A magnitude ML 1.4 earthquake occured in region: 4 km W Amatrice (RI), on
and geographic coordinates (lat, lon) 42.6300, 13.2380 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 |
---|---|---|---|---|
Amatrice | RI | 4 | 2657 | 2657 |
Cittareale | RI | 6 | 482 | 3139 |
Accumoli | RI | 7 | 667 | 3806 |
Montereale | AQ | 12 | 2581 | 6387 |
Capitignano | AQ | 13 | 665 | 7052 |
Campotosto | AQ | 14 | 542 | 7594 |
Borbona | RI | 16 | 617 | 8211 |
Posta | RI | 17 | 694 | 8905 |
Arquata del Tronto | AP | 17 | 1178 | 10083 |
Cagnano Amiterno | AQ | 19 | 1369 | 11452 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.4 | 2020-08-20 16:32:54 |
42.6305 | 13.2375 | 12 | 2020-08-20 16:37:37 |
Sala Sismica INGV-Roma | 82178051 |
Field | Value |
---|---|
Time (UTC) | 2020-08-20 16:32:54 ± 0.11 |
Latitude | 42.6305 ± 0.0072 |
Longitude | 13.2375 ± 0.0086 |
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 | 82178051 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 654 |
Semi-minor axis of confidence ellipse (meter) | 556 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 145 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 650.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 96 |
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) | 0.24 |
Epicentral distance of station closest to the epicenter (degree) | 0.03327 |
Epicentral distance of station farthest from the epicenter (degree) | 0.28329 |
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 | 1.4 |
Uncertainty | 0.3 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 82178051 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-08-20 16:37:37 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MC2.EHZ. | 2020-08-20T16:33:06.67 | 0.6 | undecidable | manual | S | 353 | 31.4463 | 94 | 1.03 | 35 |
IV.MMO1.EHZ. | 2020-08-20T16:33:05.52 | 0.6 | undecidable | manual | S | 14 | 30.6471 | 94 | 0.07 | 48 |
IV.TERO.HHZ. | 2020-08-20T16:33:04.78 | 0.6 | undecidable | manual | S | 92 | 29.9478 | 94 | -0.46 | 44 |
IV.NRCA.HHZ. | 2020-08-20T16:33:03.44 | 0.6 | undecidable | manual | S | 336 | 24.6531 | 96 | -0.4 | 45 |
IV.TERO.HHZ. | 2020-08-20T16:33:01.17 | 0.3 | undecidable | manual | P | 92 | 29.9478 | 94 | 0.35 | 68 |
IV.MTRA.EHZ. | 2020-08-20T16:33:01.99 | 0.6 | undecidable | manual | S | 43 | 19.0698 | 101 | -0.38 | 46 |
IV.LNSS.HNN. | 2020-08-20T16:33:01.47 | 0.6 | undecidable | manual | S | 259 | 16.3725 | 107 | -0.2 | 48 |
IV.MC2.EHZ. | 2020-08-20T16:33:01.31 | 1.0 | undecidable | manual | P | 353 | 31.4463 | 94 | 0.26 | 23 |
IV.RM33.EHZ. | 2020-08-20T16:33:00.92 | 0.6 | undecidable | manual | S | 188 | 13.5753 | 115 | -0.06 | 50 |
IV.MMO1.EHZ. | 2020-08-20T16:33:00.81 | 0.1 | undecidable | manual | P | 14 | 30.6471 | 94 | -0.13 | 94 |
IV.MTRA.EHZ. | 2020-08-20T16:32:59.11 | 0.1 | undecidable | manual | P | 43 | 19.0698 | 101 | -0.06 | 98 |
IV.SMA1.EHZ. | 2020-08-20T16:32:59.87 | 0.6 | undecidable | manual | S | 90 | 7.9809 | 137 | 0.11 | 49 |
IV.NRCA.HHZ. | 2020-08-20T16:32:59.98 | 0.3 | negative | manual | P | 336 | 24.6531 | 96 | -0.04 | 73 |
IV.LNSS.HNN. | 2020-08-20T16:32:58.79 | 0.1 | undecidable | manual | P | 259 | 16.3725 | 107 | 0.03 | 99 |
IV.RM33.EHZ. | 2020-08-20T16:32:58.45 | 0.1 | undecidable | manual | P | 188 | 13.5753 | 115 | 0.09 | 98 |
IV.T1299.HNZ. | 2020-08-20T16:32:58.80 | 0.6 | undecidable | manual | S | 84 | 3.6963 | 159 | -0.35 | 48 |
IV.T1299.HNZ. | 2020-08-20T16:32:57.38 | 0.1 | undecidable | manual | P | 84 | 3.6963 | 159 | 0.07 | 100 |
IV.SMA1.EHZ. | 2020-08-20T16:32:57.85 | 0.3 | undecidable | manual | P | 90 | 7.9809 | 137 | 0.19 | 73 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.SMA1.EHE. | ML:1.6 | 0.00044099999999999993 | 0.32 | AML | other | m | 2020-08-20T16:33:00.07 |
IV.SMA1.EHN. | ML:1.5 | 0.0003815 | 0.28 | AML | other | m | 2020-08-20T16:33:00.21 |
IV.RM33.EHN. | ML:1.0 | 0.0001064 | 0.24 | AML | other | m | 2020-08-20T16:33:01.08 |
IV.RM33.EHE. | ML:1.1 | 0.0001135 | 0.54 | AML | other | m | 2020-08-20T16:33:01.47 |
IV.MTRA.EHN. | ML:1.3 | 0.0001555 | 1.14 | AML | other | m | 2020-08-20T16:33:02.25 |
IV.MTRA.HNN. | ML:1.5 | 0.0002175 | 1.14 | AML | other | m | 2020-08-20T16:33:02.82 |
IV.MTRA.HNE. | ML:1.5 | 0.000245 | 1.18 | AML | other | m | 2020-08-20T16:33:02.97 |
IV.MTRA.EHE. | ML:1.4 | 0.00020500000000000002 | 1.18 | AML | other | m | 2020-08-20T16:33:02.97 |
IV.NRCA.HHN. | ML:1.4 | 0.0001485 | 0.1 | AML | other | m | 2020-08-20T16:33:03.56 |
IV.NRCA.HHE. | ML:1.8 | 0.0003415 | 0.16 | AML | other | m | 2020-08-20T16:33:03.71 |
IV.TERO.HHN. | ML:0.8 | 0.0000312 | 1.74 | AML | other | m | 2020-08-20T16:33:06.98 |
IV.TERO.HHE. | ML:0.7 | 0.00002315 | 1.18 | AML | other | m | 2020-08-20T16:33:09.27 |