A magnitude ML 0.5 earthquake occured in region: 5 km NE Amatrice (RI), on
and geographic coordinates (lat, lon) 42.6590, 13.3340 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 |
---|---|---|---|---|
Amatrice | RI | 5 | 2657 | 2657 |
Accumoli | RI | 8 | 667 | 3324 |
Campotosto | AQ | 12 | 542 | 3866 |
Arquata del Tronto | AP | 13 | 1178 | 5044 |
Acquasanta Terme | AP | 14 | 2916 | 7960 |
Cortino | TE | 15 | 656 | 8616 |
Cittareale | RI | 15 | 482 | 9098 |
Capitignano | AQ | 16 | 665 | 9763 |
Valle Castellana | TE | 16 | 977 | 10740 |
Rocca Santa Maria | TE | 16 | 537 | 11277 |
Montereale | AQ | 17 | 2581 | 13858 |
Crognaleto | TE | 17 | 1297 | 15155 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.5 | 2023-04-21 00:28:34 |
42.659 | 13.3338 | 14 | 2023-04-21 00:37:27 |
Sala Sismica INGV-Roma | 116561221 |
Field | Value |
---|---|
Time (UTC) | 2023-04-21 00:28:34 ± 0.04 |
Latitude | 42.6590 ± 0.0018 |
Longitude | 13.3338 ± 0.0037 |
Depth (km) | 14 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 116561221 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 280 |
Semi-minor axis of confidence ellipse (meter) | 15 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 275 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 280.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 78 |
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) | 0.12 |
Epicentral distance of station closest to the epicenter (degree) | 0.02878 |
Epicentral distance of station farthest from the epicenter (degree) | 0.24012 |
Number of stations at which the event was observed | 10 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 0.5 |
Uncertainty | 0.2 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 116561221 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-04-21 00:37:27 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MMO1.EHZ. | 2023-04-21T00:28:44.01 | 0.1 | undecidable | manual | S | 359 | 26.6511 | 100 | 0.1 | 94 |
7F.SIB1.EHZ. | 2023-04-21T00:28:44.03 | 0.1 | undecidable | manual | S | 349 | 26.6511 | 100 | 0.12 | 94 |
7F.SIB3.EHZ. | 2023-04-21T00:28:43.18 | 0.1 | undecidable | manual | S | 348 | 24.5532 | 101 | -0.17 | 94 |
IV.LNSS.HHZ. | 2023-04-21T00:28:43.39 | 0.3 | undecidable | manual | S | 256 | 24.753 | 101 | -0.02 | 72 |
IV.NRCA.HHZ. | 2023-04-21T00:28:43.68 | 0.1 | undecidable | manual | S | 317 | 26.3514 | 100 | -0.15 | 94 |
7F.SIB2.EHZ. | 2023-04-21T00:28:43.66 | 0.1 | undecidable | manual | S | 355 | 25.8519 | 100 | -0.04 | 96 |
IV.TERO.HHZ. | 2023-04-21T00:28:42.62 | 0.1 | undecidable | manual | S | 100 | 22.3554 | 104 | -0.18 | 93 |
IV.RM33.EHZ. | 2023-04-21T00:28:41.92 | 0.1 | undecidable | manual | S | 210 | 19.2696 | 108 | -0.08 | 96 |
IV.MTRA.HNZ. | 2023-04-21T00:28:40.20 | 0.3 | undecidable | manual | S | 25 | 11.9769 | 126 | -0.05 | 74 |
7F.SIB1.EHZ. | 2023-04-21T00:28:40.02 | 0.1 | undecidable | manual | P | 349 | 26.6511 | 100 | 0.18 | 93 |
IV.TERO.HHZ. | 2023-04-21T00:28:39.26 | 0.1 | undecidable | manual | P | 100 | 22.3554 | 104 | 0.06 | 96 |
IV.LNSS.HHZ. | 2023-04-21T00:28:39.55 | 0.3 | undecidable | manual | P | 256 | 24.753 | 101 | 0 | 72 |
IV.NRCA.HHZ. | 2023-04-21T00:28:39.72 | 0.1 | undecidable | manual | P | 317 | 26.3514 | 100 | -0.08 | 95 |
7F.SIB2.EHZ. | 2023-04-21T00:28:39.75 | 0.1 | undecidable | manual | P | 355 | 25.8519 | 100 | 0.03 | 96 |
IV.MMO1.EHZ. | 2023-04-21T00:28:39.98 | 0.1 | undecidable | manual | P | 359 | 26.6511 | 100 | 0.14 | 94 |
7F.SIB3.EHZ. | 2023-04-21T00:28:39.54 | 0.1 | undecidable | manual | P | 348 | 24.5532 | 101 | 0.02 | 96 |
IV.SMA1.EHZ. | 2023-04-21T00:28:38.83 | 0.1 | undecidable | manual | S | 178 | 3.1968 | 164 | -0.06 | 100 |
IV.RM33.EHZ. | 2023-04-21T00:28:38.84 | 0.1 | undecidable | manual | P | 210 | 19.2696 | 108 | 0.1 | 96 |
IV.SMA1.EHZ. | 2023-04-21T00:28:37.08 | 0.1 | undecidable | manual | P | 178 | 3.1968 | 164 | 0.14 | 97 |
IV.MTRA.HNZ. | 2023-04-21T00:28:37.59 | 0.3 | undecidable | manual | P | 25 | 11.9769 | 126 | -0.14 | 72 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.SMA1.EHN. | ML:0.4 | 0.0000368 | 1.46 | AML | other | m | 2023-04-21T00:28:39.03 |
IV.SMA1.EHE. | ML:0.3 | 0.00002505 | 1.24 | AML | other | m | 2023-04-21T00:28:39.33 |
IV.RM33.EHN. | ML:0.8 | 0.00003765 | 0.3 | AML | other | m | 2023-04-21T00:28:42.08 |
IV.RM33.EHE. | ML:0.6 | 0.00002665 | 0.2 | AML | other | m | 2023-04-21T00:28:42.49 |
IV.TERO.HHN. | ML:0.7 | 0.000028149999999999996 | 0.08 | AML | other | m | 2023-04-21T00:28:42.71 |
IV.TERO.HHE. | ML:0.4 | 0.000014100000000000002 | 0.28 | AML | other | m | 2023-04-21T00:28:42.71 |
IV.NRCA.HHE. | ML:0.5 | 0.0000156820525 | 0.1 | AML | other | m | 2023-04-21T00:28:43.98 |
IV.NRCA.HHN. | ML:0.3 | 0.000007931451 | 0.54 | AML | other | m | 2023-04-21T00:28:44.04 |