A magnitude ML 1.0 earthquake occured in region: 4 km SW Amatrice (RI), on
and geographic coordinates (lat, lon) 42.6010, 13.2580 at 11 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 | 4 | 2657 | 2657 |
Cittareale | RI | 8 | 482 | 3139 |
Montereale | AQ | 9 | 2581 | 5720 |
Capitignano | AQ | 10 | 665 | 6385 |
Campotosto | AQ | 10 | 542 | 6927 |
Accumoli | RI | 11 | 667 | 7594 |
Borbona | RI | 14 | 617 | 8211 |
Posta | RI | 16 | 694 | 8905 |
Cagnano Amiterno | AQ | 16 | 1369 | 10274 |
Barete | AQ | 17 | 737 | 11011 |
Pizzoli | AQ | 19 | 4326 | 15337 |
Crognaleto | TE | 19 | 1297 | 16634 |
Arquata del Tronto | AP | 20 | 1178 | 17812 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.0 | 2021-07-17 21:42:01 |
42.6008 | 13.2583 | 11 | 2021-07-17 21:53:02 |
Sala Sismica INGV-Roma | 92887511 |
Field | Value |
---|---|
Time (UTC) | 2021-07-17 21:42:01 ± 0.06 |
Latitude | 42.6008 ± 0.0036 |
Longitude | 13.2583 ± 0.0037 |
Depth (km) | 11 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 92887511 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 429 |
Semi-minor axis of confidence ellipse (meter) | 340 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 178 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 430.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 79 |
Number of associated phases, regardless of their use for origin computation | 18 |
Number of defining phases | 18 |
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) | 0.03777 |
Epicentral distance of station farthest from the epicenter (degree) | 0.36333 |
Number of stations at which the event was observed | 10 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.1 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 92887511 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-07-17 21:53:02 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MMO1.EHZ. | 2021-07-17T21:42:13.18 | 0.6 | undecidable | manual | S | 10 | 33.5442 | 50 | 0.11 | 47 |
IV.TERO.HHZ. | 2021-07-17T21:42:11.50 | 0.6 | undecidable | manual | S | 85 | 28.3494 | 50 | -0.16 | 46 |
IV.NRCA.HHZ. | 2021-07-17T21:42:11.28 | 0.6 | undecidable | manual | S | 336 | 28.3494 | 50 | -0.39 | 42 |
IV.MTRA.EHZ. | 2021-07-17T21:42:09.26 | 0.6 | undecidable | manual | S | 33 | 20.6682 | 50 | -0.35 | 44 |
IV.ARRO.EHZ. | 2021-07-17T21:42:09.27 | 1.0 | positive | manual | P | 267 | 40.3263 | 50 | 0.02 | 23 |
IV.MMO1.EHZ. | 2021-07-17T21:42:08.37 | 0.6 | undecidable | manual | P | 10 | 33.5442 | 50 | 0.15 | 47 |
IV.LNSS.HHZ. | 2021-07-17T21:42:08.75 | 0.6 | undecidable | manual | S | 271 | 17.7711 | 121 | -0.08 | 48 |
IV.TERO.HHZ. | 2021-07-17T21:42:07.48 | 0.3 | undecidable | manual | P | 85 | 28.3494 | 50 | 0.07 | 72 |
IV.NRCA.HHZ. | 2021-07-17T21:42:07.60 | 0.6 | negative | manual | P | 336 | 28.3494 | 50 | 0.19 | 48 |
IV.CAMP.HHZ. | 2021-07-17T21:42:07.57 | 0.6 | undecidable | manual | S | 120 | 14.2746 | 127 | -0.24 | 48 |
IV.MTRA.EHZ. | 2021-07-17T21:42:06.23 | 0.3 | positive | manual | P | 33 | 20.6682 | 50 | 0 | 72 |
IV.RM33.EHZ. | 2021-07-17T21:42:06.66 | 0.6 | undecidable | manual | S | 199 | 10.7781 | 135 | -0.25 | 48 |
IV.SMA1.EHN. | 2021-07-17T21:42:06.22 | 0.6 | undecidable | manual | S | 62 | 7.0929 | 147 | 0.13 | 49 |
IV.LNSS.HHZ. | 2021-07-17T21:42:05.83 | 0.1 | positive | manual | P | 271 | 17.7711 | 121 | 0.06 | 98 |
IV.CAMP.HHZ. | 2021-07-17T21:42:05.24 | 0.1 | undecidable | manual | P | 120 | 14.2746 | 127 | 0.06 | 97 |
IV.SMA1.EHN. | 2021-07-17T21:42:04.52 | 0.1 | undecidable | manual | P | 62 | 7.0929 | 147 | 0.34 | 93 |
IV.RM33.EHZ. | 2021-07-17T21:42:04.74 | 1.0 | undecidable | manual | P | 199 | 10.7781 | 135 | 0.08 | 24 |
IV.T1299.HNN. | 2021-07-17T21:42:03.88 | 0.1 | undecidable | manual | P | 28 | 4.1958 | 159 | -0.04 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.RM33.EHN. | ML:1.0 | 0.00012134999999999998 | 0.62 | AML | other | m | 2021-07-17T21:42:07.43 |
IV.RM33.EHE. | ML:0.9 | 0.00008715 | 0.7 | AML | other | m | 2021-07-17T21:42:07.11 |
IV.LNSS.HHE. | ML:0.8 | 0.000054149999999999995 | 0.72 | AML | other | m | 2021-07-17T21:42:08.47 |
IV.MTRA.EHN. | ML:1.1 | 0.00009620000000000001 | 0.42 | AML | other | m | 2021-07-17T21:42:09.39 |
IV.LNSS.HHN. | ML:0.9 | 0.00005995 | 1.56 | AML | other | m | 2021-07-17T21:42:09.04 |
IV.MTRA.EHE. | ML:1.0 | 0.00007364999999999999 | 1.48 | AML | other | m | 2021-07-17T21:42:09.25 |
IV.NRCA.HHN. | ML:1.0 | 0.0000459 | 0.14 | AML | other | m | 2021-07-17T21:42:15.09 |
IV.NRCA.HHE. | ML:0.9 | 0.00003945 | 0.1 | AML | other | m | 2021-07-17T21:42:15.21 |