A magnitude ML 0.9 earthquake occured in region: 7 km N Cittareale (RI), on
and geographic coordinates (lat, lon) 42.6830, 13.1490 at 12 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 | 7 | 482 | 482 |
Accumoli | RI | 8 | 667 | 1149 |
Cascia | PG | 12 | 3217 | 4366 |
Amatrice | RI | 13 | 2657 | 7023 |
Norcia | PG | 13 | 4957 | 11980 |
Arquata del Tronto | AP | 16 | 1178 | 13158 |
Monteleone di Spoleto | PG | 16 | 599 | 13757 |
Poggiodomo | PG | 18 | 117 | 13874 |
Posta | RI | 18 | 694 | 14568 |
Borbona | RI | 19 | 617 | 15185 |
Montereale | AQ | 19 | 2581 | 17766 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 0.9 | 2021-08-18 02:47:29 |
42.6828 | 13.149 | 12 | 2021-12-29 11:12:25 |
Bollettino Sismico Italiano INGV | 94954901 |
Reviewed Rev100 |
ML 1.4 | 2021-08-18 02:47:26 |
42.8182 | 13.112 | 5 | 2021-08-18 02:55:14 |
Sala Sismica INGV-Roma | 94317721 |
Field | Value |
---|---|
Time (UTC) | 2021-08-18 02:47:29 ± 0.06 |
Latitude | 42.6828 ± 0.0027 |
Longitude | 13.1490 ± 0.0037 |
Depth (km) | 12 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 94954901 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 280 |
Semi-minor axis of confidence ellipse (meter) | 72 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 14 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 280.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 61 |
Number of associated phases, regardless of their use for origin computation | 25 |
Number of defining phases | 25 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.15 |
Epicentral distance of station closest to the epicenter (degree) | 0.10972 |
Epicentral distance of station farthest from the epicenter (degree) | 0.50812 |
Number of stations at which the event was observed | 14 |
Number of stations from which data was used for origin computation | 14 |
Field | Value |
---|---|
Value | 1.4 |
Uncertainty | 0.3 |
Num. used stations | 14 |
Type of magnitude | ML |
Reference to an origin | 94317721 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-08-18 02:55:14 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.3 |
Num. used stations | 7 |
Type of magnitude | ML |
Reference to an origin | 94954901 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-09-02 10:02:39 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.FDMO.HHN. | 2021-08-18T02:47:42.15 | 0.3 | undecidable | manual | S | 353 | 39.5271 | 93 | -0.03 | 72 |
IV.TERO.HHZ. | 2021-08-18T02:47:41.47 | 0.3 | undecidable | manual | S | 100 | 37.7289 | 93 | -0.22 | 70 |
IV.ASSB.HHN. | 2021-08-18T02:47:39.70 | 0.6 | undecidable | manual | P | 315 | 56.3991 | 92 | 0.43 | 43 |
IV.MMO1.EHZ. | 2021-08-18T02:47:39.32 | 0.6 | undecidable | manual | S | 31 | 28.0497 | 95 | 0.21 | 47 |
IV.MOMA.HNZ. | 2021-08-18T02:47:38.44 | 0.3 | undecidable | manual | P | 286 | 49.0176 | 92 | 0.31 | 67 |
IV.MC2.EHZ. | 2021-08-18T02:47:38.54 | 0.3 | undecidable | manual | S | 7 | 25.5522 | 96 | 0.09 | 73 |
IV.MTRA.EHE. | 2021-08-18T02:47:37.24 | 0.6 | undecidable | manual | S | 68 | 21.7671 | 98 | -0.21 | 48 |
IV.GAVE.EHN. | 2021-08-18T02:47:37.11 | 0.3 | undecidable | manual | S | 273 | 20.7681 | 99 | -0.08 | 74 |
IV.CSP1.EHZ. | 2021-08-18T02:47:37.44 | 0.1 | undecidable | manual | P | 6 | 45.621 | 92 | -0.16 | 93 |
IV.FDMO.HHN. | 2021-08-18T02:47:36.63 | 0.6 | undecidable | manual | P | 353 | 39.5271 | 93 | -0.04 | 48 |
IV.TERO.HHZ. | 2021-08-18T02:47:36.38 | 0.6 | undecidable | manual | P | 100 | 37.7289 | 93 | -0.01 | 49 |
IV.SMA1.EHZ. | 2021-08-18T02:47:36.16 | 0.3 | undecidable | manual | S | 111 | 16.2726 | 107 | 0.15 | 74 |
IV.RM33.EHZ. | 2021-08-18T02:47:36.90 | 0.3 | undecidable | manual | S | 164 | 20.0688 | 100 | -0.09 | 74 |
IV.T1299.HNN. | 2021-08-18T02:47:35.00 | 0.3 | undecidable | manual | S | 116 | 12.1767 | 120 | 0 | 76 |
IV.LNSS.HHZ. | 2021-08-18T02:47:35.05 | 0.6 | undecidable | manual | S | 225 | 12.5763 | 118 | -0.05 | 50 |
IV.NRCA.HHZ. | 2021-08-18T02:47:35.97 | 0.3 | undecidable | manual | S | 350 | 16.9719 | 105 | -0.22 | 72 |
IV.MC2.EHZ. | 2021-08-18T02:47:34.41 | 0.6 | undecidable | manual | P | 7 | 25.5522 | 96 | -0.11 | 48 |
IV.MMO1.EHZ. | 2021-08-18T02:47:34.90 | 0.6 | undecidable | manual | P | 31 | 28.0497 | 95 | 0 | 49 |
IV.NRCA.HHZ. | 2021-08-18T02:47:33.27 | 0.1 | undecidable | manual | P | 350 | 16.9719 | 105 | 0.05 | 100 |
IV.SMA1.EHZ. | 2021-08-18T02:47:33.27 | 0.6 | undecidable | manual | P | 111 | 16.2726 | 107 | 0.15 | 49 |
IV.RM33.EHZ. | 2021-08-18T02:47:33.77 | 0.6 | undecidable | manual | P | 164 | 20.0688 | 100 | 0.09 | 49 |
IV.MTRA.EHE. | 2021-08-18T02:47:33.87 | 0.1 | undecidable | manual | P | 68 | 21.7671 | 98 | -0.07 | 98 |
IV.GAVE.EHN. | 2021-08-18T02:47:33.35 | 0.6 | undecidable | manual | P | 273 | 20.7681 | 99 | -0.45 | 46 |
IV.T1299.HNN. | 2021-08-18T02:47:32.72 | 0.3 | undecidable | manual | P | 116 | 12.1767 | 120 | 0.19 | 74 |
IV.LNSS.HHZ. | 2021-08-18T02:47:32.72 | 0.6 | undecidable | manual | P | 225 | 12.5763 | 118 | 0.13 | 50 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.LNSS.HHE. | ML:1.3 | 0.0001985 | 0.32 | AML | other | m | 2021-08-18T02:47:35.36 |
IV.LNSS.HHN. | ML:1.1 | 0.000115817455 | 0.12 | AML | other | m | 2021-08-18T02:47:35.29 |
IV.SMA1.EHE. | ML:1.1 | 0.00009315 | 0.2 | AML | other | m | 2021-08-18T02:47:36.81 |
IV.SMA1.EHN. | ML:0.7 | 0.000040353824999999995 | 0.32 | AML | other | m | 2021-08-18T02:47:36.54 |
IV.RM33.EHN. | ML:0.6 | 0.000030006834999999998 | 0.44 | AML | other | m | 2021-08-18T02:47:37.24 |
IV.RM33.EHE. | ML:0.6 | 0.000024768979999999998 | 2.04 | AML | other | m | 2021-08-18T02:47:37.47 |
IV.TERO.HHN. | ML:0.8 | 0.000025842465000000003 | 2.04 | AML | other | m | 2021-08-18T02:47:41.05 |