A magnitude ML 1.2 earthquake occured in region: 7 km W Accumoli (RI), on
and geographic coordinates (lat, lon) 42.7000, 13.1650 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 | 7 | 667 | 667 |
Cittareale | RI | 9 | 482 | 1149 |
Norcia | PG | 12 | 4957 | 6106 |
Cascia | PG | 13 | 3217 | 9323 |
Amatrice | RI | 13 | 2657 | 11980 |
Arquata del Tronto | AP | 14 | 1178 | 13158 |
Monteleone di Spoleto | PG | 18 | 599 | 13757 |
Poggiodomo | PG | 19 | 117 | 13874 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.2 | 2017-08-31 19:35:29 |
42.7 | 13.1653 | 11 | 2017-08-31 19:45:46 |
Sala Sismica INGV-Roma | 49553241 |
Field | Value |
---|---|
Time (UTC) | 2017-08-31 19:35:29 ± 0.05 |
Latitude | 42.7000 ± 0.0027 |
Longitude | 13.1653 ± 0.0049 |
Depth (km) | 11 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 49553241 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 370 |
Semi-minor axis of confidence ellipse (meter) | 74 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 72 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 370.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 100 |
Number of associated phases, regardless of their use for origin computation | 23 |
Number of defining phases | 18 |
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) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.23203 |
Number of stations at which the event was observed | 14 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.4 |
Num. used stations | 20 |
Type of magnitude | ML |
Reference to an origin | 49553241 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2017-08-31 19:45:46 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MC2.EHZ. | 2017-08-31T19:35:38.20 | 0.6 | undecidable | manual | S | 5 | 23.5542 | 50 | 0.35 | 46 |
IV.MMO1.EHZ. | 2017-08-31T19:35:38.36 | 0.3 | undecidable | manual | S | 31 | 25.752 | 50 | -0.08 | 72 |
IV.T1216.EHZ. | 2017-08-31T19:35:37.84 | 0.3 | undecidable | manual | S | 331 | 24.2535 | 50 | -0.21 | 71 |
IV.T1219.EHZ. | 2017-08-31T19:35:37.40 | 3.0 | positive | manual | P | 0.29 | 0 | |||
IV.RM33.EHZ. | 2017-08-31T19:35:37.08 | 0.3 | undecidable | manual | S | 169 | 21.5673 | 50 | -0.25 | 71 |
IV.MTRA.EHZ. | 2017-08-31T19:35:36.52 | 0.1 | undecidable | manual | S | 71 | 19.869 | 50 | -0.35 | 93 |
IV.CESI.HHZ. | 2017-08-31T19:35:36.90 | 3.0 | undecidable | manual | P | 0.08 | 0 | |||
IV.SMA1.EHZ. | 2017-08-31T19:35:36.02 | 0.3 | undecidable | manual | S | 119 | 15.873 | 50 | 0.22 | 71 |
IV.TERO.HHZ. | 2017-08-31T19:35:36.30 | 3.0 | undecidable | manual | P | 0.05 | 0 | |||
IV.ARRO.EHZ. | 2017-08-31T19:35:35.85 | 3.0 | negative | manual | P | -0.09 | 0 | |||
IV.LNSS.HHZ. | 2017-08-31T19:35:35.67 | 0.3 | undecidable | manual | S | 223 | 14.874 | 127 | 0.15 | 72 |
IV.T1211.EHZ. | 2017-08-31T19:35:35.14 | 3.0 | positive | manual | P | -0.15 | 0 | |||
IV.MMO1.EHZ. | 2017-08-31T19:35:34.45 | 0.1 | undecidable | manual | P | 31 | 25.752 | 50 | -0.04 | 97 |
IV.T1299.EHZ. | 2017-08-31T19:35:34.85 | 0.3 | undecidable | manual | S | 127 | 11.9769 | 133 | 0.09 | 74 |
IV.T1216.EHZ. | 2017-08-31T19:35:34.42 | 0.3 | undecidable | manual | P | 331 | 24.2535 | 50 | 0.15 | 71 |
IV.MC2.EHZ. | 2017-08-31T19:35:34.20 | 0.1 | undecidable | manual | P | 5 | 23.5542 | 50 | 0.05 | 97 |
IV.T1218.EHZ. | 2017-08-31T19:35:33.25 | 0.1 | undecidable | manual | S | 231 | 5.2947 | 154 | -0.09 | 99 |
IV.SMA1.EHZ. | 2017-08-31T19:35:33.07 | 0.6 | undecidable | manual | P | 119 | 15.873 | 50 | 0.1 | 49 |
IV.MTRA.EHZ. | 2017-08-31T19:35:33.52 | 0.1 | undecidable | manual | P | 71 | 19.869 | 50 | -0.06 | 98 |
IV.RM33.EHZ. | 2017-08-31T19:35:33.70 | 0.1 | undecidable | manual | P | 169 | 21.5673 | 50 | -0.15 | 96 |
IV.T1299.EHZ. | 2017-08-31T19:35:32.55 | 0.1 | undecidable | manual | P | 127 | 11.9769 | 133 | 0.18 | 96 |
IV.LNSS.HHZ. | 2017-08-31T19:35:32.80 | 0.1 | undecidable | manual | P | 223 | 14.874 | 127 | -0.01 | 100 |
IV.T1218.EHZ. | 2017-08-31T19:35:31.63 | 0.1 | undecidable | manual | P | 231 | 5.2947 | 154 | 0.08 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.T1218.EHE. | ML:1.6 | 0.0005674999999999999 | 0.56 | AML | other | m | 2017-08-31T19:35:33.03 |
IV.T1218.HNE. | ML:1.6 | 0.0006314999999999999 | 1.26 | AML | other | m | 2017-08-31T19:35:33.03 |
IV.T1218.EHN. | ML:1.6 | 0.0006775 | 0.1 | AML | other | m | 2017-08-31T19:35:33.86 |
IV.T1218.HNN. | ML:1.6 | 0.000655 | 0.1 | AML | other | m | 2017-08-31T19:35:33.81 |
IV.T1299.EHN. | ML:1.0 | 0.0000998 | 1.4 | AML | other | m | 2017-08-31T19:35:36.79 |
IV.SMA1.EHE. | ML:1.1 | 0.000118 | 0.7 | AML | other | m | 2017-08-31T19:35:36.40 |
IV.LNSS.HHE. | ML:1.3 | 0.00020150000000000002 | 0.36 | AML | other | m | 2017-08-31T19:35:36.41 |
IV.LNSS.HHN. | ML:1.2 | 0.00016499999999999997 | 0.68 | AML | other | m | 2017-08-31T19:35:36.44 |
IV.SMA1.EHN. | ML:1.3 | 0.0001645 | 0.36 | AML | other | m | 2017-08-31T19:35:36.27 |
IV.MTRA.EHE. | ML:1.2 | 0.00011949999999999999 | 0.98 | AML | other | m | 2017-08-31T19:35:36.96 |
IV.MTRA.EHN. | ML:1.1 | 0.00009159999999999999 | 0.58 | AML | other | m | 2017-08-31T19:35:37.37 |
IV.T1299.EHE. | ML:0.7 | 0.000056500000000000005 | 0.68 | AML | other | m | 2017-08-31T19:35:37.59 |
IV.RM33.EHE. | ML:1.0 | 0.0000588 | 0.92 | AML | other | m | 2017-08-31T19:35:37.88 |
IV.RM33.EHN. | ML:1.0 | 0.0000641 | 0.42 | AML | other | m | 2017-08-31T19:35:37.72 |
IV.TERO.HHN. | ML:0.9 | 0.000027700000000000002 | 0.94 | AML | other | m | 2017-08-31T19:35:41.13 |
IV.TERO.HHE. | ML:1.0 | 0.0000348 | 1.42 | AML | other | m | 2017-08-31T19:35:42.12 |
IV.ARRO.EHN. | ML:1.0 | 0.00003295 | 0.2 | AML | other | m | 2017-08-31T19:35:42.56 |
IV.ARRO.EHE. | ML:0.9 | 0.000032149999999999995 | 1.1 | AML | other | m | 2017-08-31T19:35:42.85 |
IV.MTRA.HNE. | ML:3.9 | 0.063 | 0.42 | AML | other | m | 2017-08-31T19:35:43.67 |
IV.MTRA.HNN. | ML:3.8 | 0.0475 | 1.58 | AML | other | m | 2017-08-31T19:35:43.82 |