A magnitude ML 0.9 earthquake occured in region: 8 km NW Arquata del Tronto (AP), on
and geographic coordinates (lat, lon) 42.8220, 13.2300 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 | 8 | 1178 | 1178 |
Montegallo | AP | 9 | 523 | 1701 |
Castelsantangelo sul Nera | MC | 10 | 281 | 1982 |
Norcia | PG | 12 | 4957 | 6939 |
Montemonaco | AP | 12 | 604 | 7543 |
Accumoli | RI | 14 | 667 | 8210 |
Ussita | MC | 16 | 444 | 8654 |
Acquasanta Terme | AP | 16 | 2916 | 11570 |
Montefortino | FM | 16 | 1178 | 12748 |
Visso | MC | 17 | 1107 | 13855 |
Preci | PG | 17 | 724 | 14579 |
Bolognola | MC | 19 | 142 | 14721 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.9 | 2020-07-19 07:23:46 |
42.8225 | 13.2298 | 11 | 2020-07-19 07:29:17 |
Sala Sismica INGV-Roma | 81152981 |
Field | Value |
---|---|
Time (UTC) | 2020-07-19 07:23:46 ± 0.07 |
Latitude | 42.8225 ± 0.0036 |
Longitude | 13.2298 ± 0.0049 |
Depth (km) | 11 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 81152981 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 456 |
Semi-minor axis of confidence ellipse (meter) | 402 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 230 |
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) | 151 |
Number of associated phases, regardless of their use for origin computation | 13 |
Number of defining phases | 10 |
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) | 0.33904 |
Number of stations at which the event was observed | 8 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.0 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 81152981 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-07-19 07:29:17 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.TERO.HHZ. | 2020-07-19T07:23:59.32 | 0.6 | undecidable | manual | S | 126 | 37.629 | 50 | -0.06 | 48 |
IV.MURB.HHZ. | 2020-07-19T07:23:57.86 | 3.0 | undecidable | manual | Sn | 0.22 | 0 | |||
IV.CSP1.EHZ. | 2020-07-19T07:23:57.38 | 0.3 | undecidable | manual | S | 356 | 29.9478 | 50 | 0.07 | 72 |
IV.TERO.HHZ. | 2020-07-19T07:23:54.28 | 1.0 | undecidable | manual | P | 126 | 37.629 | 50 | 0.23 | 23 |
IV.APEC.HHZ. | 2020-07-19T07:23:53.43 | 3.0 | negative | manual | P | -0.42 | 0 | |||
IV.CSP1.EHZ. | 2020-07-19T07:23:52.71 | 0.1 | undecidable | manual | P | 356 | 29.9478 | 50 | -0.14 | 95 |
IV.MC2.EHZ. | 2020-07-19T07:23:52.01 | 0.6 | undecidable | manual | S | 341 | 10.3785 | 136 | 0.09 | 50 |
IV.MMO1.EHZ. | 2020-07-19T07:23:52.05 | 0.6 | undecidable | manual | S | 43 | 11.5773 | 132 | -0.17 | 49 |
IV.NRCA.HHZ. | 2020-07-19T07:23:51.50 | 0.6 | undecidable | manual | S | 277 | 9.4794 | 138 | -0.2 | 49 |
IV.ARVD.HHZ. | 2020-07-19T07:23:51.08 | 3.0 | positive | manual | P | 0.36 | 0 | |||
IV.MC2.EHZ. | 2020-07-19T07:23:49.97 | 1.0 | undecidable | manual | P | 341 | 10.3785 | 136 | 0.23 | 24 |
IV.MMO1.EHZ. | 2020-07-19T07:23:49.97 | 0.1 | undecidable | manual | P | 43 | 11.5773 | 132 | 0.06 | 100 |
IV.NRCA.HHZ. | 2020-07-19T07:23:49.68 | 0.1 | negative | manual | P | 277 | 9.4794 | 138 | 0.07 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHE. | ML:0.9 | 0.0001095 | 0.16 | AML | other | m | 2020-07-19T07:23:51.62 |
IV.NRCA.HHN. | ML:0.9 | 0.00010605 | 0.86 | AML | other | m | 2020-07-19T07:23:51.64 |