A magnitude ML 0.5 earthquake occured in region: 5 km E Accumoli (RI), on
and geographic coordinates (lat, lon) 42.7060, 13.3040 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 |
Arquata del Tronto | AP | 8 | 1178 | 1845 |
Amatrice | RI | 9 | 2657 | 4502 |
Acquasanta Terme | AP | 11 | 2916 | 7418 |
Cittareale | RI | 15 | 482 | 7900 |
Montegallo | AP | 15 | 523 | 8423 |
Valle Castellana | TE | 16 | 977 | 9400 |
Campotosto | AQ | 17 | 542 | 9942 |
Rocca Santa Maria | TE | 18 | 537 | 10479 |
Cortino | TE | 19 | 656 | 11135 |
Norcia | PG | 20 | 4957 | 16092 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.5 | 2021-04-19 19:13:55 |
42.7065 | 13.3037 | 13 | 2021-04-19 19:22:14 |
Sala Sismica INGV-Roma | 89267951 |
Field | Value |
---|---|
Time (UTC) | 2021-04-19 19:13:55 ± 0.11 |
Latitude | 42.7065 ± 0.0027 |
Longitude | 13.3037 ± 0.0049 |
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 | 89267951 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 448 |
Semi-minor axis of confidence ellipse (meter) | 117 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 294 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 450.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 70 |
Number of associated phases, regardless of their use for origin computation | 18 |
Number of defining phases | 16 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.15 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.23562 |
Number of stations at which the event was observed | 9 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 0.5 |
Uncertainty | 0.3 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 89267951 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-04-19 19:22:14 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CSP1.EHZ. | 2021-04-19T19:14:08.63 | 3.0 | undecidable | manual | S | 0 | ||||
IV.LNSS.HHZ. | 2021-04-19T19:14:04.16 | 0.3 | undecidable | manual | S | 242 | 24.3534 | 100 | -0.1 | 74 |
IV.TERO.HHZ. | 2021-04-19T19:14:04.44 | 0.6 | undecidable | manual | S | 111 | 26.1516 | 98 | -0.31 | 47 |
IV.CSP1.EHZ. | 2021-04-19T19:14:03.42 | 3.0 | undecidable | manual | P | 0 | ||||
IV.RM33.EHZ. | 2021-04-19T19:14:03.91 | 0.6 | undecidable | manual | S | 198 | 23.0547 | 101 | -0.02 | 50 |
IV.NRCA.HHZ. | 2021-04-19T19:14:03.12 | 0.3 | undecidable | manual | S | 312 | 20.868 | 103 | -0.24 | 72 |
IV.MMO1.EHZ. | 2021-04-19T19:14:03.59 | 0.3 | undecidable | manual | S | 5 | 21.4674 | 102 | 0.09 | 74 |
IV.SMA1.EHZ. | 2021-04-19T19:14:00.15 | 0.6 | undecidable | manual | S | 163 | 8.7801 | 136 | -0.36 | 47 |
IV.MMO1.EHZ. | 2021-04-19T19:14:00.12 | 0.6 | positive | manual | P | 5 | 21.4674 | 102 | 0.1 | 49 |
IV.MTRA.EHZ. | 2021-04-19T19:14:00.53 | 0.3 | undecidable | manual | S | 54 | 9.3795 | 134 | -0.09 | 75 |
IV.RM33.EHZ. | 2021-04-19T19:14:00.23 | 0.1 | undecidable | manual | P | 198 | 23.0547 | 101 | -0.04 | 100 |
IV.LNSS.HHZ. | 2021-04-19T19:14:00.49 | 0.1 | undecidable | manual | P | 242 | 24.3534 | 100 | 0.04 | 99 |
IV.TERO.HHZ. | 2021-04-19T19:14:00.59 | 1.0 | undecidable | manual | P | 111 | 26.1516 | 98 | -0.14 | 24 |
IV.T1299.HNZ. | 2021-04-19T19:14:00.49 | 0.3 | undecidable | manual | S | 192 | 8.1807 | 139 | 0.09 | 76 |
IV.NRCA.HHZ. | 2021-04-19T19:13:59.87 | 0.6 | undecidable | manual | P | 312 | 20.868 | 103 | -0.06 | 50 |
IV.T1299.HNZ. | 2021-04-19T19:13:58.47 | 0.1 | undecidable | manual | P | 192 | 8.1807 | 139 | 0.24 | 98 |
IV.SMA1.EHZ. | 2021-04-19T19:13:58.46 | 0.6 | positive | manual | P | 163 | 8.7801 | 136 | 0.17 | 49 |
IV.MTRA.EHZ. | 2021-04-19T19:13:58.51 | 0.1 | undecidable | manual | P | 54 | 9.3795 | 134 | 0.15 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MTRA.EHE. | ML:0.7 | 0.0000593 | 0.98 | AML | other | m | 2021-04-19T19:14:00.59 |
IV.MTRA.EHN. | ML:0.8 | 0.0000639 | 0.4 | AML | other | m | 2021-04-19T19:14:00.78 |
IV.NRCA.HHE. | ML:1.0 | 0.0000649 | 0.18 | AML | other | m | 2021-04-19T19:14:03.33 |
IV.NRCA.HHN. | ML:0.9 | 0.000050900000000000004 | 1.22 | AML | other | m | 2021-04-19T19:14:03.32 |
IV.TERO.HHE. | ML:0.3 | 0.000010665 | 0.08 | AML | other | m | 2021-04-19T19:14:04.65 |
IV.TERO.HHN. | ML:0.4 | 0.0000136 | 1.42 | AML | other | m | 2021-04-19T19:14:05.91 |
IV.SMA1.EHE. | ML:0.1 | 0.000014170622500000001 | 0.1536 | AML | other | m | 2021-04-19T19:14:00.77 |
IV.SMA1.EHN. | ML:0.2 | 0.000021543435 | 0.2048 | AML | other | m | 2021-04-19T19:14:00.61 |
IV.RM33.EHE. | ML:0.4 | 0.000017339115 | 0.2304 | AML | other | m | 2021-04-19T19:14:04.52 |
IV.RM33.EHN. | ML:0.4 | 0.000013329507000000001 | 0.1024 | AML | other | m | 2021-04-19T19:14:04.37 |