Earthquake with magnitude of ML 0.8 on date 25-05-2023 and time 01:20:50 (UTC) in region 5 km SE Balsorano (AQ)

A magnitude ML 0.8 earthquake occured in region: 5 km SE Balsorano (AQ), on

  • 25-05-2023 01:20:50 (UTC)
  • 25-05-2023 03:20:50 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.7680, 13.6000 at 8 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
Balsorano AQ 5 3569 3569
Pescosolido FR 5 1555 5124
Sora FR 5 26144 31268
Campoli Appennino FR 7 1725 32993
Broccostella FR 8 2741 35734
San Vincenzo Valle Roveto AQ 10 2347 38081
Isola del Liri FR 10 11715 49796
Castelliri FR 11 3454 53250
Villavallelonga AQ 11 919 54169
Posta Fibreno FR 12 1139 55308
Fontechiari FR 13 1303 56611
Collelongo AQ 13 1233 57844
Arpino FR 13 7262 65106
Vicalvi FR 13 783 65889
Alvito FR 15 2713 68602
Monte San Giovanni Campano FR 16 12929 81531
Morino AQ 16 1448 82979
Pescasseroli AQ 16 2203 85182
Civita d'Antino AQ 17 979 86161
Veroli FR 17 20560 106721
Boville Ernica FR 18 8737 115458
Casalvieri FR 18 2698 118156
Fontana Liri FR 18 2953 121109
Santopadre FR 19 1357 122466
San Donato Val di Comino FR 19 2107 124573
Opi AQ 19 420 124993
Collepardo FR 19 968 125961
Casalattico FR 19 574 126535
Lecce nei Marsi AQ 20 1702 128237
Rocca d'Arce FR 20 959 129196
Arce FR 20 5756 134952

Municipalities with at least 50000 inhabitants

An earthquake occurred to
67 Km NE of Latina (125985 inhabitants)
67 Km S of L'Aquila (69753 inhabitants)
69 Km E of Velletri (53303 inhabitants)
70 Km E of Tivoli (56533 inhabitants)
77 Km E of Guidonia Montecelio (88673 inhabitants)
80 Km SW of Chieti (51815 inhabitants)
81 Km E of Aprilia (73446 inhabitants)
88 Km E of Anzio (54211 inhabitants)
92 Km E of Pomezia (62966 inhabitants)
93 Km SW of Pescara (121014 inhabitants)
94 Km E of Roma (2864731 inhabitants)
95 Km SW of Montesilvano (53738 inhabitants)
98 Km NW of Caserta (76326 inhabitants)
100 Km S of Teramo (54892 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 2023-05-25
01:20:50
41.7683 13.6003 8 2023-05-25
01:38:03
Sala Sismica INGV-Roma 117698201
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-25 01:20:50 ± 0.07
Latitude 41.7683 ± 0.0027
Longitude 13.6003 ± 0.0060
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 117698201

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 334
Semi-minor axis of confidence ellipse (meter) 322
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 257
Circular confidence region, given by single value of horizontal uncertainty (meter) 330.0
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 14
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.09713
Epicentral distance of station farthest from the epicenter (degree) 0.35523
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 117698201
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-25 01:38:03
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.INTR.HHZ. 2023-05-25T01:21:03.63 0.1 undecidable manual S 43 36.8298 50 -0.03 95
IV.PTQR.HHE. 2023-05-25T01:21:02.26 0.1 undecidable manual S 330 32.6451 104 -0.08 95
IV.MCI.EHN. 2023-05-25T01:20:58.41 0.1 undecidable manual P 150 35.4423 50 0.45 88
IV.CERA.HHZ. 2023-05-25T01:20:58.26 0.6 positive manual P 119 39.4272 50 -0.32 45
IV.GIUL.HHZ. 2023-05-25T01:20:57.75 0.6 positive manual P 231 36.9297 50 -0.44 44
IV.PTQR.HHE. 2023-05-25T01:20:57.52 0.1 undecidable manual P 330 32.6451 104 0.11 95
IT.OPI.HGZ. 2023-05-25T01:20:57.76 0.1 undecidable manual S 87 19.0698 113 -0.09 97
IV.INTR.HHZ. 2023-05-25T01:20:57.91 1.0 positive manual P 43 36.8298 50 -0.27 23
IV.LRP.EHZ. 2023-05-25T01:20:56.04 0.1 undecidable manual S 185 13.4754 121 -0.09 98
IV.VVLD.HHZ. 2023-05-25T01:20:55.50 0.1 undecidable manual S 10 11.3775 125 -0.02 100
IT.OPI.HGZ. 2023-05-25T01:20:54.73 0.1 undecidable manual P 87 19.0698 113 -0.09 97
IV.VVLD.HHZ. 2023-05-25T01:20:53.66 0.1 undecidable manual P 10 11.3775 125 0.19 97
IV.LRP.EHZ. 2023-05-25T01:20:53.85 0.6 negative manual P 185 13.4754 121 0.02 50
IV.POFI.HHN. 2023-05-25T01:20:53.48 0.1 undecidable manual P 121 10.7781 126 0.1 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.VVLD.HHN. ML:1.0 0.00014259005 0.18 AML other m 2023-05-25T01:20:55.72
IV.VVLD.HHE. ML:1.1 0.000162806755 0.22 AML other m 2023-05-25T01:20:55.80
IV.LRP.EHE. ML:1.0 0.00011999999999999999 0.38 AML other m 2023-05-25T01:20:56.85
IV.LRP.EHN. ML:0.6 0.0000412 0.28 AML other m 2023-05-25T01:20:57.18
IV.INTR.HHE. ML:0.9 0.00002925 0.54 AML other m 2023-05-25T01:21:03.86
IV.INTR.HHN. ML:1.0 0.00003447947 0.22 AML other m 2023-05-25T01:21:05.66
IV.CERA.HHE. ML:0.6 0.0000156351625 0.36 AML other m 2023-05-25T01:21:09.87
IV.GIUL.HHN. ML:0.6 0.000015949999999999998 1.14 AML other m 2023-05-25T01:21:06.89
IV.CERA.HHN. ML:0.8 0.00002128595 0.3 AML other m 2023-05-25T01:21:07.35
IV.GIUL.HHE. ML:0.4 0.000010529045 0.26 AML other m 2023-05-25T01:21:03.74
IV.VVLD.HNE. ML:1.1 0.00015135198999999998 0.22 AML other m 2023-05-25T01:20:55.80
IV.VVLD.HNN. ML:1.0 0.00011901251 0.1704 AML other m 2023-05-25T01:20:55.72
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