A magnitude ML 1.7 earthquake occured in region: 8 km NW Accumoli (RI), on
and geographic coordinates (lat, lon) 42.7370, 13.1690 at 9 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 |
---|---|---|---|---|
Accumoli | RI | 8 | 667 | 667 |
Norcia | PG | 9 | 4957 | 5624 |
Arquata del Tronto | AP | 11 | 1178 | 6802 |
Cascia | PG | 13 | 3217 | 10019 |
Cittareale | RI | 13 | 482 | 10501 |
Amatrice | RI | 15 | 2657 | 13158 |
Castelsantangelo sul Nera | MC | 18 | 281 | 13439 |
Montegallo | AP | 18 | 523 | 13962 |
Preci | PG | 19 | 724 | 14686 |
Poggiodomo | PG | 19 | 117 | 14803 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.7 | 2017-04-05 15:46:39 |
42.7368 | 13.1693 | 9 | 2017-04-05 17:32:34 |
Sala Sismica INGV-Roma | 43427341 |
Field | Value |
---|---|
Time (UTC) | 2017-04-05 15:46:39 ± 0.11 |
Latitude | 42.7368 ± 0.0045 |
Longitude | 13.1693 ± 0.0073 |
Depth (km) | 9 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 43427341 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 491 |
Semi-minor axis of confidence ellipse (meter) | 342 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 53 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 490.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 57 |
Number of associated phases, regardless of their use for origin computation | 27 |
Number of defining phases | 24 |
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) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.33904 |
Number of stations at which the event was observed | 16 |
Number of stations from which data was used for origin computation | 13 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 0.2 |
Num. used stations | 7 |
Type of magnitude | ML |
Reference to an origin | 43427341 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2017-04-05 17:32:34 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.FRON.EHZ. | 2017-04-05T15:47:07.95 | 3.0 | undecidable | manual | S | 0.29 | 0 | |||
IV.ARVD.HHZ. | 2017-04-05T15:47:04.89 | 3.0 | undecidable | manual | S | -0.71 | 0 | |||
IV.TERO.HHZ. | 2017-04-05T15:46:51.75 | 0.6 | undecidable | manual | S | 109 | 37.629 | 50 | -0.4 | 44 |
IV.T1256.HHZ. | 2017-04-05T15:46:50.46 | 3.0 | undecidable | manual | S | 0.92 | 0 | |||
IV.RM33.EHZ. | 2017-04-05T15:46:48.42 | 0.6 | undecidable | manual | S | 172 | 25.5522 | 110 | -0.22 | 47 |
IV.MC2.EHZ. | 2017-04-05T15:46:47.35 | 0.6 | undecidable | manual | S | 5 | 19.4694 | 115 | 0.66 | 42 |
IV.MMO1.EHZ. | 2017-04-05T15:46:47.59 | 0.6 | undecidable | manual | S | 35 | 22.1556 | 113 | 0.05 | 49 |
IV.SMA1.EHZ. | 2017-04-05T15:46:46.57 | 0.6 | undecidable | manual | S | 131 | 17.9709 | 117 | 0.35 | 46 |
IV.T1217.EHZ. | 2017-04-05T15:46:46.71 | 0.6 | undecidable | manual | S | 262 | 19.5693 | 115 | -0.03 | 49 |
IV.TERO.HHZ. | 2017-04-05T15:46:46.32 | 0.1 | undecidable | manual | P | 109 | 37.629 | 50 | -0.37 | 89 |
IV.T1299.EHZ. | 2017-04-05T15:46:45.60 | 0.6 | undecidable | manual | S | 141 | 14.6742 | 122 | 0.38 | 46 |
IV.NRCA.HHZ. | 2017-04-05T15:46:44.08 | 0.6 | undecidable | manual | S | 337 | 11.6772 | 128 | -0.29 | 47 |
IV.MMO1.EHZ. | 2017-04-05T15:46:44.15 | 1.0 | negative | manual | P | 35 | 22.1556 | 113 | 0.12 | 24 |
IV.RM33.EHZ. | 2017-04-05T15:46:44.61 | 0.3 | negative | manual | P | 172 | 25.5522 | 110 | -0.05 | 73 |
IV.T1217.EHZ. | 2017-04-05T15:46:43.80 | 1.0 | undecidable | manual | P | 262 | 19.5693 | 115 | 0.24 | 24 |
IV.T1212.EHZ. | 2017-04-05T15:46:43.73 | 0.6 | undecidable | manual | S | 279 | 10.2786 | 132 | -0.28 | 48 |
IV.MC2.EHZ. | 2017-04-05T15:46:43.92 | 1.0 | positive | manual | P | 5 | 19.4694 | 115 | 0.39 | 23 |
IV.T1299.EHZ. | 2017-04-05T15:46:43.08 | 0.1 | positive | manual | P | 141 | 14.6742 | 122 | 0.39 | 92 |
IV.T1216.EHZ. | 2017-04-05T15:46:43.74 | 0.1 | undecidable | manual | P | 324 | 20.9679 | 114 | -0.08 | 98 |
IV.T1218.EHZ. | 2017-04-05T15:46:43.41 | 0.6 | undecidable | manual | S | 211 | 8.5803 | 137 | -0.19 | 49 |
IV.SMA1.EHZ. | 2017-04-05T15:46:43.53 | 0.6 | negative | manual | P | 131 | 17.9709 | 117 | 0.27 | 47 |
IV.T1245.HHZ. | 2017-04-05T15:46:42.74 | 0.1 | undecidable | manual | P | 6 | 13.3755 | 124 | 0.26 | 95 |
IV.NRCA.HHZ. | 2017-04-05T15:46:42.24 | 0.1 | negative | manual | P | 337 | 11.6772 | 128 | 0.04 | 100 |
IV.T1212.EHZ. | 2017-04-05T15:46:42.19 | 0.1 | undecidable | manual | P | 279 | 10.2786 | 132 | 0.2 | 97 |
IV.T1218.EHZ. | 2017-04-05T15:46:41.84 | 0.1 | undecidable | manual | P | 211 | 8.5803 | 137 | 0.09 | 100 |
IV.T1214.EHZ. | 2017-04-05T15:46:41.82 | 0.3 | undecidable | manual | S | 52 | 4.0959 | 156 | -0.89 | 59 |
IV.T1214.EHZ. | 2017-04-05T15:46:40.97 | 0.1 | undecidable | manual | P | 52 | 4.0959 | 156 | -0.27 | 97 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.7 | 0.0005989999999999999 | 0.14 | AML | other | m | 2017-04-05T15:46:44.70 |
IV.NRCA.HNN. | ML:1.7 | 0.000611 | 0.44 | AML | other | m | 2017-04-05T15:46:44.42 |
IV.NRCA.HHE. | ML:1.9 | 0.0010375 | 0.6 | AML | other | m | 2017-04-05T15:46:45.47 |
IV.NRCA.HNE. | ML:1.9 | 0.0009375 | 0.6 | AML | other | m | 2017-04-05T15:46:45.48 |
IV.SMA1.EHN. | ML:1.6 | 0.000357 | 0.42 | AML | other | m | 2017-04-05T15:46:47.08 |
IV.SMA1.EHE. | ML:1.7 | 0.000407 | 1 | AML | other | m | 2017-04-05T15:46:52.05 |
IV.T1218.EHN. | ML:1.4 | 0.000365 | 0.42 | AML | other | m | 2017-04-05T15:46:46.21 |
IV.T1218.HNN. | ML:1.5 | 0.00042100000000000004 | 0.42 | AML | other | m | 2017-04-05T15:46:46.21 |
IV.T1218.HNE. | ML:1.4 | 0.00032399999999999996 | 0.38 | AML | other | m | 2017-04-05T15:46:43.66 |
IV.T1218.EHE. | ML:1.3 | 0.000294 | 0.12 | AML | other | m | 2017-04-05T15:46:43.79 |
IV.T1245.HHN. | ML:2.0 | 0.001095 | 1.2 | AML | other | m | 2017-04-05T15:46:46.25 |
IV.T1245.HNN. | ML:2.0 | 0.00117 | 1.18 | AML | other | m | 2017-04-05T15:46:46.26 |
IV.T1245.HNE. | ML:1.6 | 0.000458 | 0.18 | AML | other | m | 2017-04-05T15:46:45.81 |
IV.T1245.HHE. | ML:1.6 | 0.00040899999999999997 | 0.78 | AML | other | m | 2017-04-05T15:46:45.81 |
IV.T1256.HHE. | ML:2.0 | 0.0005195 | 0.9 | AML | other | m | 2017-04-05T15:47:00.42 |
IV.T1256.HHN. | ML:2.0 | 0.0005315000000000001 | 0.42 | AML | other | m | 2017-04-05T15:47:01.24 |
IV.T1299.HNN. | ML:1.7 | 0.0004805 | 0.96 | AML | other | m | 2017-04-05T15:46:46.10 |
IV.T1299.EHN. | ML:1.6 | 0.000398 | 0.98 | AML | other | m | 2017-04-05T15:46:46.10 |
IV.T1299.HNE. | ML:1.4 | 0.0002565 | 1.46 | AML | other | m | 2017-04-05T15:46:46.04 |
IV.T1299.EHE. | ML:1.4 | 0.000252 | 1.4 | AML | other | m | 2017-04-05T15:46:46.04 |
IV.TERO.HNN. | ML:1.8 | 0.0002375 | 0.74 | AML | other | m | 2017-04-05T15:46:55.77 |
IV.TERO.HHN. | ML:1.8 | 0.000244 | 0.74 | AML | other | m | 2017-04-05T15:46:55.40 |
IV.TERO.HNE. | ML:1.9 | 0.000308 | 0.92 | AML | other | m | 2017-04-05T15:46:50.41 |
IV.TERO.HHE. | ML:1.9 | 0.00032099999999999994 | 0.88 | AML | other | m | 2017-04-05T15:46:50.40 |