Bulgaria – Earthquakes

Q: What is the latest recorded earthquake in Bulgaria?

The newest entry in our database for Bulgaria is dated 2026-09-18 12:09:05 UTC.

Q: What was the strongest recorded earthquake in Bulgaria?

The strongest recorded event in our database for Bulgaria reached magnitude M4.0.

Q: How many earthquakes are recorded for Bulgaria?

QuakeMap24 currently contains 166 recorded earthquakes for Bulgaria (all-time, based on our database).

Q: What are typical average magnitude and depth in Bulgaria?

Across all recorded events in Bulgaria, the average magnitude is M2.15 and the average depth is 14 km.

Q: Why do some events show city/state/village and others only a place name?

Locality labels depend on the available source data. Some providers deliver precise administrative levels; others provide a broader place description.

Q: How can I explore more than the last 30 events?

Use the country history page for Bulgaria to explore earthquake activity with filters.

Q: How often is this page updated?

The content is generated from the QuakeMap24 database and refreshes as new events are ingested. Timestamps are shown in UTC for consistency.

Live map, statistics and recent events

Open history map Latest in this country

Quakes this month

Latest UTC: 2026-09-18 12:09:05

Strongest

M4.0

Gorsko Slivovo

Country rank

#44

91 quakes in 2026 · out of 44 countries

Averages

M2.15 · 14 km

Avg this month: M1.91

Seismic profile

Analysis period20 Sep 2025 – 20 Sep 2026Data as of: 20 Sep 2026 · 15:00 UTC

Minimum magnitude

What the data show

Bulgaria · M ≥ 2.0

After source reconciliation, the catalogue contains 67 event entries of M2.0 or above for this area and period, spread over 54 days.

Catalogue entries6720 Sep 2025 – 20 Sep 2026

Strongest recorded earthquakeM3.6Dve Mogili ↗

Depth · median10.0 km67 events with valid depth

Last 30 days6Previous 30 days: 10

These figures describe the stored catalogue. Recording, magnitude types and geographic attribution may vary by source and period; completeness has not been established.

20 Sep 2025 – 20 Sep 2026

Earthquakes by month

M ≥ 2.0

Each bar counts events within the selected period. Hatched months are only partially included.

Sep2025

Oct2025

Nov2025

Dec2025

Jan2026

Feb2026

Mar2026

Apr2026

May2026

Jun2026

Jul2026

Aug2026

Sep2026

View data table

Month	Analysis period	Catalogue entries
September 2025 · Partial month	20 Sep 2025 – 30 Sep 2025	2
October 2025	01 Oct 2025 – 31 Oct 2025	4
November 2025	01 Nov 2025 – 30 Nov 2025	11
December 2025	01 Dec 2025 – 31 Dec 2025	3
January 2026	01 Jan 2026 – 31 Jan 2026	9
February 2026	01 Feb 2026 – 28 Feb 2026	5
March 2026	01 Mar 2026 – 31 Mar 2026	1
April 2026	01 Apr 2026 – 30 Apr 2026	0
May 2026	01 May 2026 – 31 May 2026	4
June 2026	01 Jun 2026 – 30 Jun 2026	3
July 2026	01 Jul 2026 – 31 Jul 2026	13
August 2026	01 Aug 2026 – 31 Aug 2026	8
September 2026 · Partial month	01 Sep 2026 – 20 Sep 2026	4

How strong were the earthquakes?

Catalogue entries · 67

M 2.0 – < 3.059

M 3.0 – < 4.08

M 4.0 – < 5.00

M 5.0 – < 6.00

M ≥ 6.00

At what depth did they occur?

67 events with valid depth

0 – < 30 km60

30 – < 70 km2

70 – < 300 km5

300 – 750 km0

0 events without valid depth are excluded here.

Depth · median

Half of the available values lie on either side of the median; ties are possible.

Current period in context

Last 30 days6

Previous 30 days10

Median of the eleven previous 30-day periods5

Same magnitude threshold, separate periods. Differences may also reflect changes in recording. No hazard level or forecast is inferred.

Where were earthquakes recorded?

Area selection: stored country code. Events without country attribution and events outside this country are excluded, even if felt there.

The interactive map complements the event links on this page.

Marker size and colour indicate magnitude.

Strongest recorded earthquake

20 Sep 2025 – 20 Sep 2026 · M ≥ 2.0

M3.6

Dve Mogili

11 Aug 2026 · 17:21 UTC

Depth: 133.3 km · NOA

View event ↗

M3.6

Blagoevgrad

17 Nov 2025 · 14:48 UTC

Depth: 5.0 km · EMSC

View event ↗

M3.4

Gorno Aleksandrovo

21 Jan 2026 · 18:41 UTC

Depth: 14.0 km · ISC

View event ↗

Data and methodology

Analysis period: 20 Sep 2025 15:00 – 20 Sep 2026 15:00 UTC

Data and methodology

Reports are first reconciled using existing event associations. Additional reports from different sources are consolidated only when every pair is within 5 seconds, 10 km and 0.5 magnitude units, source groups do not overlap and exactly one group matches. Ambiguous cases remain separate. The preferred report determines magnitude, time and area; period and magnitude filters are applied afterwards. The start is included and the end excluded (UTC).

5 additional source reports were consolidated during source reconciliation.

Area selection: stored country code. Events without country attribution and events outside this country are excluded, even if felt there.

These figures describe the stored catalogue. Recording, magnitude types and geographic attribution may vary by source and period; completeness has not been established.

Source reports used

The preferred report of each group is counted. Source priority follows the earthquake list. Different magnitude types and recording gaps limit comparability.

NOA27
SERBIA_RSZ20
EMSC18
ISC1
AFAD1

The profile is recalculated hourly from the earthquake catalogue. Later source revisions may also change historical values.

Data as of: 20 Sep 2026 · 15:33 UTC

Overview – Bulgaria

The latest recorded earthquake in Bulgaria was on 2026-09-18 at 12:09 UTC in Pazardzhik with magnitude M2.0.

In the current month, 11 earthquakes were recorded in Bulgaria with an average magnitude of 1.91.

Most earthquakes in 2026 occurred in Blagoevgrad (22), followed by Blagoevgrad (9).

The strongest recorded earthquake in Bulgaria reached magnitude M4.0 on 2025-09-18.

In 2026, 8% of events were M≥3 and 0% were M≥5.

All-time events

166

Strongest

M4.0

Latest (UTC)

2026-09-18 12:09:05 UTC

Map – Bulgaria

Markers show the latest 30 earthquakes in Bulgaria.

Strongest – Bulgaria

Open event

M4.0 Gorsko Slivovo

Time (UTC) 2026-08-24 07:10:13 UTC

Coordinates 43.239, 26.967

Source emsc

BULGARIA

Top regions – Bulgaria

Regions are derived from the most specific available location fields (e.g. state, then city).

Blagoevgrad

Events: 22
Blagoevgrad

Events: 22
Burgas

Events: 18
Pazardzhik

Events: 5
Smolyan

Events: 5

FAQ – Bulgaria

What is the latest recorded earthquake in Bulgaria?

The newest entry in our database for Bulgaria is dated 2026-09-18 12:09:05 UTC.

What was the strongest recorded earthquake in Bulgaria?

The strongest recorded event in our database for Bulgaria reached magnitude M4.0.

How many earthquakes are recorded for Bulgaria?

QuakeMap24 currently contains 166 recorded earthquakes for Bulgaria (all-time, based on our database).

What are typical average magnitude and depth in Bulgaria?

Across all recorded events in Bulgaria, the average magnitude is M2.15 and the average depth is 14 km.

Why do some events show city/state/village and others only a place name?

Locality labels depend on the available source data. Some providers deliver precise administrative levels; others provide a broader place description.

How can I explore more than the last 30 events?

Use the country history page for Bulgaria to explore earthquake activity with filters.

How often is this page updated?

The content is generated from the QuakeMap24 database and refreshes as new events are ingested. Timestamps are shown in UTC for consistency.

Regions · Bulgaria

Significant historical earthquakes – Bulgaria

with casualties or damage

1928 Chirpan M6.8 127 deaths
1901 Balchik M7.2 4 deaths tsunami
1901 Balchik, Kavarna, Blatnitsa, Limanu M6.4 4 deaths
1986 Veliko Turnovo-Turgovishte M5.6 3 deaths 5 M USD
1904 Struma M7.8
1904 Struma M7.5
1928 Popovitsa M7.0
1913 Tirnovo M6.8

Country history – Bulgaria

Explore earthquake history with filters (magnitude, depth, date range).

Open history map