A magnitude ML 0.8 earthquake occured in region: 9 km NW Arquata del Tronto (AP), on
and geographic coordinates (lat, lon) 42.8240, 13.2140 at 9 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 | 9 | 1178 | 1178 |
Castelsantangelo sul Nera | MC | 9 | 281 | 1459 |
Montegallo | AP | 10 | 523 | 1982 |
Norcia | PG | 10 | 4957 | 6939 |
Montemonaco | AP | 13 | 604 | 7543 |
Accumoli | RI | 15 | 667 | 8210 |
Ussita | MC | 15 | 444 | 8654 |
Preci | PG | 16 | 724 | 9378 |
Visso | MC | 16 | 1107 | 10485 |
Montefortino | FM | 17 | 1178 | 11663 |
Acquasanta Terme | AP | 17 | 2916 | 14579 |
Bolognola | MC | 19 | 142 | 14721 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
Md 0.6
ML 0.8 |
2016-10-23 20:51:00 |
42.824 | 13.2137 | 9 | 2016-10-23 20:56:33 |
Sala Sismica INGV-Roma | 30490021 |
Field | Value |
---|---|
Time (UTC) | 2016-10-23 20:51:00 ± 0.12 |
Latitude | 42.8240 ± 0.0054 |
Longitude | 13.2137 ± 0.0061 |
Depth (km) | 9 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 30490021 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 593 |
Semi-minor axis of confidence ellipse (meter) | 347 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 216 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 590.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 151 |
Number of associated phases, regardless of their use for origin computation | 13 |
Number of defining phases | 13 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.17 |
Epicentral distance of station closest to the epicenter (degree) | 0.03777 |
Epicentral distance of station farthest from the epicenter (degree) | 0.34984 |
Number of stations at which the event was observed | 7 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 0.8 |
Uncertainty | 0.1 |
Num. used stations | 1 |
Type of magnitude | ML |
Reference to an origin | 30490021 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2016-10-23 20:56:33 |
Field | Value |
---|---|
Value | 0.6 |
Uncertainty | 0.0 |
Num. used stations | 1 |
Type of magnitude | Md |
Reference to an origin | 30490021 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2016-10-23 20:56:33 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.FDMO.HHZ. | 2016-10-23T20:51:09.95 | 0.6 | undecidable | manual | S | 337 | 25.6521 | 110 | -0.24 | 48 |
IV.T1243.HHZ. | 2016-10-23T20:51:09.37 | 0.6 | undecidable | manual | S | 126 | 23.754 | 111 | -0.2 | 49 |
IV.TERO.HHZ. | 2016-10-23T20:51:08.19 | 0.6 | undecidable | manual | P | 125 | 38.8278 | 50 | -0.16 | 48 |
IV.T1216.EHZ. | 2016-10-23T20:51:07.42 | 0.6 | undecidable | manual | S | 295 | 17.4714 | 118 | -0.15 | 50 |
IV.MMO1.EHZ. | 2016-10-23T20:51:06.17 | 0.6 | undecidable | manual | S | 48 | 12.3765 | 127 | 0.08 | 51 |
IV.FDMO.HHZ. | 2016-10-23T20:51:06.17 | 0.6 | negative | manual | P | 337 | 25.6521 | 110 | -0.01 | 51 |
IV.T1243.HHZ. | 2016-10-23T20:51:05.78 | 1.0 | undecidable | manual | P | 126 | 23.754 | 111 | -0.04 | 25 |
IV.T1216.EHZ. | 2016-10-23T20:51:04.76 | 0.6 | positive | manual | P | 295 | 17.4714 | 118 | 0.08 | 51 |
IV.NRCA.HHZ. | 2016-10-23T20:51:04.83 | 0.6 | undecidable | manual | S | 277 | 8.1807 | 139 | -0.17 | 50 |
IV.MMO1.EHZ. | 2016-10-23T20:51:04.08 | 1.0 | undecidable | manual | P | 48 | 12.3765 | 127 | 0.26 | 25 |
IV.NRCA.HHZ. | 2016-10-23T20:51:03.40 | 0.1 | negative | manual | P | 277 | 8.1807 | 139 | 0.21 | 100 |
IV.T1245.HHZ. | 2016-10-23T20:51:03.94 | 0.6 | undecidable | manual | S | 330 | 4.1958 | 156 | -0.3 | 49 |
IV.T1245.HHZ. | 2016-10-23T20:51:02.99 | 0.1 | undecidable | manual | P | 330 | 4.1958 | 156 | 0.24 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.TERO.HHE. | ML:0.8 | 0.00002275 | 1.58 | AML | other | m | 2016-10-23T20:51:56.15 |
IV.TERO.HHN. | ML:0.8 | 0.00002245 | 1.58 | AML | other | m | 2016-10-23T20:52:18.08 |