A magnitude ML 0.7 earthquake occured in region: 3 km W Arquata del Tronto (AP), on
and geographic coordinates (lat, lon) 42.7840, 13.2580 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 | 3 | 1178 | 1178 |
Montegallo | AP | 9 | 523 | 1701 |
Accumoli | RI | 10 | 667 | 2368 |
Acquasanta Terme | AP | 13 | 2916 | 5284 |
Norcia | PG | 13 | 4957 | 10241 |
Montemonaco | AP | 14 | 604 | 10845 |
Castelsantangelo sul Nera | MC | 15 | 281 | 11126 |
Amatrice | RI | 17 | 2657 | 13783 |
Montefortino | FM | 19 | 1178 | 14961 |
Roccafluvione | AP | 20 | 2010 | 16971 |
Cittareale | RI | 20 | 482 | 17453 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.7 | 2020-12-23 00:19:28 |
42.7837 | 13.2578 | 11 | 2020-12-23 00:28:36 |
Sala Sismica INGV-Roma | 85637881 |
Field | Value |
---|---|
Time (UTC) | 2020-12-23 00:19:28 ± 0.07 |
Latitude | 42.7837 ± 0.0027 |
Longitude | 13.2578 ± 0.0074 |
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 | 85637881 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 553 |
Semi-minor axis of confidence ellipse (meter) | 149 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 79 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 550.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 136 |
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) | 0.16 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.28149 |
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 | 85637881 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-12-23 00:28:36 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.FDMO.HHZ. | 2020-12-23T00:19:39.07 | 0.6 | undecidable | manual | S | 334 | 31.2465 | 50 | 0.01 | 50 |
IV.LNSS.HHZ. | 2020-12-23T00:19:37.85 | 0.3 | undecidable | manual | S | 222 | 26.751 | 50 | 0 | 75 |
IV.MC2.EHZ. | 2020-12-23T00:19:35.00 | 0.6 | undecidable | manual | S | 338 | 15.2736 | 125 | 0.34 | 48 |
IV.T1299.HNZ. | 2020-12-23T00:19:35.35 | 0.3 | undecidable | manual | S | 173 | 16.6722 | 123 | 0.27 | 73 |
IV.SMA1.EHZ. | 2020-12-23T00:19:35.23 | 0.3 | undecidable | manual | S | 160 | 18.1707 | 121 | -0.27 | 72 |
IV.MMO1.EHZ. | 2020-12-23T00:19:34.22 | 0.3 | undecidable | manual | S | 24 | 13.9749 | 128 | -0.1 | 76 |
IV.TERO.HHZ. | 2020-12-23T00:19:34.78 | 3.0 | negative | manual | P | 0 | 0 | |||
IV.FDMO.HHZ. | 2020-12-23T00:19:34.28 | 0.6 | undecidable | manual | P | 334 | 31.2465 | 50 | -0.18 | 48 |
IV.NRCA.HHZ. | 2020-12-23T00:19:33.77 | 0.3 | undecidable | manual | S | 295 | 12.876 | 130 | -0.26 | 73 |
IV.LNSS.HHZ. | 2020-12-23T00:19:33.85 | 0.6 | undecidable | manual | P | 222 | 26.751 | 50 | 0.08 | 50 |
IV.T1299.HNZ. | 2020-12-23T00:19:32.34 | 0.3 | undecidable | manual | P | 173 | 16.6722 | 123 | 0.17 | 74 |
IV.SMA1.EHZ. | 2020-12-23T00:19:32.30 | 0.1 | undecidable | manual | P | 160 | 18.1707 | 121 | -0.11 | 100 |
IV.MC2.EHZ. | 2020-12-23T00:19:32.04 | 0.6 | negative | manual | P | 338 | 15.2736 | 125 | 0.12 | 50 |
IV.NRCA.HHZ. | 2020-12-23T00:19:31.59 | 0.3 | undecidable | manual | P | 295 | 12.876 | 130 | 0.03 | 77 |
IV.MMO1.EHZ. | 2020-12-23T00:19:31.79 | 0.3 | undecidable | manual | P | 24 | 13.9749 | 128 | 0.06 | 76 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:0.9 | 0.00007815 | 0.18 | AML | other | m | 2020-12-23T00:19:33.91 |
IV.NRCA.HHE. | ML:0.7 | 0.00005195 | 0.08 | AML | other | m | 2020-12-23T00:19:33.95 |
IV.TERO.HHN. | ML:0.6 | 0.000012699999999999999 | 0.06 | AML | other | m | 2020-12-23T00:19:39.90 |
IV.TERO.HHE. | ML:0.6 | 0.00001365 | 0.26 | AML | other | m | 2020-12-23T00:19:39.93 |
IV.NRCA.HNE. | ML:0.8 | 0.00006944121 | 0.37 | AML | other | m | 2020-12-23T00:19:34.22 |
IV.NRCA.HNN. | ML:1.0 | 0.00009629458 | 0.69 | AML | other | m | 2020-12-23T00:19:33.95 |