A magnitude ML 0.4 earthquake occured in region: 3 km NW Accumoli (RI), on
and geographic coordinates (lat, lon) 42.7150, 13.2280 at 11 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 |
---|---|---|---|---|
Accumoli | RI | 3 | 667 | 667 |
Arquata del Tronto | AP | 9 | 1178 | 1845 |
Amatrice | RI | 11 | 2657 | 4502 |
Cittareale | RI | 12 | 482 | 4984 |
Norcia | PG | 14 | 4957 | 9941 |
Acquasanta Terme | AP | 16 | 2916 | 12857 |
Montegallo | AP | 17 | 523 | 13380 |
Cascia | PG | 18 | 3217 | 16597 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 0.4 | 2020-07-31 01:24:56 |
42.7147 | 13.2283 | 11 | 2020-11-19 12:36:58 |
Bollettino Sismico Italiano INGV | 82308241 |
Reviewed Rev100 |
ML 0.6 | 2020-07-31 01:24:56 |
42.7167 | 13.2217 | 10 | 2020-07-31 01:30:34 |
Sala Sismica INGV-Roma | 81501171 |
Field | Value |
---|---|
Time (UTC) | 2020-07-31 01:24:56 ± 0.04 |
Latitude | 42.7147 ± 0.0018 |
Longitude | 13.2283 ± 0.0037 |
Depth (km) | 11 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 82308241 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 258 |
Semi-minor axis of confidence ellipse (meter) | 219 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 79 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 260.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 60 |
Number of associated phases, regardless of their use for origin computation | 23 |
Number of defining phases | 23 |
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) | 0.08993 |
Epicentral distance of station farthest from the epicenter (degree) | 0.32106 |
Number of stations at which the event was observed | 12 |
Number of stations from which data was used for origin computation | 12 |
Field | Value |
---|---|
Value | 0.6 |
Uncertainty | 0.3 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 81501171 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-07-31 01:30:34 |
Field | Value |
---|---|
Value | 0.4 |
Uncertainty | 0.2 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 82308241 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2020-08-25 07:42:28 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.TERO.HHZ. | 2020-07-31T01:25:07.16 | 0.3 | undecidable | manual | S | 108 | 32.2455 | 50 | -0.23 | 70 |
IV.GAVE.EHZ. | 2020-07-31T01:25:05.99 | 0.3 | undecidable | manual | S | 265 | 27.3504 | 50 | -0.09 | 73 |
IV.CAMP.HHZ. | 2020-07-31T01:25:05.14 | 0.6 | undecidable | manual | S | 143 | 24.753 | 50 | -0.23 | 47 |
IV.RM33.EHZ. | 2020-07-31T01:25:04.92 | 0.3 | undecidable | manual | S | 183 | 22.8549 | 50 | 0.05 | 74 |
IV.MC2.EHZ. | 2020-07-31T01:25:04.98 | 0.3 | undecidable | manual | S | 352 | 22.0668 | 50 | 0.32 | 70 |
IV.MMO1.HNE. | 2020-07-31T01:25:04.60 | 0.3 | undecidable | manual | S | 21 | 21.9669 | 50 | -0.05 | 74 |
IV.MF5.EHZ. | 2020-07-31T01:25:03.34 | 0.6 | undecidable | manual | P | 32 | 35.6421 | 50 | 0.12 | 48 |
IV.LNSS.HNE. | 2020-07-31T01:25:03.85 | 0.3 | undecidable | manual | S | 231 | 19.7691 | 50 | -0.19 | 72 |
IV.TERO.HHZ. | 2020-07-31T01:25:02.69 | 0.3 | undecidable | manual | P | 108 | 32.2455 | 50 | -0.01 | 73 |
IV.MTRA.EHZ. | 2020-07-31T01:25:02.40 | 0.3 | undecidable | manual | S | 71 | 14.4744 | 127 | -0.19 | 73 |
IV.NRCA.HHZ. | 2020-07-31T01:25:02.69 | 0.3 | undecidable | manual | S | 325 | 16.1727 | 124 | -0.38 | 70 |
IV.SMA1.EHZ. | 2020-07-31T01:25:02.06 | 0.1 | undecidable | manual | S | 137 | 12.7761 | 131 | -0.07 | 100 |
IV.CAMP.HHZ. | 2020-07-31T01:25:01.57 | 0.6 | undecidable | manual | P | 143 | 24.753 | 50 | 0.04 | 49 |
IV.MMO1.HNE. | 2020-07-31T01:25:01.11 | 0.1 | undecidable | manual | P | 21 | 21.9669 | 50 | -0.01 | 100 |
IV.RM33.EHZ. | 2020-07-31T01:25:01.27 | 0.3 | undecidable | manual | P | 183 | 22.8549 | 50 | 0.03 | 74 |
IV.T1299.HNE. | 2020-07-31T01:25:01.61 | 0.3 | undecidable | manual | S | 154 | 9.9789 | 138 | 0.18 | 74 |
IV.GAVE.EHZ. | 2020-07-31T01:25:01.88 | 0.3 | undecidable | manual | P | 265 | 27.3504 | 50 | -0.06 | 73 |
IV.MC2.EHZ. | 2020-07-31T01:25:01.41 | 0.6 | undecidable | manual | P | 352 | 22.0668 | 50 | 0.28 | 47 |
IV.LNSS.HNE. | 2020-07-31T01:25:00.86 | 0.1 | undecidable | manual | P | 231 | 19.7691 | 50 | 0.1 | 98 |
IV.NRCA.HHZ. | 2020-07-31T01:25:00.25 | 0.3 | undecidable | manual | P | 325 | 16.1727 | 124 | 0.05 | 75 |
IV.T1299.HNE. | 2020-07-31T01:24:59.43 | 0.3 | undecidable | manual | P | 154 | 9.9789 | 138 | 0.17 | 74 |
IV.SMA1.EHZ. | 2020-07-31T01:24:59.81 | 0.1 | undecidable | manual | P | 137 | 12.7761 | 131 | 0.15 | 99 |
IV.MTRA.EHZ. | 2020-07-31T01:24:59.95 | 0.3 | undecidable | manual | P | 71 | 14.4744 | 127 | 0.02 | 76 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.SMA1.EHN. | ML:0.3 | 0.00002205 | 0.32 | AML | other | m | 2020-07-31T01:25:02.14 |
IV.SMA1.EHE. | ML:0.3 | 0.0000217 | 0.88 | AML | other | m | 2020-07-31T01:25:02.31 |
IV.GAVE.EHN. | ML:0.6 | 0.00001845 | 0.24 | AML | other | m | 2020-07-31T01:25:06.29 |
IV.GAVE.EHE. | ML:0.6 | 0.00001915 | 1.18 | AML | other | m | 2020-07-31T01:25:07.22 |