A magnitude ML 1.1 earthquake occured in region: 4 km NW Accumoli (RI), on
and geographic coordinates (lat, lon) 42.7300, 13.2240 at 11 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 |
---|---|---|---|---|
Accumoli | RI | 4 | 667 | 667 |
Arquata del Tronto | AP | 8 | 1178 | 1845 |
Amatrice | RI | 12 | 2657 | 4502 |
Norcia | PG | 13 | 4957 | 9459 |
Cittareale | RI | 13 | 482 | 9941 |
Montegallo | AP | 15 | 523 | 10464 |
Acquasanta Terme | AP | 16 | 2916 | 13380 |
Cascia | PG | 17 | 3217 | 16597 |
Castelsantangelo sul Nera | MC | 19 | 281 | 16878 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2018-10-23 18:12:42 |
42.7298 | 13.2245 | 11 | 2018-10-23 18:21:16 |
Sala Sismica INGV-Roma | 62255091 |
Field | Value |
---|---|
Time (UTC) | 2018-10-23 18:12:42 ± 0.07 |
Latitude | 42.7298 ± 0.0036 |
Longitude | 13.2245 ± 0.0049 |
Depth (km) | 11 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 62255091 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 420 |
Semi-minor axis of confidence ellipse (meter) | 308 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 200 |
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) | 91 |
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) | 0.18 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.29857 |
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 | 1.1 |
Uncertainty | 0.3 |
Num. used stations | 11 |
Type of magnitude | ML |
Reference to an origin | 62255091 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2018-10-23 18:21:16 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.APEC.HHZ. | 2018-10-23T18:12:57.67 | 3.0 | undecidable | manual | Pn | 0.14 | 0 | |||
IV.TERO.HHZ. | 2018-10-23T18:12:53.44 | 0.3 | undecidable | manual | S | 111 | 33.1446 | 50 | -0.14 | 72 |
IV.GAVE.HNZ. | 2018-10-23T18:12:51.55 | 0.3 | undecidable | manual | S | 261 | 27.2505 | 50 | -0.46 | 68 |
IV.RM33.EHZ. | 2018-10-23T18:12:51.32 | 0.3 | undecidable | manual | S | 182 | 24.5532 | 50 | 0.05 | 75 |
IV.MC2.EHZ. | 2018-10-23T18:12:50.33 | 0.6 | undecidable | manual | S | 352 | 20.3685 | 50 | 0.16 | 49 |
IV.MTRA.EHZ. | 2018-10-23T18:12:48.25 | 0.3 | undecidable | manual | S | 78 | 14.3745 | 50 | -0.31 | 72 |
IV.TERO.HHZ. | 2018-10-23T18:12:48.75 | 0.3 | undecidable | manual | P | 111 | 33.1446 | 50 | -0.05 | 73 |
IV.SMA1.EHZ. | 2018-10-23T18:12:48.47 | 0.3 | undecidable | manual | S | 141 | 14.2746 | 50 | -0.06 | 75 |
IV.GAVE.HNZ. | 2018-10-23T18:12:47.94 | 0.1 | undecidable | manual | P | 261 | 27.2505 | 50 | 0.05 | 99 |
IV.RM33.EHZ. | 2018-10-23T18:12:47.61 | 0.6 | negative | manual | P | 182 | 24.5532 | 50 | 0.14 | 49 |
IV.LNSS.HHZ. | 2018-10-23T18:12:47.00 | 0.1 | undecidable | manual | P | 227 | 20.5683 | 50 | 0.13 | 99 |
IV.SMA1.EHZ. | 2018-10-23T18:12:46.04 | 0.1 | undecidable | manual | P | 141 | 14.2746 | 50 | 0.15 | 100 |
IV.NRCA.HHZ. | 2018-10-23T18:12:46.00 | 3.0 | negative | manual | Pn | -0.02 | 0 | |||
IV.MC2.EHZ. | 2018-10-23T18:12:46.94 | 0.6 | undecidable | manual | P | 352 | 20.3685 | 50 | 0.11 | 50 |
IV.MTRA.EHZ. | 2018-10-23T18:12:46.01 | 0.3 | undecidable | manual | P | 78 | 14.3745 | 50 | 0.11 | 75 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HNE. | ML:1.4 | 0.00021342939999999998 | 0.0768 | AML | other | m | 2018-10-23T18:12:48.52 |
IV.NRCA.HHE. | ML:1.4 | 0.00022426855 | 0.064 | AML | other | m | 2018-10-23T18:12:48.52 |
IV.NRCA.HHN. | ML:1.2 | 0.00013748765000000003 | 0.0768 | AML | other | m | 2018-10-23T18:12:48.53 |
IV.RM33.HNN. | ML:1.3 | 0.0001244346 | 0.6656 | AML | other | m | 2018-10-23T18:12:50.98 |
IV.RM33.EHE. | ML:0.8 | 0.000037721965 | 1.3824 | AML | other | m | 2018-10-23T18:12:51.52 |
IV.RM33.HNE. | ML:1.1 | 0.000077892035 | 0.4992 | AML | other | m | 2018-10-23T18:12:51.70 |
IV.RM33.EHN. | ML:0.6 | 0.000025998935000000002 | 1.728 | AML | other | m | 2018-10-23T18:12:51.04 |
IV.TERO.HNN. | ML:1.4 | 0.00011528155 | 1.2032 | AML | other | m | 2018-10-23T18:12:53.65 |
IV.TERO.HNE. | ML:1.2 | 0.000059178765 | 2.7008 | AML | other | m | 2018-10-23T18:12:52.69 |
IV.TERO.HHE. | ML:0.9 | 0.00003540028 | 2.3552 | AML | other | m | 2018-10-23T18:12:52.81 |
IV.TERO.HHN. | ML:0.6 | 0.0000167033135 | 0.0768 | AML | other | m | 2018-10-23T18:12:53.75 |