Earthquake with magnitude of Md 0.8 on date 25-04-2022 and time 20:30:49 (UTC) in region 7 km SE Castelsantangelo sul Nera (MC)

A magnitude Md 0.8 earthquake occured in region: 7 km SE Castelsantangelo sul Nera (MC), on

  • 25-04-2022 20:30:49 (UTC)
  • 25-04-2022 22:30:49 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8410, 13.1910 at 13 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
Castelsantangelo sul Nera MC 7 281 281
Norcia PG 10 4957 5238
Arquata del Tronto AP 12 1178 6416
Montegallo AP 12 523 6939
Ussita MC 12 444 7383
Montemonaco AP 13 604 7987
Visso MC 13 1107 9094
Preci PG 13 724 9818
Montefortino FM 17 1178 10996
Accumoli RI 17 667 11663
Bolognola MC 17 142 11805
Acquasanta Terme AP 20 2916 14721
Cascia PG 20 3217 17938

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km E of Foligno (57155 inhabitants)
47 Km W of Teramo (54892 inhabitants)
54 Km NE of Terni (111501 inhabitants)
57 Km NW of L'Aquila (69753 inhabitants)
72 Km E of Perugia (166134 inhabitants)
86 Km W of Montesilvano (53738 inhabitants)
90 Km SW of Ancona (100861 inhabitants)
94 Km W of Pescara (121014 inhabitants)
97 Km NW of Chieti (51815 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
Md 0.8 2022-04-25
20:30:49
42.8413 13.1913 13 2022-04-25
20:37:05
Sala Sismica INGV-Roma 103778081
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-04-25 20:30:49 ± 0.09
Latitude 42.8413 ± 0.0036
Longitude 13.1913 ± 0.0074
Depth (km) 13 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 103778081

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 435
Semi-minor axis of confidence ellipse (meter) 409
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 295
Circular confidence region, given by single value of horizontal uncertainty (meter) 430.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 145
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 16
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) 0.26260
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 8
Magnitude information

Md:0.8

Field Value
Value 0.8
Uncertainty 0.2
Num. used stations 5
Type of magnitude Md
Reference to an origin 103778081
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-04-25 20:37:05
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LPEL.HHZ. 2022-04-25T20:31:11.92 3.0 positive manual P -0.71 0
IV.CAMP.HHZ. 2022-04-25T20:31:02.51 3.0 undecidable manual S 0
IV.LNSS.HHE. 2022-04-25T20:31:00.00 0.6 undecidable manual S 205 29.1486 97 0.2 46
IV.CAMP.HHZ. 2022-04-25T20:30:59.70 3.0 undecidable manual P 0
IV.FDMO.HHZ. 2022-04-25T20:30:58.01 0.3 undecidable manual S 339 23.2545 101 -0.22 70
IV.LNSS.HHE. 2022-04-25T20:30:55.28 0.1 undecidable manual P 205 29.1486 97 -0.18 93
IV.MMO1.EHZ. 2022-04-25T20:30:55.53 0.6 undecidable manual S 60 12.7761 122 -0.07 49
7F.SIB3.EHE. 2022-04-25T20:30:54.28 0.6 undecidable manual S 60 7.3815 142 -0.26 48
IV.NRCA.HHZ. 2022-04-25T20:30:54.09 0.6 undecidable manual S 262 6.2937 147 -0.28 48
IV.FDMO.HHZ. 2022-04-25T20:30:54.50 1.0 undecidable manual P 339 23.2545 101 -0.05 24
IV.MC2.EHZ. 2022-04-25T20:30:54.82 0.6 undecidable manual S 359 7.7811 141 0.22 47
7F.SIB2.EHE. 2022-04-25T20:30:54.88 0.6 undecidable manual S 59 10.6782 129 -0.27 47
7F.SIB1.EHE. 2022-04-25T20:30:54.88 0.6 undecidable manual S 47 8.6802 137 0.12 49
IV.MMO1.EHZ. 2022-04-25T20:30:53.12 0.6 positive manual P 60 12.7761 122 0.08 49
7F.SIB1.EHE. 2022-04-25T20:30:52.78 0.1 undecidable manual P 47 8.6802 137 0.23 95
7F.SIB3.EHE. 2022-04-25T20:30:52.42 0.1 undecidable manual P 60 7.3815 142 0 100
IV.NRCA.HHZ. 2022-04-25T20:30:52.34 0.1 undecidable manual P 262 6.2937 147 0.02 99
IV.MC2.EHZ. 2022-04-25T20:30:52.70 0.6 positive manual P 359 7.7811 141 0.25 47
7F.SIB2.EHE. 2022-04-25T20:30:52.78 0.1 undecidable manual P 59 10.6782 129 0.01 99
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