A magnitude ML 0.9 earthquake occured in region: 5 km E Norcia (PG), on
and geographic coordinates (lat, lon) 42.7930, 13.1590 at 6 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 | 5 | 4957 | 4957 |
Castelsantangelo sul Nera | MC | 11 | 281 | 5238 |
Arquata del Tronto | AP | 12 | 1178 | 6416 |
Accumoli | RI | 13 | 667 | 7083 |
Preci | PG | 14 | 724 | 7807 |
Cascia | PG | 14 | 3217 | 11024 |
Montegallo | AP | 15 | 523 | 11547 |
Visso | MC | 16 | 1107 | 12654 |
Ussita | MC | 17 | 444 | 13098 |
Montemonaco | AP | 18 | 604 | 13702 |
Cittareale | RI | 19 | 482 | 14184 |
Cerreto di Spoleto | PG | 20 | 1075 | 15259 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.9 | 2017-03-21 18:18:43 |
42.7932 | 13.1588 | 6 | 2017-03-21 18:26:59 |
Sala Sismica INGV-Roma | 42750601 |
Field | Value |
---|---|
Time (UTC) | 2017-03-21 18:18:43 ± 0.12 |
Latitude | 42.7932 ± 0.0036 |
Longitude | 13.1588 ± 0.0049 |
Depth (km) | 6 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 42750601 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 357 |
Semi-minor axis of confidence ellipse (meter) | 335 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 313 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 360.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 104 |
Number of associated phases, regardless of their use for origin computation | 24 |
Number of defining phases | 12 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.14 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.24911 |
Number of stations at which the event was observed | 18 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.1 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 42750601 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2017-03-21 18:26:59 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
CH.MUGIO.HHZ. | 2017-03-21T18:20:33.16 | 3.0 | undecidable | manual | Sn | 1.27 | 0 | |||
IV.TREG.HNZ. | 2017-03-21T18:20:04.51 | 3.0 | undecidable | manual | Sn | 1.03 | 0 | |||
RD.PGF.BHZ. | 2017-03-21T18:19:58.80 | 3.0 | undecidable | manual | Sn | 2.99 | 0 | |||
IV.MNTV.HNZ. | 2017-03-21T18:19:58.68 | 3.0 | undecidable | manual | Sn | 0.17 | 0 | |||
IV.MGR.HHZ. | 2017-03-21T18:19:55.85 | 3.0 | undecidable | manual | Sn | -1.22 | 0 | |||
IV.NDIM.HHZ. | 2017-03-21T18:19:51.67 | 3.0 | undecidable | manual | Sn | -0.42 | 0 | |||
IV.LEOD.HNZ. | 2017-03-21T18:19:44.15 | 3.0 | negative | manual | Pg | 14.62 | 0 | |||
IV.VENL.HNZ. | 2017-03-21T18:19:29.70 | 3.0 | undecidable | manual | Pg | 9.48 | 0 | |||
BA.PZUN.HHZ. | 2017-03-21T18:19:25.01 | 3.0 | negative | manual | Pg | 6.82 | 0 | |||
IV.NDIM.HHZ. | 2017-03-21T18:19:16.15 | 3.0 | positive | manual | Pn | -2.6 | 0 | |||
IV.SGTA.HHZ. | 2017-03-21T18:19:11.32 | 3.0 | undecidable | manual | Pn | 1.02 | 0 | |||
IV.FDMO.HHZ. | 2017-03-21T18:18:52.35 | 1.0 | undecidable | manual | S | 348 | 27.6501 | 103 | -0.47 | 22 |
IV.T1217.EHZ. | 2017-03-21T18:18:50.64 | 0.3 | undecidable | manual | S | 244 | 20.5683 | 107 | 0.18 | 71 |
IV.VIVA.HHZ. | 2017-03-21T18:18:49.11 | 3.0 | positive | manual | P | -1.58 | 0 | |||
IV.MMO1.EHZ. | 2017-03-21T18:18:49.82 | 0.3 | undecidable | manual | S | 49 | 18.0708 | 109 | 0.2 | 71 |
IV.FDMO.HHZ. | 2017-03-21T18:18:48.53 | 0.1 | undecidable | manual | P | 348 | 27.6501 | 103 | -0.14 | 94 |
IV.T1217.EHZ. | 2017-03-21T18:18:47.27 | 0.1 | undecidable | manual | P | 244 | 20.5683 | 107 | -0.04 | 97 |
IV.MC2.EHZ. | 2017-03-21T18:18:46.22 | 1.0 | negative | manual | P | 11 | 13.3755 | 115 | 0.27 | 23 |
IV.T1218.EHZ. | 2017-03-21T18:18:46.11 | 1.0 | negative | manual | P | 195 | 14.0748 | 114 | 0.02 | 25 |
IV.MMO1.EHZ. | 2017-03-21T18:18:46.79 | 0.3 | positive | manual | P | 49 | 18.0708 | 109 | -0.03 | 73 |
IV.T1245.HHZ. | 2017-03-21T18:18:46.41 | 0.3 | undecidable | manual | S | 19 | 7.3815 | 130 | 0.05 | 74 |
IV.T1245.HHZ. | 2017-03-21T18:18:45.01 | 0.1 | undecidable | manual | P | 19 | 7.3815 | 130 | 0.07 | 99 |
IV.T1214.EHZ. | 2017-03-21T18:18:45.72 | 0.3 | undecidable | manual | S | 132 | 5.4945 | 138 | -0.16 | 73 |
IV.T1214.EHZ. | 2017-03-21T18:18:44.65 | 0.1 | undecidable | manual | P | 132 | 5.4945 | 138 | -0.01 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.FDMO.HHE. | ML:0.9 | 0.0000443 | 0.14 | AML | other | m | 2017-03-21T18:19:11.02 |
IV.FDMO.HHN. | ML:0.8 | 0.0000334 | 0.14 | AML | other | m | 2017-03-21T18:19:11.11 |
IV.T1216.EHE. | ML:0.8 | 0.00006750000000000001 | 0.42 | AML | other | m | 2017-03-21T18:18:44.95 |
IV.T1216.EHN. | ML:0.9 | 0.00007298000000000001 | 1.32 | AML | other | m | 2017-03-21T18:19:06.66 |