A magnitude ML 1.1 earthquake occured in region: 8 km SE Norcia (PG), on
and geographic coordinates (lat, lon) 42.7410, 13.1600 at 3 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 | 8 | 4957 | 4957 |
Accumoli | RI | 9 | 667 | 5624 |
Arquata del Tronto | AP | 12 | 1178 | 6802 |
Cascia | PG | 12 | 3217 | 10019 |
Cittareale | RI | 14 | 482 | 10501 |
Amatrice | RI | 16 | 2657 | 13158 |
Castelsantangelo sul Nera | MC | 17 | 281 | 13439 |
Montegallo | AP | 18 | 523 | 13962 |
Preci | PG | 18 | 724 | 14686 |
Poggiodomo | PG | 19 | 117 | 14803 |
Monteleone di Spoleto | PG | 20 | 599 | 15402 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2016-12-31 07:20:43 |
42.7407 | 13.1602 | 3 | 2016-12-31 07:37:46 |
Sala Sismica INGV-Roma | 38121351 |
Field | Value |
---|---|
Time (UTC) | 2016-12-31 07:20:43 ± 0.19 |
Latitude | 42.7407 ± 0.0054 |
Longitude | 13.1602 ± 0.0061 |
Depth (km) | 3 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 38121351 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 578 |
Semi-minor axis of confidence ellipse (meter) | 213 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 155 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 580.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 93 |
Number of associated phases, regardless of their use for origin computation | 12 |
Number of defining phases | 12 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.27 |
Epicentral distance of station closest to the epicenter (degree) | 0.04047 |
Epicentral distance of station farthest from the epicenter (degree) | 0.16907 |
Number of stations at which the event was observed | 7 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.0 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 38121351 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2016-12-31 07:37:46 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.SMA1.EHE. | 2016-12-31T07:20:50.36 | 0.3 | undecidable | manual | S | 130 | 18.7701 | 100 | 0.55 | 66 |
IV.LNSS.HHN. | 2016-12-31T07:20:49.45 | 0.6 | undecidable | manual | S | 213 | 18.1707 | 100 | -0.14 | 48 |
IV.LNSS.HHN. | 2016-12-31T07:20:47.33 | 0.1 | undecidable | manual | P | 213 | 18.1707 | 100 | 0.45 | 91 |
IV.SMA1.EHE. | 2016-12-31T07:20:46.87 | 0.1 | undecidable | manual | P | 130 | 18.7701 | 100 | -0.14 | 97 |
IV.T1212.EHZ. | 2016-12-31T07:20:46.88 | 0.3 | undecidable | manual | S | 277 | 9.4794 | 109 | 0.21 | 73 |
IV.T1299.EHZ. | 2016-12-31T07:20:46.06 | 0.1 | negative | manual | P | 140 | 15.4734 | 102 | -0.29 | 94 |
IV.T1218.EHZ. | 2016-12-31T07:20:46.20 | 0.3 | undecidable | manual | S | 205 | 8.6802 | 110 | -0.19 | 73 |
IV.T1212.EHZ. | 2016-12-31T07:20:45.14 | 0.1 | undecidable | manual | P | 277 | 9.4794 | 109 | -0.06 | 100 |
IV.T1214.EHZ. | 2016-12-31T07:20:45.22 | 0.3 | undecidable | manual | S | 62 | 4.4955 | 125 | 0.12 | 75 |
IV.T1245.HHZ. | 2016-12-31T07:20:45.87 | 0.1 | undecidable | manual | P | 10 | 13.0758 | 104 | -0.02 | 100 |
IV.T1214.EHZ. | 2016-12-31T07:20:44.14 | 0.1 | positive | manual | P | 62 | 4.4955 | 125 | -0.16 | 99 |
IV.T1218.EHZ. | 2016-12-31T07:20:44.88 | 0.1 | undecidable | manual | P | 205 | 8.6802 | 110 | -0.16 | 98 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.T1218.EHE. | ML:1.3 | 0.0003385 | 0.16 | AML | other | m | 2016-12-31T07:20:46.34 |
IV.T1218.EHN. | ML:1.4 | 0.0004625 | 0.72 | AML | other | m | 2016-12-31T07:20:46.42 |
IV.T1299.EHE. | ML:1.1 | 0.00013400235 | 0.96 | AML | other | m | 2016-12-31T07:20:49.60 |
IV.T1299.EHN. | ML:1.0 | 0.0001274444 | 0.2816 | AML | other | m | 2016-12-31T07:20:48.93 |