A magnitude ML 0.7 earthquake occured in region: 6 km NW Arquata del Tronto (AP), on
and geographic coordinates (lat, lon) 42.8060, 13.2400 at 13 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 | 9 | 523 | 1701 |
Norcia | PG | 12 | 4957 | 6658 |
Castelsantangelo sul Nera | MC | 12 | 281 | 6939 |
Accumoli | RI | 12 | 667 | 7606 |
Montemonaco | AP | 13 | 604 | 8210 |
Acquasanta Terme | AP | 14 | 2916 | 11126 |
Montefortino | FM | 17 | 1178 | 12304 |
Ussita | MC | 18 | 444 | 12748 |
Preci | PG | 18 | 724 | 13472 |
Visso | MC | 19 | 1107 | 14579 |
Amatrice | RI | 20 | 2657 | 17236 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.7 | 2020-08-12 21:59:29 |
42.8063 | 13.2402 | 13 | 2020-08-12 22:09:35 |
Sala Sismica INGV-Roma | 81919981 |
Field | Value |
---|---|
Time (UTC) | 2020-08-12 21:59:29 ± 0.07 |
Latitude | 42.8063 ± 0.0027 |
Longitude | 13.2402 ± 0.0061 |
Depth (km) | 13 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 81919981 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 456 |
Semi-minor axis of confidence ellipse (meter) | 148 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 74 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 460.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 102 |
Number of associated phases, regardless of their use for origin computation | 15 |
Number of defining phases | 14 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.12 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.32376 |
Number of stations at which the event was observed | 8 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 0.7 |
Uncertainty | 0.2 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 81919981 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-08-12 22:09:35 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.TERO.HHZ. | 2020-08-12T21:59:41.60 | 0.3 | undecidable | manual | S | 124 | 35.9418 | 95 | 0.01 | 76 |
IV.RM33.EHZ. | 2020-08-12T21:59:41.01 | 0.6 | undecidable | manual | S | 184 | 33.0447 | 96 | 0.19 | 50 |
IV.CSP1.EHZ. | 2020-08-12T21:59:40.69 | 0.6 | undecidable | manual | S | 355 | 31.8459 | 96 | 0.2 | 49 |
IV.SMA1.EHZ. | 2020-08-12T21:59:37.38 | 0.6 | undecidable | manual | S | 158 | 20.9679 | 103 | -0.25 | 49 |
IV.TERO.HHZ. | 2020-08-12T21:59:36.52 | 0.6 | undecidable | manual | P | 124 | 35.9418 | 95 | 0.03 | 51 |
IV.RM33.EHZ. | 2020-08-12T21:59:36.07 | 1.0 | positive | manual | P | 184 | 33.0447 | 96 | 0.03 | 25 |
IV.MMO1.EHZ. | 2020-08-12T21:59:35.46 | 0.6 | undecidable | manual | S | 34 | 12.4764 | 123 | -0.07 | 52 |
IV.CSP1.EHZ. | 2020-08-12T21:59:35.76 | 0.1 | undecidable | manual | P | 355 | 31.8459 | 96 | -0.09 | 100 |
IV.MC2.EHZ. | 2020-08-12T21:59:35.68 | 0.6 | undecidable | manual | S | 340 | 12.3765 | 123 | 0.17 | 52 |
IV.MF5.EHZ. | 2020-08-12T21:59:35.56 | 3.0 | undecidable | manual | P | 0.32 | 0 | |||
IV.NRCA.HHZ. | 2020-08-12T21:59:34.81 | 0.6 | undecidable | manual | S | 286 | 10.6782 | 129 | -0.33 | 49 |
IV.SMA1.EHZ. | 2020-08-12T21:59:34.28 | 0.6 | undecidable | manual | P | 158 | 20.9679 | 103 | 0.08 | 52 |
IV.MC2.EHZ. | 2020-08-12T21:59:33.12 | 0.6 | positive | manual | P | 340 | 12.3765 | 123 | 0.14 | 52 |
IV.MMO1.EHZ. | 2020-08-12T21:59:33.05 | 0.6 | undecidable | manual | P | 34 | 12.4764 | 123 | 0.06 | 53 |
IV.NRCA.HHZ. | 2020-08-12T21:59:32.75 | 0.3 | undecidable | manual | P | 286 | 10.6782 | 129 | -0.01 | 78 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.0 | 0.00011 | 1.84 | AML | other | m | 2020-08-12T21:59:34.97 |
IV.NRCA.HHE. | ML:0.9 | 0.00008955 | 0.16 | AML | other | m | 2020-08-12T21:59:34.99 |
IV.SMA1.EHN. | ML:0.5 | 0.000021949999999999998 | 0.22 | AML | other | m | 2020-08-12T21:59:37.69 |
IV.SMA1.EHE. | ML:0.6 | 0.00002505 | 0.92 | AML | other | m | 2020-08-12T21:59:38.70 |
IV.RM33.EHN. | ML:0.6 | 0.000017099999999999996 | 0.24 | AML | other | m | 2020-08-12T21:59:41.13 |
IV.RM33.EHE. | ML:0.6 | 0.000014499999999999998 | 0.24 | AML | other | m | 2020-08-12T21:59:41.40 |