Earthquake with magnitude of ML 1.2 on date 04-09-2023 and time 14:47:36 (UTC) in region 2 km W Campotosto (AQ)

A magnitude ML 1.2 earthquake occured in region: 2 km W Campotosto (AQ), on

  • 04-09-2023 14:47:36 (UTC)
  • 04-09-2023 16:47:36 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.5520, 13.3500 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
Campotosto AQ 2 542 542
Capitignano AQ 5 665 1207
Montereale AQ 9 2581 3788
Amatrice RI 10 2657 6445
Crognaleto TE 11 1297 7742
Barete AQ 12 737 8479
Pizzoli AQ 14 4326 12805
Cagnano Amiterno AQ 14 1369 14174
Cortino TE 15 656 14830
Fano Adriano TE 15 296 15126
Pietracamela TE 17 271 15397
Cittareale RI 17 482 15879
Accumoli RI 18 667 16546
Borbona RI 18 617 17163

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km N of L'Aquila (69753 inhabitants)
31 Km W of Teramo (54892 inhabitants)
58 Km E of Terni (111501 inhabitants)
66 Km W of Montesilvano (53738 inhabitants)
69 Km SE of Foligno (57155 inhabitants)
71 Km W of Chieti (51815 inhabitants)
72 Km W of Pescara (121014 inhabitants)
80 Km NE of Tivoli (56533 inhabitants)
80 Km NE of Guidonia Montecelio (88673 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 1.2 2023-09-04
14:47:36
42.5518 13.3503 16 2023-09-04
15:08:22
Sala Sismica INGV-Roma 120746681
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-09-04 14:47:36 ± 0.13
Latitude 42.5518 ± 0.0045
Longitude 13.3503 ± 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 120746681

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 479
Semi-minor axis of confidence ellipse (meter) 367
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 45
Circular confidence region, given by single value of horizontal uncertainty (meter) 480.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 126
Number of associated phases, regardless of their use for origin computation 32
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.55038
Number of stations at which the event was observed 25
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.1
Num. used stations 8
Type of magnitude ML
Reference to an origin 120746681
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-09-04 15:08:22
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CTI.HHZ. 2023-09-04T14:48:59.54 3.0 undecidable manual Sn -1.3 0
OX.VARN.HHZ. 2023-09-04T14:48:58.19 3.0 undecidable manual Sn 0.93 0
IV.SALB.HHZ. 2023-09-04T14:48:58.99 3.0 undecidable manual Sn -2.52 0
IV.SERS.HHZ. 2023-09-04T14:48:39.13 3.0 undecidable manual Pg 9.3 0
IV.MOCL.EHZ. 2023-09-04T14:48:36.41 3.0 undecidable manual Sg 10.37 0
IV.CAFE.HHZ. 2023-09-04T14:48:36.25 3.0 undecidable manual Sg 7.6 0
IV.CSLB.HHZ. 2023-09-04T14:48:28.82 3.0 undecidable manual Pn -5.47 0
IV.SGRT.HHZ. 2023-09-04T14:48:25.64 3.0 undecidable manual Sn 0.67 0
IV.AGLI.HHZ. 2023-09-04T14:48:21.02 3.0 undecidable manual Pg 3.95 0
OX.VARN.HHZ. 2023-09-04T14:48:17.27 3.0 undecidable manual Pn 1 0
GU.RNCA.HHZ. 2023-09-04T14:48:14.06 3.0 undecidable manual Pn -5.34 0
IV.RNI2.HHZ. 2023-09-04T14:48:10.18 3.0 undecidable manual Sg 2.6 0
IV.CMPR.HHZ. 2023-09-04T14:48:07.08 3.0 undecidable manual Pn -0.85 0
IX.COL3.HHZ.02 2023-09-04T14:48:05.93 3.0 undecidable manual Pn 1.8 0
GU.MAIM.HHZ. 2023-09-04T14:48:01.07 3.0 undecidable manual Pn -2.17 0
IV.RIBO.EHZ.01 2023-09-04T14:47:58.67 3.0 negative manual Pg 4.1 0
OT.OT05.EHZ. 2023-09-04T14:47:57.52 3.0 positive manual Pn -0.09 0
IV.ATFO.HHZ. 2023-09-04T14:47:48.66 3.0 undecidable manual Pg 2.79 0
IV.CSP1.EHZ. 2023-09-04T14:47:47.62 0.3 undecidable manual P 349 61.0944 96 0 68
IV.GIGS.HHZ. 2023-09-04T14:47:45.01 0.3 undecidable manual S 121 21.2676 114 -0.16 71
IV.MTRA.EHZ. 2023-09-04T14:47:45.33 0.3 undecidable manual S 9 23.0547 112 -0.28 70
IV.TERO.HHZ. 2023-09-04T14:47:45.34 0.3 undecidable manual S 69 22.1556 113 -0.06 73
IV.POFI.HHZ. 2023-09-04T14:47:44.54 3.0 undecidable manual P -2.41 0
IV.RM33.EHZ. 2023-09-04T14:47:43.04 0.1 undecidable manual S 247 12.0768 134 -0.1 97
IV.TERO.HHZ. 2023-09-04T14:47:42.06 0.1 undecidable manual P 69 22.1556 113 0.31 92
IV.SMA1.EHZ. 2023-09-04T14:47:42.65 0.3 undecidable manual S 352 8.7801 145 0.08 74
IV.CAMP.HHZ. 2023-09-04T14:47:42.11 0.3 undecidable manual S 111 5.0949 158 0.01 75
IV.GIGS.HHZ. 2023-09-04T14:47:41.53 0.1 negative manual P 121 21.2676 114 -0.08 96
IV.MTRA.EHZ. 2023-09-04T14:47:41.73 0.3 undecidable manual P 9 23.0547 112 -0.14 72
IV.RM33.EHZ. 2023-09-04T14:47:40.45 0.1 undecidable manual P 247 12.0768 134 0.01 100
IV.SMA1.EHZ. 2023-09-04T14:47:40.23 0.3 positive manual P 352 8.7801 145 0.12 73
IV.CAMP.HHZ. 2023-09-04T14:47:39.99 0.1 undecidable manual P 111 5.0949 158 0.15 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CAMP.HHE. ML:1.0 0.00011295 0.3 AML other m 2023-09-04T14:47:42.20
IV.CAMP.HHN. ML:1.2 0.0001695 0.16 AML other m 2023-09-04T14:47:42.31
IV.SMA1.EHE. ML:1.4 0.00022399999999999997 1.28 AML other m 2023-09-04T14:47:43.05
IV.RM33.EHE. ML:1.2 0.000123 1.38 AML other m 2023-09-04T14:47:43.13
IV.RM33.EHN. ML:1.3 0.000155 0.16 AML other m 2023-09-04T14:47:43.12
IV.SMA1.EHN. ML:1.2 0.00015500000000000003 1.24 AML other m 2023-09-04T14:47:43.73
IV.GIGS.HHE. ML:1.1 0.00006912499499999999 0.0832 AML other m 2023-09-04T14:47:45.25
IV.GIGS.HHN. ML:1.0 0.000054978925 0.3008 AML other m 2023-09-04T14:47:45.26
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