A magnitude ML 0.8 earthquake occured in region: 4 km NE Norcia (PG), on
and geographic coordinates (lat, lon) 42.8120, 13.1290 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 | 10 | 281 | 5238 |
Preci | PG | 10 | 724 | 5962 |
Visso | MC | 14 | 1107 | 7069 |
Cascia | PG | 14 | 3217 | 10286 |
Arquata del Tronto | AP | 14 | 1178 | 11464 |
Ussita | MC | 15 | 444 | 11908 |
Accumoli | RI | 16 | 667 | 12575 |
Montegallo | AP | 17 | 523 | 13098 |
Cerreto di Spoleto | PG | 17 | 1075 | 14173 |
Sellano | PG | 19 | 1079 | 15252 |
Montemonaco | AP | 19 | 604 | 15856 |
Poggiodomo | PG | 19 | 117 | 15973 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.8 | 2017-08-31 15:48:32 |
42.8122 | 13.1287 | 10 | 2017-08-31 16:02:56 |
Sala Sismica INGV-Roma | 49547121 |
Field | Value |
---|---|
Time (UTC) | 2017-08-31 15:48:32 ± 0.06 |
Latitude | 42.8122 ± 0.0027 |
Longitude | 13.1287 ± 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 | 49547121 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 280 |
Semi-minor axis of confidence ellipse (meter) | 265 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 173 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 280.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 125 |
Number of associated phases, regardless of their use for origin computation | 15 |
Number of defining phases | 15 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.12 |
Epicentral distance of station closest to the epicenter (degree) | 0.10882 |
Epicentral distance of station farthest from the epicenter (degree) | 0.28509 |
Number of stations at which the event was observed | 8 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 0.8 |
Uncertainty | 0.1 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 49547121 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2017-08-31 16:02:56 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CSP1.EHZ. | 2017-08-31T15:48:43.41 | 0.3 | undecidable | manual | S | 11 | 31.6461 | 50 | 0 | 97 |
IV.CESI.HHZ. | 2017-08-31T15:48:42.45 | 0.3 | undecidable | manual | S | 320 | 28.0497 | 50 | -0.01 | 97 |
IV.FDMO.HHZ. | 2017-08-31T15:48:41.36 | 0.6 | undecidable | manual | S | 352 | 25.1526 | 112 | -0.28 | 62 |
IV.T1221.EHZ. | 2017-08-31T15:48:41.03 | 0.3 | undecidable | manual | S | 283 | 23.5542 | 113 | -0.1 | 96 |
IV.MMO1.EHZ. | 2017-08-31T15:48:39.56 | 0.3 | undecidable | manual | S | 59 | 18.7701 | 118 | -0.09 | 97 |
IV.CSP1.EHZ. | 2017-08-31T15:48:38.69 | 0.3 | undecidable | manual | P | 11 | 31.6461 | 50 | -0.01 | 97 |
IV.T1218.EHZ. | 2017-08-31T15:48:38.59 | 0.6 | undecidable | manual | S | 184 | 15.7731 | 122 | -0.16 | 64 |
IV.CESI.HHZ. | 2017-08-31T15:48:38.13 | 0.6 | undecidable | manual | P | 320 | 28.0497 | 50 | -0.02 | 65 |
IV.T1221.EHZ. | 2017-08-31T15:48:37.42 | 0.3 | undecidable | manual | P | 283 | 23.5542 | 113 | 0.04 | 98 |
IV.T1216.EHZ. | 2017-08-31T15:48:37.81 | 0.3 | undecidable | manual | S | 314 | 12.4764 | 129 | 0.01 | 100 |
IV.FDMO.HHZ. | 2017-08-31T15:48:37.57 | 0.6 | undecidable | manual | P | 352 | 25.1526 | 112 | -0.1 | 64 |
IV.MMO1.EHZ. | 2017-08-31T15:48:36.47 | 0.6 | undecidable | manual | P | 59 | 18.7701 | 118 | -0.05 | 65 |
IV.T1218.EHZ. | 2017-08-31T15:48:36.04 | 0.6 | undecidable | manual | P | 184 | 15.7731 | 122 | 0.03 | 66 |
IV.MC2.EHZ. | 2017-08-31T15:48:35.69 | 0.3 | undecidable | manual | P | 24 | 12.0768 | 130 | 0.3 | 94 |
IV.T1216.EHZ. | 2017-08-31T15:48:35.68 | 0.3 | undecidable | manual | P | 314 | 12.4764 | 129 | 0.22 | 96 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.T1216.EHN. | ML:1.0 | 0.00010105 | 0.1 | AML | other | m | 2017-08-31T15:48:38.28 |
IV.T1216.EHE. | ML:0.8 | 0.00006875 | 0.82 | AML | other | m | 2017-08-31T15:48:38.14 |
IV.FDMO.HHN. | ML:0.8 | 0.000039800000000000005 | 1.3 | AML | other | m | 2017-08-31T15:48:41.78 |
IV.FDMO.HHE. | ML:0.6 | 0.000026450000000000003 | 1.08 | AML | other | m | 2017-08-31T15:48:41.28 |