A magnitude ML 1.2 earthquake occured in region: 5 km SW Accumoli (RI), on
and geographic coordinates (lat, lon) 42.6650, 13.1990 at 10 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 |
---|---|---|---|---|
Accumoli | RI | 5 | 667 | 667 |
Cittareale | RI | 6 | 482 | 1149 |
Amatrice | RI | 8 | 2657 | 3806 |
Arquata del Tronto | AP | 15 | 1178 | 4984 |
Montereale | AQ | 16 | 2581 | 7565 |
Cascia | PG | 16 | 3217 | 10782 |
Norcia | PG | 17 | 4957 | 15739 |
Borbona | RI | 18 | 617 | 16356 |
Posta | RI | 18 | 694 | 17050 |
Capitignano | AQ | 18 | 665 | 17715 |
Campotosto | AQ | 18 | 542 | 18257 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.2 | 2023-04-04 23:54:39 |
42.6647 | 13.1987 | 10 | 2023-04-05 23:32:24 |
Sala Sismica INGV-Roma | 116099801 |
Field | Value |
---|---|
Time (UTC) | 2023-04-04 23:54:39 ± 0.08 |
Latitude | 42.6647 ± 0.0045 |
Longitude | 13.1987 ± 0.0061 |
Depth (km) | 10 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 116099801 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 464 |
Semi-minor axis of confidence ellipse (meter) | 459 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 110 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 460.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 98 |
Number of associated phases, regardless of their use for origin computation | 13 |
Number of defining phases | 13 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.22 |
Epicentral distance of station closest to the epicenter (degree) | 0.10612 |
Epicentral distance of station farthest from the epicenter (degree) | 0.42718 |
Number of stations at which the event was observed | 7 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.2 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 116099801 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-04-05 23:32:24 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CSP1.EHZ. | 2023-04-04T23:54:54.26 | 1.0 | undecidable | manual | S | 1 | 47.4192 | 50 | -0.83 | 19 |
IV.MMO1.EHZ. | 2023-04-04T23:54:50.06 | 0.3 | undecidable | manual | S | 22 | 28.0497 | 50 | 0.14 | 72 |
IV.CSP1.EHZ. | 2023-04-04T23:54:48.80 | 0.1 | undecidable | manual | P | 1 | 47.4192 | 50 | 0.18 | 91 |
IV.NRCA.HHZ. | 2023-04-04T23:54:47.41 | 0.1 | undecidable | manual | S | 340 | 19.9689 | 117 | -0.16 | 96 |
IV.LNSS.HHZ. | 2023-04-04T23:54:46.02 | 0.1 | undecidable | manual | S | 242 | 14.6742 | 125 | 0.04 | 100 |
IV.RM33.EHZ. | 2023-04-04T23:54:46.55 | 0.3 | undecidable | manual | S | 176 | 17.3715 | 121 | -0.22 | 72 |
IV.TERO.HHZ. | 2023-04-04T23:54:46.22 | 0.3 | undecidable | manual | P | 98 | 33.4443 | 50 | -0.25 | 69 |
IV.MMO1.EHZ. | 2023-04-04T23:54:45.63 | 0.3 | undecidable | manual | P | 22 | 28.0497 | 50 | -0.01 | 74 |
IV.SMA1.EHZ. | 2023-04-04T23:54:45.08 | 0.1 | undecidable | manual | S | 109 | 11.7771 | 131 | -0.12 | 99 |
IV.NRCA.HHZ. | 2023-04-04T23:54:44.31 | 0.3 | undecidable | manual | P | 340 | 19.9689 | 117 | 0.03 | 74 |
IV.SMA1.EHZ. | 2023-04-04T23:54:43.32 | 0.1 | undecidable | manual | P | 109 | 11.7771 | 131 | 0.41 | 93 |
IV.LNSS.HHZ. | 2023-04-04T23:54:43.43 | 0.1 | undecidable | manual | P | 242 | 14.6742 | 125 | 0.06 | 99 |
IV.RM33.EHZ. | 2023-04-04T23:54:43.82 | 0.1 | undecidable | manual | P | 176 | 17.3715 | 121 | 0 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.SMA1.EHE. | ML:1.8 | 0.0006795 | 0.26 | AML | other | m | 2023-04-04T23:54:46.07 |
IV.SMA1.EHN. | ML:1.4 | 0.0002965 | 1.58 | AML | other | m | 2023-04-04T23:54:46.14 |
IV.LNSS.HHN. | ML:1.0 | 0.00010345 | 0.64 | AML | other | m | 2023-04-04T23:54:46.44 |
IV.RM33.EHE. | ML:1.3 | 0.000175 | 0.58 | AML | other | m | 2023-04-04T23:54:46.52 |
IV.LNSS.HHE. | ML:1.2 | 0.000142 | 1.24 | AML | other | m | 2023-04-04T23:54:46.23 |
IV.RM33.EHN. | ML:1.2 | 0.000122 | 1.1 | AML | other | m | 2023-04-04T23:54:47.92 |
IV.NRCA.HHN. | ML:1.1 | 0.00008635000000000001 | 0.96 | AML | other | m | 2023-04-04T23:54:48.97 |
IV.NRCA.HHE. | ML:1.2 | 0.000132 | 0.1 | AML | other | m | 2023-04-04T23:54:49.09 |