A magnitude ML 1.3 earthquake occured in region: 4 km NW Arquata del Tronto (AP), on
and geographic coordinates (lat, lon) 42.8030, 13.2780 at 1 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 | 4 | 1178 | 1178 |
Montegallo | AP | 6 | 523 | 1701 |
Acquasanta Terme | AP | 11 | 2916 | 4617 |
Montemonaco | AP | 12 | 604 | 5221 |
Accumoli | RI | 12 | 667 | 5888 |
Castelsantangelo sul Nera | MC | 14 | 281 | 6169 |
Norcia | PG | 15 | 4957 | 11126 |
Montefortino | FM | 17 | 1178 | 12304 |
Roccafluvione | AP | 18 | 2010 | 14314 |
Palmiano | AP | 18 | 196 | 14510 |
Amatrice | RI | 19 | 2657 | 17167 |
Ussita | MC | 19 | 444 | 17611 |
Valle Castellana | TE | 20 | 977 | 18588 |
Venarotta | AP | 20 | 2066 | 20654 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.3 | 2016-10-20 23:05:57 |
42.8028 | 13.2778 | 1 | 2016-10-20 23:16:03 |
Sala Sismica INGV-Roma | 30408641 |
Field | Value |
---|---|
Time (UTC) | 2016-10-20 23:05:57 ± 0.34 |
Latitude | 42.8028 ± 0.0153 |
Longitude | 13.2778 ± 0.0233 |
Depth (km) | 1 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 30408641 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 2150 |
Semi-minor axis of confidence ellipse (meter) | 1439 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 232 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 2150.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 143 |
Number of associated phases, regardless of their use for origin computation | 16 |
Number of defining phases | 7 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.69 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.29947 |
Number of stations at which the event was observed | 11 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 1.3 |
Uncertainty | 0.1 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 30408641 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2016-10-20 23:16:03 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MTTG.HHZ. | 2016-10-20T23:07:02.04 | 3.0 | undecidable | manual | Pn | -3.17 | 0 | |||
IV.MRB1.HHZ. | 2016-10-20T23:07:02.99 | 3.0 | undecidable | manual | Sn | 1.44 | 0 | |||
IV.TRIV.HHZ. | 2016-10-20T23:06:51.99 | 3.0 | undecidable | manual | Sg | 5.84 | 0 | |||
IV.QLNO.HHZ. | 2016-10-20T23:06:35.75 | 3.0 | negative | manual | Pn | 0.65 | 0 | |||
IV.T1202.EHZ. | 2016-10-20T23:06:09.99 | 3.0 | undecidable | manual | S | -2.87 | 0 | |||
IV.TERO.HHZ. | 2016-10-20T23:06:07.04 | 3.0 | undecidable | manual | S | 127 | 33.2445 | 91 | -2.39 | 0 |
IV.T1243.HHZ. | 2016-10-20T23:06:05.06 | 3.0 | undecidable | manual | S | 130 | 18.1707 | 92 | 0.85 | 0 |
IV.TERO.HHZ. | 2016-10-20T23:06:03.85 | 0.1 | undecidable | manual | P | 127 | 33.2445 | 91 | -0.7 | 81 |
IV.SMA1.EHZ. | 2016-10-20T23:06:02.63 | 3.0 | undecidable | manual | S | 166 | 19.6692 | 92 | -2.09 | 0 |
IV.T1243.HHZ. | 2016-10-20T23:06:02.67 | 0.1 | undecidable | manual | P | 130 | 18.1707 | 92 | 1.13 | 68 |
IV.T1245.HHZ. | 2016-10-20T23:06:01.12 | 0.1 | undecidable | manual | S | 309 | 9.4794 | 94 | -0.05 | 100 |
IV.SAMA.HHZ. | 2016-10-20T23:06:01.50 | 3.0 | undecidable | manual | P | -2.07 | 0 | |||
IV.MMO1.EHZ. | 2016-10-20T23:06:01.76 | 0.1 | undecidable | manual | S | 20 | 11.4774 | 93 | -0.1 | 99 |
IV.SMA1.EHZ. | 2016-10-20T23:06:01.26 | 0.6 | positive | manual | P | 166 | 19.6692 | 92 | -0.58 | 43 |
IV.MMO1.EHZ. | 2016-10-20T23:06:00.24 | 0.1 | undecidable | manual | P | 20 | 11.4774 | 93 | 0.06 | 100 |
IV.T1245.HHZ. | 2016-10-20T23:05:59.93 | 0.1 | undecidable | manual | P | 309 | 9.4794 | 94 | 0.14 | 98 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.SMA1.EHE. | ML:1.4 | 0.0002 | 0.34 | AML | other | m | 2016-10-20T23:06:02.72 |
IV.SMA1.EHN. | ML:1.2 | 0.0001469 | 0.16 | AML | other | m | 2016-10-20T23:06:03.00 |
IV.T1245.HHE. | ML:0.8 | 0.00011099999999999999 | 0.52 | AML | other | m | 2016-10-20T23:06:01.57 |
IV.T1245.HHN. | ML:1.0 | 0.0001805 | 0.38 | AML | other | m | 2016-10-20T23:06:01.52 |