A magnitude ML 1.4 earthquake occured in region: 6 km W Accumoli (RI), on
and geographic coordinates (lat, lon) 42.6960, 13.1810 at 13 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 | 9 | 482 | 1149 |
Amatrice | RI | 12 | 2657 | 3806 |
Arquata del Tronto | AP | 13 | 1178 | 4984 |
Norcia | PG | 13 | 4957 | 9941 |
Cascia | PG | 14 | 3217 | 13158 |
Monteleone di Spoleto | PG | 19 | 599 | 13757 |
Montereale | AQ | 20 | 2581 | 16338 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.4 | 2021-04-03 13:35:07 |
42.6958 | 13.1808 | 13 | 2021-04-03 13:39:08 |
Sala Sismica INGV-Roma | 88741171 |
Field | Value |
---|---|
Time (UTC) | 2021-04-03 13:35:07 ± 0.06 |
Latitude | 42.6958 ± 0.0027 |
Longitude | 13.1808 ± 0.0037 |
Depth (km) | 13 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 88741171 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 328 |
Semi-minor axis of confidence ellipse (meter) | 121 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 306 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 330.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 93 |
Number of associated phases, regardless of their use for origin computation | 18 |
Number of defining phases | 14 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.13 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.22933 |
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 | 1.4 |
Uncertainty | 0.2 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 88741171 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-04-03 13:39:08 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MC2.EHZ. | 2021-04-03T13:35:16.37 | 0.3 | undecidable | manual | S | 2 | 23.9538 | 101 | 0.24 | 72 |
IV.MMO1.EHZ. | 2021-04-03T13:35:16.48 | 0.3 | undecidable | manual | S | 28 | 25.4523 | 100 | -0.06 | 74 |
IV.GAVE.EHZ. | 2021-04-03T13:35:15.83 | 0.3 | undecidable | manual | S | 269 | 23.3544 | 101 | -0.16 | 73 |
IV.CSP1.EHZ. | 2021-04-03T13:35:15.50 | 3.0 | positive | manual | P | -0.03 | 0 | |||
IV.MF5.EHZ. | 2021-04-03T13:35:15.37 | 3.0 | undecidable | manual | P | 0.54 | 0 | |||
IV.RM33.EHZ. | 2021-04-03T13:35:15.37 | 0.3 | undecidable | manual | S | 172 | 20.9679 | 104 | 0.03 | 75 |
IV.TERO.HHZ. | 2021-04-03T13:35:14.09 | 3.0 | undecidable | manual | Pg | -0.12 | 0 | |||
IV.MTRA.EHZ. | 2021-04-03T13:35:14.54 | 0.3 | undecidable | manual | S | 69 | 18.87 | 107 | -0.27 | 72 |
IV.FDMO.HHZ. | 2021-04-03T13:35:14.83 | 3.0 | positive | manual | P | 0.19 | 0 | |||
IV.LNSS.HHZ. | 2021-04-03T13:35:13.85 | 0.3 | undecidable | manual | S | 228 | 15.4734 | 115 | -0.11 | 75 |
IV.SMA1.EHZ. | 2021-04-03T13:35:13.74 | 0.6 | undecidable | manual | S | 120 | 14.5743 | 117 | -0.01 | 51 |
IV.RM33.EHZ. | 2021-04-03T13:35:12.02 | 0.3 | undecidable | manual | P | 172 | 20.9679 | 104 | 0.1 | 74 |
IV.GAVE.EHZ. | 2021-04-03T13:35:12.22 | 0.1 | positive | manual | P | 269 | 23.3544 | 101 | -0.07 | 99 |
IV.MC2.EHZ. | 2021-04-03T13:35:12.47 | 1.0 | positive | manual | P | 2 | 23.9538 | 101 | 0.1 | 25 |
IV.MMO1.EHZ. | 2021-04-03T13:35:12.60 | 0.6 | negative | manual | P | 28 | 25.4523 | 100 | -0.01 | 50 |
IV.LNSS.HHZ. | 2021-04-03T13:35:11.21 | 0.1 | positive | manual | P | 228 | 15.4734 | 115 | 0.09 | 100 |
IV.SMA1.EHZ. | 2021-04-03T13:35:11.24 | 1.0 | positive | manual | P | 120 | 14.5743 | 117 | 0.25 | 24 |
IV.MTRA.EHZ. | 2021-04-03T13:35:11.66 | 0.6 | positive | manual | P | 69 | 18.87 | 107 | 0.06 | 50 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.LNSS.HHN. | ML:1.7 | 0.000409 | 0.12 | AML | other | m | 2021-04-03T13:35:14.09 |
IV.LNSS.HHE. | ML:1.6 | 0.0003355 | 0.42 | AML | other | m | 2021-04-03T13:35:14.30 |
IV.SMA1.EHE. | ML:1.5 | 0.000277 | 0.18 | AML | other | m | 2021-04-03T13:35:14.40 |
IV.SMA1.EHN. | ML:1.4 | 0.00019350000000000001 | 0.58 | AML | other | m | 2021-04-03T13:35:14.47 |
IV.MTRA.EHE. | ML:1.7 | 0.0003635 | 0.86 | AML | other | m | 2021-04-03T13:35:14.39 |
IV.MTRA.EHN. | ML:1.5 | 0.00020500000000000002 | 0.2 | AML | other | m | 2021-04-03T13:35:15.38 |
IV.RM33.EHN. | ML:1.2 | 0.0001081 | 0.44 | AML | other | m | 2021-04-03T13:35:15.54 |
IV.GAVE.EHN. | ML:1.4 | 0.0001505 | 0.54 | AML | other | m | 2021-04-03T13:35:16.02 |
IV.GAVE.EHE. | ML:1.5 | 0.00016849999999999998 | 0.6 | AML | other | m | 2021-04-03T13:35:16.20 |
IV.RM33.EHE. | ML:1.1 | 0.00007975 | 1 | AML | other | m | 2021-04-03T13:35:17.57 |
IV.TERO.HHE. | ML:1.3 | 0.0000702 | 0.8 | AML | other | m | 2021-04-03T13:35:20.05 |
IV.TERO.HHN. | ML:1.2 | 0.0000531 | 1.46 | AML | other | m | 2021-04-03T13:35:21.82 |