A magnitude ML 0.5 earthquake occured in region: 3 km W Arquata del Tronto (AP), on
and geographic coordinates (lat, lon) 42.7710, 13.2570 at 10 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 |
Accumoli | RI | 8 | 667 | 1845 |
Montegallo | AP | 10 | 523 | 2368 |
Acquasanta Terme | AP | 13 | 2916 | 5284 |
Norcia | PG | 14 | 4957 | 10241 |
Montemonaco | AP | 16 | 604 | 10845 |
Amatrice | RI | 16 | 2657 | 13502 |
Castelsantangelo sul Nera | MC | 16 | 281 | 13783 |
Cittareale | RI | 19 | 482 | 14265 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.5 | 2019-04-09 04:25:29 |
42.7713 | 13.257 | 10 | 2019-04-09 04:38:25 |
Sala Sismica INGV-Roma | 67396971 |
Field | Value |
---|---|
Time (UTC) | 2019-04-09 04:25:29 ± 0.09 |
Latitude | 42.7713 ± 0.0045 |
Longitude | 13.2570 ± 0.0061 |
Depth (km) | 10 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 67396971 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 420 |
Semi-minor axis of confidence ellipse (meter) | 390 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 247 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 420.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 78 |
Number of associated phases, regardless of their use for origin computation | 13 |
Number of defining phases | 12 |
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) | 0.29498 |
Number of stations at which the event was observed | 9 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 0.5 |
Uncertainty | 0.1 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 67396971 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2019-04-09 04:38:25 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.GAVE.EHZ. | 2019-04-09T04:25:39.69 | 3.0 | undecidable | manual | P | 0 | ||||
IV.TERO.HHZ. | 2019-04-09T04:25:35.51 | 0.1 | undecidable | manual | P | 120 | 32.745 | 50 | -0.1 | 95 |
IV.MMO1.EHZ. | 2019-04-09T04:25:35.31 | 0.1 | undecidable | manual | S | 22 | 15.2736 | 124 | -0.13 | 97 |
IV.SMA1.EHZ. | 2019-04-09T04:25:35.81 | 0.3 | undecidable | manual | S | 158 | 16.872 | 121 | -0.09 | 73 |
IV.NRCA.HHZ. | 2019-04-09T04:25:34.75 | 0.1 | undecidable | manual | S | 301 | 13.4754 | 127 | -0.18 | 97 |
IV.LNSS.HHZ. | 2019-04-09T04:25:34.46 | 0.3 | undecidable | manual | P | 223 | 25.752 | 50 | -0.07 | 73 |
IV.MTRA.EHZ. | 2019-04-09T04:25:34.36 | 0.1 | undecidable | manual | S | 98 | 11.4774 | 132 | -0.03 | 100 |
IV.T1299.HNZ. | 2019-04-09T04:25:33.04 | 0.3 | undecidable | manual | P | 172 | 15.3735 | 124 | 0.29 | 71 |
IV.MC2.EHZ. | 2019-04-09T04:25:33.51 | 0.3 | undecidable | manual | P | 340 | 16.4724 | 122 | 0.57 | 65 |
IV.MTRA.EHZ. | 2019-04-09T04:25:32.20 | 0.1 | undecidable | manual | P | 98 | 11.4774 | 132 | 0.07 | 99 |
IV.NRCA.HHZ. | 2019-04-09T04:25:32.41 | 0.1 | undecidable | manual | P | 301 | 13.4754 | 127 | -0.03 | 100 |
IV.MMO1.EHZ. | 2019-04-09T04:25:32.71 | 0.1 | undecidable | manual | P | 22 | 15.2736 | 124 | -0.03 | 99 |
IV.SMA1.EHZ. | 2019-04-09T04:25:32.94 | 0.3 | undecidable | manual | P | 158 | 16.872 | 121 | -0.06 | 74 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHE. | ML:1.3 | 0.00020950000000000002 | 0.06 | AML | other | m | 2019-04-09T04:25:34.95 |
IV.SMA1.EHE. | ML:0.5 | 0.00002774968 | 1.5808 | AML | other | m | 2019-04-09T04:25:35.92 |
IV.SMA1.EHN. | ML:0.4 | 0.000019412674999999996 | 0.4192 | AML | other | m | 2019-04-09T04:25:36.32 |