A magnitude ML 0.4 earthquake occured in region: 5 km W Arquata del Tronto (AP), on
and geographic coordinates (lat, lon) 42.7810, 13.2400 at 11 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 |
---|---|---|---|---|
Arquata del Tronto | AP | 5 | 1178 | 1178 |
Accumoli | RI | 10 | 667 | 1845 |
Montegallo | AP | 10 | 523 | 2368 |
Norcia | PG | 12 | 4957 | 7325 |
Acquasanta Terme | AP | 14 | 2916 | 10241 |
Castelsantangelo sul Nera | MC | 15 | 281 | 10522 |
Montemonaco | AP | 15 | 604 | 11126 |
Amatrice | RI | 17 | 2657 | 13783 |
Cittareale | RI | 19 | 482 | 14265 |
Cascia | PG | 20 | 3217 | 17482 |
Preci | PG | 20 | 724 | 18206 |
Montefortino | FM | 20 | 1178 | 19384 |
Ussita | MC | 20 | 444 | 19828 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.4 | 2017-04-08 07:12:38 |
42.7812 | 13.2405 | 11 | 2017-04-08 07:49:17 |
Sala Sismica INGV-Roma | 43549291 |
Field | Value |
---|---|
Time (UTC) | 2017-04-08 07:12:38 ± 0.04 |
Latitude | 42.7812 ± 0.0027 |
Longitude | 13.2405 ± 0.0025 |
Depth (km) | 11 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 43549291 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 280 |
Semi-minor axis of confidence ellipse (meter) | 30 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 175 |
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) | 59 |
Number of associated phases, regardless of their use for origin computation | 27 |
Number of defining phases | 26 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.18 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.31027 |
Number of stations at which the event was observed | 14 |
Number of stations from which data was used for origin computation | 13 |
Field | Value |
---|---|
Value | 0.4 |
Uncertainty | 0.1 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 43549291 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2017-04-08 07:49:17 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.TERO.HHZ. | 2017-04-08T07:12:49.80 | 0.3 | undecidable | manual | S | 121 | 34.4433 | 50 | -0.41 | 67 |
IV.LNSS.HHE. | 2017-04-08T07:12:48.22 | 0.6 | undecidable | manual | S | 220 | 25.6521 | 50 | 0.36 | 45 |
IV.T1217.EHZ. | 2017-04-08T07:12:47.81 | 0.1 | undecidable | manual | S | 253 | 26.3514 | 50 | -0.24 | 94 |
IV.MC2.EHE. | 2017-04-08T07:12:45.02 | 0.6 | undecidable | manual | S | 344 | 15.0738 | 126 | 0.04 | 49 |
IV.T1212.EHZ. | 2017-04-08T07:12:45.10 | 0.1 | undecidable | manual | S | 258 | 16.2726 | 124 | -0.23 | 95 |
IV.TERO.HHZ. | 2017-04-08T07:12:45.09 | 0.6 | positive | manual | P | 121 | 34.4433 | 50 | -0.18 | 46 |
IV.T1218.EHN. | 2017-04-08T07:12:45.36 | 0.1 | undecidable | manual | S | 220 | 15.9729 | 124 | 0.11 | 97 |
IV.T1299.EHZ. | 2017-04-08T07:12:45.39 | 0.3 | undecidable | manual | S | 168 | 16.6722 | 123 | -0.04 | 74 |
IV.SMA1.EHN. | 2017-04-08T07:12:45.84 | 0.1 | undecidable | manual | S | 155 | 18.3705 | 50 | -0.09 | 98 |
IV.T1241.EHZ. | 2017-04-08T07:12:45.57 | 0.1 | undecidable | manual | S | 62 | 17.5713 | 122 | -0.15 | 97 |
IV.MMO1.EHZ. | 2017-04-08T07:12:44.95 | 0.1 | undecidable | manual | S | 28 | 14.874 | 126 | 0.02 | 99 |
IV.LNSS.HHE. | 2017-04-08T07:12:44.01 | 0.1 | undecidable | manual | P | 220 | 25.6521 | 50 | 0.09 | 95 |
IV.T1217.EHZ. | 2017-04-08T07:12:43.83 | 0.6 | negative | manual | P | 253 | 26.3514 | 50 | -0.19 | 47 |
IV.SMA1.EHN. | 2017-04-08T07:12:43.00 | 0.1 | undecidable | manual | P | 155 | 18.3705 | 50 | 0.2 | 95 |
IV.T1245.HHZ. | 2017-04-08T07:12:43.60 | 0.1 | undecidable | manual | S | 333 | 9.3795 | 139 | 0.07 | 100 |
IV.NRCA.HNE. | 2017-04-08T07:12:43.88 | 0.1 | undecidable | manual | S | 300 | 11.7771 | 133 | -0.23 | 95 |
IV.T1241.EHZ. | 2017-04-08T07:12:42.67 | 0.1 | undecidable | manual | P | 62 | 17.5713 | 122 | -0.01 | 99 |
IV.MMO1.EHZ. | 2017-04-08T07:12:42.30 | 0.1 | undecidable | manual | P | 28 | 14.874 | 126 | 0.08 | 98 |
IV.T1216.EHZ. | 2017-04-08T07:12:42.77 | 3.0 | negative | manual | P | -0.11 | 0 | |||
IV.T1214.HNN. | 2017-04-08T07:12:42.36 | 0.3 | undecidable | manual | S | 227 | 3.4965 | 162 | -0.15 | 72 |
IV.MC2.EHE. | 2017-04-08T07:12:42.52 | 0.1 | undecidable | manual | P | 344 | 15.0738 | 126 | 0.27 | 94 |
IV.T1212.EHZ. | 2017-04-08T07:12:42.42 | 0.1 | undecidable | manual | P | 258 | 16.2726 | 124 | -0.04 | 99 |
IV.T1218.EHN. | 2017-04-08T07:12:42.40 | 0.1 | undecidable | manual | P | 220 | 15.9729 | 124 | -0.01 | 99 |
IV.T1299.EHZ. | 2017-04-08T07:12:42.74 | 1.0 | undecidable | manual | P | 168 | 16.6722 | 123 | 0.22 | 24 |
IV.T1245.HHZ. | 2017-04-08T07:12:41.68 | 1.0 | undecidable | manual | P | 333 | 9.3795 | 139 | 0.26 | 24 |
IV.NRCA.HNE. | 2017-04-08T07:12:41.81 | 0.1 | undecidable | manual | P | 300 | 11.7771 | 133 | 0.06 | 99 |
IV.T1214.HNN. | 2017-04-08T07:12:41.18 | 0.1 | undecidable | manual | P | 227 | 3.4965 | 162 | 0.35 | 95 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.T1241.EHE. | ML:0.4 | 0.000021822905 | 1.7408 | AML | other | m | 2017-04-08T07:12:45.64 |
IV.T1241.EHN. | ML:0.4 | 0.000018896259999999998 | 0.9408 | AML | other | m | 2017-04-08T07:12:45.64 |
IV.T1245.HHN. | ML:0.5 | 0.000039750000000000004 | 0.84 | AML | other | m | 2017-04-08T07:12:44.85 |
IV.T1245.HHE. | ML:0.4 | 0.000034049999999999994 | 1.5 | AML | other | m | 2017-04-08T07:12:47.22 |
IV.T1299.EHN. | ML:0.4 | 0.000020291024999999998 | 0.0992 | AML | other | m | 2017-04-08T07:12:45.77 |
IV.TERO.HHN. | ML:0.6 | 0.00001367859 | 1.3184 | AML | other | m | 2017-04-08T07:12:49.80 |
IV.TERO.HHE. | ML:0.4 | 0.000012382819999999999 | 2.4992 | AML | other | m | 2017-04-08T07:12:49.41 |