Earthquake with magnitude of ML 0.8 on date 07-12-2023 and time 06:16:37 (UTC) in region 5 km S Arquata del Tronto (AP)

A magnitude ML 0.8 earthquake occured in region: 5 km S Arquata del Tronto (AP), on

  • 07-12-2023 06:16:37 (UTC)
  • 07-12-2023 07:16:37 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7330, 13.3110 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Arquata del Tronto AP 5 1178 1178
Accumoli RI 7 667 1845
Acquasanta Terme AP 9 2916 4761
Amatrice RI 12 2657 7418
Montegallo AP 12 523 7941
Valle Castellana TE 15 977 8918
Cittareale RI 18 482 9400
Rocca Santa Maria TE 18 537 9937
Montemonaco AP 19 604 10541
Norcia PG 19 4957 15498
Roccafluvione AP 20 2010 17508
Campotosto AQ 20 542 18050

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km W of Teramo (54892 inhabitants)
43 Km N of L'Aquila (69753 inhabitants)
55 Km E of Foligno (57155 inhabitants)
58 Km E of Terni (111501 inhabitants)
73 Km W of Montesilvano (53738 inhabitants)
80 Km W of Pescara (121014 inhabitants)
82 Km NW of Chieti (51815 inhabitants)
86 Km E of Perugia (166134 inhabitants)
94 Km NE of Guidonia Montecelio (88673 inhabitants)
95 Km NE of Tivoli (56533 inhabitants)
100 Km S of Ancona (100861 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 0.8 2023-12-07
06:16:37
42.7327 13.3113 10 2023-12-07
06:23:20
Sala Sismica INGV-Roma 123869801
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-12-07 06:16:37 ± 0.12
Latitude 42.7327 ± 0.0054
Longitude 13.3113 ± 0.0135
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 123869801

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1081
Semi-minor axis of confidence ellipse (meter) 265
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 262
Circular confidence region, given by single value of horizontal uncertainty (meter) 1080.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 107
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.10342
Epicentral distance of station farthest from the epicenter (degree) 0.27699
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.4
Num. used stations 4
Type of magnitude ML
Reference to an origin 123869801
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-12-07 06:23:20
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MF5.EHZ. 2023-12-07T06:16:48.51 0.6 undecidable manual S 23 30.747 50 0.52 43
IV.RM33.EHZ. 2023-12-07T06:16:46.52 0.6 undecidable manual S 198 26.0517 50 -0.21 47
IV.MMO1.EHZ. 2023-12-07T06:16:44.43 0.3 undecidable manual S 4 18.5703 118 0.08 73
IV.NRCA.HHZ. 2023-12-07T06:16:44.50 0.3 undecidable manual S 305 19.5693 117 -0.17 72
IV.MF5.EHZ. 2023-12-07T06:16:43.25 1.0 positive manual P 23 30.747 50 -0.12 24
IV.RM33.EHZ. 2023-12-07T06:16:43.22 0.3 undecidable manual P 198 26.0517 50 0.58 64
IV.SMA1.EHZ. 2023-12-07T06:16:42.36 0.1 undecidable manual S 170 11.4774 131 0.03 100
IV.TERO.HHZ. 2023-12-07T06:16:42.20 0.1 undecidable manual P 117 26.751 50 -0.56 86
IV.MMO1.EHZ. 2023-12-07T06:16:41.24 0.3 undecidable manual P 4 18.5703 118 -0.03 74
IV.NRCA.HHZ. 2023-12-07T06:16:41.34 0.1 positive manual P 305 19.5693 117 -0.12 97
IV.SMA1.EHZ. 2023-12-07T06:16:40.30 0.1 undecidable manual P 170 11.4774 131 0.2 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:1.2 0.00011155000000000001 0.16 AML other m 2023-12-07T06:16:44.54
IV.NRCA.HHN. ML:1.1 0.00009604999999999999 0.06 AML other m 2023-12-07T06:16:44.57
IV.SMA1.EHE. ML:0.4 0.000027768768499999998 0.3584 AML other m 2023-12-07T06:16:42.84
IV.TERO.HHE. ML:0.6 0.000022255999 0.3008 AML other m 2023-12-07T06:16:46.35
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