A magnitude ML 0.4 earthquake occured in region: 4 km W Arquata del Tronto (AP), on
and geographic coordinates (lat, lon) 42.7690, 13.2460 at 12 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 |
Accumoli | RI | 8 | 667 | 1845 |
Montegallo | AP | 11 | 523 | 2368 |
Norcia | PG | 13 | 4957 | 7325 |
Acquasanta Terme | AP | 13 | 2916 | 10241 |
Amatrice | RI | 16 | 2657 | 12898 |
Castelsantangelo sul Nera | MC | 16 | 281 | 13179 |
Montemonaco | AP | 16 | 604 | 13783 |
Cittareale | RI | 18 | 482 | 14265 |
Cascia | PG | 20 | 3217 | 17482 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.4 | 2020-03-21 06:02:30 |
42.7687 | 13.2463 | 12 | 2020-03-21 06:09:50 |
Sala Sismica INGV-Roma | 77429531 |
Field | Value |
---|---|
Time (UTC) | 2020-03-21 06:02:30 ± 0.07 |
Latitude | 42.7687 ± 0.0027 |
Longitude | 13.2463 ± 0.0049 |
Depth (km) | 12 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 77429531 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 406 |
Semi-minor axis of confidence ellipse (meter) | 181 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 88 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 410.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 82 |
Number of associated phases, regardless of their use for origin computation | 24 |
Number of defining phases | 22 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.21 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.32466 |
Number of stations at which the event was observed | 13 |
Number of stations from which data was used for origin computation | 11 |
Field | Value |
---|---|
Value | 0.4 |
Uncertainty | 0.2 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 77429531 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-03-21 06:09:50 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.RMP.HHZ. | 2020-03-21T06:03:03.87 | 3.0 | undecidable | manual | S | -0.33 | 0 | |||
IV.FOSV.EHZ. | 2020-03-21T06:02:44.37 | 3.0 | undecidable | manual | P | 0.79 | 0 | |||
IV.CSP1.EHZ. | 2020-03-21T06:02:42.42 | 0.3 | undecidable | manual | S | 355 | 36.0417 | 92 | -0.14 | 70 |
IV.FDMO.HHZ. | 2020-03-21T06:02:41.27 | 0.3 | undecidable | manual | S | 337 | 32.4453 | 93 | -0.33 | 67 |
IV.TERO.HHZ. | 2020-03-21T06:02:41.50 | 0.3 | undecidable | manual | S | 119 | 33.3444 | 93 | -0.35 | 68 |
IV.MF5.EHZ. | 2020-03-21T06:02:41.57 | 0.6 | undecidable | manual | S | 35 | 29.8479 | 93 | 0.65 | 41 |
IV.RM33.EHZ. | 2020-03-21T06:02:40.38 | 0.6 | undecidable | manual | S | 185 | 28.9488 | 93 | -0.29 | 46 |
IV.LNSS.HNE. | 2020-03-21T06:02:39.57 | 0.3 | undecidable | manual | S | 222 | 24.9528 | 95 | -0.04 | 74 |
IV.MMO1.EHE. | 2020-03-21T06:02:37.26 | 0.6 | undecidable | manual | S | 24 | 15.873 | 105 | 0.03 | 50 |
IV.CSP1.EHZ. | 2020-03-21T06:02:37.24 | 0.3 | undecidable | manual | P | 355 | 36.0417 | 92 | -0.22 | 69 |
IV.MC2.EHZ. | 2020-03-21T06:02:37.52 | 0.3 | undecidable | manual | S | 344 | 16.4724 | 103 | 0.14 | 73 |
IV.SMA1.EHZ. | 2020-03-21T06:02:37.50 | 0.3 | undecidable | manual | S | 155 | 16.9719 | 102 | 0 | 74 |
IV.TERO.HHZ. | 2020-03-21T06:02:36.80 | 0.1 | undecidable | manual | P | 119 | 33.3444 | 93 | -0.25 | 93 |
IV.MF5.EHZ. | 2020-03-21T06:02:36.79 | 0.3 | undecidable | manual | P | 35 | 29.8479 | 93 | 0.28 | 69 |
IV.NRCA.HHZ. | 2020-03-21T06:02:36.42 | 0.3 | undecidable | manual | S | 304 | 12.9759 | 115 | -0.06 | 73 |
IV.RM33.EHZ. | 2020-03-21T06:02:36.86 | 0.1 | undecidable | manual | P | 185 | 28.9488 | 93 | 0.49 | 87 |
IV.FDMO.HHZ. | 2020-03-21T06:02:36.65 | 0.3 | undecidable | manual | P | 337 | 32.4453 | 93 | -0.25 | 69 |
IV.MTRA.EHE. | 2020-03-21T06:02:36.32 | 0.3 | undecidable | manual | S | 96 | 12.2766 | 117 | -0.01 | 75 |
IV.LNSS.HNE. | 2020-03-21T06:02:35.71 | 0.3 | undecidable | manual | P | 222 | 24.9528 | 95 | -0.04 | 73 |
IV.MC2.EHZ. | 2020-03-21T06:02:34.57 | 0.1 | undecidable | manual | P | 344 | 16.4724 | 103 | 0.1 | 98 |
IV.SMA1.EHZ. | 2020-03-21T06:02:34.61 | 0.1 | undecidable | manual | P | 155 | 16.9719 | 102 | 0.07 | 97 |
IV.MMO1.EHE. | 2020-03-21T06:02:34.40 | 0.1 | undecidable | manual | P | 24 | 15.873 | 105 | 0.02 | 100 |
IV.MTRA.EHE. | 2020-03-21T06:02:33.94 | 0.3 | undecidable | manual | P | 96 | 12.2766 | 117 | 0.08 | 74 |
IV.NRCA.HHZ. | 2020-03-21T06:02:33.98 | 0.1 | undecidable | manual | P | 304 | 12.9759 | 115 | 0.03 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.SMA1.EHE. | ML:0.3 | 0.000013983265 | 0.0992 | AML | other | m | 2020-03-21T06:02:38.26 |
IV.SMA1.EHN. | ML:0.1 | 0.000012282939999999998 | 0.1408 | AML | other | m | 2020-03-21T06:02:37.68 |
IV.FDMO.HHE. | ML:0.4 | 0.000011425444999999999 | 0.1184 | AML | other | m | 2020-03-21T06:02:41.87 |
IV.FDMO.HHN. | ML:0.5 | 0.000014912629999999999 | 0.2816 | AML | other | m | 2020-03-21T06:02:41.77 |
IV.RM33.EHE. | ML:0.3 | 0.000008439579 | 0.2176 | AML | other | m | 2020-03-21T06:02:40.88 |
IV.RM33.EHN. | ML:0.5 | 0.000015311660000000002 | 0.2016 | AML | other | m | 2020-03-21T06:02:40.86 |