Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 04-09-2022 and time 01:01:42 (Italy) in region Adriatico Centrale (MARE)

A magnitude ML 2.1 earthquake occured in region: Adriatico Centrale (MARE), on

  • 03-09-2022 23:01:42 (UTC)
  • 04-09-2022 01:01:42 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.5880, 16.0380 at 9 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

Municipalities within 20 km from the epicenter

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

No Italian municipalities within 100 km from the epicenter with at least 50000 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
Bulletin
Rev1000 		ML 2.1 2022-09-03
23:01:42		 42.5877 16.0383 9 2024-03-01
15:27:54		 Bollettino Sismico Italiano INGV 109933601
Reviewed
Rev100 		ML 2.3 2022-09-03
23:01:40		 42.7587 16.0905 36 2022-09-03
23:27:04		 Sala Sismica INGV-Roma 109307341
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-09-03 23:01:42 ± 0.31
Latitude 42.5877 ± 0.0162
Longitude 16.0383 ± 0.0330
Depth (km) 9 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 109933601

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2850
Semi-minor axis of confidence ellipse (meter) 1680
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 289
Circular confidence region, given by single value of horizontal uncertainty (meter) 2850.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 167
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.10976
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 109307341
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-09-03 23:27:04

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 109933601
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-03-29 16:33:34
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MCRV.HHZ. 2022-09-03T23:02:14.69 3.0 undecidable manual P -0.06 0
OT.OT12.EHZ. 2022-09-03T23:02:13.51 0.6 undecidable manual S 186 106.6155 50 -0.58 45
OT.OT04.EHZ. 2022-09-03T23:02:13.76 0.6 undecidable manual S 202 103.4187 50 0.52 46
OT.OT03.EHZ. 2022-09-03T23:02:13.73 0.6 undecidable manual S 198 102.2199 50 0.8 41
IV.APRC.HHZ. 2022-09-03T23:02:13.58 0.6 undecidable manual S 204 100.7214 50 1.06 37
OT.OT14.EHN. 2022-09-03T23:02:07.04 0.6 undecidable manual S 188 77.367 50 0.74 45
OT.OT13.EHE. 2022-09-03T23:02:07.04 0.6 undecidable manual S 172 79.2651 50 0.24 52
IV.MELA.HNN. 2022-09-03T23:02:04.11 0.3 undecidable manual P 218 123.1878 50 0.75 60
IV.TREM.HNZ. 2022-09-03T23:02:03.53 0.6 undecidable manual S 220 67.2771 50 -0.08 54
OT.OT06.EHZ. 2022-09-03T23:02:00.44 0.3 undecidable manual P 200 106.5156 50 -0.35 72
OT.OT05.EHZ. 2022-09-03T23:02:00.72 0.3 undecidable manual P 199 109.113 50 -0.45 70
OT.OT12.EHZ. 2022-09-03T23:02:00.67 0.1 undecidable manual P 186 106.6155 50 -0.12 100
OT.OT07.EHZ. 2022-09-03T23:02:00.85 0.1 undecidable manual P 194 110.4006 50 -0.52 91
OT.OT04.EHZ. 2022-09-03T23:01:59.85 0.1 undecidable manual P 202 103.4187 50 -0.45 94
OT.OT03.EHZ. 2022-09-03T23:01:59.84 0.3 undecidable manual P 198 102.2199 50 -0.28 73
IV.APRC.HHZ. 2022-09-03T23:01:59.75 0.3 undecidable manual P 204 100.7214 50 -0.14 76
OT.OT13.EHE. 2022-09-03T23:01:57.25 0.3 undecidable manual P 172 79.2651 50 0.67 68
CR.HVAR.HHE. 2022-09-03T23:01:56.53 0.6 undecidable manual P 27 73.4709 50 0.85 43
OT.OT14.EHN. 2022-09-03T23:01:55.70 0.1 undecidable manual P 188 77.367 50 -0.59 94
IV.TREM.HNZ. 2022-09-03T23:01:54.84 0.3 undecidable manual P 220 67.2771 50 0.1 81
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.APRC.HNE. ML:2.4 0.0002461295 0.2944 AML other m 2022-09-03T23:02:16.26
IV.APRC.HHE. ML:2.4 0.00023895054999999998 0.4608 AML other m 2022-09-03T23:02:16.26
OT.OT12.EHN. ML:2.1 0.0001192704 0.3584 AML other m 2022-09-03T23:02:16.61
OT.OT05.EHN. ML:2.2 0.000137086985 0.6528 AML other m 2022-09-03T23:02:16.83
IV.APRC.HHN. ML:2.2 0.0001653783 0.2944 AML other m 2022-09-03T23:02:17.15
OT.OT12.EHE. ML:2.0 0.000090526655 0.32 AML other m 2022-09-03T23:02:18.14
IV.MCRV.HHE. ML:1.9 0.000020195285000000002 0.4992 AML other m 2022-09-03T23:02:50.61
IV.MCRV.HHN. ML:1.8 0.000016343179999999998 0.32 AML other m 2022-09-03T23:02:50.91
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
Waveforms Seismic signals in miniseed + resp format Download