A magnitude ML 0.5 earthquake occured in region: 7 km W Arquata del Tronto (AP), on
and geographic coordinates (lat, lon) 42.7570, 13.2140 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 | 7 | 1178 | 1178 |
Accumoli | RI | 7 | 667 | 1845 |
Norcia | PG | 11 | 4957 | 6802 |
Montegallo | AP | 14 | 523 | 7325 |
Amatrice | RI | 15 | 2657 | 9982 |
Cittareale | RI | 16 | 482 | 10464 |
Acquasanta Terme | AP | 16 | 2916 | 13380 |
Castelsantangelo sul Nera | MC | 16 | 281 | 13661 |
Cascia | PG | 17 | 3217 | 16878 |
Montemonaco | AP | 19 | 604 | 17482 |
Preci | PG | 20 | 724 | 18206 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.5 | 2020-08-27 04:07:57 |
42.7567 | 13.2142 | 11 | 2020-08-27 05:11:08 |
Sala Sismica INGV-Roma | 82363041 |
Field | Value |
---|---|
Time (UTC) | 2020-08-27 04:07:57 ± 0.13 |
Latitude | 42.7567 ± 0.0063 |
Longitude | 13.2142 ± 0.0159 |
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 | 82363041 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1388 |
Semi-minor axis of confidence ellipse (meter) | 246 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 68 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1390.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 163 |
Number of associated phases, regardless of their use for origin computation | 12 |
Number of defining phases | 10 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.34 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.29498 |
Number of stations at which the event was observed | 6 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 0.5 |
Uncertainty | 0.3 |
Num. used stations | 9 |
Type of magnitude | ML |
Reference to an origin | 82363041 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-08-27 05:11:08 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.FDMO.HHZ. | 2020-08-27T04:08:09.15 | 0.1 | undecidable | manual | S | 342 | 32.745 | 50 | 0.01 | 98 |
IV.RM33.EHZ. | 2020-08-27T04:08:07.68 | 0.1 | undecidable | manual | S | 180 | 27.4503 | 50 | -0.06 | 98 |
IV.LNSS.HHZ. | 2020-08-27T04:08:05.99 | 0.1 | undecidable | manual | S | 220 | 22.1556 | 50 | -0.34 | 93 |
IV.FDMO.HHZ. | 2020-08-27T04:08:04.24 | 0.1 | undecidable | manual | P | 342 | 32.745 | 50 | -0.13 | 96 |
IV.SMA1.EHZ. | 2020-08-27T04:08:04.76 | 0.1 | undecidable | manual | S | 145 | 17.1717 | 122 | -0.08 | 99 |
IV.RM33.EHZ. | 2020-08-27T04:08:03.47 | 0.1 | undecidable | manual | P | 180 | 27.4503 | 50 | -0.09 | 97 |
IV.NRCA.HHZ. | 2020-08-27T04:08:03.22 | 0.1 | undecidable | manual | S | 316 | 11.7771 | 132 | -0.14 | 99 |
IV.T1299.EHZ. | 2020-08-27T04:08:03.19 | 3.0 | undecidable | manual | S | 0 | ||||
IV.LNSS.HHZ. | 2020-08-27T04:08:03.57 | 0.1 | undecidable | manual | P | 220 | 22.1556 | 50 | 0.82 | 79 |
IV.SMA1.EHZ. | 2020-08-27T04:08:01.94 | 0.1 | undecidable | manual | P | 145 | 17.1717 | 122 | 0.05 | 100 |
IV.NRCA.HHZ. | 2020-08-27T04:08:01.13 | 0.1 | undecidable | manual | P | 316 | 11.7771 | 132 | 0.1 | 100 |
IV.T1299.EHZ. | 2020-08-27T04:07:59.85 | 3.0 | undecidable | manual | P | 0 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHE. | ML:1.0 | 0.00011549999999999999 | 0.3 | AML | other | m | 2020-08-27T04:08:03.35 |
IV.NRCA.HHN. | ML:0.8 | 0.0000737 | 0.16 | AML | other | m | 2020-08-27T04:08:03.89 |
IV.SMA1.EHE. | ML:0.6 | 0.0000316 | 1.8 | AML | other | m | 2020-08-27T04:08:05.05 |
IV.SMA1.EHN. | ML:0.6 | 0.0000291 | 1.42 | AML | other | m | 2020-08-27T04:08:05.19 |
IV.NRCA.HNE. | ML:1.0 | 0.00011408715 | 0.2912 | AML | other | m | 2020-08-27T04:08:03.50 |
IV.RM33.EHE. | ML:0.3 | 0.0000112330425 | 0.2016 | AML | other | m | 2020-08-27T04:08:08.13 |
IV.RM33.EHN. | ML:0.4 | 0.000017213665 | 0.16 | AML | other | m | 2020-08-27T04:08:07.77 |
IV.FDMO.HHE. | ML:0.1 | 0.0000061062185 | 0.1184 | AML | other | m | 2020-08-27T04:08:09.26 |
IV.FDMO.HHN. | ML:0.1 | 0.0000057790515 | 0.1184 | AML | other | m | 2020-08-27T04:08:09.39 |