T22:11:16.18 |
IV.GAVE.EHE. | ML:1.2 | 0.0001028 | 0.44 | AML | other | m | 2020-07-25T22:11:16.71 |
IV.TERO.HHE. | ML:1.0 | 0.00003765 | 0.46 | AML | other | m | 2020-07-25T22:11:19.54 |
IV.TERO.HHN. | ML:1.0 | 0.0000424 | 1.08 | AML | other | m | 2020-07-25T22:11:20.59 |
IV.MOMA.HHE. | ML:1.4 | 0.0000753 | 1.78 | AML | other | m | 2020-07-25T22:11:24.08 |
IV.MOMA.HHN. | ML:1.2 | 0.00004725 | 0.2 | AML | other | m | 2020-07-25T22:11:24.33 |