A magnitude ML 0.6 earthquake occured in region: 5 km NE Cittareale (RI), on
and geographic coordinates (lat, lon) 42.6510, 13.2000 at 13 km depth.
The earthquake was located by: Bollettino Sismico Italiano INGV.
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 |
Accumoli | RI | 6 | 667 | 1149 |
Amatrice | RI | 8 | 2657 | 3806 |
Montereale | AQ | 15 | 2581 | 6387 |
Arquata del Tronto | AP | 16 | 1178 | 7565 |
Borbona | RI | 16 | 617 | 8182 |
Posta | RI | 16 | 694 | 8876 |
Capitignano | AQ | 17 | 665 | 9541 |
Cascia | PG | 17 | 3217 | 12758 |
Campotosto | AQ | 17 | 542 | 13300 |
Norcia | PG | 18 | 4957 | 18257 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 0.6 | 2021-10-20 01:46:58 |
42.6513 | 13.2003 | 13 | 2022-03-30 13:04:37 |
Bollettino Sismico Italiano INGV | 101052351 |
Reviewed Rev100 |
ML 0.7 | 2021-10-20 01:46:57 |
42.7602 | 13.1767 | 1 | 2021-10-20 01:55:04 |
Sala Sismica INGV-Roma | 96780211 |
Field | Value |
---|---|
Time (UTC) | 2021-10-20 01:46:58 ± 0.08 |
Latitude | 42.6513 ± 0.0036 |
Longitude | 13.2003 ± 0.0037 |
Depth (km) | 13 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 101052351 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 389 |
Semi-minor axis of confidence ellipse (meter) | 152 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 351 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 390.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 121 |
Number of associated phases, regardless of their use for origin computation | 14 |
Number of defining phases | 12 |
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) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.22843 |
Number of stations at which the event was observed | 8 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 0.7 |
Uncertainty | 0.1 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 96780211 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-10-20 01:55:04 |
Field | Value |
---|---|
Value | 0.6 |
Uncertainty | 0.1 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 101052351 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2022-02-16 15:47:16 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.FIR.HHZ. | 2021-10-20T01:47:38.50 | 3.0 | undecidable | manual | Sg | -0.17 | 0 | |||
IV.PAOL.HHZ. | 2021-10-20T01:47:29.11 | 3.0 | undecidable | manual | Pn | 0.65 | 0 | |||
IV.GAVE.EHN. | 2021-10-20T01:47:08.00 | 0.6 | undecidable | manual | S | 280 | 25.3524 | 98 | 0.19 | 48 |
IV.NRCA.HHZ. | 2021-10-20T01:47:06.67 | 0.3 | undecidable | manual | S | 341 | 21.3675 | 102 | -0.1 | 74 |
IV.RM33.EHZ. | 2021-10-20T01:47:05.16 | 0.3 | undecidable | manual | S | 176 | 15.873 | 112 | -0.18 | 72 |
IV.SMA1.EHZ. | 2021-10-20T01:47:04.27 | 0.3 | undecidable | manual | S | 102 | 11.2776 | 126 | 0 | 76 |
IV.LNSS.HHZ. | 2021-10-20T01:47:04.99 | 0.3 | undecidable | manual | S | 248 | 14.1747 | 116 | 0.06 | 75 |
IV.T1299.EHE. | 2021-10-20T01:47:03.29 | 0.3 | undecidable | manual | S | 106 | 6.993 | 144 | -0.16 | 75 |
IV.NRCA.HHZ. | 2021-10-20T01:47:03.37 | 0.3 | undecidable | manual | P | 341 | 21.3675 | 102 | 0.08 | 74 |
IV.GAVE.EHN. | 2021-10-20T01:47:03.54 | 0.3 | undecidable | manual | P | 280 | 25.3524 | 98 | -0.36 | 68 |
IV.RM33.EHZ. | 2021-10-20T01:47:02.51 | 0.3 | undecidable | manual | P | 176 | 15.873 | 112 | 0.04 | 75 |
IV.LNSS.HHZ. | 2021-10-20T01:47:02.35 | 0.3 | undecidable | manual | P | 248 | 14.1747 | 116 | 0.12 | 74 |
IV.T1299.EHE. | 2021-10-20T01:47:01.48 | 0.1 | undecidable | manual | P | 106 | 6.993 | 144 | 0.1 | 100 |
IV.SMA1.EHZ. | 2021-10-20T01:47:01.99 | 0.1 | undecidable | manual | P | 102 | 11.2776 | 126 | 0.14 | 99 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.SMA1.EHN. | ML:0.7 | 0.00004910000000000001 | 0.16 | AML | other | m | 2021-10-20T01:47:04.69 |
IV.SMA1.EHE. | ML:0.5 | 0.00003455 | 0.14 | AML | other | m | 2021-10-20T01:47:04.69 |
IV.NRCA.HHE. | ML:0.7 | 0.000034250000000000006 | 1.86 | AML | other | m | 2021-10-20T01:47:06.96 |
IV.NRCA.HHN. | ML:0.5 | 0.0000206 | 0.42 | AML | other | m | 2021-10-20T01:47:06.76 |