A magnitude ML 0.4 earthquake occured in region: 6 km W Arquata del Tronto (AP), on
and geographic coordinates (lat, lon) 42.7930, 13.2260 at 0 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 | 6 | 1178 | 1178 |
Montegallo | AP | 10 | 523 | 1701 |
Norcia | PG | 11 | 4957 | 6658 |
Accumoli | RI | 11 | 667 | 7325 |
Castelsantangelo sul Nera | MC | 13 | 281 | 7606 |
Montemonaco | AP | 15 | 604 | 8210 |
Acquasanta Terme | AP | 15 | 2916 | 11126 |
Preci | PG | 18 | 724 | 11850 |
Ussita | MC | 18 | 444 | 12294 |
Amatrice | RI | 19 | 2657 | 14951 |
Visso | MC | 19 | 1107 | 16058 |
Montefortino | FM | 19 | 1178 | 17236 |
Cascia | PG | 19 | 3217 | 20453 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.4 | 2017-05-16 16:10:08 |
42.793 | 13.2262 | 0 | 2017-05-16 16:23:33 |
Sala Sismica INGV-Roma | 45393351 |
Field | Value |
---|---|
Time (UTC) | 2017-05-16 16:10:08 ± 0.15 |
Latitude | 42.7930 ± 0.0054 |
Longitude | 13.2262 ± 0.0233 |
Depth (km) | 0 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 45393351 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1960 |
Semi-minor axis of confidence ellipse (meter) | 490 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 81 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1960.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 168 |
Number of associated phases, regardless of their use for origin computation | 11 |
Number of defining phases | 9 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.25 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.30847 |
Number of stations at which the event was observed | 9 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 0.4 |
Uncertainty | 0.0 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 45393351 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2017-05-16 16:23:33 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ARVD.HHZ. | 2017-05-16T16:10:34.72 | 3.0 | undecidable | manual | S | 0.1 | 0 | |||
IV.PP3.EHZ. | 2017-05-16T16:10:20.16 | 3.0 | negative | manual | P | -0.46 | 0 | |||
IV.CSP1.EHZ. | 2017-05-16T16:10:16.35 | 1.0 | undecidable | manual | P | 357 | 33.2445 | 91 | 0.84 | 19 |
IV.T1219.EHZ. | 2017-05-16T16:10:15.97 | 0.1 | undecidable | manual | P | 328 | 34.2435 | 91 | 0.25 | 93 |
IV.FDMO.HHZ. | 2017-05-16T16:10:14.74 | 0.1 | undecidable | manual | P | 337 | 29.2485 | 91 | 0.02 | 99 |
IV.MC2.EHZ. | 2017-05-16T16:10:13.69 | 0.3 | undecidable | manual | S | 347 | 13.4754 | 91 | 0.16 | 74 |
IV.T1299.EHZ. | 2017-05-16T16:10:12.44 | 0.1 | undecidable | manual | P | 165 | 18.1707 | 91 | -0.06 | 100 |
IV.T1218.EHZ. | 2017-05-16T16:10:12.19 | 0.1 | undecidable | manual | P | 214 | 16.3725 | 91 | 0.06 | 100 |
IV.T1245.HHZ. | 2017-05-16T16:10:11.34 | 0.3 | undecidable | manual | S | 336 | 7.6812 | 92 | -0.19 | 74 |
IV.MC2.EHZ. | 2017-05-16T16:10:11.41 | 0.1 | undecidable | manual | P | 347 | 13.4754 | 91 | -0.15 | 99 |
IV.T1245.HHZ. | 2017-05-16T16:10:10.17 | 0.1 | undecidable | manual | P | 336 | 7.6812 | 92 | -0.23 | 98 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.T1241.EHE. | ML:0.4 | 0.000025385415 | 1.088 | AML | other | m | 2017-05-16T16:10:13.73 |
IV.T1245.HHN. | ML:0.0 | 0.0002639795 | 0.32 | AML | other | m | 2017-05-16T16:10:11.60 |