Earthquake with magnitude of ML 1.2 on date 03-07-2023 and time 18:48:49 (UTC) in region 4 km NE Accumoli (RI)

A magnitude ML 1.2 earthquake occured in region: 4 km NE Accumoli (RI), on

  • 03-07-2023 18:48:49 (UTC)
  • 03-07-2023 20:48:49 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7300, 13.2680 at 11 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 4 667 667
Arquata del Tronto AP 5 1178 1845
Amatrice RI 11 2657 4502
Acquasanta Terme AP 12 2916 7418
Montegallo AP 14 523 7941
Cittareale RI 15 482 8423
Norcia PG 16 4957 13380
Valle Castellana TE 19 977 14357
Montemonaco AP 20 604 14961

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km W of Teramo (54892 inhabitants)
43 Km N of L'Aquila (69753 inhabitants)
52 Km E of Foligno (57155 inhabitants)
54 Km E of Terni (111501 inhabitants)
76 Km W of Montesilvano (53738 inhabitants)
83 Km W of Pescara (121014 inhabitants)
83 Km SE of Perugia (166134 inhabitants)
85 Km NW of Chieti (51815 inhabitants)
93 Km NE of Guidonia Montecelio (88673 inhabitants)
94 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
ML 1.2 2023-07-03
18:48:49
42.7303 13.268 11 2023-07-03
18:56:58
Sala Sismica INGV-Roma 118941401
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-07-03 18:48:49 ± 0.04
Latitude 42.7303 ± 0.0027
Longitude 13.2680 ± 0.0037
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 118941401

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 311
Semi-minor axis of confidence ellipse (meter) 241
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 51
Circular confidence region, given by single value of horizontal uncertainty (meter) 310.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 45
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 29
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) 0.09803
Epicentral distance of station farthest from the epicenter (degree) 0.54409
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 18
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 18
Type of magnitude ML
Reference to an origin 118941401
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-07-03 18:56:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TERO.HHZ. 2023-07-03T18:48:59.69 0.3 undecidable manual S 113 29.8479 50 -0.17 71
IV.ASSB.HHZ. 2023-07-03T18:48:59.28 1.0 undecidable manual P 305 60.3951 50 -0.85 18
IV.MML1.EHZ. 2023-07-03T18:48:58.37 0.6 negative manual P 331 48.8178 50 0.02 47
IV.RM33.EHZ. 2023-07-03T18:48:58.50 0.3 undecidable manual S 190 24.9528 50 -0.04 74
IV.LNSS.HHZ. 2023-07-03T18:48:58.07 0.3 undecidable manual S 233 23.3544 50 -0.04 74
IV.CAMP.HHZ. 2023-07-03T18:48:58.27 0.3 undecidable manual S 152 24.4533 50 -0.14 72
IV.CSP1.EHZ. 2023-07-03T18:48:57.16 0.3 negative manual P 353 40.4262 50 0.11 71
IV.FDMO.HHZ. 2023-07-03T18:48:56.51 0.6 negative manual P 337 37.0296 50 -0.01 48
7F.SIB2.EHZ. 2023-07-03T18:48:56.45 0.3 undecidable manual S 9 18.0708 121 -0.21 72
IV.NRCA.HHZ. 2023-07-03T18:48:56.04 0.3 undecidable manual S 313 16.9719 122 -0.3 71
7F.SIB1.EHZ. 2023-07-03T18:48:56.75 0.6 undecidable manual S 1 18.2706 121 0.04 50
IV.GIGS.HHZ. 2023-07-03T18:48:56.72 0.6 positive manual P 141 39.5271 50 -0.19 46
IV.MMO1.HNZ. 2023-07-03T18:48:56.96 0.3 undecidable manual S 14 19.3695 119 -0.09 74
IV.MF5.EHZ. 2023-07-03T18:48:55.93 1.0 undecidable manual P 29 32.5452 50 0.1 24
IV.TERO.HHZ. 2023-07-03T18:48:55.37 1.0 negative manual P 113 29.8479 50 -0.05 24
7F.SIB3.EHZ. 2023-07-03T18:48:55.76 0.6 undecidable manual S 1 16.0728 124 -0.31 47
IV.GAVE.EHZ. 2023-07-03T18:48:55.65 0.3 negative manual P 262 30.747 50 0.09 72
IV.SMA1.EHZ. 2023-07-03T18:48:54.75 0.3 undecidable manual S 154 12.3765 131 -0.3 71
IV.CAMP.HHZ. 2023-07-03T18:48:54.63 0.1 negative manual P 152 24.4533 50 0.05 98
IV.MTRA.HNZ. 2023-07-03T18:48:54.65 0.3 undecidable manual S 74 10.878 135 -0.03 76
IV.RM33.EHZ. 2023-07-03T18:48:54.82 0.6 positive manual P 190 24.9528 50 0.16 48
IV.LNSS.HHZ. 2023-07-03T18:48:54.52 0.1 undecidable manual P 233 23.3544 50 0.11 97
7F.SIB1.EHZ. 2023-07-03T18:48:53.84 0.1 undecidable manual P 1 18.2706 121 0.24 95
IV.MMO1.HNZ. 2023-07-03T18:48:53.93 0.1 undecidable manual P 14 19.3695 119 0.13 97
7F.SIB3.EHZ. 2023-07-03T18:48:53.31 0.1 undecidable manual P 1 16.0728 124 0.08 99
7F.SIB2.EHZ. 2023-07-03T18:48:53.58 0.1 undecidable manual P 9 18.0708 121 0 100
IV.NRCA.HHZ. 2023-07-03T18:48:53.45 0.1 negative manual P 313 16.9719 122 0.07 99
IV.SMA1.EHZ. 2023-07-03T18:48:52.87 0.1 undecidable manual P 154 12.3765 131 0.22 97
IV.MTRA.HNZ. 2023-07-03T18:48:52.67 0.1 undecidable manual P 74 10.878 135 0.24 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHN. ML:1.1 0.0001455 0.08 AML other m 2023-07-03T18:48:53.10
IV.SMA1.EHE. ML:1.0 0.000121 0.32 AML other m 2023-07-03T18:48:55.59
IV.NRCA.HHN. ML:1.4 0.0002175 0.1 AML other m 2023-07-03T18:48:56.26
IV.NRCA.HHE. ML:1.8 0.000468 0.1 AML other m 2023-07-03T18:48:56.34
IV.LNSS.HHE. ML:1.1 0.00008585000000000001 0.64 AML other m 2023-07-03T18:48:58.22
IV.CAMP.HHN. ML:1.0 0.0000576 0.26 AML other m 2023-07-03T18:48:58.55
IV.CAMP.HHE. ML:1.2 0.0000876 0.2 AML other m 2023-07-03T18:48:58.48
IV.RM33.EHN. ML:1.2 0.0000946 0.1 AML other m 2023-07-03T18:48:59.26
IV.RM33.EHE. ML:1.3 0.00011394999999999999 0.42 AML other m 2023-07-03T18:48:59.11
IV.LNSS.HHN. ML:1.0 0.0000592 0.3 AML other m 2023-07-03T18:48:59.31
IV.TERO.HHN. ML:1.2 0.00006955 1.02 AML other m 2023-07-03T18:49:00.03
IV.TERO.HHE. ML:1.2 0.00007505000000000001 0.34 AML other m 2023-07-03T18:49:00.80
IV.GAVE.EHN. ML:1.3 0.0000999 0.32 AML other m 2023-07-03T18:49:00.71
IV.GAVE.EHE. ML:1.3 0.00008615000000000001 1.08 AML other m 2023-07-03T18:49:01.29
IV.MF5.EHN. ML:1.1 0.00006110000000000001 1.6 AML other m 2023-07-03T18:49:02.06
IV.FDMO.HHN. ML:1.0 0.000038849999999999996 0.68 AML other m 2023-07-03T18:49:02.10
IV.FDMO.HHE. ML:0.8 0.00002655 0.18 AML other m 2023-07-03T18:49:02.84
IV.MF5.EHE. ML:1.2 0.00006654999999999999 0.42 AML other m 2023-07-03T18:49:03.42
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