A magnitude ML 1.0 earthquake occured in region: 4 km E Norcia (PG), on
and geographic coordinates (lat, lon) 42.8090, 13.1350 at 5 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 | 4 | 4957 | 4957 |
Castelsantangelo sul Nera | MC | 10 | 281 | 5238 |
Preci | PG | 11 | 724 | 5962 |
Arquata del Tronto | AP | 14 | 1178 | 7140 |
Cascia | PG | 14 | 3217 | 10357 |
Visso | MC | 14 | 1107 | 11464 |
Ussita | MC | 15 | 444 | 11908 |
Accumoli | RI | 16 | 667 | 12575 |
Montegallo | AP | 17 | 523 | 13098 |
Cerreto di Spoleto | PG | 18 | 1075 | 14173 |
Montemonaco | AP | 19 | 604 | 14777 |
Sellano | PG | 19 | 1079 | 15856 |
Poggiodomo | PG | 20 | 117 | 15973 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.0 | 2017-04-03 02:48:25 |
42.8093 | 13.1348 | 5 | 2017-04-03 02:53:47 |
Sala Sismica INGV-Roma | 43310871 |
Field | Value |
---|---|
Time (UTC) | 2017-04-03 02:48:25 ± 0.09 |
Latitude | 42.8093 ± 0.0027 |
Longitude | 13.1348 ± 0.0037 |
Depth (km) | 5 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 43310871 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 340 |
Semi-minor axis of confidence ellipse (meter) | 38 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 64 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 340.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 81 |
Number of associated phases, regardless of their use for origin computation | 21 |
Number of defining phases | 21 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.22 |
Epicentral distance of station closest to the epicenter (degree) | 0.02878 |
Epicentral distance of station farthest from the epicenter (degree) | 0.30217 |
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 | 0.1 |
Num. used stations | 5 |
Type of magnitude | ML |
Reference to an origin | 43310871 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2017-04-03 02:53:47 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.T1220.HNZ. | 2017-04-03T02:48:37.31 | 0.1 | undecidable | manual | S | 354 | 33.5442 | 99 | 0 | 96 |
IV.FDMO.HHZ. | 2017-04-03T02:48:35.03 | 0.3 | undecidable | manual | S | 351 | 25.4523 | 102 | 0.48 | 66 |
IV.T1219.EHZ. | 2017-04-03T02:48:35.64 | 0.1 | undecidable | manual | S | 339 | 29.3484 | 100 | -0.21 | 93 |
IV.T1241.EHZ. | 2017-04-03T02:48:34.43 | 0.1 | undecidable | manual | S | 78 | 24.6531 | 102 | 0.16 | 95 |
IV.T1299.EHZ. | 2017-04-03T02:48:33.87 | 0.1 | undecidable | manual | S | 148 | 22.8549 | 103 | 0.22 | 94 |
IV.T1220.HNZ. | 2017-04-03T02:48:31.98 | 0.1 | undecidable | manual | P | 354 | 33.5442 | 99 | -0.35 | 90 |
IV.T1219.EHZ. | 2017-04-03T02:48:31.31 | 0.1 | undecidable | manual | P | 339 | 29.3484 | 100 | -0.18 | 94 |
IV.T1241.EHZ. | 2017-04-03T02:48:30.43 | 0.1 | undecidable | manual | P | 78 | 24.6531 | 102 | -0.14 | 95 |
IV.FDMO.HHZ. | 2017-04-03T02:48:30.60 | 0.1 | undecidable | manual | P | 351 | 25.4523 | 102 | -0.13 | 95 |
IV.T1216.EHZ. | 2017-04-03T02:48:30.67 | 0.1 | undecidable | manual | S | 314 | 13.0758 | 112 | 0.27 | 94 |
IV.T1299.EHZ. | 2017-04-03T02:48:30.12 | 0.1 | undecidable | manual | P | 148 | 22.8549 | 103 | -0.09 | 96 |
IV.T1217.EHZ. | 2017-04-03T02:48:29.78 | 0.1 | undecidable | manual | P | 237 | 19.7691 | 105 | 0.16 | 95 |
IV.T1212.EHZ. | 2017-04-03T02:48:29.45 | 0.1 | undecidable | manual | S | 229 | 9.7791 | 118 | 0.09 | 98 |
IV.T1216.EHZ. | 2017-04-03T02:48:28.49 | 0.1 | undecidable | manual | P | 314 | 13.0758 | 112 | 0.15 | 97 |
IV.T1245.HHZ. | 2017-04-03T02:48:28.80 | 0.1 | undecidable | manual | S | 40 | 6.7932 | 128 | 0.3 | 95 |
IV.T1214.EHZ. | 2017-04-03T02:48:28.72 | 0.1 | undecidable | manual | S | 133 | 8.1807 | 123 | -0.17 | 97 |
IV.T1214.EHZ. | 2017-04-03T02:48:27.31 | 0.1 | undecidable | manual | P | 133 | 8.1807 | 123 | -0.15 | 97 |
IV.T1245.HHZ. | 2017-04-03T02:48:27.38 | 0.1 | undecidable | manual | P | 40 | 6.7932 | 128 | 0.14 | 98 |
IV.NRCA.HHZ. | 2017-04-03T02:48:27.36 | 0.1 | undecidable | manual | S | 328 | 3.1968 | 149 | -0.29 | 96 |
IV.T1212.EHZ. | 2017-04-03T02:48:27.75 | 0.1 | undecidable | manual | P | 229 | 9.7791 | 118 | 0.01 | 100 |
IV.NRCA.HHZ. | 2017-04-03T02:48:26.61 | 0.1 | undecidable | manual | P | 328 | 3.1968 | 149 | -0.14 | 99 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.T1212.EHE. | ML:1.0 | 0.00015000000000000001 | 0.64 | AML | other | m | 2017-04-03T02:48:29.65 |
IV.T1212.EHN. | ML:1.0 | 0.000188 | 0.46 | AML | other | m | 2017-04-03T02:48:29.57 |
IV.T1216.EHN. | ML:1.1 | 0.000143 | 0.9 | AML | other | m | 2017-04-03T02:48:32.62 |
IV.T1216.EHE. | ML:0.9 | 0.00010214999999999999 | 0.3 | AML | other | m | 2017-04-03T02:48:32.77 |
IV.T1220.EHN. | ML:1.3 | 0.00008035 | 0.22 | AML | other | m | 2017-04-03T02:48:41.25 |
IV.T1220.EHE. | ML:1.2 | 0.0000646 | 0.32 | AML | other | m | 2017-04-03T02:48:44.21 |
IV.T1241.EHE. | ML:1.0 | 0.00005964999999999999 | 0.42 | AML | other | m | 2017-04-03T02:48:43.74 |
IV.T1241.EHN. | ML:0.9 | 0.00005275000000000001 | 0.42 | AML | other | m | 2017-04-03T02:48:43.23 |
IV.T1299.EHN. | ML:0.8 | 0.0000457 | 1 | AML | other | m | 2017-04-03T02:48:34.13 |
IV.T1299.EHE. | ML:0.9 | 0.000054800000000000004 | 0.42 | AML | other | m | 2017-04-03T02:48:34.69 |