Earthquake with magnitude of ML 0.7 on date 30-03-2023 and time 08:15:19 (UTC) in region 5 km SW Accumoli (RI)

A magnitude ML 0.7 earthquake occured in region: 5 km SW Accumoli (RI), on

  • 30-03-2023 08:15:19 (UTC)
  • 30-03-2023 10:15:19 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6590, 13.2240 at 15 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
Amatrice RI 6 2657 3324
Cittareale RI 7 482 3806
Arquata del Tronto AP 14 1178 4984
Montereale AQ 15 2581 7565
Campotosto AQ 16 542 8107
Capitignano AQ 17 665 8772
Borbona RI 18 617 9389
Posta RI 18 694 10083
Norcia PG 18 4957 15040
Cascia PG 19 3217 18257
Acquasanta Terme AP 20 2916 21173

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km NW of L'Aquila (69753 inhabitants)
39 Km W of Teramo (54892 inhabitants)
48 Km E of Terni (111501 inhabitants)
54 Km SE of Foligno (57155 inhabitants)
78 Km W of Montesilvano (53738 inhabitants)
84 Km NE of Guidonia Montecelio (88673 inhabitants)
84 Km W of Pescara (121014 inhabitants)
84 Km SE of Perugia (166134 inhabitants)
85 Km W of Chieti (51815 inhabitants)
85 Km NE of Tivoli (56533 inhabitants)
96 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 2023-03-30
08:15:19
42.6587 13.2245 15 2023-03-30
08:23:48
Sala Sismica INGV-Roma 115876101
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-30 08:15:19 ± 0.15
Latitude 42.6587 ± 0.0063
Longitude 13.2245 ± 0.0073
Depth (km) 15 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 115876101

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 692
Semi-minor axis of confidence ellipse (meter) 452
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 140
Circular confidence region, given by single value of horizontal uncertainty (meter) 690.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 120
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.28149
Number of stations at which the event was observed 6
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 6
Type of magnitude ML
Reference to an origin 115876101
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-03-30 08:23:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FAGN.HHZ. 2023-03-30T08:15:31.31 3.0 positive manual P 0.7 0
IV.TERO.HHZ. 2023-03-30T08:15:30.78 0.3 undecidable manual S 97 31.2465 101 -0.07 72
7F.SIB1.EHE. 2023-03-30T08:15:29.50 0.6 undecidable manual S 8 26.4513 105 -0.1 49
IV.RM33.EHZ. 2023-03-30T08:15:27.03 0.3 undecidable manual S 183 16.5723 119 -0.13 73
IV.LNSS.HHZ. 2023-03-30T08:15:27.23 0.3 undecidable manual S 248 16.2726 120 0.15 73
IV.TERO.HHZ. 2023-03-30T08:15:26.33 0.6 undecidable manual P 97 31.2465 101 0.09 49
IV.SMA1.EHZ. 2023-03-30T08:15:25.68 0.3 undecidable manual S 109 9.5793 140 -0.02 76
7F.SIB1.EHE. 2023-03-30T08:15:25.54 0.3 undecidable manual P 8 26.4513 105 0.01 74
IV.RM33.EHZ. 2023-03-30T08:15:24.18 0.1 undecidable manual P 183 16.5723 119 0.06 100
IV.LNSS.HHZ. 2023-03-30T08:15:23.89 0.1 undecidable manual P 248 16.2726 120 -0.17 97
IV.SMA1.EHZ. 2023-03-30T08:15:23.53 0.3 negative manual P 109 9.5793 140 0.26 73
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHE. ML:1.0 0.0001043 0.3 AML other m 2023-03-30T08:15:26.07
IV.SMA1.EHN. ML:0.9 0.0000767 1.66 AML other m 2023-03-30T08:15:26.13
IV.LNSS.HHE. ML:0.7 0.000035583125 0.1408 AML other m 2023-03-30T08:15:27.68
IV.RM33.EHE. ML:0.6 0.000031710135 0.3968 AML other m 2023-03-30T08:15:28.47
IV.RM33.EHN. ML:0.6 0.000028357995 0.096 AML other m 2023-03-30T08:15:27.26
IV.TERO.HHN. ML:0.4 0.0000104453425 0.4416 AML other m 2023-03-30T08:15:31.80
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