A magnitude ML 0.8 earthquake occured in region: 2 km W Norcia (PG), on
and geographic coordinates (lat, lon) 42.7980, 13.0750 at 4 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 | 2 | 4957 | 4957 |
Preci | PG | 10 | 724 | 5681 |
Cascia | PG | 10 | 3217 | 8898 |
Castelsantangelo sul Nera | MC | 13 | 281 | 9179 |
Cerreto di Spoleto | PG | 13 | 1075 | 10254 |
Poggiodomo | PG | 15 | 117 | 10371 |
Visso | MC | 15 | 1107 | 11478 |
Sellano | PG | 16 | 1079 | 12557 |
Ussita | MC | 17 | 444 | 13001 |
Vallo di Nera | PG | 18 | 364 | 13365 |
Accumoli | RI | 18 | 667 | 14032 |
Arquata del Tronto | AP | 18 | 1178 | 15210 |
Monteleone di Spoleto | PG | 19 | 599 | 15809 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.8 | 2016-10-20 08:23:19 |
42.798 | 13.0753 | 4 | 2016-10-20 08:31:47 |
Sala Sismica INGV-Roma | 30390171 |
Field | Value |
---|---|
Time (UTC) | 2016-10-20 08:23:19 ± 0.19 |
Latitude | 42.7980 ± 0.0045 |
Longitude | 13.0753 ± 0.0061 |
Depth (km) | 4 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 30390171 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 480 |
Semi-minor axis of confidence ellipse (meter) | 332 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 133 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 480.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 133 |
Number of associated phases, regardless of their use for origin computation | 29 |
Number of defining phases | 10 |
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) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 5.39593 |
Number of stations at which the event was observed | 20 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 0.8 |
Uncertainty | 0.1 |
Num. used stations | 1 |
Type of magnitude | ML |
Reference to an origin | 30390171 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2016-10-20 08:31:47 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
SI.RISI.HHZ. | 2016-10-20T08:24:43.99 | 3.0 | undecidable | manual | Sn | 423.2541 | 1.26 | 0 | ||
SI.BOSI.HHZ. | 2016-10-20T08:24:35.99 | 3.0 | undecidable | manual | Sn | -5.13 | 0 | |||
AC.KBN.HHZ. | 2016-10-20T08:24:16.15 | 3.0 | undecidable | manual | Pn | 598.9449 | -1.82 | 0 | ||
IV.CAVE.HHZ. | 2016-10-20T08:24:19.99 | 3.0 | undecidable | manual | Sn | -1.87 | 0 | |||
GU.MGRO.HHZ. | 2016-10-20T08:24:19.67 | 3.0 | undecidable | manual | Pn | 6.2 | 0 | |||
IV.VIVA.HHZ. | 2016-10-20T08:24:10.99 | 3.0 | undecidable | manual | Sg | 2.93 | 0 | |||
IV.ZONE.HHZ. | 2016-10-20T08:23:56.69 | 3.0 | undecidable | manual | Pn | 437.229 | -1.38 | 0 | ||
SI.RISI.HHZ. | 2016-10-20T08:24:05.23 | 3.0 | negative | manual | Pg | 423.2541 | 8.96 | 0 | ||
CH.MUGIO.HHZ. | 2016-10-20T08:24:04.25 | 3.0 | undecidable | manual | Pn | -3.92 | 0 | |||
IV.SIRI.HHZ. | 2016-10-20T08:23:57.32 | 3.0 | negative | manual | Pg | 4.6 | 0 | |||
IV.LEOD.HNZ. | 2016-10-20T08:23:51.19 | 3.0 | positive | manual | Pn | -4.8 | 0 | |||
IV.T1202.EHZ. | 2016-10-20T08:23:43.99 | 3.0 | undecidable | manual | S | 163.7139 | -1.86 | 0 | ||
IV.PTRJ.HHZ. | 2016-10-20T08:23:32.45 | 3.0 | undecidable | manual | Pn | -2.89 | 0 | |||
IV.LNSS.HHZ. | 2016-10-20T08:23:27.13 | 0.3 | undecidable | manual | S | 188 | 21.867 | 101 | 0.12 | 74 |
IV.LPEL.HHZ. | 2016-10-20T08:23:26.80 | 3.0 | undecidable | manual | P | 0.1 | 0 | |||
IV.ARRO.EHZ. | 2016-10-20T08:23:25.05 | 3.0 | undecidable | manual | Pn | -3.9 | 0 | |||
IV.T1215.EHZ. | 2016-10-20T08:23:25.39 | 0.3 | undecidable | manual | S | 272 | 16.872 | 104 | 0.08 | 76 |
IV.LNSS.HHZ. | 2016-10-20T08:23:23.73 | 0.6 | undecidable | manual | P | 188 | 21.867 | 101 | -0.01 | 51 |
IV.T1245.HHZ. | 2016-10-20T08:23:23.77 | 0.3 | undecidable | manual | S | 55 | 11.2776 | 111 | 0.31 | 73 |
IV.T1216.EHZ. | 2016-10-20T08:23:23.74 | 0.3 | undecidable | manual | S | 336 | 11.2776 | 111 | 0.27 | 73 |
IV.FRON.EHZ. | 2016-10-20T08:23:23.48 | 3.0 | undecidable | manual | Pn | -1.05 | 0 | |||
IV.T1215.EHZ. | 2016-10-20T08:23:22.66 | 0.3 | undecidable | manual | P | 272 | 16.872 | 104 | -0.11 | 75 |
IV.T1202.EHZ. | 2016-10-20T08:23:22.77 | 3.0 | negative | manual | P | 163.7139 | -1.47 | 0 | ||
IV.NRCA.HNN. | 2016-10-20T08:23:21.49 | 0.3 | undecidable | manual | S | 39 | 5.0949 | 131 | -0.11 | 77 |
IV.T1245.HHZ. | 2016-10-20T08:23:21.66 | 0.3 | undecidable | manual | P | 55 | 11.2776 | 111 | -0.04 | 77 |
IV.T1216.EHZ. | 2016-10-20T08:23:21.48 | 0.3 | undecidable | manual | P | 336 | 11.2776 | 111 | -0.22 | 74 |
IV.NRCA.HNN. | 2016-10-20T08:23:20.41 | 0.1 | undecidable | manual | P | 39 | 5.0949 | 131 | -0.21 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.T1245.HHE. | ML:0.7 | 0.00008255 | 0.88 | AML | other | m | 2016-10-20T08:23:24.37 |
IV.T1245.HHN. | ML:0.9 | 0.000108 | 0.74 | AML | other | m | 2016-10-20T08:23:25.20 |