A magnitude ML 0.9 earthquake occured in region: 6 km W Accumoli (RI), on
and geographic coordinates (lat, lon) 42.7110, 13.1770 at 14 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 | 6 | 667 | 667 |
Cittareale | RI | 10 | 482 | 1149 |
Norcia | PG | 11 | 4957 | 6106 |
Arquata del Tronto | AP | 12 | 1178 | 7284 |
Amatrice | RI | 13 | 2657 | 9941 |
Cascia | PG | 13 | 3217 | 13158 |
Monteleone di Spoleto | PG | 20 | 599 | 13757 |
Montegallo | AP | 20 | 523 | 14280 |
Poggiodomo | PG | 20 | 117 | 14397 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.9 | 2021-07-17 23:43:14 |
42.7112 | 13.1772 | 14 | 2021-07-18 00:10:37 |
Sala Sismica INGV-Roma | 92889451 |
Field | Value |
---|---|
Time (UTC) | 2021-07-17 23:43:14 ± 0.05 |
Latitude | 42.7112 ± 0.0018 |
Longitude | 13.1772 ± 0.0024 |
Depth (km) | 14 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 92889451 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 199 |
Semi-minor axis of confidence ellipse (meter) | 59 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 123 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 200.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 74 |
Number of associated phases, regardless of their use for origin computation | 20 |
Number of defining phases | 20 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.08 |
Epicentral distance of station closest to the epicenter (degree) | 0.10882 |
Epicentral distance of station farthest from the epicenter (degree) | 0.33005 |
Number of stations at which the event was observed | 11 |
Number of stations from which data was used for origin computation | 11 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.3 |
Num. used stations | 18 |
Type of magnitude | ML |
Reference to an origin | 92889451 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-07-18 00:10:37 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MMO1.EHZ. | 2021-07-17T23:43:23.10 | 0.6 | undecidable | manual | S | 30 | 24.1536 | 102 | 0.05 | 49 |
IV.RM33.EHZ. | 2021-07-17T23:43:22.57 | 0.6 | undecidable | manual | S | 172 | 22.6551 | 103 | -0.08 | 49 |
IV.MC2.EHZ. | 2021-07-17T23:43:22.68 | 0.6 | undecidable | manual | S | 2 | 22.2555 | 104 | 0.13 | 49 |
IV.GAVE.EHZ. | 2021-07-17T23:43:22.68 | 0.6 | undecidable | manual | S | 265 | 23.1546 | 103 | -0.11 | 48 |
IV.MTRA.EHZ. | 2021-07-17T23:43:21.43 | 0.6 | undecidable | manual | S | 74 | 18.5703 | 109 | -0.18 | 48 |
IV.ARRO.EHZ. | 2021-07-17T23:43:21.27 | 1.0 | undecidable | manual | P | 247 | 36.6411 | 96 | 0.11 | 24 |
IV.TERO.HHZ. | 2021-07-17T23:43:21.04 | 0.6 | undecidable | manual | P | 106 | 36.1416 | 96 | -0.05 | 48 |
IV.LNSS.HHZ. | 2021-07-17T23:43:21.04 | 0.6 | undecidable | manual | S | 223 | 16.3725 | 114 | -0.03 | 50 |
IV.NRCA.HHZ. | 2021-07-17T23:43:20.42 | 0.6 | undecidable | manual | S | 339 | 14.4744 | 119 | -0.2 | 48 |
IV.T1299.HNE. | 2021-07-17T23:43:20.18 | 0.6 | undecidable | manual | S | 135 | 12.0768 | 126 | 0.11 | 49 |
IV.SMA1.EHE. | 2021-07-17T23:43:20.91 | 0.6 | undecidable | manual | S | 125 | 15.6732 | 115 | 0 | 50 |
IV.MC2.EHZ. | 2021-07-17T23:43:19.15 | 1.0 | negative | manual | P | 2 | 22.2555 | 104 | 0.18 | 24 |
IV.GAVE.EHZ. | 2021-07-17T23:43:19.15 | 0.6 | undecidable | manual | P | 265 | 23.1546 | 103 | 0.04 | 50 |
IV.MMO1.EHZ. | 2021-07-17T23:43:19.30 | 0.3 | positive | manual | P | 30 | 24.1536 | 102 | 0.04 | 74 |
IV.LNSS.HHZ. | 2021-07-17T23:43:18.21 | 0.1 | positive | manual | P | 223 | 16.3725 | 114 | 0.1 | 99 |
IV.MTRA.EHZ. | 2021-07-17T23:43:18.45 | 0.3 | undecidable | manual | P | 74 | 18.5703 | 109 | 0.02 | 75 |
IV.RM33.EHZ. | 2021-07-17T23:43:18.93 | 1.0 | undecidable | manual | P | 172 | 22.6551 | 103 | -0.1 | 24 |
IV.NRCA.HHZ. | 2021-07-17T23:43:17.88 | 1.0 | positive | manual | P | 339 | 14.4744 | 119 | 0.03 | 25 |
IV.T1299.HNE. | 2021-07-17T23:43:17.59 | 0.1 | undecidable | manual | P | 135 | 12.0768 | 126 | 0.05 | 100 |
IV.SMA1.EHE. | 2021-07-17T23:43:17.93 | 0.1 | undecidable | manual | P | 125 | 15.6732 | 115 | -0.09 | 99 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHE. | ML:1.1 | 0.00011499999999999999 | 0.08 | AML | other | m | 2021-07-17T23:43:20.60 |
IV.NRCA.HHN. | ML:0.9 | 0.0000715 | 0.1 | AML | other | m | 2021-07-17T23:43:20.97 |
IV.LNSS.HHE. | ML:1.2 | 0.0001315 | 0.2 | AML | other | m | 2021-07-17T23:43:21.31 |
IV.LNSS.HHN. | ML:1.0 | 0.00008283112 | 0.1792 | AML | other | m | 2021-07-17T23:43:21.36 |
IV.NRCA.HNE. | ML:1.1 | 0.000106330385 | 0.1664 | AML | other | m | 2021-07-17T23:43:20.52 |
IV.NRCA.HNN. | ML:1.2 | 0.0001443177 | 1.344 | AML | other | m | 2021-07-17T23:43:21.14 |
IV.LNSS.HNE. | ML:1.2 | 0.0001108735465 | 0.2048 | AML | other | m | 2021-07-17T23:43:21.31 |
IV.LNSS.HNN. | ML:1.0 | 0.00007955004 | 0.2688 | AML | other | m | 2021-07-17T23:43:21.29 |
IV.MTRA.EHE. | ML:0.8 | 0.000045560130000000007 | 0.192 | AML | other | m | 2021-07-17T23:43:22.17 |
IV.MTRA.EHN. | ML:0.6 | 0.000031111435 | 0.1664 | AML | other | m | 2021-07-17T23:43:22.00 |
IV.MTRA.HNE. | ML:1.0 | 0.00007986446 | 0.704 | AML | other | m | 2021-07-17T23:43:25.20 |
IV.MTRA.HNN. | ML:1.1 | 0.000084681905 | 1.3824 | AML | other | m | 2021-07-17T23:43:22.01 |
IV.RM33.EHE. | ML:0.4 | 0.00001724593 | 0.5632 | AML | other | m | 2021-07-17T23:43:28.64 |
IV.RM33.EHN. | ML:0.4 | 0.000014621987 | 0.0768 | AML | other | m | 2021-07-17T23:43:23.05 |
IV.RM33.HNE. | ML:1.3 | 0.00011871942999999999 | 0.9472 | AML | other | m | 2021-07-17T23:43:25.19 |
IV.GAVE.EHE. | ML:0.7 | 0.000027794985 | 0.1408 | AML | other | m | 2021-07-17T23:43:23.44 |
IV.GAVE.EHN. | ML:0.5 | 0.000019009385 | 0.1664 | AML | other | m | 2021-07-17T23:43:24.05 |
IV.TERO.HHN. | ML:0.6 | 0.000014285509 | 0.1408 | AML | other | m | 2021-07-17T23:43:26.75 |