A magnitude ML 1.0 earthquake occured in region: 4 km NE Norcia (PG), on
and geographic coordinates (lat, lon) 42.8160, 13.1340 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 | 4 | 4957 | 4957 |
Castelsantangelo sul Nera | MC | 9 | 281 | 5238 |
Preci | PG | 11 | 724 | 5962 |
Visso | MC | 13 | 1107 | 7069 |
Arquata del Tronto | AP | 14 | 1178 | 8247 |
Ussita | MC | 14 | 444 | 8691 |
Cascia | PG | 15 | 3217 | 11908 |
Accumoli | RI | 16 | 667 | 12575 |
Montegallo | AP | 17 | 523 | 13098 |
Cerreto di Spoleto | PG | 18 | 1075 | 14173 |
Montemonaco | AP | 18 | 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 | 2017-04-04 09:20:09 |
42.8157 | 13.1345 | 10 | 2017-04-04 09:26:06 |
Sala Sismica INGV-Roma | 43364281 |
Field | Value |
---|---|
Time (UTC) | 2017-04-04 09:20:09 ± 0.05 |
Latitude | 42.8157 ± 0.0018 |
Longitude | 13.1345 ± 0.0037 |
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 | 43364281 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 298 |
Semi-minor axis of confidence ellipse (meter) | 129 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 251 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 300.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 86 |
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) | 0.19 |
Epicentral distance of station closest to the epicenter (degree) | 0.05666 |
Epicentral distance of station farthest from the epicenter (degree) | 0.39480 |
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 | 1.0 |
Uncertainty | 0.3 |
Num. used stations | 3 |
Type of magnitude | ML |
Reference to an origin | 43364281 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2017-04-04 09:26:06 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.T1219.EHZ. | 2017-04-04T09:20:20.02 | 0.1 | undecidable | manual | S | 338 | 28.6491 | 50 | -0.19 | 94 |
IV.FDMO.HHZ. | 2017-04-04T09:20:19.01 | 0.1 | undecidable | manual | S | 351 | 24.753 | 112 | -0.14 | 95 |
IV.T1241.EHZ. | 2017-04-04T09:20:18.91 | 0.1 | undecidable | manual | S | 79 | 24.5532 | 112 | -0.17 | 95 |
IV.T1299.EHZ. | 2017-04-04T09:20:18.65 | 0.1 | undecidable | manual | S | 149 | 23.4543 | 113 | -0.08 | 97 |
IV.TERO.HHZ. | 2017-04-04T09:20:17.86 | 0.1 | undecidable | manual | P | 119 | 43.8228 | 50 | -0.32 | 89 |
IV.MMO1.EHZ. | 2017-04-04T09:20:17.15 | 0.1 | undecidable | manual | S | 59 | 18.1707 | 119 | 0.07 | 98 |
IV.RM33.EHZ. | 2017-04-04T09:20:16.97 | 0.1 | undecidable | manual | P | 169 | 34.6431 | 50 | 0.2 | 93 |
IV.T1218.EHZ. | 2017-04-04T09:20:16.46 | 0.1 | undecidable | manual | S | 186 | 16.2726 | 122 | -0.04 | 99 |
IV.T1299.EHZ. | 2017-04-04T09:20:15.19 | 0.1 | undecidable | manual | P | 149 | 23.4543 | 113 | 0.21 | 94 |
IV.T1219.EHZ. | 2017-04-04T09:20:15.98 | 0.1 | undecidable | manual | P | 338 | 28.6491 | 50 | 0.14 | 95 |
IV.T1216.EHZ. | 2017-04-04T09:20:15.38 | 0.1 | undecidable | manual | S | 312 | 12.5763 | 129 | -0.07 | 99 |
IV.T1241.EHZ. | 2017-04-04T09:20:15.14 | 0.1 | positive | manual | P | 79 | 24.5532 | 112 | -0.05 | 97 |
IV.FDMO.HHZ. | 2017-04-04T09:20:15.12 | 0.1 | undecidable | manual | P | 351 | 24.753 | 112 | -0.11 | 96 |
IV.T1212.EHZ. | 2017-04-04T09:20:14.54 | 0.1 | undecidable | manual | S | 226 | 10.1787 | 134 | -0.3 | 94 |
IV.MMO1.EHZ. | 2017-04-04T09:20:14.16 | 0.1 | undecidable | manual | P | 59 | 18.1707 | 119 | 0.13 | 97 |
IV.T1245.HHZ. | 2017-04-04T09:20:14.04 | 0.1 | undecidable | manual | S | 44 | 6.2937 | 148 | 0.06 | 100 |
IV.T1214.EHZ. | 2017-04-04T09:20:14.21 | 0.1 | undecidable | manual | S | 136 | 8.6802 | 139 | -0.26 | 95 |
IV.T1218.EHZ. | 2017-04-04T09:20:13.85 | 0.1 | undecidable | manual | P | 186 | 16.2726 | 122 | 0.15 | 96 |
IV.T1216.EHZ. | 2017-04-04T09:20:13.33 | 0.1 | undecidable | manual | P | 312 | 12.5763 | 129 | 0.24 | 95 |
IV.T1245.HHZ. | 2017-04-04T09:20:12.54 | 0.1 | negative | manual | P | 44 | 6.2937 | 148 | 0.29 | 95 |
IV.T1214.EHZ. | 2017-04-04T09:20:12.68 | 0.1 | positive | manual | P | 136 | 8.6802 | 139 | 0.15 | 98 |
IV.T1212.EHZ. | 2017-04-04T09:20:12.83 | 0.1 | positive | manual | P | 226 | 10.1787 | 134 | 0.09 | 99 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.FDMO.HHN. | ML:0.7 | 0.00002855 | 0.3 | AML | other | m | 2017-04-04T09:20:19.49 |
IV.FDMO.HHE. | ML:0.6 | 0.000026299999999999996 | 1.22 | AML | other | m | 2017-04-04T09:20:19.94 |
IV.T1216.EHE. | ML:1.2 | 0.00015949999999999997 | 0.3 | AML | other | m | 2017-04-04T09:20:15.94 |
IV.T1216.EHN. | ML:1.1 | 0.00015 | 0.5 | AML | other | m | 2017-04-04T09:20:16.51 |
IV.T1245.HHN. | ML:1.2 | 0.00022499999999999997 | 1.12 | AML | other | m | 2017-04-04T09:20:14.94 |
IV.T1245.HHE. | ML:1.2 | 0.00021799999999999999 | 0.58 | AML | other | m | 2017-04-04T09:20:14.51 |