A magnitude ML 0.8 earthquake occured in region: 4 km E Accumoli (RI), on
and geographic coordinates (lat, lon) 42.6810, 13.3000 at 13 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 | 5 | 667 | 667 |
Amatrice | RI | 6 | 2657 | 3324 |
Arquata del Tronto | AP | 10 | 1178 | 4502 |
Cittareale | RI | 13 | 482 | 4984 |
Acquasanta Terme | AP | 13 | 2916 | 7900 |
Campotosto | AQ | 15 | 542 | 8442 |
Valle Castellana | TE | 17 | 977 | 9419 |
Capitignano | AQ | 18 | 665 | 10084 |
Montereale | AQ | 18 | 2581 | 12665 |
Montegallo | AP | 18 | 523 | 13188 |
Cortino | TE | 18 | 656 | 13844 |
Rocca Santa Maria | TE | 19 | 537 | 14381 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.8 | 2021-05-18 19:04:38 |
42.6813 | 13.2997 | 13 | 2021-05-18 19:10:06 |
Sala Sismica INGV-Roma | 90238841 |
Field | Value |
---|---|
Time (UTC) | 2021-05-18 19:04:38 ± 0.07 |
Latitude | 42.6813 ± 0.0036 |
Longitude | 13.2997 ± 0.0061 |
Depth (km) | 13 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 90238841 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 391 |
Semi-minor axis of confidence ellipse (meter) | 371 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 119 |
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) | 118 |
Number of associated phases, regardless of their use for origin computation | 24 |
Number of defining phases | 12 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.16 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.23113 |
Number of stations at which the event was observed | 17 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 0.8 |
Uncertainty | 0.2 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 90238841 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-05-18 19:10:06 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ERC.EHZ. | 2021-05-18T19:06:17.09 | 3.0 | undecidable | manual | Sn | -3.73 | 0 | |||
OT.TAR1.HHZ. | 2021-05-18T19:06:07.13 | 3.0 | undecidable | manual | Sn | -0.14 | 0 | |||
IV.EUCT.HNZ. | 2021-05-18T19:05:44.67 | 3.0 | negative | manual | Pg | 14.22 | 0 | |||
OT.TAR1.HHZ. | 2021-05-18T19:05:41.10 | 3.0 | undecidable | manual | Pg | 16.139999 | 0 | |||
IV.SARZ.HHZ. | 2021-05-18T19:05:33.01 | 3.0 | negative | manual | Pn | 4.09 | 0 | |||
IV.BRSN.EHZ. | 2021-05-18T19:05:29.75 | 3.0 | undecidable | manual | Sn | -0.27 | 0 | |||
IV.SCHR.EHZ. | 2021-05-18T19:05:26.18 | 3.0 | undecidable | manual | Pg | 8.93 | 0 | |||
IV.CPGN.EHZ. | 2021-05-18T19:05:17.40 | 3.0 | undecidable | manual | Sn | -0.09 | 0 | |||
IV.MNTV.EHZ. | 2021-05-18T19:05:16.89 | 3.0 | positive | manual | Pn | -3.18 | 0 | |||
IV.VVLD.HHZ. | 2021-05-18T19:04:47.45 | 3.0 | undecidable | manual | P | 4.45 | 0 | |||
IV.MMO1.EHZ. | 2021-05-18T19:04:47.74 | 0.3 | undecidable | manual | S | 5 | 24.2535 | 99 | 0.1 | 73 |
IV.TERO.HHZ. | 2021-05-18T19:04:47.78 | 0.3 | undecidable | manual | S | 105 | 25.6521 | 98 | -0.22 | 71 |
IV.RM33.HNZ. | 2021-05-18T19:04:46.48 | 0.3 | undecidable | manual | S | 200 | 20.3685 | 102 | -0.12 | 73 |
IV.NRCA.HHZ. | 2021-05-18T19:04:46.93 | 0.3 | undecidable | manual | S | 318 | 22.6551 | 100 | -0.28 | 71 |
IV.TERO.HHZ. | 2021-05-18T19:04:44.03 | 0.1 | undecidable | manual | P | 105 | 25.6521 | 98 | -0.02 | 99 |
IV.MTRA.EHZ. | 2021-05-18T19:04:44.27 | 0.3 | undecidable | manual | S | 43 | 11.4774 | 125 | -0.15 | 75 |
IV.SMA1.EHZ. | 2021-05-18T19:04:43.34 | 0.3 | undecidable | manual | S | 153 | 6.3936 | 146 | -0.11 | 76 |
IV.RM33.HNZ. | 2021-05-18T19:04:43.37 | 0.1 | undecidable | manual | P | 200 | 20.3685 | 102 | 0.12 | 98 |
IV.NRCA.HHZ. | 2021-05-18T19:04:43.61 | 0.1 | undecidable | manual | P | 318 | 22.6551 | 100 | 0.01 | 100 |
IV.MMO1.EHZ. | 2021-05-18T19:04:43.95 | 0.1 | undecidable | manual | P | 5 | 24.2535 | 99 | 0.11 | 98 |
IV.LAV9.HNZ. | 2021-05-18T19:04:42.87 | 3.0 | negative | manual | P | -0.19 | 0 | |||
IV.SAMA.EHZ. | 2021-05-18T19:04:42.14 | 3.0 | undecidable | manual | P | -0.14 | 0 | |||
IV.MTRA.EHZ. | 2021-05-18T19:04:42.14 | 0.1 | undecidable | manual | P | 43 | 11.4774 | 125 | 0.15 | 99 |
IV.SMA1.EHZ. | 2021-05-18T19:04:41.63 | 0.1 | negative | manual | P | 153 | 6.3936 | 146 | 0.2 | 99 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.SMA1.EHN. | ML:1.1 | 0.000144 | 0.28 | AML | other | m | 2021-05-18T19:04:43.40 |
IV.SMA1.EHE. | ML:1.0 | 0.000114 | 0.12 | AML | other | m | 2021-05-18T19:04:43.46 |
IV.MTRA.EHN. | ML:1.0 | 0.00009114999999999999 | 0.52 | AML | other | m | 2021-05-18T19:04:44.33 |
IV.MTRA.EHE. | ML:1.0 | 0.00009800000000000001 | 0.52 | AML | other | m | 2021-05-18T19:04:44.61 |
IV.RM33.EHE. | ML:0.6 | 0.000024149999999999997 | 0.98 | AML | other | m | 2021-05-18T19:04:47.20 |
IV.NRCA.HHN. | ML:0.6 | 0.00002265 | 0.44 | AML | other | m | 2021-05-18T19:04:47.86 |
IV.RM33.EHN. | ML:0.6 | 0.000024149999999999997 | 1.2 | AML | other | m | 2021-05-18T19:04:47.65 |
IV.NRCA.HHE. | ML:0.8 | 0.000037199999999999996 | 1 | AML | other | m | 2021-05-18T19:04:47.18 |