A magnitude ML 1.4 earthquake occured in region: 8 km SE Norcia (PG), on
and geographic coordinates (lat, lon) 42.7510, 13.1750 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 | 9 | 667 | 5624 |
Arquata del Tronto | AP | 10 | 1178 | 6802 |
Cascia | PG | 14 | 3217 | 10019 |
Cittareale | RI | 15 | 482 | 10501 |
Castelsantangelo sul Nera | MC | 16 | 281 | 10782 |
Amatrice | RI | 16 | 2657 | 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 | 2020-02-23 04:21:23 |
42.7513 | 13.1753 | 10 | 2020-02-23 04:26:28 |
Sala Sismica INGV-Roma | 76742131 |
Field | Value |
---|---|
Time (UTC) | 2020-02-23 04:21:23 ± 0.06 |
Latitude | 42.7513 ± 0.0027 |
Longitude | 13.1753 ± 0.0061 |
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 | 76742131 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 426 |
Semi-minor axis of confidence ellipse (meter) | 263 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 266 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 430.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 95 |
Number of associated phases, regardless of their use for origin computation | 25 |
Number of defining phases | 20 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.17 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.33275 |
Number of stations at which the event was observed | 14 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 1.4 |
Uncertainty | 0.4 |
Num. used stations | 18 |
Type of magnitude | ML |
Reference to an origin | 76742131 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-02-23 04:26:28 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.EL6.EHZ. | 2020-02-23T04:21:43.72 | 3.0 | undecidable | manual | S | -0.3 | 0 | |||
IV.CESI.HHZ. | 2020-02-23T04:21:35.13 | 0.6 | undecidable | manual | S | 322 | 35.742 | 50 | -0.05 | 48 |
IV.GUMA.HHZ. | 2020-02-23T04:21:35.76 | 0.6 | undecidable | manual | S | 21 | 36.9297 | 50 | 0.26 | 46 |
IV.MF5.EHZ. | 2020-02-23T04:21:35.65 | 0.6 | undecidable | manual | S | 41 | 34.9428 | 50 | 0.67 | 41 |
IV.EL6.EHZ. | 2020-02-23T04:21:34.38 | 3.0 | undecidable | manual | P | -0.42 | 0 | |||
IV.FDMO.HHZ. | 2020-02-23T04:21:33.96 | 0.6 | undecidable | manual | S | 347 | 32.4453 | 50 | -0.34 | 46 |
IV.GAVE.EHZ. | 2020-02-23T04:21:32.03 | 0.6 | undecidable | manual | S | 254 | 23.8539 | 113 | 0.03 | 50 |
IV.MNTT.EHZ. | 2020-02-23T04:21:32.46 | 3.0 | undecidable | manual | P | 0.41 | 0 | |||
IV.RM33.EHZ. | 2020-02-23T04:21:32.84 | 0.6 | undecidable | manual | S | 173 | 27.0507 | 50 | -0.03 | 49 |
IV.TERO.HHZ. | 2020-02-23T04:21:30.00 | 3.0 | undecidable | manual | P | -0.29 | 0 | |||
IV.LNSS.HHZ. | 2020-02-23T04:21:30.95 | 0.6 | undecidable | manual | S | 214 | 19.7691 | 117 | 0.21 | 48 |
IV.GUMA.HHZ. | 2020-02-23T04:21:30.20 | 0.1 | undecidable | manual | P | 21 | 36.9297 | 50 | -0.02 | 97 |
IV.MC2.EHZ. | 2020-02-23T04:21:30.07 | 0.6 | undecidable | manual | S | 4 | 17.7711 | 120 | -0.06 | 50 |
IV.ARRO.EHZ. | 2020-02-23T04:21:30.61 | 3.0 | undecidable | manual | P | -0.11 | 0 | |||
IV.SMA1.EHZ. | 2020-02-23T04:21:29.96 | 0.6 | undecidable | manual | S | 136 | 18.6702 | 119 | -0.44 | 46 |
IV.FDMO.HHZ. | 2020-02-23T04:21:29.22 | 0.6 | undecidable | manual | P | 347 | 32.4453 | 50 | -0.31 | 46 |
IV.CESI.HHZ. | 2020-02-23T04:21:29.88 | 0.3 | undecidable | manual | P | 322 | 35.742 | 50 | -0.15 | 71 |
IV.MF5.EHZ. | 2020-02-23T04:21:29.88 | 0.1 | undecidable | manual | P | 41 | 34.9428 | 50 | -0.04 | 97 |
IV.GAVE.EHZ. | 2020-02-23T04:21:28.26 | 1.0 | positive | manual | P | 254 | 23.8539 | 113 | 0.06 | 25 |
IV.RM33.EHZ. | 2020-02-23T04:21:28.54 | 1.0 | negative | manual | P | 173 | 27.0507 | 50 | -0.16 | 24 |
IV.MC2.EHZ. | 2020-02-23T04:21:27.13 | 0.3 | positive | manual | P | 4 | 17.7711 | 120 | 0.01 | 76 |
IV.SMA1.EHZ. | 2020-02-23T04:21:27.30 | 0.6 | positive | manual | P | 136 | 18.6702 | 119 | 0.03 | 50 |
IV.NRCA.HNZ. | 2020-02-23T04:21:27.99 | 0.6 | undecidable | manual | S | 331 | 10.3785 | 135 | -0.08 | 50 |
IV.LNSS.HHZ. | 2020-02-23T04:21:27.62 | 0.1 | undecidable | manual | P | 214 | 19.7691 | 117 | 0.15 | 98 |
IV.NRCA.HNZ. | 2020-02-23T04:21:26.04 | 0.1 | undecidable | manual | P | 331 | 10.3785 | 135 | 0.11 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.7 | 0.000689 | 0.14 | AML | other | m | 2020-02-23T04:21:28.05 |
IV.NRCA.HNN. | ML:1.7 | 0.0006039999999999999 | 0.14 | AML | other | m | 2020-02-23T04:21:28.05 |
IV.NRCA.HHE. | ML:1.8 | 0.00085 | 0.08 | AML | other | m | 2020-02-23T04:21:28.31 |
IV.NRCA.HNE. | ML:1.8 | 0.000798 | 0.08 | AML | other | m | 2020-02-23T04:21:28.31 |
IV.SMA1.EHE. | ML:0.8 | 0.0000567 | 0.44 | AML | other | m | 2020-02-23T04:21:30.40 |
IV.LNSS.HHE. | ML:1.5 | 0.000241 | 0.1 | AML | other | m | 2020-02-23T04:21:31.57 |
IV.LNSS.HHN. | ML:1.6 | 0.000329 | 0.7 | AML | other | m | 2020-02-23T04:21:31.29 |
IV.GAVE.EHE. | ML:1.4 | 0.00015150000000000002 | 0.4 | AML | other | m | 2020-02-23T04:21:32.35 |
IV.GAVE.EHN. | ML:1.3 | 0.0001236 | 0.26 | AML | other | m | 2020-02-23T04:21:32.84 |
IV.RM33.EHE. | ML:1.1 | 0.0000702 | 0.14 | AML | other | m | 2020-02-23T04:21:33.20 |
IV.RM33.EHN. | ML:1.1 | 0.0000679 | 1.24 | AML | other | m | 2020-02-23T04:21:33.30 |
IV.FDMO.HHN. | ML:0.9 | 0.000036450000000000005 | 1.12 | AML | other | m | 2020-02-23T04:21:34.08 |
IV.FDMO.HHE. | ML:0.8 | 0.0000308 | 0.2 | AML | other | m | 2020-02-23T04:21:34.56 |
IV.SMA1.EHN. | ML:1.0 | 0.0000714 | 0.36 | AML | other | m | 2020-02-23T04:21:35.23 |
IV.TERO.HHE. | ML:0.9 | 0.000032149999999999995 | 0.2 | AML | other | m | 2020-02-23T04:21:35.75 |
IV.TERO.HHN. | ML:1.2 | 0.000059999999999999995 | 0.62 | AML | other | m | 2020-02-23T04:21:35.54 |
IV.GUMA.HHN. | ML:1.8 | 0.000254 | 0.18 | AML | other | m | 2020-02-23T04:21:36.31 |
IV.GUMA.HHE. | ML:1.7 | 0.000194 | 0.26 | AML | other | m | 2020-02-23T04:21:38.31 |