A magnitude ML 0.9 earthquake occured in region: 5 km SW Accumoli (RI), on
and geographic coordinates (lat, lon) 42.6680, 13.2050 at 20 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 | 5 | 667 | 667 |
Cittareale | RI | 7 | 482 | 1149 |
Amatrice | RI | 8 | 2657 | 3806 |
Arquata del Tronto | AP | 14 | 1178 | 4984 |
Montereale | AQ | 16 | 2581 | 7565 |
Cascia | PG | 17 | 3217 | 10782 |
Norcia | PG | 17 | 4957 | 15739 |
Campotosto | AQ | 18 | 542 | 16281 |
Capitignano | AQ | 18 | 665 | 16946 |
Borbona | RI | 18 | 617 | 17563 |
Posta | RI | 18 | 694 | 18257 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.9 | 2015-10-21 03:51:27 |
42.6682 | 13.2052 | 20 | 2015-10-21 03:57:50 |
Sala Sismica INGV-Roma | 21892891 |
Field | Value |
---|---|
Time (UTC) | 2015-10-21 03:51:27 ± 0.22 |
Latitude | 42.6682 ± 0.0117 |
Longitude | 13.2052 ± 0.0098 |
Depth (km) | 20 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 21892891 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1102 |
Semi-minor axis of confidence ellipse (meter) | 789 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 184 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1100.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 111 |
Number of associated phases, regardless of their use for origin computation | 17 |
Number of defining phases | 13 |
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) | 0.42358 |
Number of stations at which the event was observed | 11 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.3 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 21892891 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2015-10-21 03:57:50 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.GROG.HHZ. | 2015-10-21T03:52:36.99 | 3.0 | undecidable | manual | Sn | -0.07 | 0 | |||
IV.ARVD.HHZ. | 2015-10-21T03:51:55.99 | 3.0 | undecidable | manual | S | 0.02 | 0 | |||
IV.EL6.EHZ. | 2015-10-21T03:51:51.99 | 3.0 | undecidable | manual | S | 0.21 | 0 | |||
IV.APEC.HHZ. | 2015-10-21T03:51:47.22 | 3.0 | negative | manual | P | 1.47 | 0 | |||
IV.GUMA.HHE. | 2015-10-21T03:51:43.03 | 0.3 | undecidable | manual | S | 14 | 45.0216 | 105 | 0.4 | 69 |
IV.CESI.HHE. | 2015-10-21T03:51:42.55 | 0.3 | undecidable | manual | S | 327 | 44.622 | 105 | 0.02 | 74 |
IV.FDMO.HHZ. | 2015-10-21T03:51:42.07 | 0.6 | undecidable | manual | S | 347 | 42.0246 | 107 | 0.22 | 48 |
IV.CSP1.EHZ. | 2015-10-21T03:51:42.94 | 0.6 | undecidable | manual | S | 360 | 47.0196 | 104 | -0.2 | 47 |
IV.TERO.HHZ. | 2015-10-21T03:51:39.24 | 0.6 | undecidable | manual | S | 99 | 32.9448 | 112 | -0.32 | 48 |
IV.CSP1.EHZ. | 2015-10-21T03:51:36.77 | 0.1 | undecidable | manual | P | 360 | 47.0196 | 104 | 0.1 | 97 |
IV.CESI.HHE. | 2015-10-21T03:51:36.21 | 0.6 | undecidable | manual | P | 327 | 44.622 | 105 | -0.11 | 48 |
IV.GUMA.HHE. | 2015-10-21T03:51:36.03 | 0.6 | undecidable | manual | P | 14 | 45.0216 | 105 | -0.35 | 46 |
IV.FDMO.HHZ. | 2015-10-21T03:51:35.75 | 0.1 | undecidable | manual | P | 347 | 42.0246 | 107 | -0.17 | 95 |
IV.LNSS.HHZ. | 2015-10-21T03:51:35.26 | 0.6 | undecidable | manual | S | 242 | 15.2736 | 137 | -0.36 | 49 |
IV.TERO.HHZ. | 2015-10-21T03:51:34.63 | 0.1 | undecidable | manual | P | 99 | 32.9448 | 112 | 0.02 | 100 |
IV.CAMP.HHE. | 2015-10-21T03:51:33.39 | 0.6 | undecidable | manual | P | 131 | 22.1556 | 124 | 0.25 | 48 |
IV.LNSS.HHZ. | 2015-10-21T03:51:32.53 | 0.1 | undecidable | manual | P | 242 | 15.2736 | 137 | 0.2 | 99 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.LNSS.HHN. | ML:1.2 | 0.00010570000000000001 | 0.28 | AML | other | m | 2015-10-21T03:51:35.35 |
IV.LNSS.HHE. | ML:1.2 | 0.00009120000000000001 | 0.6 | AML | other | m | 2015-10-21T03:51:35.67 |
IV.TERO.HHE. | ML:0.6 | 0.00001565 | 0.92 | AML | other | m | 2015-10-21T03:51:39.37 |
IV.TERO.HHN. | ML:0.7 | 0.000020799999999999997 | 1.16 | AML | other | m | 2015-10-21T03:51:39.38 |