Earthquake with magnitude of ML 0.4 on date 31-08-2022 and time 01:08:19 (UTC) in region 6 km SW Caldarola (MC)

A magnitude ML 0.4 earthquake occured in region: 6 km SW Caldarola (MC), on

  • 31-08-2022 01:08:19 (UTC)
  • 31-08-2022 03:08:19 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.1090, 13.1610 at 14 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
Caldarola MC 6 1823 1823
Pievebovigliana MC 8 866 2689
Serrapetrona MC 8 966 3655
Cessapalombo MC 8 512 4167
Fiastra MC 8 559 4726
Camerino MC 8 6974 11700
Acquacanina MC 9 121 11821
Belforte del Chienti MC 9 1886 13707
Camporotondo di Fiastrone MC 9 563 14270
Muccia MC 10 915 15185
Fiordimonte MC 10 202 15387
Pieve Torina MC 11 1458 16845
San Ginesio MC 13 3498 20343
San Severino Marche MC 14 12726 33069
Bolognola MC 14 142 33211
Castelraimondo MC 14 4587 37798
Sarnano MC 14 3264 41062
Tolentino MC 15 20069 61131
Gualdo MC 15 815 61946
Pioraco MC 16 1134 63080
Gagliole MC 16 620 63700
Colmurano MC 17 1263 64963
Ripe San Ginesio MC 17 852 65815
Serravalle di Chienti MC 17 1070 66885
Sefro MC 18 422 67307
Monte Cavallo MC 18 145 67452
Ussita MC 18 444 67896
Sant'Angelo in Pontano MC 19 1436 69332

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km E of Foligno (57155 inhabitants)
63 Km E of Perugia (166134 inhabitants)
64 Km SW of Ancona (100861 inhabitants)
67 Km NW of Teramo (54892 inhabitants)
74 Km NE of Terni (111501 inhabitants)
83 Km S of Fano (60888 inhabitants)
86 Km N of L'Aquila (69753 inhabitants)
91 Km S of Pesaro (94582 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 0.4 2022-08-31
01:08:19
43.1092 13.1608 14 2022-08-31
02:42:06
Sala Sismica INGV-Roma 109161941
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-08-31 01:08:19 ± 0.04
Latitude 43.1092 ± 0.0009
Longitude 13.1608 ± 0.0025
Depth (km) 14 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 109161941

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 200
Semi-minor axis of confidence ellipse (meter) 54
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 297
Circular confidence region, given by single value of horizontal uncertainty (meter) 200.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 211
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.02
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.26710
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 4
Magnitude information

ML:0.4

Field Value
Value 0.4
Uncertainty 0.4
Num. used stations 4
Type of magnitude ML
Reference to an origin 109161941
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-08-31 02:42:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ZOVE.EHZ. 2022-08-31T01:09:30.64 3.0 undecidable manual Sn 0.23 0
IV.SPS2.HHZ. 2022-08-31T01:09:14.48 3.0 positive manual Pn 1.05 0
IV.ZOVE.EHZ. 2022-08-31T01:09:02.46 3.0 negative manual Pg 6.64 0
IV.CPGN.EHZ. 2022-08-31T01:08:32.65 3.0 undecidable manual P -0.46 0
IV.CING.HHZ. 2022-08-31T01:08:30.18 0.6 undecidable manual S 5 29.6481 100 0.03 64
IV.CESI.HHZ. 2022-08-31T01:08:28.61 0.6 undecidable manual S 241 23.754 105 0 65
IV.MML1.EHZ. 2022-08-31T01:08:26.48 0.6 undecidable manual S 272 15.2736 119 -0.03 66
IV.FDMO.HHZ. 2022-08-31T01:08:25.38 0.6 undecidable manual S 216 9.9789 135 0 67
IV.CING.HHZ. 2022-08-31T01:08:25.70 0.6 positive manual P 5 29.6481 100 -0.04 64
IV.CESI.HHZ. 2022-08-31T01:08:24.86 0.6 negative manual P 241 23.754 105 0.01 65
IV.MML1.EHZ. 2022-08-31T01:08:23.69 1.0 positive manual P 272 15.2736 119 0.06 33
IV.FDMO.HHZ. 2022-08-31T01:08:22.97 0.3 undecidable manual P 216 9.9789 135 -0.01 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:0.0 0.000012139999999999999 0.68 AML other m 2022-08-31T01:08:25.72
IV.FDMO.HHN. ML:0.2 0.000014249999999999999 0.8 AML other m 2022-08-31T01:08:25.64
IV.MML1.EHE. ML:0.6 0.0000281 0.22 AML other m 2022-08-31T01:08:26.65
IV.MML1.EHN. ML:0.8 0.00005555 0.24 AML other m 2022-08-31T01:08:26.66
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