A magnitude ML 1.2 earthquake occured in region: 3 km SE Arquata del Tronto (AP), on
and geographic coordinates (lat, lon) 42.7450, 13.3150 at 12 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 |
---|---|---|---|---|
Arquata del Tronto | AP | 4 | 1178 | 1178 |
Accumoli | RI | 8 | 667 | 1845 |
Acquasanta Terme | AP | 8 | 2916 | 4761 |
Montegallo | AP | 11 | 523 | 5284 |
Amatrice | RI | 13 | 2657 | 7941 |
Valle Castellana | TE | 15 | 977 | 8918 |
Montemonaco | AP | 17 | 604 | 9522 |
Roccafluvione | AP | 19 | 2010 | 11532 |
Rocca Santa Maria | TE | 19 | 537 | 12069 |
Norcia | PG | 19 | 4957 | 17026 |
Cittareale | RI | 19 | 482 | 17508 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.2 | 2020-04-14 20:40:03 |
42.7448 | 13.3147 | 12 | 2020-04-14 20:48:34 |
Sala Sismica INGV-Roma | 78211161 |
Field | Value |
---|---|
Time (UTC) | 2020-04-14 20:40:03 ± 0.07 |
Latitude | 42.7448 ± 0.0036 |
Longitude | 13.3147 ± 0.0073 |
Depth (km) | 12 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 78211161 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 619 |
Semi-minor axis of confidence ellipse (meter) | 109 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 267 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 620.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 104 |
Number of associated phases, regardless of their use for origin computation | 18 |
Number of defining phases | 18 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.23 |
Epicentral distance of station closest to the epicenter (degree) | 0.06115 |
Epicentral distance of station farthest from the epicenter (degree) | 0.26530 |
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 | 1.2 |
Uncertainty | 0.2 |
Num. used stations | 11 |
Type of magnitude | ML |
Reference to an origin | 78211161 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-04-14 20:48:34 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MF5.EHZ. | 2020-04-14T20:40:14.57 | 0.3 | undecidable | manual | S | 24 | 29.4483 | 94 | 0.67 | 63 |
IV.TERO.HHZ. | 2020-04-14T20:40:13.19 | 0.3 | undecidable | manual | S | 120 | 27.1506 | 95 | -0.12 | 72 |
IV.RM33.EHZ. | 2020-04-14T20:40:13.64 | 0.3 | undecidable | manual | S | 197 | 27.4503 | 95 | 0.28 | 68 |
IV.CAMP.HHZ. | 2020-04-14T20:40:12.32 | 0.3 | undecidable | manual | S | 162 | 24.4533 | 96 | -0.25 | 71 |
IV.MMO1.EHZ. | 2020-04-14T20:40:10.47 | 0.3 | undecidable | manual | S | 3 | 17.1717 | 104 | -0.19 | 71 |
IV.NRCA.HHZ. | 2020-04-14T20:40:10.94 | 0.3 | undecidable | manual | S | 301 | 19.0698 | 100 | -0.21 | 70 |
IV.SMA1.EHZ. | 2020-04-14T20:40:09.36 | 0.3 | undecidable | manual | S | 172 | 12.7761 | 116 | -0.2 | 73 |
IV.RM33.EHZ. | 2020-04-14T20:40:09.21 | 0.1 | undecidable | manual | P | 197 | 27.4503 | 95 | -0.02 | 97 |
IV.T1299.HNZ. | 2020-04-14T20:40:09.81 | 0.3 | undecidable | manual | S | 192 | 12.5763 | 117 | 0.31 | 69 |
IV.MF5.EHZ. | 2020-04-14T20:40:09.72 | 0.1 | undecidable | manual | P | 24 | 29.4483 | 94 | 0.18 | 94 |
IV.MTRA.EHZ. | 2020-04-14T20:40:08.21 | 0.3 | undecidable | manual | S | 79 | 6.7932 | 142 | -0.11 | 74 |
IV.TERO.HHZ. | 2020-04-14T20:40:08.90 | 0.1 | undecidable | manual | P | 120 | 27.1506 | 95 | -0.3 | 92 |
IV.CAMP.HHZ. | 2020-04-14T20:40:08.64 | 0.3 | undecidable | manual | P | 162 | 24.4533 | 96 | -0.13 | 72 |
IV.NRCA.HHZ. | 2020-04-14T20:40:07.81 | 0.1 | undecidable | manual | P | 301 | 19.0698 | 100 | -0.14 | 96 |
IV.T1299.HNZ. | 2020-04-14T20:40:07.22 | 0.1 | undecidable | manual | P | 192 | 12.5763 | 117 | 0.22 | 95 |
IV.MMO1.EHZ. | 2020-04-14T20:40:07.54 | 0.1 | undecidable | manual | P | 3 | 17.1717 | 104 | -0.13 | 96 |
IV.SMA1.EHZ. | 2020-04-14T20:40:07.12 | 0.1 | undecidable | manual | P | 172 | 12.7761 | 116 | 0.09 | 98 |
IV.MTRA.EHZ. | 2020-04-14T20:40:06.36 | 0.1 | undecidable | manual | P | 79 | 6.7932 | 142 | 0.04 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MTRA.EHE. | ML:1.1 | 0.00017563825 | 0.192 | AML | other | m | 2020-04-14T20:40:08.42 |
IV.MTRA.EHN. | ML:1.2 | 0.00019573114999999998 | 0.1152 | AML | other | m | 2020-04-14T20:40:08.31 |
IV.MTRA.HNE. | ML:1.1 | 0.00017592645000000001 | 0.1536 | AML | other | m | 2020-04-14T20:40:08.56 |
IV.MTRA.HNN. | ML:1.2 | 0.00018669835000000002 | 0.1152 | AML | other | m | 2020-04-14T20:40:08.31 |
IV.SMA1.EHE. | ML:1.3 | 0.00018885659999999998 | 0.1024 | AML | other | m | 2020-04-14T20:40:09.72 |
IV.SMA1.EHN. | ML:1.2 | 0.000151067985 | 0.1408 | AML | other | m | 2020-04-14T20:40:09.66 |
IV.NRCA.HNE. | ML:1.3 | 0.000141306135 | 0.0768 | AML | other | m | 2020-04-14T20:40:11.14 |
IV.NRCA.HHE. | ML:1.3 | 0.00015911634999999998 | 0.0896 | AML | other | m | 2020-04-14T20:40:11.13 |
IV.NRCA.HHN. | ML:1.2 | 0.00012786355 | 0.1664 | AML | other | m | 2020-04-14T20:40:11.39 |
IV.RM33.EHE. | ML:0.8 | 0.000027535024999999998 | 0.064 | AML | other | m | 2020-04-14T20:40:14.09 |
IV.RM33.EHN. | ML:0.8 | 0.000037386459999999996 | 0 | AML | other | m | 2020-04-14T20:40:13.96 |