Earthquake with magnitude of ML 0.7 on date 27-06-2023 and time 19:49:50 (Italy) in region 4 km W Acquasanta Terme (AP)

A magnitude ML 0.7 earthquake occured in region: 4 km W Acquasanta Terme (AP), on

  • 27-06-2023 17:49:50 (UTC)
  • 27-06-2023 19:49:50 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7530, 13.3660 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
Acquasanta Terme AP 4 2916 2916
Arquata del Tronto AP 6 1178 4094
Montegallo AP 10 523 4617
Valle Castellana TE 11 977 5594
Accumoli RI 12 667 6261
Amatrice RI 15 2657 8918
Roccafluvione AP 15 2010 10928
Rocca Santa Maria TE 15 537 11465
Montemonaco AP 17 604 12069
Venarotta AP 18 2066 14135
Palmiano AP 18 196 14331
Cortino TE 19 656 14987

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km W of Teramo (54892 inhabitants)
45 Km N of L'Aquila (69753 inhabitants)
59 Km E of Foligno (57155 inhabitants)
63 Km E of Terni (111501 inhabitants)
69 Km W of Montesilvano (53738 inhabitants)
76 Km W of Pescara (121014 inhabitants)
79 Km NW of Chieti (51815 inhabitants)
89 Km E of Perugia (166134 inhabitants)
97 Km S of Ancona (100861 inhabitants)
99 Km NE of Guidonia Montecelio (88673 inhabitants)
99 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 0.7 2023-06-27
17:49:50
42.7532 13.3663 15 2023-06-27
17:57:06
Sala Sismica INGV-Roma 118763031
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-06-27 17:49:50 ± 0.04
Latitude 42.7532 ± 0.0018
Longitude 13.3663 ± 0.0024
Depth (km) 15 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 118763031

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 246
Semi-minor axis of confidence ellipse (meter) 172
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 42
Circular confidence region, given by single value of horizontal uncertainty (meter) 250.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 99
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.08
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.35883
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 8
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 118763031
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-06-27 17:57:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FREG.EHZ. 2023-06-27T17:51:08.59 3.0 undecidable manual Sn 1.7 0
GU.GSCL.HHZ. 2023-06-27T17:51:06.14 3.0 undecidable manual Sg 14.83 0
IV.SCIAC.HHZ. 2023-06-27T17:51:01.97 3.0 undecidable manual Pn 5.87 0
IV.MSRU.HHZ. 2023-06-27T17:51:00.47 3.0 undecidable manual Pg 11.15 0
CH.FUORN.HHZ. 2023-06-27T17:50:57.32 3.0 undecidable manual Pg 14.37 0
IV.IMOL.HNZ. 2023-06-27T17:50:36.07 3.0 undecidable manual Sn -1.46 0
GU.RNCA.HHZ. 2023-06-27T17:50:35.84 3.0 negative manual Pn 2.67 0
OX.PLRO.HHZ. 2023-06-27T17:50:33.01 3.0 positive manual Pn -0.47 0
IV.CSNT.HHZ. 2023-06-27T17:50:33.50 3.0 undecidable manual Sn 0.97 0
IV.VULT.HHZ. 2023-06-27T17:50:17.64 3.0 positive manual Pn -0.46 0
IV.CRE.HHZ. 2023-06-27T17:50:07.86 3.0 negative manual Pg 3.59 0
IV.RM33.EHZ. 2023-06-27T17:50:01.04 0.1 undecidable manual S 205 29.748 103 -0.01 97
IV.NRCA.HHZ. 2023-06-27T17:49:59.06 0.1 undecidable manual S 294 22.3554 110 -0.09 96
IV.TERO.HHZ. 2023-06-27T17:49:59.51 0.1 undecidable manual S 127 24.1536 108 -0.09 96
IV.CSP1.EHZ. 2023-06-27T17:49:58.20 0.3 positive manual P 341 39.8268 99 0.09 70
IV.FDMO.HHZ. 2023-06-27T17:49:57.88 0.1 undecidable manual P 324 38.7279 99 -0.07 94
7F.SIB2.EHE. 2023-06-27T17:49:57.60 0.1 undecidable manual S 342 16.1727 122 -0.05 98
7F.SIB3.EHE. 2023-06-27T17:49:57.50 0.1 undecidable manual S 330 15.6732 123 -0.04 98
IV.RM33.EHZ. 2023-06-27T17:49:56.62 0.1 undecidable manual P 205 29.748 103 0.03 96
IV.TERO.HHZ. 2023-06-27T17:49:55.73 0.3 undecidable manual P 127 24.1536 108 -0.03 73
IV.MURB.HNZ. 2023-06-27T17:49:55.26 3.0 positive manual Pn -3.82 0
IV.MTRA.EHE. 2023-06-27T17:49:55.47 0.1 undecidable manual S 81 2.4975 169 -0.03 100
IV.NRCA.HHZ. 2023-06-27T17:49:55.47 0.3 positive manual P 294 22.3554 110 -0.03 73
7F.SIB3.EHE. 2023-06-27T17:49:54.65 0.1 undecidable manual P 330 15.6732 123 0.08 98
7F.SIB2.EHE. 2023-06-27T17:49:54.70 0.1 undecidable manual P 342 16.1727 122 0.07 98
IV.MTRA.EHE. 2023-06-27T17:49:53.54 0.1 undecidable manual P 81 2.4975 169 0.15 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:0.9 0.000044200000000000004 0.08 AML other m 2023-06-27T17:49:59.33
IV.NRCA.HHE. ML:0.8 0.0000361 0.12 AML other m 2023-06-27T17:49:59.51
IV.TERO.HHN. ML:0.7 0.00002535 0.74 AML other m 2023-06-27T17:49:59.51
IV.TERO.HHE. ML:0.6 0.0000183 1.58 AML other m 2023-06-27T17:50:00.14
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