A magnitude ML 1.0 earthquake occured in region: 5 km E Amatrice (RI), on
and geographic coordinates (lat, lon) 42.6440, 13.3420 at 15 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 | 10 | 667 | 3324 |
Campotosto | AQ | 10 | 542 | 3866 |
Cortino | TE | 14 | 656 | 4522 |
Capitignano | AQ | 14 | 665 | 5187 |
Arquata del Tronto | AP | 15 | 1178 | 6365 |
Cittareale | RI | 15 | 482 | 6847 |
Acquasanta Terme | AP | 15 | 2916 | 9763 |
Montereale | AQ | 15 | 2581 | 12344 |
Crognaleto | TE | 16 | 1297 | 13641 |
Rocca Santa Maria | TE | 16 | 537 | 14178 |
Valle Castellana | TE | 16 | 977 | 15155 |
Fano Adriano | TE | 19 | 296 | 15451 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.0 | 2020-08-12 09:40:12 |
42.644 | 13.3422 | 15 | 2020-08-12 09:49:10 |
Sala Sismica INGV-Roma | 81902421 |
Field | Value |
---|---|
Time (UTC) | 2020-08-12 09:40:12 ± 0.08 |
Latitude | 42.6440 ± 0.0036 |
Longitude | 13.3422 ± 0.0037 |
Depth (km) | 15 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 81902421 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 340 |
Semi-minor axis of confidence ellipse (meter) | 254 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 174 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 340.0 |
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 | 19 |
Number of defining phases | 12 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.13 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.25541 |
Number of stations at which the event was observed | 13 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.1 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 81902421 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-08-12 09:49:10 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MIGL.HHZ. | 2020-08-12T09:41:19.29 | 3.0 | undecidable | manual | Sn | 0.89 | 0 | |||
IV.MCRV.HHZ. | 2020-08-12T09:41:11.98 | 3.0 | undecidable | manual | Sg | 11.04 | 0 | |||
IV.ARVD.HHZ. | 2020-08-12T09:40:28.72 | 3.0 | undecidable | manual | Pg | 3.43 | 0 | |||
IV.VIVA.HHZ. | 2020-08-12T09:40:25.36 | 3.0 | positive | manual | Pn | 1.26 | 0 | |||
IV.GIGS.HHE. | 2020-08-12T09:40:23.00 | 0.6 | undecidable | manual | S | 138 | 28.3494 | 103 | -0.03 | 50 |
IV.GIUL.HHZ. | 2020-08-12T09:40:22.44 | 3.0 | negative | manual | Pn | -1.11 | 0 | |||
IV.LNSS.HNN. | 2020-08-12T09:40:22.24 | 0.3 | undecidable | manual | S | 260 | 25.0527 | 106 | 0.06 | 75 |
IV.NRCA.HHZ. | 2020-08-12T09:40:22.87 | 0.6 | undecidable | manual | S | 319 | 28.0497 | 103 | -0.09 | 50 |
IV.FIAM.HHZ. | 2020-08-12T09:40:22.02 | 3.0 | negative | manual | Pg | 3.18 | 0 | |||
IV.SRES.HHZ. | 2020-08-12T09:40:21.46 | 3.0 | positive | manual | P | -1.73 | 0 | |||
IV.TERO.HHZ. | 2020-08-12T09:40:21.18 | 0.6 | undecidable | manual | S | 96 | 21.4674 | 110 | -0.1 | 50 |
IV.RM33.EHZ. | 2020-08-12T09:40:20.31 | 0.6 | undecidable | manual | S | 215 | 18.2706 | 116 | -0.17 | 50 |
IV.MTRA.EHZ. | 2020-08-12T09:40:19.25 | 0.6 | undecidable | manual | S | 20 | 13.2756 | 128 | -0.1 | 51 |
IV.NRCA.HHZ. | 2020-08-12T09:40:18.49 | 0.1 | undecidable | manual | P | 319 | 28.0497 | 103 | -0.22 | 98 |
IV.GIGS.HHE. | 2020-08-12T09:40:18.66 | 0.1 | undecidable | manual | P | 138 | 28.3494 | 103 | -0.09 | 99 |
IV.LNSS.HNN. | 2020-08-12T09:40:18.32 | 0.1 | undecidable | manual | P | 260 | 25.0527 | 106 | 0.06 | 100 |
IV.RM33.EHZ. | 2020-08-12T09:40:17.37 | 0.3 | positive | manual | P | 215 | 18.2706 | 116 | 0.1 | 75 |
IV.TERO.HHZ. | 2020-08-12T09:40:17.86 | 0.1 | undecidable | manual | P | 96 | 21.4674 | 110 | 0.12 | 100 |
IV.MTRA.EHZ. | 2020-08-12T09:40:16.82 | 0.1 | undecidable | manual | P | 20 | 13.2756 | 128 | 0.2 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MTRA.EHN. | ML:1.2 | 0.00011899999999999999 | 0.5 | AML | other | m | 2020-08-12T09:40:19.33 |
IV.MTRA.EHE. | ML:1.0 | 0.00007685 | 0.16 | AML | other | m | 2020-08-12T09:40:19.76 |
IV.RM33.EHN. | ML:1.0 | 0.00006409999999999999 | 0.16 | AML | other | m | 2020-08-12T09:40:20.57 |
IV.RM33.EHE. | ML:0.9 | 0.000052699999999999993 | 1.38 | AML | other | m | 2020-08-12T09:40:21.78 |
IV.TERO.HHE. | ML:0.8 | 0.0000421 | 0.42 | AML | other | m | 2020-08-12T09:40:21.38 |
IV.TERO.HHN. | ML:1.0 | 0.00006510000000000001 | 0.84 | AML | other | m | 2020-08-12T09:40:21.94 |
IV.NRCA.HHE. | ML:1.1 | 0.00005690000000000001 | 0.16 | AML | other | m | 2020-08-12T09:40:23.20 |
IV.NRCA.HHN. | ML:0.9 | 0.000038650000000000004 | 0.12 | AML | other | m | 2020-08-12T09:40:24.34 |