A magnitude ML 1.4 earthquake occured in region: 8 km SE Norcia (PG), on
and geographic coordinates (lat, lon) 42.7500, 13.1750 at 9 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 | 9 | 667 | 5624 |
Arquata del Tronto | AP | 10 | 1178 | 6802 |
Cascia | PG | 14 | 3217 | 10019 |
Cittareale | RI | 15 | 482 | 10501 |
Amatrice | RI | 16 | 2657 | 13158 |
Castelsantangelo sul Nera | MC | 16 | 281 | 13439 |
Montegallo | AP | 17 | 523 | 13962 |
Preci | PG | 18 | 724 | 14686 |
Acquasanta Terme | AP | 19 | 2916 | 17602 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.4 | 2020-02-04 00:18:12 |
42.7497 | 13.1753 | 9 | 2020-02-04 00:23:14 |
Sala Sismica INGV-Roma | 76178621 |
Field | Value |
---|---|
Time (UTC) | 2020-02-04 00:18:12 ± 0.08 |
Latitude | 42.7497 ± 0.0036 |
Longitude | 13.1753 ± 0.0061 |
Depth (km) | 9 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 76178621 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 540 |
Semi-minor axis of confidence ellipse (meter) | 157 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 125 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 540.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 94 |
Number of associated phases, regardless of their use for origin computation | 21 |
Number of defining phases | 16 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.23 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.32286 |
Number of stations at which the event was observed | 14 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 1.4 |
Uncertainty | 0.4 |
Num. used stations | 14 |
Type of magnitude | ML |
Reference to an origin | 76178621 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-02-04 00:23:14 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MF5.EHZ. | 2020-02-04T00:18:25.06 | 0.1 | undecidable | manual | S | 41 | 35.1426 | 50 | 0.59 | 83 |
IV.CESI.HHZ. | 2020-02-04T00:18:24.43 | 0.1 | undecidable | manual | S | 322 | 35.8419 | 50 | -0.24 | 91 |
IV.GAVE.EHZ. | 2020-02-04T00:18:21.23 | 0.1 | undecidable | manual | S | 255 | 23.754 | 112 | 0.08 | 96 |
IV.MOMA.HHZ. | 2020-02-04T00:18:21.31 | 3.0 | undecidable | manual | P | 1.27 | 0 | |||
IV.GIGS.HHZ. | 2020-02-04T00:18:20.25 | 3.0 | positive | manual | P | -1.22 | 0 | |||
IV.MMO1.EHZ. | 2020-02-04T00:18:19.89 | 0.1 | undecidable | manual | S | 37 | 20.6682 | 115 | -0.27 | 93 |
IV.LNSS.HHZ. | 2020-02-04T00:18:19.93 | 0.1 | undecidable | manual | S | 214 | 19.6692 | 116 | 0.09 | 97 |
IV.MF5.EHZ. | 2020-02-04T00:18:19.34 | 0.1 | undecidable | manual | P | 41 | 35.1426 | 50 | 0.03 | 96 |
IV.CESI.HHZ. | 2020-02-04T00:18:19.25 | 0.1 | undecidable | manual | P | 322 | 35.8419 | 50 | -0.18 | 92 |
IV.CSP1.EHZ. | 2020-02-04T00:18:19.59 | 3.0 | undecidable | manual | S | 1.7 | 0 | |||
IV.RM33.EHZ. | 2020-02-04T00:18:19.50 | 3.0 | positive | manual | P | 0.3 | 0 | |||
IV.MC2.EHZ. | 2020-02-04T00:18:19.48 | 0.1 | undecidable | manual | S | 4 | 17.9709 | 118 | 0.16 | 96 |
IV.TERO.HHZ. | 2020-02-04T00:18:19.02 | 3.0 | undecidable | manual | P | -0.18 | 0 | |||
IV.FDMO.HHZ. | 2020-02-04T00:18:18.72 | 0.1 | undecidable | manual | P | 347 | 32.6451 | 50 | -0.21 | 92 |
IV.NRCA.HHZ. | 2020-02-04T00:18:17.17 | 0.1 | undecidable | manual | S | 332 | 10.5783 | 132 | -0.01 | 100 |
IV.GAVE.EHZ. | 2020-02-04T00:18:17.41 | 0.1 | positive | manual | P | 255 | 23.754 | 112 | 0.01 | 98 |
IV.MC2.EHZ. | 2020-02-04T00:18:16.48 | 0.1 | undecidable | manual | P | 4 | 17.9709 | 118 | 0.14 | 96 |
IV.MMO1.EHZ. | 2020-02-04T00:18:16.66 | 0.1 | undecidable | manual | P | 37 | 20.6682 | 115 | -0.17 | 95 |
IV.SMA1.EHZ. | 2020-02-04T00:18:16.21 | 0.1 | undecidable | manual | P | 135 | 18.5703 | 117 | -0.24 | 94 |
IV.LNSS.HHZ. | 2020-02-04T00:18:16.71 | 0.1 | undecidable | manual | P | 214 | 19.6692 | 116 | 0.07 | 97 |
IV.NRCA.HHZ. | 2020-02-04T00:18:15.29 | 0.1 | negative | manual | P | 332 | 10.5783 | 132 | 0.18 | 97 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.9 | 0.0010220000000000001 | 0.14 | AML | other | m | 2020-02-04T00:18:17.29 |
IV.NRCA.HNN. | ML:1.9 | 0.0010184999999999999 | 0.12 | AML | other | m | 2020-02-04T00:18:17.36 |
IV.NRCA.HNE. | ML:1.7 | 0.0007275000000000001 | 0.3 | AML | other | m | 2020-02-04T00:18:17.44 |
IV.NRCA.HHE. | ML:1.8 | 0.0007815000000000001 | 0.12 | AML | other | m | 2020-02-04T00:18:17.44 |
IV.SMA1.EHE. | ML:0.8 | 0.000054900000000000006 | 0.44 | AML | other | m | 2020-02-04T00:18:19.44 |
IV.LNSS.HHN. | ML:1.5 | 0.0002495 | 0.88 | AML | other | m | 2020-02-04T00:18:20.09 |
IV.LNSS.HHE. | ML:1.7 | 0.000379 | 0.12 | AML | other | m | 2020-02-04T00:18:20.41 |
IV.SMA1.EHN. | ML:0.9 | 0.00006055000000000001 | 0.96 | AML | other | m | 2020-02-04T00:18:20.49 |
IV.GAVE.EHN. | ML:1.4 | 0.0001735 | 0.58 | AML | other | m | 2020-02-04T00:18:21.46 |
IV.GAVE.EHE. | ML:1.4 | 0.0001735 | 0.12 | AML | other | m | 2020-02-04T00:18:21.53 |
IV.RM33.EHN. | ML:1.0 | 0.0000488 | 0.68 | AML | other | m | 2020-02-04T00:18:23.91 |
IV.RM33.EHE. | ML:1.0 | 0.00005355 | 1.22 | AML | other | m | 2020-02-04T00:18:24.06 |
IV.CESI.HHE. | ML:1.0 | 0.00004149999999999999 | 1 | AML | other | m | 2020-02-04T00:18:24.92 |
IV.CESI.HHN. | ML:1.2 | 0.00006305 | 0.18 | AML | other | m | 2020-02-04T00:18:25.32 |