A magnitude ML 0.6 earthquake occured in region: 8 km E Accumoli (RI), on
and geographic coordinates (lat, lon) 42.6960, 13.3410 at 13 km depth.
The earthquake was located by: Bollettino Sismico Italiano INGV.
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 | 8 | 667 | 667 |
Amatrice | RI | 8 | 2657 | 3324 |
Arquata del Tronto | AP | 9 | 1178 | 4502 |
Acquasanta Terme | AP | 10 | 2916 | 7418 |
Valle Castellana | TE | 14 | 977 | 8395 |
Rocca Santa Maria | TE | 15 | 537 | 8932 |
Campotosto | AQ | 16 | 542 | 9474 |
Cortino | TE | 16 | 656 | 10130 |
Montegallo | AP | 16 | 523 | 10653 |
Cittareale | RI | 17 | 482 | 11135 |
Capitignano | AQ | 20 | 665 | 11800 |
Crognaleto | TE | 20 | 1297 | 13097 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 0.6 | 2021-04-18 23:08:43 |
42.6958 | 13.3407 | 13 | 2021-07-12 16:55:12 |
Bollettino Sismico Italiano INGV | 90327431 |
Field | Value |
---|---|
Time (UTC) | 2021-04-18 23:08:43 ± 0.07 |
Latitude | 42.6958 ± 0.0027 |
Longitude | 13.3407 ± 0.0049 |
Depth (km) | 13 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 90327431 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 385 |
Semi-minor axis of confidence ellipse (meter) | 103 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 93 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 390.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 77 |
Number of associated phases, regardless of their use for origin computation | 22 |
Number of defining phases | 22 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.18 |
Epicentral distance of station closest to the epicenter (degree) | 0.06565 |
Epicentral distance of station farthest from the epicenter (degree) | 0.30487 |
Number of stations at which the event was observed | 11 |
Number of stations from which data was used for origin computation | 11 |
Field | Value |
---|---|
Value | 0.6 |
Uncertainty | 0.2 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 90327431 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-05-21 11:32:13 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MF5.EHN. | 2021-04-18T23:08:54.97 | 0.6 | undecidable | manual | S | 17 | 33.8439 | 95 | 0.33 | 46 |
IV.MC2.EHZ. | 2021-04-18T23:08:52.75 | 0.6 | undecidable | manual | S | 333 | 26.9508 | 97 | -0.06 | 49 |
IV.LNSS.HNZ. | 2021-04-18T23:08:52.48 | 0.6 | undecidable | manual | S | 247 | 26.5512 | 97 | -0.25 | 47 |
IV.TERO.HHZ. | 2021-04-18T23:08:51.64 | 0.6 | undecidable | manual | S | 111 | 22.9548 | 100 | -0.12 | 49 |
IV.MMO1.EHZ. | 2021-04-18T23:08:51.68 | 0.3 | undecidable | manual | S | 357 | 22.5552 | 100 | 0.01 | 75 |
IV.RM33.EHZ. | 2021-04-18T23:08:51.75 | 0.3 | undecidable | manual | S | 206 | 23.1546 | 100 | -0.07 | 74 |
IV.NRCA.HHZ. | 2021-04-18T23:08:51.63 | 0.3 | undecidable | manual | S | 310 | 23.9538 | 99 | -0.39 | 69 |
IV.CAMP.HHZ. | 2021-04-18T23:08:50.29 | 0.6 | undecidable | manual | S | 163 | 18.5703 | 105 | -0.34 | 47 |
IV.LNSS.HNZ. | 2021-04-18T23:08:49.08 | 0.1 | undecidable | manual | P | 247 | 26.5512 | 97 | 0.4 | 92 |
IV.MF5.EHN. | 2021-04-18T23:08:49.54 | 0.6 | undecidable | manual | P | 17 | 33.8439 | 95 | -0.24 | 47 |
IV.RM33.EHZ. | 2021-04-18T23:08:48.17 | 0.3 | undecidable | manual | P | 206 | 23.1546 | 100 | 0.02 | 75 |
IV.NRCA.HHZ. | 2021-04-18T23:08:48.13 | 0.3 | undecidable | manual | P | 310 | 23.9538 | 99 | -0.14 | 73 |
IV.MTRA.HNZ. | 2021-04-18T23:08:48.17 | 0.3 | undecidable | manual | S | 34 | 8.1807 | 138 | -0.06 | 75 |
IV.TERO.HHZ. | 2021-04-18T23:08:48.12 | 0.3 | undecidable | manual | P | 111 | 22.9548 | 100 | 0 | 75 |
IV.MC2.EHZ. | 2021-04-18T23:08:48.76 | 0.3 | undecidable | manual | P | 333 | 26.9508 | 97 | 0.03 | 74 |
IV.MMO1.EHZ. | 2021-04-18T23:08:48.07 | 0.3 | undecidable | manual | P | 357 | 22.5552 | 100 | 0 | 75 |
IV.T1299.HNZ. | 2021-04-18T23:08:48.42 | 0.3 | undecidable | manual | S | 215 | 8.3805 | 138 | 0.15 | 76 |
IV.CAMP.HHZ. | 2021-04-18T23:08:47.41 | 0.1 | undecidable | manual | P | 163 | 18.5703 | 105 | -0.06 | 100 |
IV.SMA1.EHZ. | 2021-04-18T23:08:47.85 | 0.3 | undecidable | manual | S | 183 | 7.2927 | 142 | -0.24 | 72 |
IV.SMA1.EHZ. | 2021-04-18T23:08:46.20 | 0.1 | undecidable | manual | P | 183 | 7.2927 | 142 | 0.21 | 99 |
IV.T1299.HNZ. | 2021-04-18T23:08:46.24 | 0.3 | undecidable | manual | P | 215 | 8.3805 | 138 | 0.14 | 75 |
IV.MTRA.HNZ. | 2021-04-18T23:08:46.24 | 0.1 | undecidable | manual | P | 34 | 8.1807 | 138 | 0.16 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.SMA1.EHN. | ML:0.8 | 0.0000819 | 0.12 | AML | other | m | 2021-04-18T23:08:48.21 |
IV.SMA1.EHE. | ML:0.7 | 0.000053599999999999995 | 0.1 | AML | other | m | 2021-04-18T23:08:48.32 |
IV.TERO.HHE. | ML:0.4 | 0.000012750000000000002 | 1.18 | AML | other | m | 2021-04-18T23:08:51.11 |
IV.NRCA.HHN. | ML:0.5 | 0.00001915 | 1.14 | AML | other | m | 2021-04-18T23:08:51.79 |
IV.TERO.HHN. | ML:0.5 | 0.00001795 | 1.54 | AML | other | m | 2021-04-18T23:08:52.94 |
IV.NRCA.HHE. | ML:0.7 | 0.00003135 | 0.12 | AML | other | m | 2021-04-18T23:08:52.47 |