A magnitude ML 0.8 earthquake occured in region: 7 km NW Arquata del Tronto (AP), on
and geographic coordinates (lat, lon) 42.8060, 13.2200 at 14 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 |
Montegallo | AP | 10 | 523 | 1701 |
Norcia | PG | 10 | 4957 | 6658 |
Castelsantangelo sul Nera | MC | 11 | 281 | 6939 |
Accumoli | RI | 13 | 667 | 7606 |
Montemonaco | AP | 14 | 604 | 8210 |
Acquasanta Terme | AP | 16 | 2916 | 11126 |
Preci | PG | 17 | 724 | 11850 |
Ussita | MC | 17 | 444 | 12294 |
Visso | MC | 18 | 1107 | 13401 |
Montefortino | FM | 18 | 1178 | 14579 |
Cascia | PG | 19 | 3217 | 17796 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.8 | 2019-04-11 22:16:03 |
42.8062 | 13.2202 | 14 | 2019-04-11 22:20:29 |
Sala Sismica INGV-Roma | 67475991 |
Field | Value |
---|---|
Time (UTC) | 2019-04-11 22:16:03 ± 0.17 |
Latitude | 42.8062 ± 0.0063 |
Longitude | 13.2202 ± 0.0086 |
Depth (km) | 14 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 67475991 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 746 |
Semi-minor axis of confidence ellipse (meter) | 287 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 49 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 750.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 135 |
Number of associated phases, regardless of their use for origin computation | 15 |
Number of defining phases | 13 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.28 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.25271 |
Number of stations at which the event was observed | 9 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 0.8 |
Uncertainty | 0.1 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 67475991 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2019-04-11 22:20:29 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MF5.EHZ. | 2019-04-11T22:16:14.07 | 0.1 | undecidable | manual | S | 44 | 28.0497 | 100 | 0.56 | 85 |
IV.FDMO.HHZ. | 2019-04-11T22:16:13.21 | 0.1 | undecidable | manual | S | 337 | 27.75 | 100 | -0.22 | 94 |
IV.SMA1.EHZ. | 2019-04-11T22:16:11.93 | 0.3 | undecidable | manual | S | 154 | 21.6672 | 105 | 0.09 | 74 |
IV.MTRA.EHZ. | 2019-04-11T22:16:10.09 | 0.1 | undecidable | manual | S | 111 | 15.3735 | 117 | -0.19 | 99 |
IV.TERO.HHZ. | 2019-04-11T22:16:10.32 | 3.0 | undecidable | manual | P | -0.09 | 0 | |||
IV.CESI.HHZ. | 2019-04-11T22:16:10.15 | 3.0 | positive | manual | P | 0.03 | 0 | |||
IV.NRCA.HHZ. | 2019-04-11T22:16:09.26 | 0.1 | undecidable | manual | S | 289 | 9.0798 | 137 | 0.31 | 97 |
IV.MMO1.EHZ. | 2019-04-11T22:16:09.61 | 0.1 | undecidable | manual | S | 40 | 13.4754 | 122 | -0.24 | 98 |
IV.MF5.EHZ. | 2019-04-11T22:16:09.34 | 1.0 | negative | manual | P | 44 | 28.0497 | 100 | 0.06 | 24 |
IV.SMA1.EHZ. | 2019-04-11T22:16:08.48 | 1.0 | negative | manual | P | 154 | 21.6672 | 105 | 0.15 | 24 |
IV.FDMO.HHZ. | 2019-04-11T22:16:08.90 | 0.1 | undecidable | manual | P | 337 | 27.75 | 100 | -0.34 | 92 |
IV.MC2.EHZ. | 2019-04-11T22:16:07.07 | 0.1 | undecidable | manual | P | 348 | 11.9769 | 127 | 0.1 | 100 |
IV.MTRA.EHZ. | 2019-04-11T22:16:07.28 | 0.1 | undecidable | manual | P | 111 | 15.3735 | 117 | -0.14 | 99 |
IV.MMO1.EHZ. | 2019-04-11T22:16:06.98 | 0.1 | undecidable | manual | P | 40 | 13.4754 | 122 | -0.19 | 98 |
IV.NRCA.HHZ. | 2019-04-11T22:16:06.84 | 0.1 | undecidable | manual | P | 289 | 9.0798 | 137 | 0.19 | 99 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHE. | ML:0.8 | 0.00006725000000000001 | 0.1 | AML | other | m | 2019-04-11T22:16:09.56 |
IV.NRCA.HHN. | ML:0.9 | 0.0000873 | 0.34 | AML | other | m | 2019-04-11T22:16:09.45 |
IV.MTRA.EHE. | ML:0.8 | 0.00005035 | 0.18 | AML | other | m | 2019-04-11T22:16:10.34 |
IV.MTRA.EHN. | ML:0.6 | 0.000035000000000000004 | 0.82 | AML | other | m | 2019-04-11T22:16:10.55 |