A magnitude ML 1.0 earthquake occured in region: 8 km E Norcia (PG), on
and geographic coordinates (lat, lon) 42.8260, 13.1760 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 |
Castelsantangelo sul Nera | MC | 8 | 281 | 5238 |
Arquata del Tronto | AP | 12 | 1178 | 6416 |
Preci | PG | 13 | 724 | 7140 |
Montegallo | AP | 13 | 523 | 7663 |
Ussita | MC | 14 | 444 | 8107 |
Visso | MC | 14 | 1107 | 9214 |
Montemonaco | AP | 15 | 604 | 9818 |
Accumoli | RI | 16 | 667 | 10485 |
Cascia | PG | 18 | 3217 | 13702 |
Montefortino | FM | 19 | 1178 | 14880 |
Bolognola | MC | 19 | 142 | 15022 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.0 | 2020-04-16 19:19:06 |
42.826 | 13.1763 | 10 | 2020-04-16 20:05:45 |
Sala Sismica INGV-Roma | 78294281 |
Field | Value |
---|---|
Time (UTC) | 2020-04-16 19:19:06 ± 0.06 |
Latitude | 42.8260 ± 0.0027 |
Longitude | 13.1763 ± 0.0049 |
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 | 78294281 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 411 |
Semi-minor axis of confidence ellipse (meter) | 184 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 76 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 410.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 75 |
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) | 0.04587 |
Epicentral distance of station farthest from the epicenter (degree) | 0.26710 |
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 | 1.0 |
Uncertainty | 0.4 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 78294281 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-04-16 20:05:45 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CESI.HNZ. | 2020-04-16T19:19:17.03 | 0.3 | undecidable | manual | S | 312 | 29.6481 | 50 | -0.15 | 71 |
IV.CSP1.EHZ. | 2020-04-16T19:19:17.40 | 0.3 | undecidable | manual | S | 4 | 29.5482 | 50 | 0.25 | 70 |
IV.MF5.EHZ. | 2020-04-16T19:19:17.45 | 0.3 | undecidable | manual | S | 52 | 29.1486 | 50 | 0.4 | 68 |
IV.LNSS.HHZ. | 2020-04-16T19:19:16.62 | 0.3 | undecidable | manual | S | 204 | 27.1506 | 50 | 0.12 | 72 |
IV.FDMO.HHZ. | 2020-04-16T19:19:15.30 | 0.3 | undecidable | manual | S | 343 | 24.4533 | 112 | -0.37 | 69 |
IV.T1299.HNZ. | 2020-04-16T19:19:15.60 | 0.3 | undecidable | manual | S | 158 | 22.9548 | 113 | 0.41 | 68 |
IV.SMA1.EHZ. | 2020-04-16T19:19:15.57 | 0.3 | undecidable | manual | S | 149 | 25.2525 | 111 | -0.36 | 69 |
IV.MTRA.EHZ. | 2020-04-16T19:19:13.78 | 0.3 | undecidable | manual | S | 113 | 19.4694 | 117 | -0.32 | 70 |
IV.CESI.HNZ. | 2020-04-16T19:19:12.58 | 0.1 | undecidable | manual | P | 312 | 29.6481 | 50 | -0.1 | 96 |
IV.CSP1.EHZ. | 2020-04-16T19:19:12.44 | 0.3 | undecidable | manual | P | 4 | 29.5482 | 50 | -0.22 | 70 |
IV.MF5.EHZ. | 2020-04-16T19:19:12.46 | 0.3 | undecidable | manual | P | 52 | 29.1486 | 50 | -0.14 | 72 |
IV.LNSS.HHZ. | 2020-04-16T19:19:12.25 | 0.1 | undecidable | manual | P | 204 | 27.1506 | 50 | -0.03 | 98 |
IV.MMO1.HNZ. | 2020-04-16T19:19:12.64 | 0.3 | undecidable | manual | S | 56 | 14.6742 | 124 | -0.02 | 75 |
IV.FDMO.HHZ. | 2020-04-16T19:19:11.64 | 0.3 | undecidable | manual | P | 343 | 24.4533 | 112 | -0.16 | 72 |
IV.T1299.HNZ. | 2020-04-16T19:19:11.68 | 0.3 | undecidable | manual | P | 158 | 22.9548 | 113 | 0.15 | 72 |
IV.MC2.EHZ. | 2020-04-16T19:19:11.59 | 0.3 | undecidable | manual | S | 6 | 9.4794 | 136 | 0.32 | 71 |
IV.SMA1.EHZ. | 2020-04-16T19:19:11.89 | 0.3 | undecidable | manual | P | 149 | 25.2525 | 111 | -0.06 | 73 |
IV.MTRA.EHZ. | 2020-04-16T19:19:10.78 | 0.3 | undecidable | manual | P | 113 | 19.4694 | 117 | -0.12 | 73 |
IV.MMO1.HNZ. | 2020-04-16T19:19:10.02 | 0.1 | undecidable | manual | P | 56 | 14.6742 | 124 | -0.04 | 100 |
IV.NRCA.HHZ. | 2020-04-16T19:19:10.37 | 0.3 | undecidable | manual | S | 279 | 5.0949 | 152 | 0 | 77 |
IV.MC2.EHZ. | 2020-04-16T19:19:09.49 | 0.1 | undecidable | manual | P | 6 | 9.4794 | 136 | 0.23 | 97 |
IV.NRCA.HHZ. | 2020-04-16T19:19:08.96 | 0.1 | undecidable | manual | P | 279 | 5.0949 | 152 | 0.22 | 98 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHE. | ML:1.2 | 0.0002882383 | 0.0768 | AML | other | m | 2020-04-16T19:19:10.44 |
IV.NRCA.HHN. | ML:1.4 | 0.0003933985 | 0.1024 | AML | other | m | 2020-04-16T19:19:10.49 |
IV.NRCA.HNE. | ML:1.2 | 0.00029516635000000004 | 0.1536 | AML | other | m | 2020-04-16T19:19:10.52 |
IV.NRCA.HNN. | ML:1.4 | 0.00038636024999999996 | 0.1024 | AML | other | m | 2020-04-16T19:19:10.44 |
IV.MTRA.EHE. | ML:0.8 | 0.000043025075 | 0.1664 | AML | other | m | 2020-04-16T19:19:14.09 |
IV.MTRA.EHN. | ML:0.9 | 0.00005390993 | 0.2048 | AML | other | m | 2020-04-16T19:19:14.00 |
IV.FDMO.HHE. | ML:0.2 | 0.00000874401 | 0.1024 | AML | other | m | 2020-04-16T19:19:16.09 |
IV.FDMO.HHN. | ML:0.2 | 0.000009547411 | 0.1664 | AML | other | m | 2020-04-16T19:19:15.62 |