A magnitude ML 0.5 earthquake occured in region: 6 km E Norcia (PG), on
and geographic coordinates (lat, lon) 42.8, 13.16 at 8 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 | 6 | 4957 | 4957 |
Castelsantangelo sul Nera | MC | 10 | 281 | 5238 |
Arquata del Tronto | AP | 12 | 1178 | 6416 |
Preci | PG | 13 | 724 | 7140 |
Accumoli | RI | 14 | 667 | 7807 |
Montegallo | AP | 15 | 523 | 8330 |
Cascia | PG | 15 | 3217 | 11547 |
Visso | MC | 16 | 1107 | 12654 |
Ussita | MC | 16 | 444 | 13098 |
Montemonaco | AP | 17 | 604 | 13702 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.5 | 2020-10-22 00:31:03 |
42.8 | 13.16 | 8 | 2020-10-22 00:40:08 |
Sala Sismica INGV-Roma | 84009211 |
Field | Value |
---|---|
Time (UTC) | 2020-10-22 00:31:03 ± 0.08 |
Latitude | 42.80 ± 0.00 |
Longitude | 13.16 ± 0.00 |
Depth (km) | 8 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 84009211 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 380 |
Semi-minor axis of confidence ellipse (meter) | 146 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 78 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 380 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 71 |
Number of associated phases, regardless of their use for origin computation | 22 |
Number of defining phases | 22 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.21 |
Epicentral distance of station closest to the epicenter (degree) | 0.04676 |
Epicentral distance of station farthest from the epicenter (degree) | 0.28598 |
Number of stations at which the event was observed | 11 |
Number of stations from which data was used for origin computation | 11 |
Field | Value |
---|---|
Value | 0.5 |
Uncertainty | 0.1 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 84009211 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-10-22 00:40:08 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MF5.EHZ. | 2020-10-22T00:31:15.87 | 0.6 | undecidable | manual | S | 50 | 0.286 | 105 | 0.52 | 58 |
IV.CESI.HHZ. | 2020-10-22T00:31:14.71 | 0.6 | undecidable | manual | S | 317 | 0.2761 | 105 | -0.26 | 63 |
IV.GAVE.EHZ. | 2020-10-22T00:31:13.17 | 0.6 | undecidable | manual | S | 241 | 0.2248 | 109 | 0.08 | 66 |
IV.LNSS.HHZ. | 2020-10-22T00:31:12.73 | 0.6 | undecidable | manual | S | 204 | 0.2185 | 109 | -0.12 | 65 |
IV.FDMO.HHZ. | 2020-10-22T00:31:12.82 | 0.6 | undecidable | manual | S | 347 | 0.2401 | 108 | -0.82 | 53 |
IV.SMA1.EHZ. | 2020-10-22T00:31:12.62 | 0.6 | undecidable | manual | S | 143 | 0.214 | 109 | -0.07 | 66 |
IV.MTRA.HNZ. | 2020-10-22T00:31:11.06 | 0.6 | undecidable | manual | S | 105 | 0.1781 | 113 | -0.34 | 62 |
IV.T1299.HNZ. | 2020-10-22T00:31:11.88 | 0.6 | undecidable | manual | S | 152 | 0.1898 | 112 | 0.06 | 67 |
IV.CESI.HHZ. | 2020-10-22T00:31:10.22 | 0.3 | undecidable | manual | P | 317 | 0.2761 | 105 | -0.09 | 98 |
IV.MMO1.EHZ. | 2020-10-22T00:31:10.45 | 0.6 | undecidable | manual | S | 51 | 0.1547 | 116 | -0.14 | 65 |
IV.MF5.EHZ. | 2020-10-22T00:31:10.53 | 0.3 | undecidable | manual | P | 50 | 0.286 | 105 | 0 | 98 |
IV.MC2.EHZ. | 2020-10-22T00:31:09.73 | 0.6 | undecidable | manual | S | 10 | 0.1106 | 124 | 0.62 | 60 |
IV.GAVE.EHZ. | 2020-10-22T00:31:09.35 | 0.3 | undecidable | manual | P | 241 | 0.2248 | 109 | 0.13 | 97 |
IV.LNSS.HHZ. | 2020-10-22T00:31:09.00 | 0.3 | undecidable | manual | P | 204 | 0.2185 | 109 | -0.08 | 99 |
IV.FDMO.HHZ. | 2020-10-22T00:31:09.45 | 0.3 | undecidable | manual | P | 347 | 0.2401 | 108 | -0.09 | 98 |
IV.SMA1.EHZ. | 2020-10-22T00:31:08.96 | 0.3 | undecidable | manual | P | 143 | 0.214 | 109 | -0.03 | 100 |
IV.T1299.HNZ. | 2020-10-22T00:31:08.58 | 0.3 | undecidable | manual | P | 152 | 0.1898 | 112 | 0.09 | 99 |
IV.MTRA.HNZ. | 2020-10-22T00:31:08.19 | 0.3 | undecidable | manual | P | 105 | 0.1781 | 113 | -0.06 | 100 |
IV.NRCA.HHZ. | 2020-10-22T00:31:07.42 | 0.6 | undecidable | manual | S | 312 | 0.0468 | 148 | 0.05 | 68 |
IV.MC2.EHZ. | 2020-10-22T00:31:07.25 | 0.3 | undecidable | manual | P | 10 | 0.1106 | 124 | 0.32 | 96 |
IV.MMO1.EHZ. | 2020-10-22T00:31:07.68 | 0.3 | undecidable | manual | P | 51 | 0.1547 | 116 | -0.1 | 99 |
IV.NRCA.HHZ. | 2020-10-22T00:31:06.18 | 0.3 | undecidable | manual | P | 312 | 0.0468 | 148 | 0.26 | 99 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHE. | ML:0 | 0.0002548113 | 0.06 | AML | other | m | 2020-10-22T00:31:07.75 |
IV.NRCA.HHN. | ML:0 | 0.0002626741 | 0.06 | AML | other | m | 2020-10-22T00:31:07.48 |
IV.NRCA.HNE. | ML:0 | 0.0002513316 | 0.06 | AML | other | m | 2020-10-22T00:31:07.74 |
IV.NRCA.HNN. | ML:0 | 0.0002286417 | 0.06 | AML | other | m | 2020-10-22T00:31:07.48 |
IV.SMA1.EHE. | ML:0.6 | 2.2691675E-5 | 0.4 | AML | other | m | 2020-10-22T00:31:15.98 |
IV.SMA1.EHN. | ML:0.4 | 1.36271255E-5 | 0.22 | AML | other | m | 2020-10-22T00:31:15.94 |
IV.GAVE.EHE. | ML:0.6 | 2.741738E-5 | 0.44 | AML | other | m | 2020-10-22T00:31:15.37 |
IV.GAVE.EHN. | ML:0.5 | 2.0705085E-5 | 0.16 | AML | other | m | 2020-10-22T00:31:15.49 |
IV.FDMO.HHE. | ML:0.4 | 1.5996225E-5 | 0.2 | AML | other | m | 2020-10-22T00:31:13.81 |
IV.FDMO.HHN. | ML:0.6 | 2.114654E-5 | 0.16 | AML | other | m | 2020-10-22T00:31:14.66 |
IV.CESI.HHE. | ML:0.3 | 8.863918E-6 | 0.18 | AML | other | m | 2020-10-22T00:31:14.96 |
IV.CESI.HHN. | ML:0.5 | 1.479693E-5 | 0.18 | AML | other | m | 2020-10-22T00:31:16.02 |