Earthquake with magnitude of Md 1.2 on date 02-05-2023 and time 17:13:05 (Italy) in region 5 km E Accumoli (RI)

A magnitude Md 1.2 earthquake occured in region: 5 km E Accumoli (RI), on

  • 02-05-2023 15:13:05 (UTC)
  • 02-05-2023 17:13:05 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7090, 13.3010 at 12 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Accumoli RI 5 667 667
Arquata del Tronto AP 7 1178 1845
Amatrice RI 9 2657 4502
Acquasanta Terme AP 11 2916 7418
Montegallo AP 15 523 7941
Cittareale RI 15 482 8423
Valle Castellana TE 16 977 9400
Campotosto AQ 18 542 9942
Rocca Santa Maria TE 19 537 10479
Norcia PG 19 4957 15436
Cortino TE 20 656 16092

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km W of Teramo (54892 inhabitants)
41 Km N of L'Aquila (69753 inhabitants)
56 Km E of Terni (111501 inhabitants)
56 Km SE of Foligno (57155 inhabitants)
73 Km W of Montesilvano (53738 inhabitants)
80 Km W of Pescara (121014 inhabitants)
81 Km W of Chieti (51815 inhabitants)
87 Km SE of Perugia (166134 inhabitants)
92 Km NE of Guidonia Montecelio (88673 inhabitants)
93 Km NE of Tivoli (56533 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Reviewed
Rev100
Md 1.2 2023-05-02
15:13:05
42.7092 13.3007 12 2023-05-02
15:24:24
Sala Sismica INGV-Roma 116962131
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-02 15:13:05 ± 0.12
Latitude 42.7092 ± 0.0063
Longitude 13.3007 ± 0.0122
Depth (km) 12 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 116962131

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1009
Semi-minor axis of confidence ellipse (meter) 195
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 247
Circular confidence region, given by single value of horizontal uncertainty (meter) 1010.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 150
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.33
Epicentral distance of station closest to the epicenter (degree) 0.08274
Epicentral distance of station farthest from the epicenter (degree) 0.23922
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

Md:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 5
Type of magnitude Md
Reference to an origin 116962131
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-02 15:24:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TERO.HHZ. 2023-05-02T15:13:14.34 0.3 undecidable manual S 111 26.5512 92 -0.25 70
7F.SIB3.EHE. 2023-05-02T15:13:12.48 0.6 undecidable manual S 352 18.5703 95 0.01 50
7F.SIB2.EHE. 2023-05-02T15:13:12.96 0.3 undecidable manual S 1 20.1687 94 0.07 74
IV.NRCA.HHZ. 2023-05-02T15:13:12.69 0.3 undecidable manual S 312 20.5683 93 -0.29 71
IV.TERO.HHZ. 2023-05-02T15:13:10.52 0.1 undecidable manual P 111 26.5512 92 -0.04 97
IV.MTRA.HNE. 2023-05-02T15:13:10.13 0.3 undecidable manual S 56 9.3795 126 -0.03 76
IV.NRCA.HHZ. 2023-05-02T15:13:09.62 0.1 undecidable manual P 312 20.5683 93 -0.01 100
IV.SMA1.EHZ. 2023-05-02T15:13:09.91 0.3 undecidable manual S 162 9.1797 127 -0.19 73
7F.SIB3.EHE. 2023-05-02T15:13:09.99 0.1 undecidable manual P 352 18.5703 95 0.66 85
7F.SIB2.EHE. 2023-05-02T15:13:09.01 0.1 undecidable manual P 1 20.1687 94 -0.57 87
IV.MTRA.HNE. 2023-05-02T15:13:08.22 0.1 undecidable manual P 56 9.3795 126 0.22 98
IV.SMA1.EHZ. 2023-05-02T15:13:08.18 0.1 undecidable manual P 162 9.1797 127 0.21 98
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download