A magnitude ML 1.0 earthquake occured in region: 5 km E Cittareale (RI), on
and geographic coordinates (lat, lon) 42.6370, 13.2140 at 8 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 |
---|---|---|---|---|
Cittareale | RI | 5 | 482 | 482 |
Amatrice | RI | 6 | 2657 | 3139 |
Accumoli | RI | 7 | 667 | 3806 |
Montereale | AQ | 13 | 2581 | 6387 |
Capitignano | AQ | 15 | 665 | 7052 |
Borbona | RI | 15 | 617 | 7669 |
Campotosto | AQ | 16 | 542 | 8211 |
Posta | RI | 16 | 694 | 8905 |
Arquata del Tronto | AP | 17 | 1178 | 10083 |
Cascia | PG | 19 | 3217 | 13300 |
Cagnano Amiterno | AQ | 20 | 1369 | 14669 |
Norcia | PG | 20 | 4957 | 19626 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.0 | 2020-08-18 18:35:48 |
42.6372 | 13.2142 | 8 | 2020-08-18 18:42:08 |
Sala Sismica INGV-Roma | 82121611 |
Field | Value |
---|---|
Time (UTC) | 2020-08-18 18:35:48 ± 0.13 |
Latitude | 42.6372 ± 0.0054 |
Longitude | 13.2142 ± 0.0073 |
Depth (km) | 8 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 82121611 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 495 |
Semi-minor axis of confidence ellipse (meter) | 472 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 255 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 490.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 86 |
Number of associated phases, regardless of their use for origin computation | 21 |
Number of defining phases | 14 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.27 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.27429 |
Number of stations at which the event was observed | 14 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.2 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 82121611 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-08-18 18:42:08 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IT.FIE.HGZ. | 2020-08-18T18:36:42.38 | 3.0 | undecidable | manual | Sn | 0.58 | 0 | |||
IV.ROSPO.HHZ. | 2020-08-18T18:36:09.90 | 3.0 | positive | manual | P | -0.51 | 0 | |||
IV.APEC.HHZ. | 2020-08-18T18:36:09.20 | 3.0 | undecidable | manual | P | 1.44 | 0 | |||
IV.ASSB.HHZ. | 2020-08-18T18:36:08.81 | 3.0 | undecidable | manual | S | -0.38 | 0 | |||
IV.MC2.EHE. | 2020-08-18T18:35:59.36 | 0.6 | undecidable | manual | S | 356 | 30.4473 | 105 | 0.37 | 44 |
IV.NRCA.HHZ. | 2020-08-18T18:35:56.46 | 0.1 | undecidable | manual | S | 340 | 23.2545 | 110 | -0.14 | 95 |
IV.MTRA.EHZ. | 2020-08-18T18:35:55.12 | 0.1 | undecidable | manual | S | 48 | 19.869 | 113 | -0.4 | 92 |
IV.ARRO.EHZ. | 2020-08-18T18:35:55.00 | 3.0 | negative | manual | P | 0.05 | 0 | |||
IV.MC2.EHE. | 2020-08-18T18:35:54.66 | 0.1 | undecidable | manual | P | 356 | 30.4473 | 105 | 0.3 | 90 |
IV.LNSS.HHZ. | 2020-08-18T18:35:54.05 | 0.3 | undecidable | manual | S | 255 | 14.6742 | 120 | 0.16 | 76 |
IV.RM33.EHZ. | 2020-08-18T18:35:53.36 | 0.1 | undecidable | manual | S | 180 | 14.2746 | 120 | -0.39 | 95 |
IV.GAVE.EHZ. | 2020-08-18T18:35:53.44 | 3.0 | negative | manual | P | -0.01 | 0 | |||
IV.TERO.HHZ. | 2020-08-18T18:35:53.44 | 3.0 | undecidable | manual | P | -0.12 | 0 | |||
IV.SMA1.EHZ. | 2020-08-18T18:35:52.74 | 0.1 | undecidable | manual | S | 94 | 9.879 | 130 | 0.22 | 100 |
IV.MTRA.EHZ. | 2020-08-18T18:35:52.17 | 0.1 | positive | manual | P | 48 | 19.869 | 113 | -0.18 | 98 |
IV.NRCA.HHZ. | 2020-08-18T18:35:52.87 | 0.1 | undecidable | manual | P | 340 | 23.2545 | 110 | -0.11 | 98 |
IV.LNSS.HHZ. | 2020-08-18T18:35:51.52 | 0.1 | undecidable | manual | P | 255 | 14.6742 | 120 | 0.11 | 99 |
IV.T1299.EHZ. | 2020-08-18T18:35:51.73 | 0.3 | undecidable | manual | S | 93 | 5.5944 | 146 | 0.22 | 77 |
IV.RM33.EHZ. | 2020-08-18T18:35:51.14 | 0.1 | undecidable | manual | P | 180 | 14.2746 | 120 | -0.19 | 100 |
IV.T1299.EHZ. | 2020-08-18T18:35:50.24 | 0.1 | undecidable | manual | P | 93 | 5.5944 | 146 | 0.21 | 100 |
IV.SMA1.EHZ. | 2020-08-18T18:35:50.84 | 0.1 | positive | manual | P | 94 | 9.879 | 130 | 0.22 | 97 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.SMA1.EHN. | ML:0.9 | 0.00011549999999999999 | 0.12 | AML | other | m | 2020-08-18T18:35:52.84 |
IV.SMA1.EHE. | ML:1.4 | 0.0003145 | 1.78 | AML | other | m | 2020-08-18T18:35:53.05 |
IV.TERO.HHE. | ML:0.6 | 0.00002095 | 1.46 | AML | other | m | 2020-08-18T18:35:53.78 |
IV.RM33.EHE. | ML:0.9 | 0.00007994999999999999 | 0.12 | AML | other | m | 2020-08-18T18:35:53.90 |
IV.RM33.EHN. | ML:0.8 | 0.00006159999999999999 | 1.12 | AML | other | m | 2020-08-18T18:35:54.68 |
IV.LNSS.HHN. | ML:1.0 | 0.00010425 | 0.12 | AML | other | m | 2020-08-18T18:35:54.25 |
IV.LNSS.HHE. | ML:1.1 | 0.0001285 | 0.12 | AML | other | m | 2020-08-18T18:35:54.36 |
IV.MTRA.EHE. | ML:1.0 | 0.00007754999999999999 | 0.14 | AML | other | m | 2020-08-18T18:35:55.49 |
IV.MTRA.EHN. | ML:0.9 | 0.00006545 | 0.52 | AML | other | m | 2020-08-18T18:35:55.30 |
IV.NRCA.HHN. | ML:1.1 | 0.00008834999999999999 | 0.1 | AML | other | m | 2020-08-18T18:35:56.62 |
IV.NRCA.HHE. | ML:1.2 | 0.00010045000000000002 | 1 | AML | other | m | 2020-08-18T18:35:56.80 |
IV.TERO.HHN. | ML:0.7 | 0.00002485 | 0.6 | AML | other | m | 2020-08-18T18:36:00.31 |