Earthquake with magnitude of ML 0.7 on date 15-05-2023 and time 17:05:36 (UTC) in region 7 km W Accumoli (RI)

A magnitude ML 0.7 earthquake occured in region: 7 km W Accumoli (RI), on

  • 15-05-2023 17:05:36 (UTC)
  • 15-05-2023 19:05:36 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6910, 13.1680 at 16 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 7 667 667
Cittareale RI 8 482 1149
Amatrice RI 12 2657 3806
Norcia PG 13 4957 8763
Cascia PG 13 3217 11980
Arquata del Tronto AP 14 1178 13158
Monteleone di Spoleto PG 18 599 13757
Poggiodomo PG 19 117 13874
Posta RI 19 694 14568
Montereale AQ 20 2581 17149
Borbona RI 20 617 17766

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km NW of L'Aquila (69753 inhabitants)
44 Km W of Teramo (54892 inhabitants)
45 Km E of Terni (111501 inhabitants)
48 Km SE of Foligno (57155 inhabitants)
79 Km SE of Perugia (166134 inhabitants)
83 Km W of Montesilvano (53738 inhabitants)
85 Km NE of Guidonia Montecelio (88673 inhabitants)
86 Km NE of Tivoli (56533 inhabitants)
89 Km W of Pescara (121014 inhabitants)
90 Km W of Chieti (51815 inhabitants)
92 Km E of Viterbo (67173 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
ML 0.7 2023-05-15
17:05:36
42.6907 13.1682 16 2023-05-15
17:22:00
Sala Sismica INGV-Roma 117387221
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-15 17:05:36 ± 0.14
Latitude 42.6907 ± 0.0045
Longitude 13.1682 ± 0.0061
Depth (km) 16 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 117387221

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 520
Semi-minor axis of confidence ellipse (meter) 308
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 279
Circular confidence region, given by single value of horizontal uncertainty (meter) 520.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 118
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.12
Epicentral distance of station closest to the epicenter (degree) 0.12860
Epicentral distance of station farthest from the epicenter (degree) 0.32735
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 117387221
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-15 17:22:00
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TERO.HHZ. 2023-05-15T17:05:48.29 0.6 undecidable manual S 102 36.3414 102 -0.21 46
IV.RM33.EHZ. 2023-05-15T17:05:44.40 0.6 undecidable manual S 169 20.4684 117 -0.09 49
IV.SMA1.EHZ. 2023-05-15T17:05:43.39 0.6 undecidable manual S 116 15.1737 127 0.11 50
IV.TERO.HHZ. 2023-05-15T17:05:43.26 0.3 undecidable manual P 102 36.3414 102 -0.04 72
IV.NRCA.HHZ. 2023-05-15T17:05:43.39 0.6 undecidable manual S 345 16.4724 124 -0.16 49
IV.LNSS.HHZ. 2023-05-15T17:05:42.98 0.6 undecidable manual S 227 14.2746 129 -0.11 49
IV.NRCA.HHZ. 2023-05-15T17:05:40.54 0.6 undecidable manual P 345 16.4724 124 0.09 50
IV.RM33.EHZ. 2023-05-15T17:05:40.99 0.1 undecidable manual P 169 20.4684 117 0 100
IV.LNSS.HHZ. 2023-05-15T17:05:40.27 0.1 negative manual P 227 14.2746 129 0.09 100
IV.SMA1.EHZ. 2023-05-15T17:05:40.53 0.6 negative manual P 116 15.1737 127 0.24 49
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LNSS.HHE. ML:1.0 0.00008525 0.28 AML other m 2023-05-15T17:05:43.23
IV.LNSS.HHN. ML:0.9 0.0000673 1 AML other m 2023-05-15T17:05:43.61
IV.SMA1.EHE. ML:0.7 0.000041352155000000004 0.256 AML other m 2023-05-15T17:05:43.92
IV.SMA1.EHN. ML:0.6 0.00002879644 0.1536 AML other m 2023-05-15T17:05:44.05
IV.NRCA.HHE. ML:0.8 0.0000426966 0.0768 AML other m 2023-05-15T17:05:43.57
IV.NRCA.HHN. ML:0.8 0.000042713689999999997 0.1664 AML other m 2023-05-15T17:05:43.57
IV.RM33.EHE. ML:0.4 0.00001686021 0.2432 AML other m 2023-05-15T17:05:44.96
IV.RM33.EHN. ML:0.5 0.00001938386 0.1408 AML other m 2023-05-15T17:05:44.66
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download