A magnitude ML 0.8 earthquake occured in region: 3 km N Accumoli (RI), on
and geographic coordinates (lat, lon) 42.7210, 13.2450 at 10 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 | 3 | 667 | 667 |
Arquata del Tronto | AP | 7 | 1178 | 1845 |
Amatrice | RI | 11 | 2657 | 4502 |
Cittareale | RI | 13 | 482 | 4984 |
Acquasanta Terme | AP | 15 | 2916 | 7900 |
Norcia | PG | 15 | 4957 | 12857 |
Montegallo | AP | 15 | 523 | 13380 |
Cascia | PG | 19 | 3217 | 16597 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.8 | 2020-04-20 17:38:50 |
42.7207 | 13.2452 | 10 | 2020-04-20 17:46:24 |
Sala Sismica INGV-Roma | 78418721 |
Field | Value |
---|---|
Time (UTC) | 2020-04-20 17:38:50 ± 0.04 |
Latitude | 42.7207 ± 0.0018 |
Longitude | 13.2452 ± 0.0037 |
Depth (km) | 10 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 78418721 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 238 |
Semi-minor axis of confidence ellipse (meter) | 211 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 256 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 240.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 88 |
Number of associated phases, regardless of their use for origin computation | 17 |
Number of defining phases | 17 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.12 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.37232 |
Number of stations at which the event was observed | 9 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 0.8 |
Uncertainty | 0.3 |
Num. used stations | 7 |
Type of magnitude | ML |
Reference to an origin | 78418721 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-04-20 17:46:24 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CSP1.EHZ. | 2020-04-20T17:39:04.19 | 0.6 | undecidable | manual | S | 355 | 41.3253 | 50 | 0.25 | 46 |
IV.FDMO.HHZ. | 2020-04-20T17:39:03.06 | 0.6 | undecidable | manual | S | 340 | 37.3293 | 50 | 0.18 | 47 |
IV.LNSS.HNE. | 2020-04-20T17:38:58.33 | 0.3 | undecidable | manual | S | 232 | 21.2676 | 115 | -0.03 | 75 |
IV.MMO1.EHZ. | 2020-04-20T17:38:58.23 | 0.3 | undecidable | manual | S | 18 | 20.868 | 116 | -0.03 | 75 |
IV.CSP1.EHZ. | 2020-04-20T17:38:58.04 | 0.3 | undecidable | manual | P | 355 | 41.3253 | 50 | -0.11 | 71 |
IV.RM33.EHZ. | 2020-04-20T17:38:58.93 | 0.6 | undecidable | manual | S | 186 | 23.6541 | 113 | -0.19 | 48 |
IV.MNTT.EHZ. | 2020-04-20T17:38:58.77 | 0.6 | negative | manual | P | -0.11 | 1.08 | |||
IV.FDMO.HHZ. | 2020-04-20T17:38:57.42 | 0.1 | undecidable | manual | P | 340 | 37.3293 | 50 | -0.11 | 96 |
IV.NRCA.HHZ. | 2020-04-20T17:38:56.80 | 0.3 | undecidable | manual | S | 320 | 16.4724 | 121 | -0.1 | 74 |
IV.SMA1.EHZ. | 2020-04-20T17:38:55.78 | 0.3 | undecidable | manual | S | 144 | 12.3765 | 129 | 0.03 | 76 |
IV.RM33.EHZ. | 2020-04-20T17:38:55.32 | 0.1 | undecidable | manual | P | 186 | 23.6541 | 113 | -0.04 | 99 |
IV.MTRA.EHE. | 2020-04-20T17:38:55.82 | 0.3 | undecidable | manual | S | 72 | 12.9759 | 128 | -0.08 | 75 |
IV.NRCA.HHZ. | 2020-04-20T17:38:54.21 | 0.1 | negative | manual | P | 320 | 16.4724 | 121 | 0.13 | 99 |
IV.LNSS.HNE. | 2020-04-20T17:38:54.96 | 0.1 | undecidable | manual | P | 232 | 21.2676 | 115 | 0.04 | 100 |
IV.MMO1.EHZ. | 2020-04-20T17:38:54.84 | 0.1 | undecidable | manual | P | 18 | 20.868 | 116 | -0.03 | 100 |
IV.SMA1.EHZ. | 2020-04-20T17:38:53.63 | 0.1 | undecidable | manual | P | 144 | 12.3765 | 129 | 0.21 | 98 |
IV.MTRA.EHE. | 2020-04-20T17:38:53.59 | 0.3 | undecidable | manual | P | 72 | 12.9759 | 128 | 0.09 | 75 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:0.8 | 0.000056149999999999996 | 1.68 | AML | other | m | 2020-04-20T17:38:56.07 |
IV.NRCA.HHE. | ML:1.1 | 0.00010449999999999999 | 0.18 | AML | other | m | 2020-04-20T17:38:57.07 |
IV.RM33.EHN. | ML:0.8 | 0.000041700000000000004 | 0.16 | AML | other | m | 2020-04-20T17:38:59.29 |
IV.RM33.EHE. | ML:0.7 | 0.000031700000000000005 | 0.1 | AML | other | m | 2020-04-20T17:38:59.59 |
IV.SMA1.EHE. | ML:0.4 | 0.000025901824999999998 | 1.1008 | AML | other | m | 2020-04-20T17:38:56.58 |
IV.SMA1.EHN. | ML:0.4 | 0.00002269149 | 0.256 | AML | other | m | 2020-04-20T17:38:56.08 |
IV.NRCA.HNE. | ML:1.2 | 0.00013284135 | 1.9072 | AML | other | m | 2020-04-20T17:38:57.85 |