A magnitude ML 1.2 earthquake occured in region: 5 km NW Amatrice (RI), on
and geographic coordinates (lat, lon) 42.6520, 13.2380 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 |
---|---|---|---|---|
Amatrice | RI | 5 | 2657 | 2657 |
Accumoli | RI | 5 | 667 | 3324 |
Cittareale | RI | 7 | 482 | 3806 |
Montereale | AQ | 14 | 2581 | 6387 |
Arquata del Tronto | AP | 14 | 1178 | 7565 |
Campotosto | AQ | 15 | 542 | 8107 |
Capitignano | AQ | 16 | 665 | 8772 |
Borbona | RI | 18 | 617 | 9389 |
Posta | RI | 18 | 694 | 10083 |
Acquasanta Terme | AP | 19 | 2916 | 12999 |
Norcia | PG | 20 | 4957 | 17956 |
Cascia | PG | 20 | 3217 | 21173 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.2 | 2021-10-20 06:28:12 |
42.6523 | 13.2383 | 14 | 2021-10-20 06:35:11 |
Sala Sismica INGV-Roma | 96789951 |
Field | Value |
---|---|
Time (UTC) | 2021-10-20 06:28:12 ± 0.2 |
Latitude | 42.6523 ± 0.0081 |
Longitude | 13.2383 ± 0.0061 |
Depth (km) | 14 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 96789951 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 844 |
Semi-minor axis of confidence ellipse (meter) | 243 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 173 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 840.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 113 |
Number of associated phases, regardless of their use for origin computation | 35 |
Number of defining phases | 11 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.22 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.48563 |
Number of stations at which the event was observed | 30 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.4 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 96789951 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-10-20 06:35:11 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ALJA.HHZ. | 2021-10-20T06:30:09.48 | 3.0 | undecidable | manual | Sn | -9.99 | 0 | |||
IV.MNTV.EHZ. | 2021-10-20T06:29:52.66 | 3.0 | undecidable | manual | Sg | 8.46 | 0 | |||
HL.VLS.HHZ. | 2021-10-20T06:29:51.40 | 3.0 | undecidable | manual | Pn | -2.35 | 0 | |||
IV.ZEN8.EHZ. | 2021-10-20T06:29:51.10 | 3.0 | undecidable | manual | Sn | -3.41 | 0 | |||
GU.GRAM.HHZ. | 2021-10-20T06:29:50.96 | 3.0 | undecidable | manual | Sg | 9.22 | 0 | |||
IV.CADC.EHZ. | 2021-10-20T06:29:49.32 | 3.0 | undecidable | manual | Sn | -7.87 | 0 | |||
IV.SENA.HHZ. | 2021-10-20T06:29:49.32 | 3.0 | undecidable | manual | Sn | -4.42 | 0 | |||
GU.FIVI.HNZ. | 2021-10-20T06:29:39.02 | 3.0 | undecidable | manual | Sg | 1.75 | 0 | |||
IV.RAFF.HHZ. | 2021-10-20T06:29:34.21 | 3.0 | undecidable | manual | Pn | 2.78 | 0 | |||
SI.ROSI.HHZ. | 2021-10-20T06:29:29.58 | 3.0 | negative | manual | Pg | 7.48 | 0 | |||
IV.ERC.EHZ. | 2021-10-20T06:29:28.99 | 3.0 | negative | manual | Pg | 8.61 | 0 | |||
IV.SELL.HHZ. | 2021-10-20T06:29:27.43 | 3.0 | negative | manual | Pg | 10.64 | 0 | |||
IV.MTMR.EHZ. | 2021-10-20T06:29:19.09 | 3.0 | undecidable | manual | Sg | 6.97 | 0 | |||
IV.SARZ.HNZ. | 2021-10-20T06:29:17.01 | 3.0 | undecidable | manual | Pn | 2.98 | 0 | |||
IV.FIR.HHZ. | 2021-10-20T06:29:13.24 | 3.0 | undecidable | manual | Sg | -1.23 | 0 | |||
OT.OT14.EHZ. | 2021-10-20T06:29:07.83 | 3.0 | undecidable | manual | Sn | -2.96 | 0 | |||
IV.VENL.EHZ. | 2021-10-20T06:29:04.95 | 3.0 | negative | manual | Pg | 5.41 | 0 | |||
IV.RAVA.EHZ. | 2021-10-20T06:29:03.91 | 3.0 | positive | manual | Pg | 6.93 | 0 | |||
IT.FIE.HGZ. | 2021-10-20T06:29:02.72 | 3.0 | undecidable | manual | Sn | -9.99 | 0 | |||
OT.OT17.EHZ. | 2021-10-20T06:29:02.36 | 3.0 | undecidable | manual | Sn | -1.72 | 0 | |||
MN.TRI.HHZ. | 2021-10-20T06:28:56.57 | 3.0 | negative | manual | Pn | -5.6 | 0 | |||
IV.RNI2.HHZ. | 2021-10-20T06:28:44.44 | 3.0 | undecidable | manual | S | -1.59 | 0 | |||
IV.PE3.EHZ. | 2021-10-20T06:28:32.13 | 3.0 | undecidable | manual | P | -5.11 | 0 | |||
IV.ARVD.HHZ. | 2021-10-20T06:28:29.98 | 3.0 | positive | manual | P | -2.49 | 0 | |||
IV.TERO.HHZ. | 2021-10-20T06:28:23.00 | 0.6 | undecidable | manual | S | 96 | 30.0477 | 100 | -0.01 | 50 |
IV.GAVE.EHZ. | 2021-10-20T06:28:22.40 | 0.6 | undecidable | manual | S | 279 | 28.4493 | 101 | -0.2 | 47 |
IV.MNTT.EHZ. | 2021-10-20T06:28:21.77 | 0.3 | negative | manual | P | 32 | 53.9016 | 94 | -0.46 | 65 |
IV.LNSS.HHZ. | 2021-10-20T06:28:19.60 | 0.6 | undecidable | manual | S | 251 | 17.0718 | 115 | -0.1 | 49 |
IV.RM33.EHZ. | 2021-10-20T06:28:19.20 | 0.3 | undecidable | manual | S | 187 | 16.0728 | 117 | -0.25 | 71 |
IV.TERO.HHZ. | 2021-10-20T06:28:18.64 | 1.0 | undecidable | manual | P | 96 | 30.0477 | 100 | 0.08 | 24 |
IV.GAVE.EHZ. | 2021-10-20T06:28:18.60 | 1.0 | negative | manual | P | 279 | 28.4493 | 101 | 0.28 | 24 |
IV.SMA1.EHZ. | 2021-10-20T06:28:17.70 | 0.6 | undecidable | manual | S | 107 | 8.2806 | 142 | -0.14 | 50 |
IV.RM33.EHZ. | 2021-10-20T06:28:16.65 | 0.1 | undecidable | manual | P | 187 | 16.0728 | 117 | 0.15 | 100 |
IV.LNSS.HHZ. | 2021-10-20T06:28:16.86 | 0.1 | positive | manual | P | 251 | 17.0718 | 115 | 0.21 | 98 |
IV.SMA1.EHZ. | 2021-10-20T06:28:15.84 | 0.1 | negative | manual | P | 107 | 8.2806 | 142 | 0.26 | 98 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.SMA1.EHE. | ML:1.4 | 0.00027100000000000003 | 0.28 | AML | other | m | 2021-10-20T06:28:18.23 |
IV.SMA1.EHN. | ML:1.0 | 0.00009900000000000001 | 0.44 | AML | other | m | 2021-10-20T06:28:18.77 |
IV.LNSS.HHN. | ML:0.9 | 0.00005935 | 0.42 | AML | other | m | 2021-10-20T06:28:19.73 |
IV.LNSS.HHE. | ML:0.9 | 0.0000655 | 0.14 | AML | other | m | 2021-10-20T06:28:19.77 |
IV.MNTT.EHN. | ML:2.1 | 0.00028050000000000004 | 0.42 | AML | other | m | 2021-10-20T06:28:30.59 |
IV.MNTT.EHE. | ML:2.3 | 0.000468 | 0.5 | AML | other | m | 2021-10-20T06:28:30.30 |
IV.GAVE.EHE. | ML:1.1 | 0.00005465000000000001 | 0.2 | AML | other | m | 2021-10-20T06:28:36.81 |
IV.GAVE.EHN. | ML:1.1 | 0.000060899999999999996 | 0.52 | AML | other | m | 2021-10-20T06:28:36.64 |