A magnitude ML 1.1 earthquake occured in region: 7 km E Norcia (PG), on
and geographic coordinates (lat, lon) 42.8180, 13.1710 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 | 7 | 4957 | 4957 |
Castelsantangelo sul Nera | MC | 9 | 281 | 5238 |
Arquata del Tronto | AP | 12 | 1178 | 6416 |
Preci | PG | 13 | 724 | 7140 |
Montegallo | AP | 14 | 523 | 7663 |
Ussita | MC | 14 | 444 | 8107 |
Visso | MC | 14 | 1107 | 9214 |
Accumoli | RI | 15 | 667 | 9881 |
Montemonaco | AP | 16 | 604 | 10485 |
Cascia | PG | 17 | 3217 | 13702 |
Montefortino | FM | 20 | 1178 | 14880 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2020-11-22 19:50:31 |
42.8182 | 13.1708 | 11 | 2020-11-22 20:06:51 |
Sala Sismica INGV-Roma | 84952011 |
Field | Value |
---|---|
Time (UTC) | 2020-11-22 19:50:31 ± 0.04 |
Latitude | 42.8182 ± 0.0018 |
Longitude | 13.1708 ± 0.0037 |
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 | 84952011 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 330 |
Semi-minor axis of confidence ellipse (meter) | 168 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 58 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 330.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 87 |
Number of associated phases, regardless of their use for origin computation | 24 |
Number of defining phases | 24 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.13 |
Epicentral distance of station closest to the epicenter (degree) | 0.04407 |
Epicentral distance of station farthest from the epicenter (degree) | 0.37322 |
Number of stations at which the event was observed | 12 |
Number of stations from which data was used for origin computation | 12 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.5 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 84952011 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-11-22 20:06:51 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.TERO.HHZ. | 2020-11-22T19:50:44.40 | 0.6 | undecidable | manual | S | 121 | 41.4252 | 50 | -0.18 | 46 |
IV.CESI.HHZ. | 2020-11-22T19:50:41.35 | 0.6 | undecidable | manual | S | 314 | 29.9478 | 50 | -0.17 | 47 |
IV.CSP1.EHZ. | 2020-11-22T19:50:41.91 | 0.6 | undecidable | manual | S | 5 | 30.4473 | 50 | 0.24 | 46 |
IV.FDMO.HHZ. | 2020-11-22T19:50:40.05 | 0.6 | undecidable | manual | S | 344 | 25.1526 | 50 | -0.19 | 47 |
IV.SMA1.EHZ. | 2020-11-22T19:50:40.10 | 0.6 | undecidable | manual | S | 147 | 24.753 | 50 | -0.03 | 49 |
IV.LNSS.HHZ. | 2020-11-22T19:50:40.43 | 0.6 | undecidable | manual | S | 204 | 26.1516 | 50 | -0.07 | 48 |
IT.MTCL.HGZ. | 2020-11-22T19:50:39.71 | 0.6 | undecidable | manual | S | 325 | 23.9538 | 50 | -0.21 | 47 |
IV.T1299.HNZ. | 2020-11-22T19:50:39.60 | 0.6 | undecidable | manual | S | 156 | 22.3554 | 50 | 0.12 | 48 |
IV.TERO.HHZ. | 2020-11-22T19:50:38.97 | 0.6 | undecidable | manual | P | 121 | 41.4252 | 50 | 0.11 | 47 |
IV.MTRA.HNZ. | 2020-11-22T19:50:38.56 | 0.6 | undecidable | manual | S | 110 | 19.5693 | 50 | -0.2 | 47 |
IV.CESI.HHZ. | 2020-11-22T19:50:37.20 | 0.1 | undecidable | manual | P | 314 | 29.9478 | 50 | 0.11 | 95 |
IV.CSP1.EHZ. | 2020-11-22T19:50:37.31 | 0.1 | undecidable | manual | P | 5 | 30.4473 | 50 | 0.14 | 94 |
IV.MMO1.EHZ. | 2020-11-22T19:50:37.47 | 0.6 | undecidable | manual | S | 55 | 15.5733 | 125 | -0.19 | 48 |
IV.T1299.HNZ. | 2020-11-22T19:50:36.05 | 0.1 | undecidable | manual | P | 156 | 22.3554 | 50 | 0.13 | 96 |
IV.FDMO.HHZ. | 2020-11-22T19:50:36.32 | 0.1 | undecidable | manual | P | 344 | 25.1526 | 50 | -0.04 | 97 |
IT.MTCL.HGZ. | 2020-11-22T19:50:36.12 | 0.1 | undecidable | manual | P | 325 | 23.9538 | 50 | -0.05 | 97 |
IV.SMA1.EHZ. | 2020-11-22T19:50:36.22 | 0.1 | undecidable | manual | P | 147 | 24.753 | 50 | -0.08 | 97 |
IV.LNSS.HHZ. | 2020-11-22T19:50:36.60 | 0.1 | undecidable | manual | P | 204 | 26.1516 | 50 | 0.09 | 96 |
IV.MC2.EHZ. | 2020-11-22T19:50:36.48 | 0.6 | undecidable | manual | S | 8 | 10.4784 | 136 | 0.17 | 49 |
IV.MTRA.HNZ. | 2020-11-22T19:50:35.48 | 0.1 | undecidable | manual | P | 110 | 19.5693 | 50 | -0.02 | 98 |
IV.MMO1.EHZ. | 2020-11-22T19:50:34.80 | 0.1 | undecidable | manual | P | 55 | 15.5733 | 125 | -0.07 | 98 |
IV.MC2.EHZ. | 2020-11-22T19:50:34.27 | 0.1 | undecidable | manual | P | 8 | 10.4784 | 136 | 0.19 | 97 |
IV.NRCA.HHZ. | 2020-11-22T19:50:34.78 | 0.6 | undecidable | manual | S | 291 | 4.8951 | 156 | -0.44 | 46 |
IV.NRCA.HHZ. | 2020-11-22T19:50:33.52 | 0.1 | positive | manual | P | 291 | 4.8951 | 156 | 0.07 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHE. | ML:1.6 | 0.00069086175 | 0.1536 | AML | other | m | 2020-11-22T19:50:34.96 |
IV.NRCA.HHN. | ML:1.5 | 0.0004861645 | 0.1152 | AML | other | m | 2020-11-22T19:50:34.94 |
IV.NRCA.HNE. | ML:1.6 | 0.00068667905 | 0.1408 | AML | other | m | 2020-11-22T19:50:34.95 |
IV.NRCA.HNN. | ML:1.4 | 0.00043376365 | 0.128 | AML | other | m | 2020-11-22T19:50:34.94 |
IV.FDMO.HHN. | ML:0.2 | 0.000011954444 | 0.1664 | AML | other | m | 2020-11-22T19:50:40.38 |
IV.CESI.HHE. | ML:0.8 | 0.000028445565 | 0.1792 | AML | other | m | 2020-11-22T19:50:41.81 |
IV.CESI.HHN. | ML:0.9 | 0.000034448175 | 0.2048 | AML | other | m | 2020-11-22T19:50:41.73 |
IV.TERO.HHE. | ML:0.5 | 0.000008681030499999999 | 0.1152 | AML | other | m | 2020-11-22T19:50:45.47 |