A magnitude ML 0.8 earthquake occured in region: 8 km SE Norcia (PG), on
and geographic coordinates (lat, lon) 42.7390, 13.1590 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 |
Cascia | PG | 12 | 3217 | 8841 |
Arquata del Tronto | AP | 12 | 1178 | 10019 |
Cittareale | RI | 13 | 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 | 19 | 599 | 15402 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.8 | 2017-07-04 09:30:50 |
42.7393 | 13.1588 | 3 | 2017-07-04 09:45:06 |
Sala Sismica INGV-Roma | 47484011 |
Field | Value |
---|---|
Time (UTC) | 2017-07-04 09:30:50 ± 0.15 |
Latitude | 42.7393 ± 0.0027 |
Longitude | 13.1588 ± 0.0073 |
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 | 47484011 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 567 |
Semi-minor axis of confidence ellipse (meter) | 208 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 269 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 570.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 136 |
Number of associated phases, regardless of their use for origin computation | 14 |
Number of defining phases | 12 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.24 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.17357 |
Number of stations at which the event was observed | 8 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 0.8 |
Uncertainty | 0.2 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 47484011 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2017-07-04 09:45:06 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.PP3.EHZ. | 2017-07-04T09:31:02.91 | 3.0 | undecidable | manual | P | -0.27 | 0 | |||
IV.MC2.EHZ. | 2017-07-04T09:30:57.62 | 0.3 | undecidable | manual | S | 7 | 19.2696 | 98 | 0.34 | 70 |
IV.T1299.EHZ. | 2017-07-04T09:30:56.28 | 0.1 | undecidable | manual | S | 139 | 15.3735 | 99 | 0.33 | 95 |
IV.T1245.HHZ. | 2017-07-04T09:30:55.42 | 0.1 | undecidable | manual | S | 10 | 13.1757 | 101 | 0.21 | 97 |
IV.FDMO.HHZ. | 2017-07-04T09:30:55.98 | 3.0 | undecidable | manual | P | -0.03 | 0 | |||
IV.NRCA.HHZ. | 2017-07-04T09:30:54.58 | 0.1 | undecidable | manual | S | 341 | 11.0778 | 103 | 0.1 | 100 |
IV.MC2.EHZ. | 2017-07-04T09:30:54.34 | 0.1 | undecidable | manual | P | 7 | 19.2696 | 98 | -0.09 | 99 |
IV.T1299.EHZ. | 2017-07-04T09:30:53.50 | 0.1 | undecidable | manual | P | 139 | 15.3735 | 99 | -0.16 | 98 |
IV.T1245.HHZ. | 2017-07-04T09:30:53.08 | 0.1 | undecidable | manual | P | 10 | 13.1757 | 101 | -0.16 | 98 |
IV.T1218.EHZ. | 2017-07-04T09:30:53.81 | 0.1 | undecidable | manual | S | 205 | 8.4804 | 107 | 0.2 | 98 |
IV.T1218.EHZ. | 2017-07-04T09:30:52.06 | 0.1 | undecidable | manual | P | 205 | 8.4804 | 107 | -0.25 | 97 |
IV.NRCA.HHZ. | 2017-07-04T09:30:52.65 | 0.1 | positive | manual | P | 341 | 11.0778 | 103 | -0.16 | 99 |
IV.T1214.EHZ. | 2017-07-04T09:30:52.22 | 0.1 | undecidable | manual | S | 61 | 4.6953 | 119 | -0.16 | 100 |
IV.T1214.EHZ. | 2017-07-04T09:30:51.42 | 0.6 | undecidable | manual | P | 61 | 4.6953 | 119 | -0.18 | 50 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:0.8 | 0.0000973 | 0.42 | AML | other | m | 2017-07-04T09:30:55.18 |
IV.NRCA.HHE. | ML:1.2 | 0.0002415 | 0.08 | AML | other | m | 2017-07-04T09:30:55.27 |
IV.T1299.EHE. | ML:0.6 | 0.000041599999999999995 | 0.3 | AML | other | m | 2017-07-04T09:30:56.39 |
IV.T1299.EHN. | ML:0.8 | 0.0000812 | 0.96 | AML | other | m | 2017-07-04T09:30:56.50 |
IV.T1245.HHN. | ML:1.0 | 0.00014150000000000002 | 0.68 | AML | other | m | 2017-07-04T09:30:56.58 |
IV.T1245.HHE. | ML:0.8 | 0.00007919999999999999 | 0.22 | AML | other | m | 2017-07-04T09:30:56.73 |
IV.FDMO.HHE. | ML:0.5 | 0.000017099999999999996 | 1.54 | AML | other | m | 2017-07-04T09:30:56.94 |
IV.FDMO.HHN. | ML:0.6 | 0.000021599999999999996 | 1.76 | AML | other | m | 2017-07-04T09:30:57.02 |