A magnitude ML 1.0 earthquake occured in region: 4 km W Preci (PG), on
and geographic coordinates (lat, lon) 42.8830, 12.9880 at 1 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 |
---|---|---|---|---|
Preci | PG | 4 | 724 | 724 |
Sellano | PG | 5 | 1079 | 1803 |
Cerreto di Spoleto | PG | 9 | 1075 | 2878 |
Visso | MC | 10 | 1107 | 3985 |
Monte Cavallo | MC | 13 | 145 | 4130 |
Norcia | PG | 13 | 4957 | 9087 |
Castelsantangelo sul Nera | MC | 14 | 281 | 9368 |
Ussita | MC | 14 | 444 | 9812 |
Vallo di Nera | PG | 16 | 364 | 10176 |
Cascia | PG | 18 | 3217 | 13393 |
Campello sul Clitunno | PG | 19 | 2442 | 15835 |
Pieve Torina | MC | 19 | 1458 | 17293 |
Fiordimonte | MC | 19 | 202 | 17495 |
Poggiodomo | PG | 19 | 117 | 17612 |
Trevi | PG | 20 | 8469 | 26081 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.0 | 2017-04-12 20:09:56 |
42.8827 | 12.9885 | 1 | 2017-04-12 20:17:09 |
Sala Sismica INGV-Roma | 43786631 |
Field | Value |
---|---|
Time (UTC) | 2017-04-12 20:09:56 ± 0.21 |
Latitude | 42.8827 ± 0.0072 |
Longitude | 12.9885 ± 0.0160 |
Depth (km) | 1 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 43786631 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1340 |
Semi-minor axis of confidence ellipse (meter) | 740 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 111 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1340.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 170 |
Number of associated phases, regardless of their use for origin computation | 12 |
Number of defining phases | 9 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.42 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.24821 |
Number of stations at which the event was observed | 8 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.3 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 43786631 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2017-04-12 20:17:09 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.COR1.EHZ. | 2017-04-12T20:10:10.36 | 3.0 | positive | manual | Pg | 2.28 | 0 | |||
IV.MMO1.EHZ. | 2017-04-12T20:10:05.84 | 0.3 | undecidable | manual | S | 86 | 27.5502 | 92 | 0.25 | 74 |
IV.T1256.HHZ. | 2017-04-12T20:10:04.32 | 0.3 | undecidable | manual | S | 55 | 23.6541 | 92 | 0.08 | 77 |
IV.T1241.EHZ. | 2017-04-12T20:10:03.84 | 3.0 | undecidable | manual | Pg | 1.81 | 0 | |||
IV.T1219.EHZ. | 2017-04-12T20:10:02.32 | 0.3 | undecidable | manual | S | 4 | 19.2696 | 93 | -0.39 | 72 |
IV.T1217.EHZ. | 2017-04-12T20:10:02.79 | 0.3 | undecidable | manual | S | 194 | 19.4694 | 93 | -0.01 | 78 |
IV.MMO1.EHZ. | 2017-04-12T20:10:01.70 | 0.1 | undecidable | manual | P | 86 | 27.5502 | 92 | 0.15 | 100 |
IV.T1217.EHZ. | 2017-04-12T20:10:00.33 | 0.3 | undecidable | manual | P | 194 | 19.4694 | 93 | 0.39 | 72 |
IV.T1256.HHZ. | 2017-04-12T20:10:00.32 | 0.1 | undecidable | manual | P | 55 | 23.6541 | 92 | -0.45 | 95 |
IV.T1216.EHZ. | 2017-04-12T20:10:00.00 | 3.0 | positive | manual | Pn | -0.24 | 0 | |||
IV.T1219.EHZ. | 2017-04-12T20:10:00.42 | 0.1 | undecidable | manual | P | 4 | 19.2696 | 93 | 0.54 | 93 |
IV.T1212.EHZ. | 2017-04-12T20:09:58.63 | 0.1 | undecidable | manual | P | 163 | 15.2736 | 94 | -0.45 | 96 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.T1219.EHN. | ML:1.3 | 0.0001825 | 0.26 | AML | other | m | 2017-04-12T20:10:02.51 |
IV.T1219.EHE. | ML:1.2 | 0.000125 | 0.1 | AML | other | m | 2017-04-12T20:10:02.59 |
IV.T1245.HHE. | ML:0.8 | 0.0000615 | 1.44 | AML | other | m | 2017-04-12T20:10:06.06 |
IV.T1245.HHN. | ML:0.9 | 0.00008625 | 1.44 | AML | other | m | 2017-04-12T20:10:07.05 |