A magnitude ML 1.2 earthquake occured in region: 4 km W Accumoli (RI), on
and geographic coordinates (lat, lon) 42.6920, 13.2010 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 |
---|---|---|---|---|
Accumoli | RI | 4 | 667 | 667 |
Cittareale | RI | 9 | 482 | 1149 |
Amatrice | RI | 10 | 2657 | 3806 |
Arquata del Tronto | AP | 12 | 1178 | 4984 |
Norcia | PG | 14 | 4957 | 9941 |
Cascia | PG | 16 | 3217 | 13158 |
Montereale | AQ | 19 | 2581 | 15739 |
Acquasanta Terme | AP | 19 | 2916 | 18655 |
Montegallo | AP | 20 | 523 | 19178 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.2 | 2021-04-07 06:57:16 |
42.6915 | 13.2012 | 14 | 2021-04-07 07:03:40 |
Sala Sismica INGV-Roma | 88872191 |
Field | Value |
---|---|
Time (UTC) | 2021-04-07 06:57:16 ± 0.08 |
Latitude | 42.6915 ± 0.0045 |
Longitude | 13.2012 ± 0.0049 |
Depth (km) | 14 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 88872191 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 463 |
Semi-minor axis of confidence ellipse (meter) | 170 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 157 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 460.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 68 |
Number of associated phases, regardless of their use for origin computation | 26 |
Number of defining phases | 14 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.19 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.30397 |
Number of stations at which the event was observed | 20 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.2 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 88872191 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-04-07 07:03:40 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ORI.HHZ. | 2021-04-07T06:59:09.04 | 3.0 | undecidable | manual | Sg | 15.33 | 0 | |||
IV.CADC.EHZ. | 2021-04-07T06:58:54.27 | 3.0 | undecidable | manual | Sn | 4.27 | 0 | |||
IT.LNT.HGZ. | 2021-04-07T06:58:39.82 | 3.0 | undecidable | manual | Pn | 1.94 | 0 | |||
IV.GIZZ.HHZ. | 2021-04-07T06:58:29.46 | 3.0 | positive | manual | Pg | 8.23 | 0 | |||
IV.EUCT.HNZ. | 2021-04-07T06:58:23.97 | 3.0 | negative | manual | Pg | 10.75 | 0 | |||
IV.SPS2.HHZ. | 2021-04-07T06:58:21.44 | 3.0 | positive | manual | Pn | 3.06 | 0 | |||
GU.CANO.HHZ. | 2021-04-07T06:58:17.79 | 3.0 | positive | manual | Pn | 3.74 | 0 | |||
IV.TREG.EHZ. | 2021-04-07T06:58:02.44 | 3.0 | undecidable | manual | Pn | -1.53 | 0 | |||
MN.TRI.HHZ. | 2021-04-07T06:58:00.32 | 3.0 | undecidable | manual | Pn | -1.85 | 0 | |||
IV.VTIR.HHZ. | 2021-04-07T06:57:52.33 | 3.0 | positive | manual | Pg | 2.12 | 0 | |||
IV.FIR.HHZ. | 2021-04-07T06:57:44.02 | 3.0 | undecidable | manual | Pn | -0.7 | 0 | |||
IV.CSNT.HHZ. | 2021-04-07T06:57:41.82 | 3.0 | undecidable | manual | Pn | -0.4 | 0 | |||
IV.TERO.HHZ. | 2021-04-07T06:57:27.71 | 0.1 | undecidable | manual | S | 103 | 33.744 | 98 | -0.23 | 94 |
IV.GAVE.EHZ. | 2021-04-07T06:57:25.43 | 0.3 | undecidable | manual | S | 270 | 25.0527 | 103 | -0.22 | 71 |
IV.RM33.EHZ. | 2021-04-07T06:57:24.40 | 0.1 | undecidable | manual | S | 177 | 20.2686 | 108 | -0.03 | 99 |
IV.LNSS.HHZ. | 2021-04-07T06:57:23.34 | 0.1 | undecidable | manual | S | 233 | 16.3725 | 116 | -0.13 | 97 |
IV.NRCA.HHZ. | 2021-04-07T06:57:23.46 | 0.3 | undecidable | manual | S | 336 | 17.2716 | 114 | -0.22 | 72 |
IV.TERO.HHZ. | 2021-04-07T06:57:23.10 | 0.6 | undecidable | manual | P | 103 | 33.744 | 98 | 0.02 | 49 |
IV.MTRA.EHE. | 2021-04-07T06:57:23.51 | 0.3 | undecidable | manual | S | 66 | 17.4714 | 114 | -0.23 | 72 |
IV.MC2.EHN. | 2021-04-07T06:57:22.08 | 0.6 | undecidable | manual | P | 358 | 24.4533 | 103 | 0.42 | 46 |
IV.RM33.EHZ. | 2021-04-07T06:57:21.17 | 0.3 | undecidable | manual | P | 177 | 20.2686 | 108 | 0.12 | 74 |
IV.GAVE.EHZ. | 2021-04-07T06:57:21.89 | 0.1 | undecidable | manual | P | 270 | 25.0527 | 103 | 0.14 | 98 |
IV.SMA1.EHZ. | 2021-04-07T06:57:20.38 | 0.6 | undecidable | manual | P | 122 | 12.876 | 125 | 0.35 | 47 |
IV.MTRA.EHE. | 2021-04-07T06:57:20.75 | 0.1 | undecidable | manual | P | 66 | 17.4714 | 114 | 0.1 | 99 |
IV.LNSS.HHZ. | 2021-04-07T06:57:20.61 | 0.3 | positive | manual | P | 233 | 16.3725 | 116 | 0.11 | 75 |
IV.NRCA.HHZ. | 2021-04-07T06:57:20.69 | 0.1 | negative | manual | P | 336 | 17.2716 | 114 | 0.07 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHE. | ML:1.2 | 0.00013209999999999999 | 0.88 | AML | other | m | 2021-04-07T06:57:23.65 |
IV.LNSS.HHN. | ML:1.4 | 0.0001825 | 0.18 | AML | other | m | 2021-04-07T06:57:23.79 |
IV.NRCA.HHN. | ML:1.0 | 0.00007280000000000001 | 1 | AML | other | m | 2021-04-07T06:57:23.95 |
IV.LNSS.HHE. | ML:1.2 | 0.0001315 | 0.88 | AML | other | m | 2021-04-07T06:57:24.20 |