A magnitude ML 1.0 earthquake occured in region: 4 km NW Arquata del Tronto (AP), on
and geographic coordinates (lat, lon) 42.8020, 13.2640 at 7 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 |
Montegallo | AP | 7 | 523 | 1701 |
Accumoli | RI | 12 | 667 | 2368 |
Montemonaco | AP | 12 | 604 | 2972 |
Acquasanta Terme | AP | 12 | 2916 | 5888 |
Castelsantangelo sul Nera | MC | 14 | 281 | 6169 |
Norcia | PG | 14 | 4957 | 11126 |
Montefortino | FM | 17 | 1178 | 12304 |
Roccafluvione | AP | 19 | 2010 | 14314 |
Ussita | MC | 19 | 444 | 14758 |
Amatrice | RI | 19 | 2657 | 17415 |
Palmiano | AP | 19 | 196 | 17611 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.0 | 2020-04-25 14:19:40 |
42.8023 | 13.2642 | 7 | 2020-04-25 14:42:59 |
Sala Sismica INGV-Roma | 78578911 |
Field | Value |
---|---|
Time (UTC) | 2020-04-25 14:19:40 ± 0.08 |
Latitude | 42.8023 ± 0.0036 |
Longitude | 13.2642 ± 0.0025 |
Depth (km) | 7 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 78578911 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 355 |
Semi-minor axis of confidence ellipse (meter) | 290 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 339 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 350.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 261 |
Number of associated phases, regardless of their use for origin computation | 21 |
Number of defining phases | 6 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.05 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.12231 |
Number of stations at which the event was observed | 17 |
Number of stations from which data was used for origin computation | 3 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.1 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 78578911 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-04-25 14:42:59 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.SLCN.HHZ. | 2020-04-25T14:21:11.07 | 3.0 | undecidable | manual | Sg | 12.57 | 0 | |||
IV.SGTA.HNZ. | 2020-04-25T14:20:54.36 | 3.0 | undecidable | manual | Sg | 13.54 | 0 | |||
MN.PDG.HHZ. | 2020-04-25T14:20:50.11 | 3.0 | positive | manual | Pg | 18.91 | 0 | |||
IV.CAGR.HHZ. | 2020-04-25T14:20:48.74 | 3.0 | undecidable | manual | Pn | 2.65 | 0 | |||
IV.MARS.EHZ. | 2020-04-25T14:20:44.69 | 3.0 | negative | manual | Pn | 2.42 | 0 | |||
IV.ECTS.HHZ. | 2020-04-25T14:20:42.81 | 3.0 | undecidable | manual | Pn | -1.55 | 0 | |||
IV.IST3.HHZ. | 2020-04-25T14:20:41.18 | 3.0 | negative | manual | Pg | 8.31 | 0 | |||
IV.VCRE.HHZ. | 2020-04-25T14:20:39.91 | 3.0 | undecidable | manual | Sn | 1.68 | 0 | |||
IV.CTI.HHZ. | 2020-04-25T14:20:32.46 | 3.0 | undecidable | manual | Sn | -1.08 | 0 | |||
GU.CIRO.HHZ. | 2020-04-25T14:20:32.28 | 3.0 | negative | manual | Pg | 9.21 | 0 | |||
IV.VCRE.HHZ. | 2020-04-25T14:20:14.86 | 3.0 | undecidable | manual | Pg | 10.76 | 0 | |||
IV.VIVA.HHZ. | 2020-04-25T14:20:06.82 | 3.0 | undecidable | manual | Sg | -1.82 | 0 | |||
IV.FDMO.HHZ. | 2020-04-25T14:19:46.00 | 3.0 | undecidable | manual | S | 7.07 | 0 | |||
IV.NRCA.HHZ. | 2020-04-25T14:19:45.77 | 0.1 | undecidable | manual | S | 286 | 12.6762 | 119 | 0.02 | 100 |
IV.MC2.EHZ. | 2020-04-25T14:19:45.98 | 0.3 | undecidable | manual | S | 333 | 13.5753 | 117 | -0.04 | 74 |
IV.MMO1.EHZ. | 2020-04-25T14:19:45.52 | 0.1 | undecidable | manual | S | 25 | 11.877 | 120 | 0.01 | 100 |
IV.MMO1.EHZ. | 2020-04-25T14:19:43.48 | 0.1 | undecidable | manual | P | 25 | 11.877 | 120 | -0.01 | 100 |
IV.NRCA.HHZ. | 2020-04-25T14:19:43.59 | 0.1 | undecidable | manual | P | 286 | 12.6762 | 119 | -0.04 | 99 |
IV.MC2.EHZ. | 2020-04-25T14:19:43.83 | 0.1 | undecidable | manual | P | 333 | 13.5753 | 117 | 0.05 | 99 |
IV.MTRZ.HHZ. | 2020-04-25T14:19:33.15 | 3.0 | negative | manual | P | -8.8 | 0 | |||
IV.CPGN.EHZ. | 2020-04-25T14:19:22.26 | 3.0 | undecidable | manual | P | -8.51 | 0 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.0 | 0.0001115 | 0.16 | AML | other | m | 2020-04-25T14:19:46.10 |
IV.NRCA.HHE. | ML:1.1 | 0.000146 | 0.1 | AML | other | m | 2020-04-25T14:19:46.07 |