A magnitude ML 0.9 earthquake occured in region: 8 km E Norcia (PG), on
and geographic coordinates (lat, lon) 42.7640, 13.1860 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 |
Arquata del Tronto | AP | 9 | 1178 | 6135 |
Accumoli | RI | 9 | 667 | 6802 |
Castelsantangelo sul Nera | MC | 15 | 281 | 7083 |
Cascia | PG | 15 | 3217 | 10300 |
Montegallo | AP | 15 | 523 | 10823 |
Cittareale | RI | 16 | 482 | 11305 |
Amatrice | RI | 17 | 2657 | 13962 |
Preci | PG | 18 | 724 | 14686 |
Acquasanta Terme | AP | 18 | 2916 | 17602 |
Montemonaco | AP | 19 | 604 | 18206 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.9 | 2020-07-19 22:22:18 |
42.7643 | 13.186 | 9 | 2020-07-19 23:16:01 |
Sala Sismica INGV-Roma | 81170491 |
Field | Value |
---|---|
Time (UTC) | 2020-07-19 22:22:18 ± 0.1 |
Latitude | 42.7643 ± 0.0018 |
Longitude | 13.1860 ± 0.0024 |
Depth (km) | 9 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 81170491 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 209 |
Semi-minor axis of confidence ellipse (meter) | 93 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 101 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 210.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 109 |
Number of associated phases, regardless of their use for origin computation | 21 |
Number of defining phases | 8 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.08 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.19335 |
Number of stations at which the event was observed | 17 |
Number of stations from which data was used for origin computation | 4 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.3 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 81170491 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-07-19 23:16:01 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CRAC.EHZ. | 2020-07-19T22:23:52.07 | 3.0 | undecidable | manual | Sn | -8.06 | 0 | |||
IV.MTMR.EHZ. | 2020-07-19T22:23:40.28 | 3.0 | undecidable | manual | Sg | 8.54 | 0 | |||
IV.GRI.EHZ. | 2020-07-19T22:23:39.59 | 3.0 | negative | manual | Pg | 14.04 | 0 | |||
IV.APRC.HHZ. | 2020-07-19T22:23:33.58 | 3.0 | undecidable | manual | Sg | 6.47 | 0 | |||
IV.EUCT.HNZ. | 2020-07-19T22:23:26.54 | 3.0 | undecidable | manual | Sn | -0.14 | 0 | |||
IV.SPS2.HHZ. | 2020-07-19T22:23:21.99 | 3.0 | undecidable | manual | Pn | 2.07 | 0 | |||
IV.ROSPO.HHZ. | 2020-07-19T22:23:20.24 | 3.0 | undecidable | manual | Sg | 8.33 | 0 | |||
IV.RNI2.HHZ. | 2020-07-19T22:23:11.73 | 3.0 | undecidable | manual | Sg | 4.59 | 0 | |||
IV.LAV9.HNZ. | 2020-07-19T22:22:52.98 | 3.0 | undecidable | manual | Sn | 0.2 | 0 | |||
IV.MNTT.EHZ. | 2020-07-19T22:22:42.61 | 3.0 | undecidable | manual | Sg | -0.68 | 0 | |||
IV.LNSS.HHE. | 2020-07-19T22:22:26.64 | 0.1 | undecidable | manual | S | 214 | 21.4674 | 112 | -0.05 | 99 |
IV.MMO1.EHZ. | 2020-07-19T22:22:25.81 | 0.1 | undecidable | manual | S | 37 | 18.87 | 115 | -0.04 | 99 |
IV.SMA1.EHZ. | 2020-07-19T22:22:25.97 | 0.1 | undecidable | manual | S | 141 | 19.1697 | 114 | 0.01 | 100 |
IV.SEI.HHZ. | 2020-07-19T22:22:25.28 | 3.0 | undecidable | manual | P | 0.27 | 0 | |||
IV.NRCA.HHZ. | 2020-07-19T22:22:23.14 | 0.3 | undecidable | manual | S | 323 | 9.6792 | 132 | -0.01 | 76 |
IV.GAVE.EHZ. | 2020-07-19T22:22:23.71 | 3.0 | undecidable | manual | Pg | 2.91 | 0 | |||
IV.LNSS.HHE. | 2020-07-19T22:22:23.25 | 0.1 | undecidable | manual | P | 214 | 21.4674 | 112 | -0.04 | 99 |
IV.MMO1.EHZ. | 2020-07-19T22:22:22.75 | 0.1 | undecidable | manual | P | 37 | 18.87 | 115 | -0.05 | 99 |
IV.SMA1.EHZ. | 2020-07-19T22:22:22.94 | 0.1 | undecidable | manual | P | 141 | 19.1697 | 114 | 0.07 | 99 |
IV.NRCA.HHZ. | 2020-07-19T22:22:21.37 | 0.1 | undecidable | manual | P | 323 | 9.6792 | 132 | 0.12 | 99 |
IV.MURB.HHZ. | 2020-07-19T22:22:16.79 | 3.0 | undecidable | manual | P | 3.21 | 0 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.0 | 0.00013900000000000002 | 0.1 | AML | other | m | 2020-07-19T22:22:23.25 |
IV.NRCA.HHE. | ML:0.9 | 0.00011649999999999999 | 0.14 | AML | other | m | 2020-07-19T22:22:23.32 |
IV.NRCA.HNE. | ML:1.1 | 0.0001813841 | 0.5248 | AML | other | m | 2020-07-19T22:22:23.24 |
IV.NRCA.HNN. | ML:1.2 | 0.0002172213 | 2.432 | AML | other | m | 2020-07-19T22:22:23.24 |
IV.SMA1.EHE. | ML:0.3 | 0.000014407945 | 1.3568 | AML | other | m | 2020-07-19T22:22:26.27 |
IV.SMA1.EHN. | ML:0.4 | 0.000017685365000000003 | 1.216 | AML | other | m | 2020-07-19T22:22:26.85 |